firmware: get rid of unused "xxx_sleep()" storage driver function

commit 04c45933e87cca8ec6d67cbc22a008e8f12e3569
Author: Aidan MacDonald <[email protected]>
Date:   Tue Jan 13 14:44:26 2026 +0000

    firmware: get rid of unused "xxx_sleep()" storage driver function
    
    storage_sleepnow() is the one that is actually implemented
    by storage drivers. storage_sleep() sends a Q_STORAGE_SLEEP
    event to the storage thread, which will normally end up
    calling the driver's sleepnow() function.
    
    Change-Id: Ib6523073348431dcc75c0f10ef99060c6960efd8

diff --git a/firmware/drivers/ramdisk.c b/firmware/drivers/ramdisk.c
index 5798de252e..edcf5cba4e 100644
--- a/firmware/drivers/ramdisk.c
+++ b/firmware/drivers/ramdisk.c
@@ -74,10 +74,6 @@ long ramdisk_last_disk_activity(void)
     return last_disk_activity;
 }
 
-void ramdisk_sleep(void)
-{
-}
-
 void ramdisk_spin(void)
 {
 }
diff --git a/firmware/drivers/sd.c b/firmware/drivers/sd.c
index 521bdfbdd0..2a6373b56c 100644
--- a/firmware/drivers/sd.c
+++ b/firmware/drivers/sd.c
@@ -23,10 +23,6 @@
 #include "sdmmc.h"
 #include "storage.h"
 
-void sd_sleep(void)
-{
-}
-
 void sd_spin(void)
 {
 }
diff --git a/firmware/export/ata.h b/firmware/export/ata.h
index cef5dce613..0ab504c7e3 100644
--- a/firmware/export/ata.h
+++ b/firmware/export/ata.h
@@ -132,7 +132,6 @@ struct storage_info;
 
 void ata_enable(bool on);
 void ata_spindown(int seconds);
-void ata_sleep(void);
 void ata_sleepnow(void);
 /* NOTE: DO NOT use this to poll for disk activity.
          If you are waiting for the disk to become active before
diff --git a/firmware/export/mmc.h b/firmware/export/mmc.h
index 06df979b81..1d5e3393e5 100644
--- a/firmware/export/mmc.h
+++ b/firmware/export/mmc.h
@@ -30,7 +30,6 @@ struct storage_info;
 
 void mmc_enable(bool on);
 void mmc_spindown(int seconds);
-void mmc_sleep(void);
 void mmc_sleepnow(void);
 bool mmc_disk_is_active(void);
 int mmc_soft_reset(void);
diff --git a/firmware/export/nand.h b/firmware/export/nand.h
index d4fd6028ed..6f9f504c44 100644
--- a/firmware/export/nand.h
+++ b/firmware/export/nand.h
@@ -30,7 +30,6 @@ struct storage_info;
 
 void nand_enable(bool on);
 void nand_spindown(int seconds);
-void nand_sleep(void);
 void nand_sleepnow(void);
 bool nand_disk_is_active(void);
 int  nand_soft_reset(void);
diff --git a/firmware/export/ramdisk.h b/firmware/export/ramdisk.h
index eb06ea9650..8e3baf8e3e 100644
--- a/firmware/export/ramdisk.h
+++ b/firmware/export/ramdisk.h
@@ -30,7 +30,6 @@ struct storage_info;
 
 void ramdisk_enable(bool on);
 void ramdisk_spindown(int seconds);
-void ramdisk_sleep(void);
 bool ramdisk_disk_is_active(void);
 int ramdisk_soft_reset(void);
 int ramdisk_init(void) STORAGE_INIT_ATTR;
diff --git a/firmware/export/sd.h b/firmware/export/sd.h
index d66e6f899c..01ad760f86 100644
--- a/firmware/export/sd.h
+++ b/firmware/export/sd.h
@@ -36,7 +36,6 @@ struct storage_info;
 
 void sd_enable(bool on);
 void sd_spindown(int seconds);
-void sd_sleep(void);
 void sd_sleepnow(void);
 bool sd_disk_is_active(void);
 int  sd_soft_reset(void);
diff --git a/firmware/target/arm/ata-nand-telechips.c b/firmware/target/arm/ata-nand-telechips.c
index 453a51ed1b..49fbedff76 100644
--- a/firmware/target/arm/ata-nand-telechips.c
+++ b/firmware/target/arm/ata-nand-telechips.c
@@ -1010,10 +1010,6 @@ long nand_last_disk_activity(void)
     return last_disk_activity;
 }
 
-void nand_sleep(void)
-{
-}
-
 void nand_spin(void)
 {
 }
diff --git a/firmware/target/arm/imx233/sdmmc-imx233.c b/firmware/target/arm/imx233/sdmmc-imx233.c
index 02f59a50f4..65f253de1e 100644
--- a/firmware/target/arm/imx233/sdmmc-imx233.c
+++ b/firmware/target/arm/imx233/sdmmc-imx233.c
@@ -1000,10 +1000,6 @@ void mmc_enable(bool on)
     (void) on;
 }
 
-void mmc_sleepnow(void)
-{
-}
-
 bool mmc_disk_is_active(void)
 {
     return false;
diff --git a/firmware/target/arm/rk27xx/ata-nand-rk27xx.c b/firmware/target/arm/rk27xx/ata-nand-rk27xx.c
index 74b468a851..5cbc67f837 100644
--- a/firmware/target/arm/rk27xx/ata-nand-rk27xx.c
+++ b/firmware/target/arm/rk27xx/ata-nand-rk27xx.c
@@ -56,11 +56,6 @@ void nand_spindown(int seconds)
     (void)seconds;
 }
 
-void nand_sleep(void)
-{
-    nand_power_down();
-}
-
 void nand_sleepnow(void)
 {
     nand_power_down();
diff --git a/firmware/target/arm/s5l8700/ata-nand-s5l8700.c b/firmware/target/arm/s5l8700/ata-nand-s5l8700.c
index 34a1c46043..5ca467f7f8 100644
--- a/firmware/target/arm/s5l8700/ata-nand-s5l8700.c
+++ b/firmware/target/arm/s5l8700/ata-nand-s5l8700.c
@@ -50,10 +50,6 @@ void nand_spindown(int seconds)
     (void)seconds;
 }
 
-void nand_sleep(void)
-{
-}
-
 void nand_sleepnow(void)
 {
     nand_power_down();
diff --git a/firmware/target/mips/ingenic_jz47xx/ata-nand-jz4740.c b/firmware/target/mips/ingenic_jz47xx/ata-nand-jz4740.c
index 77fd5c013b..3187c28952 100644
--- a/firmware/target/mips/ingenic_jz47xx/ata-nand-jz4740.c
+++ b/firmware/target/mips/ingenic_jz47xx/ata-nand-jz4740.c
@@ -695,11 +695,6 @@ void nand_spindown(int seconds)
     (void)seconds;
 }
 
-void nand_sleep(void)
-{
-    /* null */
-}
-
 void nand_spin(void)
 {
     /* null */
diff --git a/firmware/target/mips/ingenic_jz47xx/ata-nand-jz4760.c b/firmware/target/mips/ingenic_jz47xx/ata-nand-jz4760.c
index ff9b7e419e..9189450794 100644
--- a/firmware/target/mips/ingenic_jz47xx/ata-nand-jz4760.c
+++ b/firmware/target/mips/ingenic_jz47xx/ata-nand-jz4760.c
@@ -630,11 +630,6 @@ void nand_spindown(int seconds)
     (void)seconds;
 }
 
-void nand_sleep(void)
-{
-    /* null */
-}
-
 void nand_spin(void)
 {
     /* null */
-- 
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