76 files changed, 95 insertions, 92 deletions

diff --git a/docs/feature_led_matrix.md b/docs/feature_led_matrix.md
index afa11e723..7d7971bbe 100644
--- a/docs/feature_led_matrix.md
+++ b/docs/feature_led_matrix.md
@@ -52,7 +52,7 @@ Here is an example using 2 drivers.
 Define these arrays listing all the LEDs in your `<keyboard>.c`:
 
 ```c
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
 /* Refer to IS31 manual for these locations
  *    driver
  *    |  LED address
diff --git a/docs/feature_rgb_matrix.md b/docs/feature_rgb_matrix.md
index 18e38955e..670d7e09b 100644
--- a/docs/feature_rgb_matrix.md
+++ b/docs/feature_rgb_matrix.md
@@ -52,7 +52,7 @@ Here is an example using 2 drivers.
 Define these arrays listing all the LEDs in your `<keyboard>.c`:
 
 ```c
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
 /* Refer to IS31 manual for these locations
  *   driver
  *   |  R location
@@ -122,7 +122,7 @@ Currently only 4 drivers are supported, but it would be trivial to support all 8
 Define these arrays listing all the LEDs in your `<keyboard>.c`:
 
 ```c
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
 /* Refer to IS31 manual for these locations
  *   driver
  *   |  R location
@@ -186,7 +186,7 @@ Currently only 2 drivers are supported, but it would be trivial to support all 4
 Define these arrays listing all the LEDs in your `<keyboard>.c`:
 
 ```c
-const is31_led PROGMEM g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
 /* Refer to IS31 manual for these locations
  *   driver
  *   |  R location
@@ -287,7 +287,7 @@ Here is an example using 2 drivers.
 Define these arrays listing all the LEDs in your `<keyboard>.c`:
 
 ```c
-const aw_led g_aw_leds[DRIVER_LED_TOTAL] = {
+const aw_led __flash g_aw_leds[DRIVER_LED_TOTAL] = {
 /* Each AW20216 channel is controlled by a register at some offset between 0x00
  * and 0xD7 inclusive.
  * See drivers/awinic/aw20216.h for the mapping between register offsets and
diff --git a/docs/ja/feature_led_matrix.md b/docs/ja/feature_led_matrix.md
index f132d716f..6511b2824 100644
--- a/docs/ja/feature_led_matrix.md
+++ b/docs/ja/feature_led_matrix.md
@@ -52,7 +52,7 @@ I2C IS31FL3731 RGB コントローラを使ったアドレス指定可能な LED
 
 `<keyboard>.c` に全ての LED を列挙する配列を定義します:
 
-    const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+    const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
     /* これらの位置については IS31 マニュアルを参照してください
     *   driver
     *   |  LED address
diff --git a/drivers/led/aw20216.h b/drivers/led/aw20216.h
index c55d9605f..97ac6dc5b 100644
--- a/drivers/led/aw20216.h
+++ b/drivers/led/aw20216.h
@@ -18,6 +18,7 @@
 
 #include <stdint.h>
 #include <stdbool.h>
+#include "progmem.h"
 #include "gpio.h"
 
 typedef struct aw_led {
@@ -27,7 +28,7 @@ typedef struct aw_led {
     uint8_t b;
 } aw_led;
 
-extern const aw_led g_aw_leds[DRIVER_LED_TOTAL];
+extern const aw_led __flash g_aw_leds[DRIVER_LED_TOTAL];
 
 void AW20216_init(pin_t cs_pin, pin_t en_pin);
 void AW20216_set_color(int index, uint8_t red, uint8_t green, uint8_t blue);
diff --git a/drivers/led/issi/is31fl3731-simple.h b/drivers/led/issi/is31fl3731-simple.h
index 9665d6ed3..ecde31eed 100644
--- a/drivers/led/issi/is31fl3731-simple.h
+++ b/drivers/led/issi/is31fl3731-simple.h
@@ -20,13 +20,14 @@
 
 #include <stdint.h>
 #include <stdbool.h>
+#include "progmem.h"
 
 typedef struct is31_led {
     uint8_t driver : 2;
     uint8_t v;
 } __attribute__((packed)) is31_led;
 
-extern const is31_led g_is31_leds[DRIVER_LED_TOTAL];
+extern const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL];
 
 void IS31FL3731_init(uint8_t addr);
 void IS31FL3731_write_register(uint8_t addr, uint8_t reg, uint8_t data);
diff --git a/drivers/led/issi/is31fl3731.h b/drivers/led/issi/is31fl3731.h
index 19e8e6251..803ea3ea1 100644
--- a/drivers/led/issi/is31fl3731.h
+++ b/drivers/led/issi/is31fl3731.h
@@ -19,6 +19,7 @@
 
 #include <stdint.h>
 #include <stdbool.h>
+#include "progmem.h"
 
 typedef struct is31_led {
     uint8_t driver : 2;
@@ -27,7 +28,7 @@ typedef struct is31_led {
     uint8_t b;
 } __attribute__((packed)) is31_led;
 
-extern const is31_led g_is31_leds[DRIVER_LED_TOTAL];
+extern const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL];
 
 void IS31FL3731_init(uint8_t addr);
 void IS31FL3731_write_register(uint8_t addr, uint8_t reg, uint8_t data);
diff --git a/drivers/led/issi/is31fl3733.h b/drivers/led/issi/is31fl3733.h
index 603d505a1..64fd38eb1 100644
--- a/drivers/led/issi/is31fl3733.h
+++ b/drivers/led/issi/is31fl3733.h
@@ -20,6 +20,7 @@
 
 #include <stdint.h>
 #include <stdbool.h>
+#include "progmem.h"
 
 typedef struct is31_led {
     uint8_t driver : 2;
@@ -28,7 +29,7 @@ typedef struct is31_led {
     uint8_t b;
 } __attribute__((packed)) is31_led;
 
-extern const is31_led g_is31_leds[DRIVER_LED_TOTAL];
+extern const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL];
 
 void IS31FL3733_init(uint8_t addr, uint8_t sync);
 bool IS31FL3733_write_register(uint8_t addr, uint8_t reg, uint8_t data);
diff --git a/drivers/led/issi/is31fl3736.h b/drivers/led/issi/is31fl3736.h
index e48e31c27..c956c87f7 100644
--- a/drivers/led/issi/is31fl3736.h
+++ b/drivers/led/issi/is31fl3736.h
@@ -18,6 +18,7 @@
 
 #include <stdint.h>
 #include <stdbool.h>
+#include "progmem.h"
 
 // Simple interface option.
 // If these aren't defined, just define them to make it compile
@@ -37,7 +38,7 @@ typedef struct is31_led {
     uint8_t b;
 } __attribute__((packed)) is31_led;
 
-extern const is31_led g_is31_leds[DRIVER_LED_TOTAL];
+extern const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL];
 
 void IS31FL3736_init(uint8_t addr);
 void IS31FL3736_write_register(uint8_t addr, uint8_t reg, uint8_t data);
diff --git a/drivers/led/issi/is31fl3737.c b/drivers/led/issi/is31fl3737.c
index 30906b484..0bb4ddd42 100644
--- a/drivers/led/issi/is31fl3737.c
+++ b/drivers/led/issi/is31fl3737.c
@@ -19,7 +19,6 @@
 #include "is31fl3737.h"
 #include "i2c_master.h"
 #include "wait.h"
-#include "progmem.h"
 
 // This is a 7-bit address, that gets left-shifted and bit 0
 // set to 0 for write, 1 for read (as per I2C protocol)
@@ -155,9 +154,7 @@ void IS31FL3737_init(uint8_t addr) {
 
 void IS31FL3737_set_color(int index, uint8_t red, uint8_t green, uint8_t blue) {
     if (index >= 0 && index < DRIVER_LED_TOTAL) {
-        // copy the led config from progmem to SRAM
-        is31_led led;
-        memcpy_P(&led, (&g_is31_leds[index]), sizeof(led));
+        is31_led led = g_is31_leds[index];
 
         g_pwm_buffer[led.driver][led.r]          = red;
         g_pwm_buffer[led.driver][led.g]          = green;
@@ -173,9 +170,7 @@ void IS31FL3737_set_color_all(uint8_t red, uint8_t green, uint8_t blue) {
 }
 
 void IS31FL3737_set_led_control_register(uint8_t index, bool red, bool green, bool blue) {
-    // copy the led config from progmem to SRAM
-    is31_led led;
-    memcpy_P(&led, (&g_is31_leds[index]), sizeof(led));
+    is31_led led = g_is31_leds[index];
 
     uint8_t control_register_r = led.r / 8;
     uint8_t control_register_g = led.g / 8;
diff --git a/drivers/led/issi/is31fl3737.h b/drivers/led/issi/is31fl3737.h
index a1d228177..06886e9c9 100644
--- a/drivers/led/issi/is31fl3737.h
+++ b/drivers/led/issi/is31fl3737.h
@@ -20,6 +20,7 @@
 
 #include <stdint.h>
 #include <stdbool.h>
+#include "progmem.h"
 
 typedef struct is31_led {
     uint8_t driver : 2;
@@ -28,7 +29,7 @@ typedef struct is31_led {
     uint8_t b;
 } __attribute__((packed)) is31_led;
 
-extern const is31_led g_is31_leds[DRIVER_LED_TOTAL];
+extern const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL];
 
 void IS31FL3737_init(uint8_t addr);
 void IS31FL3737_write_register(uint8_t addr, uint8_t reg, uint8_t data);
diff --git a/drivers/led/issi/is31fl3741.h b/drivers/led/issi/is31fl3741.h
index 2df0c5b1a..cea6761ca 100644
--- a/drivers/led/issi/is31fl3741.h
+++ b/drivers/led/issi/is31fl3741.h
@@ -21,6 +21,7 @@
 
 #include <stdint.h>
 #include <stdbool.h>
+#include "progmem.h"
 
 typedef struct is31_led {
     uint32_t driver : 2;
@@ -29,7 +30,7 @@ typedef struct is31_led {
     uint32_t b : 10;
 } __attribute__((packed)) is31_led;
 
-extern const is31_led g_is31_leds[DRIVER_LED_TOTAL];
+extern const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL];
 
 void IS31FL3741_init(uint8_t addr);
 void IS31FL3741_write_register(uint8_t addr, uint8_t reg, uint8_t data);
diff --git a/keyboards/clueboard/66_hotswap/gen1/gen1.c b/keyboards/clueboard/66_hotswap/gen1/gen1.c
index 339bd78d5..8e3db70d0 100644
--- a/keyboards/clueboard/66_hotswap/gen1/gen1.c
+++ b/keyboards/clueboard/66_hotswap/gen1/gen1.c
@@ -16,7 +16,7 @@
 #include "gen1.h"
 
 #ifdef LED_MATRIX_ENABLE
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
 /* Refer to IS31 manual for these locations
  *    driver
  *    |  LED address
diff --git a/keyboards/dp60/dp60.c b/keyboards/dp60/dp60.c
index 475084b04..87543b2a1 100644
--- a/keyboards/dp60/dp60.c
+++ b/keyboards/dp60/dp60.c
@@ -17,7 +17,7 @@
 #include "dp60.h"
 
 #ifdef RGB_MATRIX_ENABLE
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
 /* Refer to IS31 manual for these locations
  *   driver
  *   |  R location
diff --git a/keyboards/durgod/dgk6x/galaxy/galaxy.c b/keyboards/durgod/dgk6x/galaxy/galaxy.c
index d101533b1..5f793ed85 100644
--- a/keyboards/durgod/dgk6x/galaxy/galaxy.c
+++ b/keyboards/durgod/dgk6x/galaxy/galaxy.c
@@ -18,7 +18,7 @@
 
 #ifdef RGB_MATRIX_ENABLE
 
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
 /* Refer to IS31 manual for these locations
  *   driver
  *   |  R location
diff --git a/keyboards/durgod/dgk6x/hades/hades.c b/keyboards/durgod/dgk6x/hades/hades.c
index 21b272291..3e235683f 100644
--- a/keyboards/durgod/dgk6x/hades/hades.c
+++ b/keyboards/durgod/dgk6x/hades/hades.c
@@ -19,7 +19,7 @@
 #ifdef RGB_MATRIX_ENABLE
 
 
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
 /* Refer to IS31 manual for these locations
  *   driver
  *   |  R location
diff --git a/keyboards/durgod/dgk6x/venus/venus.c b/keyboards/durgod/dgk6x/venus/venus.c
index 2d49b34da..3398acb19 100644
--- a/keyboards/durgod/dgk6x/venus/venus.c
+++ b/keyboards/durgod/dgk6x/venus/venus.c
@@ -18,7 +18,7 @@
 
 #ifdef RGB_MATRIX_ENABLE
 
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
 /* Refer to IS31 manual for these locations
  *   driver
  *   |  R location
diff --git a/keyboards/dztech/dz60rgb/dz60rgb.c b/keyboards/dztech/dz60rgb/dz60rgb.c
index aa02fb902..a7fc3dbc5 100644
--- a/keyboards/dztech/dz60rgb/dz60rgb.c
+++ b/keyboards/dztech/dz60rgb/dz60rgb.c
@@ -1,7 +1,7 @@
 #include "dz60rgb.h"
 
 #ifdef RGB_MATRIX_ENABLE
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
     { 0, K_14, J_14, L_14 },
     { 0, K_13, J_13, L_13 },
     { 0, K_12, J_12, L_12 },
diff --git a/keyboards/dztech/dz60rgb_ansi/dz60rgb_ansi.c b/keyboards/dztech/dz60rgb_ansi/dz60rgb_ansi.c
index 4bb5938b6..ab2441091 100644
--- a/keyboards/dztech/dz60rgb_ansi/dz60rgb_ansi.c
+++ b/keyboards/dztech/dz60rgb_ansi/dz60rgb_ansi.c
@@ -1,7 +1,7 @@
 #include "dz60rgb_ansi.h"
 
 #ifdef RGB_MATRIX_ENABLE
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
     { 0, K_14, J_14, L_14 },
     { 0, K_13, J_13, L_13 },
     { 0, K_12, J_12, L_12 },
diff --git a/keyboards/dztech/dz60rgb_wkl/dz60rgb_wkl.c b/keyboards/dztech/dz60rgb_wkl/dz60rgb_wkl.c
index b57560bac..455624471 100644
--- a/keyboards/dztech/dz60rgb_wkl/dz60rgb_wkl.c
+++ b/keyboards/dztech/dz60rgb_wkl/dz60rgb_wkl.c
@@ -1,7 +1,7 @@
 #include "dz60rgb_wkl.h"
 
 #ifdef RGB_MATRIX_ENABLE
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
     { 0, H_15, G_15, I_15 },
     { 0, K_14, J_14, L_14 },
     { 0, K_13, J_13, L_13 },
diff --git a/keyboards/dztech/dz65rgb/v1/v1.c b/keyboards/dztech/dz65rgb/v1/v1.c
index 8a3f0e27b..aabe41c31 100644
--- a/keyboards/dztech/dz65rgb/v1/v1.c
+++ b/keyboards/dztech/dz65rgb/v1/v1.c
@@ -16,7 +16,7 @@
 #include "v1.h"
 
 #ifdef RGB_MATRIX_ENABLE
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
     { 0, C8_8,  C7_8,  C6_8 },
     { 0, C9_8,  C7_7,  C6_7 },
     { 0, C9_7,  C8_7,  C6_6 },
diff --git a/keyboards/dztech/dz65rgb/v2/v2.c b/keyboards/dztech/dz65rgb/v2/v2.c
index 788709d98..dce167c73 100644
--- a/keyboards/dztech/dz65rgb/v2/v2.c
+++ b/keyboards/dztech/dz65rgb/v2/v2.c
@@ -16,7 +16,7 @@
 #include "v2.h"
 
 #ifdef RGB_MATRIX_ENABLE
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
     { 0, C8_8,  C7_8,  C6_8 },
     { 0, C9_8,  C7_7,  C6_7 },
     { 0, C9_7,  C8_7,  C6_6 },
diff --git a/keyboards/dztech/dz65rgb/v3/v3.c b/keyboards/dztech/dz65rgb/v3/v3.c
index dec75814c..c3719bfa5 100755
--- a/keyboards/dztech/dz65rgb/v3/v3.c
+++ b/keyboards/dztech/dz65rgb/v3/v3.c
@@ -18,7 +18,7 @@
 
 #ifdef RGB_MATRIX_ENABLE
 
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
     {0, CS21_SW1, CS20_SW1, CS19_SW1},
     {0, CS21_SW2, CS20_SW2, CS19_SW2},
     {0, CS21_SW3, CS20_SW3, CS19_SW3}, 
diff --git a/keyboards/ergodox_ez/ergodox_ez.c b/keyboards/ergodox_ez/ergodox_ez.c
index 47dd1b0cc..7af76cb62 100644
--- a/keyboards/ergodox_ez/ergodox_ez.c
+++ b/keyboards/ergodox_ez/ergodox_ez.c
@@ -243,7 +243,7 @@ const keypos_t PROGMEM hand_swap_config[MATRIX_ROWS][MATRIX_COLS] = {
 
 #ifdef RGB_MATRIX_ENABLE
 // clang-format off
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
 /*   driver
  *   |  R location
  *   |  |      G location
diff --git a/keyboards/ergodox_infinity/ergodox_infinity.c b/keyboards/ergodox_infinity/ergodox_infinity.c
index 76cbca07f..90aa52242 100644
--- a/keyboards/ergodox_infinity/ergodox_infinity.c
+++ b/keyboards/ergodox_infinity/ergodox_infinity.c
@@ -191,7 +191,7 @@ const keypos_t PROGMEM hand_swap_config[MATRIX_ROWS][MATRIX_COLS] = {
 #endif
 
 #ifdef LED_MATRIX_ENABLE
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
 // The numbers in the comments are the led numbers DXX on the PCB
 /* Refer to IS31 manual for these locations
  *  driver
diff --git a/keyboards/exclusive/e6_rgb/e6_rgb.c b/keyboards/exclusive/e6_rgb/e6_rgb.c
index 0e248a202..e0d313f83 100644
--- a/keyboards/exclusive/e6_rgb/e6_rgb.c
+++ b/keyboards/exclusive/e6_rgb/e6_rgb.c
@@ -11,7 +11,7 @@ void matrix_init_kb(void) {
   matrix_init_user();
 }
 
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
 /* Refer to IS31 manual for these locations
  *   driver
  *   |  R location
diff --git a/keyboards/fallacy/indicators.c b/keyboards/fallacy/indicators.c
index 08c500064..dcf1b4de0 100755
--- a/keyboards/fallacy/indicators.c
+++ b/keyboards/fallacy/indicators.c
@@ -54,7 +54,7 @@ void set_fallacy_led(int index, bool state) {
 
 /* define LED matrix
  */
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
     {0, C1_1},
     {0, C2_1},
     {0, C3_1},
diff --git a/keyboards/geekboards/tester/tester.c b/keyboards/geekboards/tester/tester.c
index 4fab1a701..0c5c056cc 100644
--- a/keyboards/geekboards/tester/tester.c
+++ b/keyboards/geekboards/tester/tester.c
@@ -1,5 +1,5 @@
 #include "tester.h"
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
 /* Refer to IS31 manual for these locations
  *   driver
  *   |  R location
diff --git a/keyboards/hs60/v1/v1.c b/keyboards/hs60/v1/v1.c
index 70c1c2128..58b19b640 100644
--- a/keyboards/hs60/v1/v1.c
+++ b/keyboards/hs60/v1/v1.c
@@ -91,7 +91,7 @@ void raw_hid_receive( uint8_t *data, uint8_t length )
 
 #ifdef HS60_ANSI
 
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
 /* Refer to IS31 manual for these locations
  *   driver
  *   |  R location
@@ -199,7 +199,7 @@ led_config_t g_led_config = { {
 
 #else
 
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
 /* Refer to IS31 manual for these locations
  *   driver
  *   |  R location
diff --git a/keyboards/inett_studio/sqx/hotswap/hotswap.c b/keyboards/inett_studio/sqx/hotswap/hotswap.c
index be8985c87..5b3c8df82 100644
--- a/keyboards/inett_studio/sqx/hotswap/hotswap.c
+++ b/keyboards/inett_studio/sqx/hotswap/hotswap.c
@@ -20,7 +20,7 @@
 #include "hotswap.h"
 
 #ifdef RGB_MATRIX_ENABLE
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
 /* Refer to IS31 manual for these locations
  *   driver
  *   |  R location
diff --git a/keyboards/inett_studio/sqx/universal/universal.c b/keyboards/inett_studio/sqx/universal/universal.c
index 42d99330d..dd431a7f4 100644
--- a/keyboards/inett_studio/sqx/universal/universal.c
+++ b/keyboards/inett_studio/sqx/universal/universal.c
@@ -20,7 +20,7 @@
 #include "universal.h"
 
 #ifdef RGB_MATRIX_ENABLE
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
 /* Refer to IS31 manual for these locations
  *   driver
  *   |  R location
diff --git a/keyboards/k_type/is31fl3733-dual.h b/keyboards/k_type/is31fl3733-dual.h
index 272bcdc41..aab170a3f 100644
--- a/keyboards/k_type/is31fl3733-dual.h
+++ b/keyboards/k_type/is31fl3733-dual.h
@@ -28,7 +28,7 @@ typedef struct is31_led {
     uint8_t b;
 } __attribute__((packed)) is31_led;
 
-extern const is31_led g_is31_leds[DRIVER_LED_TOTAL];
+extern const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL];
 
 void IS31FL3733_init(uint8_t bus, uint8_t addr, uint8_t sync);
 bool IS31FL3733_write_register(uint8_t index, uint8_t addr, uint8_t reg, uint8_t data);
diff --git a/keyboards/k_type/k_type.c b/keyboards/k_type/k_type.c
index 61c588145..924862277 100644
--- a/keyboards/k_type/k_type.c
+++ b/keyboards/k_type/k_type.c
@@ -23,7 +23,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include "is31fl3733-dual.h"
 
 
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
     { 0, B_1,  A_1,  C_1  },
     { 0, B_2,  A_2,  C_2  },
     { 0, B_3,  A_3,  C_3  },
diff --git a/keyboards/kbdfans/bella/rgb/rgb.c b/keyboards/kbdfans/bella/rgb/rgb.c
index e197d9b53..17cf99214 100644
--- a/keyboards/kbdfans/bella/rgb/rgb.c
+++ b/keyboards/kbdfans/bella/rgb/rgb.c
@@ -15,7 +15,7 @@
  */
 #include "rgb.h"
 #ifdef RGB_MATRIX_ENABLE
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
     {0, CS18_SW1, CS17_SW1, CS16_SW1},    /* RGB6 */
     {0, CS18_SW3, CS17_SW3, CS16_SW3},    /* RGB32 */
     {0, CS18_SW4, CS17_SW4, CS16_SW4},    /* RGB45 */
diff --git a/keyboards/kbdfans/bella/rgb_iso/rgb_iso.c b/keyboards/kbdfans/bella/rgb_iso/rgb_iso.c
index 1a853ac8a..0c431b154 100644
--- a/keyboards/kbdfans/bella/rgb_iso/rgb_iso.c
+++ b/keyboards/kbdfans/bella/rgb_iso/rgb_iso.c
@@ -15,7 +15,7 @@
  */
 #include "rgb_iso.h"
 #ifdef RGB_MATRIX_ENABLE
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
     {0, CS18_SW1, CS17_SW1, CS16_SW1},    /* RGB6 */
     {0, CS18_SW3, CS17_SW3, CS16_SW3},    /* RGB32 */
     {0, CS18_SW4, CS17_SW4, CS16_SW4},    /* RGB45 */
diff --git a/keyboards/kbdfans/kbd67/mkiirgb/mkiirgb.c b/keyboards/kbdfans/kbd67/mkiirgb/mkiirgb.c
index 323cb2384..2826c0898 100644
--- a/keyboards/kbdfans/kbd67/mkiirgb/mkiirgb.c
+++ b/keyboards/kbdfans/kbd67/mkiirgb/mkiirgb.c
@@ -1,6 +1,6 @@
 #include "mkiirgb.h"
 #ifdef RGB_MATRIX_ENABLE
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
         
         {0, C8_8,  C7_8, C6_8},   // LA17
         {0, C9_8,  C7_7, C6_7},   // LA16
diff --git a/keyboards/kbdfans/kbdmini/kbdmini.c b/keyboards/kbdfans/kbdmini/kbdmini.c
index 0e0df2f9a..799803c6f 100644
--- a/keyboards/kbdfans/kbdmini/kbdmini.c
+++ b/keyboards/kbdfans/kbdmini/kbdmini.c
@@ -1,6 +1,6 @@
 #include "kbdmini.h"
 
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
     { 0, B_9,  A_9,  C_9  }, //LA33
     { 0, B_10, A_10, C_10 }, //LA37
     { 0, B_11, A_11, C_11 }, //LA41
diff --git a/keyboards/kbdfans/maja/maja.c b/keyboards/kbdfans/maja/maja.c
index a0afcbda8..9619a84b4 100755
--- a/keyboards/kbdfans/maja/maja.c
+++ b/keyboards/kbdfans/maja/maja.c
@@ -1,6 +1,6 @@
 #include "maja.h"
 
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
         {0, C2_1,  C3_1,  C4_1},  // LA0
     {0, C1_1,  C3_2, C4_2},   // LA1
     {0, C1_2,  C2_2, C4_3},   // LA2
diff --git a/keyboards/keychron/q1/q1.c b/keyboards/keychron/q1/q1.c
index 520e6e4c5..6beb96e7e 100644
--- a/keyboards/keychron/q1/q1.c
+++ b/keyboards/keychron/q1/q1.c
@@ -33,7 +33,7 @@ bool dip_switch_update_kb(uint8_t index, bool active) {
     return true;
 }
 
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
 /* Refer to IS31 manual for these locations
  *   driver
  *   |  R location
diff --git a/keyboards/latin17rgb/latin17rgb.c b/keyboards/latin17rgb/latin17rgb.c
index 8d9eaae8a..f7bbe125c 100644
--- a/keyboards/latin17rgb/latin17rgb.c
+++ b/keyboards/latin17rgb/latin17rgb.c
@@ -17,7 +17,7 @@
 
 #ifdef RGB_MATRIX_ENABLE
 
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
 /* Refer to IS31 manual for these locations
  *   driver
  *   |  R location
diff --git a/keyboards/latin60rgb/latin60rgb.c b/keyboards/latin60rgb/latin60rgb.c
index cdd6fed44..fe5d2eea8 100644
--- a/keyboards/latin60rgb/latin60rgb.c
+++ b/keyboards/latin60rgb/latin60rgb.c
@@ -16,7 +16,7 @@
 #include "latin60rgb.h"
 
 #ifdef RGB_MATRIX_ENABLE
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
     { 0, K_13, J_13, L_13 },
     { 0, K_12, J_12, L_12 },
     { 0, K_11, J_11, L_11 },
diff --git a/keyboards/latin6rgb/latin6rgb.c b/keyboards/latin6rgb/latin6rgb.c
index 76b39c86b..9ea4721ec 100644
--- a/keyboards/latin6rgb/latin6rgb.c
+++ b/keyboards/latin6rgb/latin6rgb.c
@@ -17,7 +17,7 @@
 
 #ifdef RGB_MATRIX_ENABLE
 
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
 /* Refer to IS31 manual for these locations
  *   driver
  *   |  R location
diff --git a/keyboards/matrix/m20add/rgb_ring.c b/keyboards/matrix/m20add/rgb_ring.c
index fa70dea7e..3a8af7cd3 100644
--- a/keyboards/matrix/m20add/rgb_ring.c
+++ b/keyboards/matrix/m20add/rgb_ring.c
@@ -30,7 +30,7 @@
 #endif
 // rgb ring leds setting
 
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
 /* Refer to IS31 manual for these locations
  *   driver
  *   |  R location
diff --git a/keyboards/matrix/noah/noah.c b/keyboards/matrix/noah/noah.c
index 1e2f4bb7d..6b624b9e0 100644
--- a/keyboards/matrix/noah/noah.c
+++ b/keyboards/matrix/noah/noah.c
@@ -66,7 +66,7 @@ __attribute__((weak))
 void matrix_scan_user(void) { }
 
 #ifdef RGB_MATRIX_ENABLE
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
 /* Refer to IS31 manual for these locations
  *   driver
  *   |  R location
diff --git a/keyboards/mechlovin/adelais/rgb_led/rev2/rev2.c b/keyboards/mechlovin/adelais/rgb_led/rev2/rev2.c
index 5087174b9..fe946169a 100644
--- a/keyboards/mechlovin/adelais/rgb_led/rev2/rev2.c
+++ b/keyboards/mechlovin/adelais/rgb_led/rev2/rev2.c
@@ -17,7 +17,7 @@
 #include "adelais.h"
 
 #ifdef RGB_MATRIX_ENABLE
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
 
     {0, C2_1,   C3_1,   C4_1}, //D102-A0-0
     {0, C5_1,   C6_1,   C7_1}, //D108-A1-1
diff --git a/keyboards/mechlovin/delphine/rgb_led/rgb_led.c b/keyboards/mechlovin/delphine/rgb_led/rgb_led.c
index 6f3e3ec73..29b6d1f78 100644
--- a/keyboards/mechlovin/delphine/rgb_led/rgb_led.c
+++ b/keyboards/mechlovin/delphine/rgb_led/rgb_led.c
@@ -18,7 +18,7 @@
 
 
 #ifdef RGB_MATRIX_ENABLE
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
 // left CA
     {0, C5_2,   C6_2,   C7_2}, //D2-0
     {0, C1_1,   C3_2,   C4_2}, //D20-1
diff --git a/keyboards/mechlovin/hannah60rgb/rev2/rev2.c b/keyboards/mechlovin/hannah60rgb/rev2/rev2.c
index 05469a1bb..8b30538cc 100644
--- a/keyboards/mechlovin/hannah60rgb/rev2/rev2.c
+++ b/keyboards/mechlovin/hannah60rgb/rev2/rev2.c
@@ -17,7 +17,7 @@
 #include "rev2.h"
 
 #ifdef RGB_MATRIX_ENABLE
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
 /* Refer to IS31 manual for these locations
  *   driver
  *   |  R location
diff --git a/keyboards/mechlovin/infinity87/rgb_rev1/rgb_rev1.c b/keyboards/mechlovin/infinity87/rgb_rev1/rgb_rev1.c
index f13fee8ad..bd1fd8abf 100644
--- a/keyboards/mechlovin/infinity87/rgb_rev1/rgb_rev1.c
+++ b/keyboards/mechlovin/infinity87/rgb_rev1/rgb_rev1.c
@@ -17,7 +17,7 @@
 #include "rgb_rev1.h"
 
 #ifdef RGB_MATRIX_ENABLE
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
     {0, CS34_SW1,   CS35_SW1,   CS36_SW1}, //D92-K00-0
     {0, CS37_SW1,   CS38_SW1,   CS39_SW1}, //D94-K01-1
     {0, CS31_SW1,   CS32_SW1,   CS33_SW1}, //D96-K02-2
diff --git a/keyboards/melgeek/mj61/rev1/rev1.c b/keyboards/melgeek/mj61/rev1/rev1.c
index be58f57a9..e51c57548 100644
--- a/keyboards/melgeek/mj61/rev1/rev1.c
+++ b/keyboards/melgeek/mj61/rev1/rev1.c
@@ -17,7 +17,7 @@
 #include "mj61.h"
 
 #ifdef RGB_MATRIX_ENABLE
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
     {0, CS12_SW1, CS11_SW1, CS10_SW1}, /* RGB1 */
     {0, CS12_SW2, CS11_SW2, CS10_SW2}, /* RGB2 */
     {0, CS12_SW3, CS11_SW3, CS10_SW3}, /* RGB3 */
diff --git a/keyboards/melgeek/mj61/rev2/rev2.c b/keyboards/melgeek/mj61/rev2/rev2.c
index 236b00397..3f6b1bff7 100644
--- a/keyboards/melgeek/mj61/rev2/rev2.c
+++ b/keyboards/melgeek/mj61/rev2/rev2.c
@@ -19,7 +19,7 @@
 #ifdef RGB_MATRIX_ENABLE
 
 
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
     {0, CS9_SW1,  CS8_SW1,  CS7_SW1},  /* RGB1 */
     {0, CS9_SW2,  CS8_SW2,  CS7_SW2},  /* RGB3 */
     {0, CS9_SW3,  CS8_SW3,  CS7_SW3},  /* RGB4 */
diff --git a/keyboards/melgeek/mj63/rev1/rev1.c b/keyboards/melgeek/mj63/rev1/rev1.c
index 34ff28d25..a6ee8859b 100644
--- a/keyboards/melgeek/mj63/rev1/rev1.c
+++ b/keyboards/melgeek/mj63/rev1/rev1.c
@@ -19,7 +19,7 @@
 
 #ifdef RGB_MATRIX_ENABLE
 
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
     {0,  CS9_SW1, CS8_SW1, CS7_SW1},   /* RGB1 */
     {0,  CS9_SW2, CS8_SW2, CS7_SW2},   /* RGB2 */
     {0,  CS9_SW3, CS8_SW3, CS7_SW3},   /* RGB3 */
diff --git a/keyboards/melgeek/mj63/rev2/rev2.c b/keyboards/melgeek/mj63/rev2/rev2.c
index c2379dabe..8cacc689a 100644
--- a/keyboards/melgeek/mj63/rev2/rev2.c
+++ b/keyboards/melgeek/mj63/rev2/rev2.c
@@ -19,7 +19,7 @@
 
 #ifdef RGB_MATRIX_ENABLE
 
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
     {0,  CS9_SW1, CS8_SW1, CS7_SW1},   /* RGB1 */
     {0,  CS9_SW2, CS8_SW2, CS7_SW2},   /* RGB3 */
     {0,  CS9_SW3, CS8_SW3, CS7_SW3},   /* RGB4 */
diff --git a/keyboards/melgeek/mj64/rev1/rev1.c b/keyboards/melgeek/mj64/rev1/rev1.c
index e01765b69..446ba779d 100644
--- a/keyboards/melgeek/mj64/rev1/rev1.c
+++ b/keyboards/melgeek/mj64/rev1/rev1.c
@@ -18,7 +18,7 @@
 
 #ifdef RGB_MATRIX_ENABLE
 
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
     {0, CS9_SW1,  CS8_SW1,  CS7_SW1}, /* RGB1 */
     {0, CS9_SW2,  CS8_SW2,  CS7_SW2}, /* RGB2 */
     {0, CS9_SW3,  CS8_SW3,  CS7_SW3}, /* RGB3 */
diff --git a/keyboards/melgeek/mj64/rev2/rev2.c b/keyboards/melgeek/mj64/rev2/rev2.c
index d5486b908..444e8f60a 100644
--- a/keyboards/melgeek/mj64/rev2/rev2.c
+++ b/keyboards/melgeek/mj64/rev2/rev2.c
@@ -18,7 +18,7 @@
 
 #ifdef RGB_MATRIX_ENABLE
 
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
     {0, CS9_SW1,  CS8_SW1,  CS7_SW1},  /* RGB1 */
     {0, CS9_SW2,  CS8_SW2,  CS7_SW2},  /* RGB2 */
     {0, CS9_SW3,  CS8_SW3,  CS7_SW3},  /* RGB3 */
diff --git a/keyboards/melgeek/mj64/rev3/rev3.c b/keyboards/melgeek/mj64/rev3/rev3.c
index 03ed9fe00..2a1283ec7 100644
--- a/keyboards/melgeek/mj64/rev3/rev3.c
+++ b/keyboards/melgeek/mj64/rev3/rev3.c
@@ -18,7 +18,7 @@
 
 #ifdef RGB_MATRIX_ENABLE
 
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
     {0, CS9_SW1,  CS8_SW1,  CS7_SW1},  /* RGB1 */
     {0, CS9_SW2,  CS8_SW2,  CS7_SW2},  /* RGB3 */
     {0, CS9_SW3,  CS8_SW3,  CS7_SW3},  /* RGB4 */
diff --git a/keyboards/melgeek/mj65/rev3/rev3.c b/keyboards/melgeek/mj65/rev3/rev3.c
index 43fae53a3..6335edd79 100644
--- a/keyboards/melgeek/mj65/rev3/rev3.c
+++ b/keyboards/melgeek/mj65/rev3/rev3.c
@@ -18,7 +18,7 @@
 
 #ifdef RGB_MATRIX_ENABLE
 
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
     {0, CS9_SW1,  CS8_SW1,  CS7_SW1},  /* RGB1 */
     {0, CS9_SW2,  CS8_SW2,  CS7_SW2},  /* RGB2 */
     {0, CS9_SW3,  CS8_SW3,  CS7_SW3},  /* RGB3 */
diff --git a/keyboards/melgeek/mojo75/rev1/rev1.c b/keyboards/melgeek/mojo75/rev1/rev1.c
index 670116fcd..07ae916da 100644
--- a/keyboards/melgeek/mojo75/rev1/rev1.c
+++ b/keyboards/melgeek/mojo75/rev1/rev1.c
@@ -18,7 +18,7 @@
 
 #ifdef RGB_MATRIX_ENABLE
 
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
     {0,  CS6_SW1,  CS5_SW1,  CS4_SW1}, /* RGB1 */
     {0,  CS6_SW2,  CS5_SW2,  CS4_SW2}, /* RGB2 */
     {0,  CS6_SW3,  CS5_SW3,  CS4_SW3}, /* RGB3 */
diff --git a/keyboards/melgeek/z70ultra/z70ultra.c b/keyboards/melgeek/z70ultra/z70ultra.c
index 740720681..552576cd7 100644
--- a/keyboards/melgeek/z70ultra/z70ultra.c
+++ b/keyboards/melgeek/z70ultra/z70ultra.c
@@ -18,7 +18,7 @@
 
 
 #ifdef RGB_MATRIX_ENABLE
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
     {0, CS28_SW1, CS30_SW1, CS29_SW1}, /* RGB10 */
     {0, CS28_SW2, CS30_SW2, CS29_SW2}, /* RGB11 */
     {0, CS28_SW3, CS30_SW3, CS29_SW3}, /* RGB12 */
diff --git a/keyboards/miller/gm862/gm862.c b/keyboards/miller/gm862/gm862.c
index 5af66dd39..d67104838 100644
--- a/keyboards/miller/gm862/gm862.c
+++ b/keyboards/miller/gm862/gm862.c
@@ -1,7 +1,7 @@
 #include "gm862.h"
 
 #ifdef RGB_MATRIX_ENABLE
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
     {0, B_1,    A_1,    C_1},
     {0, B_2,    A_2,    C_2},
     {0, B_3,    A_3,    C_3},
diff --git a/keyboards/moonlander/moonlander.c b/keyboards/moonlander/moonlander.c
index d66b74d97..8688b9efa 100644
--- a/keyboards/moonlander/moonlander.c
+++ b/keyboards/moonlander/moonlander.c
@@ -203,7 +203,7 @@ layer_state_t layer_state_set_kb(layer_state_t state) {
 
 #ifdef RGB_MATRIX_ENABLE
 // clang-format off
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
 /* Refer to IS31 manual for these locations
  *   driver
  *   |  R location
diff --git a/keyboards/mt64rgb/mt64rgb.c b/keyboards/mt64rgb/mt64rgb.c
index 73f0e562e..a0b8e8da7 100644
--- a/keyboards/mt64rgb/mt64rgb.c
+++ b/keyboards/mt64rgb/mt64rgb.c
@@ -16,7 +16,7 @@
 #include "mt64rgb.h"
 
 #ifdef RGB_MATRIX_ENABLE
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
  /* Refer to IS31 manual for these locations
  *   driver
  *   |  R location
diff --git a/keyboards/mt84/mt84.c b/keyboards/mt84/mt84.c
index e15a1ff95..9b00aa635 100644
--- a/keyboards/mt84/mt84.c
+++ b/keyboards/mt84/mt84.c
@@ -16,7 +16,7 @@
 #include "mt84.h"
 
 #ifdef RGB_MATRIX_ENABLE
-const is31_led PROGMEM g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
  /* Refer to IS31 manual for these locations
  *   driver
  *   |  R location
diff --git a/keyboards/opendeck/32/rev1/rev1.c b/keyboards/opendeck/32/rev1/rev1.c
index 297af907e..91f59a60b 100644
--- a/keyboards/opendeck/32/rev1/rev1.c
+++ b/keyboards/opendeck/32/rev1/rev1.c
@@ -17,7 +17,7 @@
 #include "rev1.h"
 
 #ifdef RGB_MATRIX_ENABLE
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
     /* Refer to IS31 manual for these locations
      *   driver
      *   |  R location
diff --git a/keyboards/planck/ez/ez.c b/keyboards/planck/ez/ez.c
index 5c68726a0..27cb2a1d1 100644
--- a/keyboards/planck/ez/ez.c
+++ b/keyboards/planck/ez/ez.c
@@ -21,7 +21,7 @@
 
 keyboard_config_t keyboard_config;
 #ifdef RGB_MATRIX_ENABLE
-const is31_led PROGMEM g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
 /* Refer to IS31 manual for these locations
  *   driver
  *   |  R location
diff --git a/keyboards/planck/light/light.c b/keyboards/planck/light/light.c
index 896ec4458..3a53e3998 100644
--- a/keyboards/planck/light/light.c
+++ b/keyboards/planck/light/light.c
@@ -16,7 +16,7 @@
 
 #include "light.h"
 
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
 /* Refer to IS31 manual for these locations
  *   driver
  *   |  R location
diff --git a/keyboards/terrazzo/terrazzo.c b/keyboards/terrazzo/terrazzo.c
index e6ba1f6c3..19ac6be49 100644
--- a/keyboards/terrazzo/terrazzo.c
+++ b/keyboards/terrazzo/terrazzo.c
@@ -21,7 +21,7 @@
     #include "print.h"
     #include "quantum.h"
 
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
 /* Refer to IS31 manual for these locations
  * https://cdn-learn.adafruit.com/downloads/pdf/adafruit-15x7-7x15-charlieplex-led-matrix-charliewing-featherwing.pdf
  */
diff --git a/keyboards/tkc/portico/portico.c b/keyboards/tkc/portico/portico.c
index a65a85d24..e3d3a1488 100644
--- a/keyboards/tkc/portico/portico.c
+++ b/keyboards/tkc/portico/portico.c
@@ -19,7 +19,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #ifdef RGB_MATRIX_ENABLE
 
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
     { 0, C2_1,  C3_1,  C4_1  },
     { 0, C1_1,  C3_2,  C4_2  },
     { 0, C1_2,  C2_2,  C4_3  },
diff --git a/keyboards/whitefox/whitefox.c b/keyboards/whitefox/whitefox.c
index f10f0fd5c..b17af1512 100644
--- a/keyboards/whitefox/whitefox.c
+++ b/keyboards/whitefox/whitefox.c
@@ -18,7 +18,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include "whitefox.h"
 
 #ifdef LED_MATRIX_ENABLE
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
 // The numbers in the comments are the led numbers DXX on the PCB
 /* Refer to IS31 manual for these locations
  *  driver
diff --git a/keyboards/wilba_tech/wt_rgb_backlight.c b/keyboards/wilba_tech/wt_rgb_backlight.c
index e0359daab..77613a333 100644
--- a/keyboards/wilba_tech/wt_rgb_backlight.c
+++ b/keyboards/wilba_tech/wt_rgb_backlight.c
@@ -158,7 +158,7 @@ uint32_t g_any_key_hit = 0;
 // ADDR_2 is not needed. it is here as a dummy
 #define ISSI_ADDR_1 0x50
 
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
 /* Refer to IS31 manual for these locations
  *   driver
  *   |  R location
@@ -239,7 +239,7 @@ const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
 #define ISSI_ADDR_1 0x50
 #define ISSI_ADDR_2 0x52
 
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
 /* Refer to IS31 manual for these locations
  *   driver
  *   |  R location
@@ -382,7 +382,7 @@ const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
 // set to 0 for write, 1 for read (as per I2C protocol)
 #define ISSI_ADDR_1 0x74
 
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
 /* Refer to IS31 manual for these locations
  *   driver
  *   |  R location
@@ -414,7 +414,7 @@ const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
 #define ISSI_ADDR_2 0x76  // 11101[10] <- SDA
 #define ISSI_ADDR_3 0x75  // 11101[01] <- SCL
 
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
 /* Refer to IS31 manual for these locations
  *   driver
  *   |  R location
@@ -541,7 +541,7 @@ const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
 #define ISSI_ADDR_1 0x74
 #define ISSI_ADDR_2 0x76
 
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
 /* Refer to IS31 manual for these locations
  *   driver
  *   |  R location
@@ -622,7 +622,7 @@ const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
 #define ISSI_ADDR_1 0x74
 #define ISSI_ADDR_2 0x77
 
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
 /* Refer to IS31 manual for these locations
  *   driver
  *   |   R location
@@ -709,7 +709,7 @@ const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
 #define ISSI_ADDR_1 0x74
 #define ISSI_ADDR_2
 
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
     {0, C1_9,  C3_10, C4_10}, // LB1
     {0, C1_10, C2_10, C4_11}, // LB2
     {0, C1_11, C2_11, C3_11}, // LB3
@@ -729,7 +729,7 @@ const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
 #define ISSI_ADDR_1 0x74
 #define ISSI_ADDR_2 0x76
 
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
 /* Refer to IS31 manual for these locations
  *   driver
  *   |  R location
diff --git a/keyboards/xbows/knight/knight.c b/keyboards/xbows/knight/knight.c
index 1a1aebf18..539ecb653 100644
--- a/keyboards/xbows/knight/knight.c
+++ b/keyboards/xbows/knight/knight.c
@@ -15,7 +15,7 @@
  */
  #include "knight.h"
  #ifdef RGB_MATRIX_ENABLE
- const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+ const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
 
    {0, C1_3, C2_3, C3_3},   // L01
    {0, C1_4, C2_4, C3_4},   // L02
diff --git a/keyboards/xbows/knight_plus/knight_plus.c b/keyboards/xbows/knight_plus/knight_plus.c
index f2cf5399b..c5dd1a5fd 100644
--- a/keyboards/xbows/knight_plus/knight_plus.c
+++ b/keyboards/xbows/knight_plus/knight_plus.c
@@ -15,7 +15,7 @@
  */
  #include "knight_plus.h"
  #ifdef RGB_MATRIX_ENABLE
- const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+ const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
 
   {0, C1_3, C2_3, C3_3},   // L01
   {0, C1_4, C2_4, C3_4},   // L02
diff --git a/keyboards/xbows/nature/nature.c b/keyboards/xbows/nature/nature.c
index f1b061584..b7b10d5ab 100644
--- a/keyboards/xbows/nature/nature.c
+++ b/keyboards/xbows/nature/nature.c
@@ -15,7 +15,7 @@
  */
  #include "nature.h"
  #ifdef RGB_MATRIX_ENABLE
- const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+ const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
 
         {0, C1_3, C2_3, C3_3},   // L01
         {0, C1_4, C2_4, C3_4},   // L02
diff --git a/keyboards/xbows/numpad/numpad.c b/keyboards/xbows/numpad/numpad.c
index 0ab677c76..4e05473b6 100644
--- a/keyboards/xbows/numpad/numpad.c
+++ b/keyboards/xbows/numpad/numpad.c
@@ -15,7 +15,7 @@
  */
  #include "numpad.h"
  #ifdef RGB_MATRIX_ENABLE
- const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+ const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
 
   {0, C3_3,  C2_3, C1_3},   // L01
   {0, C3_4,  C2_4, C1_4},   // L02
diff --git a/keyboards/xbows/woody/woody.c b/keyboards/xbows/woody/woody.c
index 9821f5f65..1027e3ca3 100644
--- a/keyboards/xbows/woody/woody.c
+++ b/keyboards/xbows/woody/woody.c
@@ -1,6 +1,6 @@
 #include "woody.h"
 #ifdef RGB_MATRIX_ENABLE
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
         
         {0, C8_8,  C7_8, C6_8},   // LA17
         {0, C9_8,  C7_7, C6_7},   // LA16
diff --git a/keyboards/xelus/dawn60/rev1_qmk/rev1_qmk.c b/keyboards/xelus/dawn60/rev1_qmk/rev1_qmk.c
index c305ecae1..c6ddef093 100644
--- a/keyboards/xelus/dawn60/rev1_qmk/rev1_qmk.c
+++ b/keyboards/xelus/dawn60/rev1_qmk/rev1_qmk.c
@@ -25,7 +25,7 @@
 #ifdef RGB_MATRIX_ENABLE
 LED_TYPE rgb_matrix_ws2812_array[WS2812_LED_TOTAL];
 
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
 /* Refer to IS31 manual for these locations
  *   driver
  *   |  R location
diff --git a/keyboards/xelus/pachi/rgb/rgb.c b/keyboards/xelus/pachi/rgb/rgb.c
index ea9812d6b..6f44b13e1 100644
--- a/keyboards/xelus/pachi/rgb/rgb.c
+++ b/keyboards/xelus/pachi/rgb/rgb.c
@@ -24,7 +24,7 @@ void matrix_io_delay(void) { __asm__ volatile("nop\nnop\nnop\n"); }
 #ifdef RGB_MATRIX_ENABLE
 #include <i2c_master.h>
 #include "drivers/led/issi/is31fl3741.h"
-const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
+const is31_led __flash g_is31_leds[DRIVER_LED_TOTAL] = {
 /* Refer to IS31 manual for these locations
  *   driver
  *   |  R location
diff --git a/tmk_core/common/progmem.h b/tmk_core/common/progmem.h
index 3a7a16968..a70d8e299 100644
--- a/tmk_core/common/progmem.h
+++ b/tmk_core/common/progmem.h
@@ -5,6 +5,7 @@
 #else
 #    include <string.h>
 #    define PROGMEM
+#    define __flash
 #    define PSTR(x) x
 #    define PGM_P const char*
 #    define memcpy_P(dest, src, n) memcpy(dest, src, n)