samples: nrf54l: remove direct RAM retention management

RAM retention is now managed within sys_poweroff() call. Signed-off-by: Nikodem Kastelik <[email protected]>
nrfconnect · Dec 4, 2024 · 6022463 · 6022463
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commit 6022463
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diff --git a/samples/bluetooth/peripheral_power_profiling/src/main.c b/samples/bluetooth/peripheral_power_profiling/src/main.c
@@ -27,9 +27,6 @@
 #include <nfc/ndef/le_oob_rec.h>
 
 #include <helpers/nrfx_reset_reason.h>
-#ifdef CONFIG_SOC_NRF54L15_CPUAPP
-#include <hal/nrf_memconf.h>
-#endif
 
 #include "pwr_service.h"
 
@@ -682,14 +679,6 @@ static void system_off(void)
 		}
 	}
 
-#ifdef CONFIG_SOC_NRF54L15_CPUAPP
-	/* Disable RAM retention in System OFF as it is not utilized by this sample. */
-	uint32_t ram_sections = 8;
-
-	nrf_memconf_ramblock_ret_mask_enable_set(NRF_MEMCONF, 0, BIT_MASK(ram_sections), false);
-	nrf_memconf_ramblock_ret2_mask_enable_set(NRF_MEMCONF, 0, BIT_MASK(ram_sections), false);
-#endif
-
 	sys_poweroff();
 #endif /* !IS_ENABLED(CONFIG_SOC_SERIES_NRF54HX) */
 }

diff --git a/samples/nfc/system_off/src/main.c b/samples/nfc/system_off/src/main.c
@@ -20,9 +20,6 @@
 #include <nfc/ndef/text_rec.h>
 
 #include <dk_buttons_and_leds.h>
-#ifdef CONFIG_SOC_NRF54L15_CPUAPP
-#include <hal/nrf_memconf.h>
-#endif
 
 #define SYSTEM_OFF_DELAY_S	3
 
@@ -150,14 +147,6 @@ static void system_off(struct k_work *work)
 		}
 	}
 
-#ifdef CONFIG_SOC_NRF54L15_CPUAPP
-	/* Disable RAM retention in System OFF as it is not utilized by this sample. */
-	uint32_t ram_sections = 8;
-
-	nrf_memconf_ramblock_ret_mask_enable_set(NRF_MEMCONF, 0, BIT_MASK(ram_sections), false);
-	nrf_memconf_ramblock_ret2_mask_enable_set(NRF_MEMCONF, 0, BIT_MASK(ram_sections), false);
-#endif
-
 	sys_poweroff();
 }