clk: samsung: gs101: fix synchronous external abort in samsung_clk_save()

EARLY_WAKEUP_SW_TRIG_*_SET and EARLY_WAKEUP_SW_TRIG_*_CLEAR
registers are only writeable. Attempting to read these registers
during samsung_clk_save() causes a synchronous external abort.

Remove these 8 registers from cmu_top_clk_regs[] array so that
system suspend gets further.

Note: the code path can be exercised using the following command:
echo mem > /sys/power/state

Fixes: 2c597bb ("clk: samsung: clk-gs101: Add cmu_top, cmu_misc and cmu_apm support")
Signed-off-by: Peter Griffin <[email protected]>
Cc: [email protected]
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Krzysztof Kozlowski <[email protected]>

Author: petegriffin

drivers/clk/samsung/clk-gs101.c

@@ -382,17 +382,9 @@ static const unsigned long cmu_top_clk_regs[] __initconst = {
 	EARLY_WAKEUP_DPU_DEST,
 	EARLY_WAKEUP_CSIS_DEST,
 	EARLY_WAKEUP_SW_TRIG_APM,
-	EARLY_WAKEUP_SW_TRIG_APM_SET,
-	EARLY_WAKEUP_SW_TRIG_APM_CLEAR,
 	EARLY_WAKEUP_SW_TRIG_CLUSTER0,
-	EARLY_WAKEUP_SW_TRIG_CLUSTER0_SET,
-	EARLY_WAKEUP_SW_TRIG_CLUSTER0_CLEAR,
 	EARLY_WAKEUP_SW_TRIG_DPU,
-	EARLY_WAKEUP_SW_TRIG_DPU_SET,
-	EARLY_WAKEUP_SW_TRIG_DPU_CLEAR,
 	EARLY_WAKEUP_SW_TRIG_CSIS,
-	EARLY_WAKEUP_SW_TRIG_CSIS_SET,
-	EARLY_WAKEUP_SW_TRIG_CSIS_CLEAR,
 	CLK_CON_MUX_MUX_CLKCMU_BO_BUS,
 	CLK_CON_MUX_MUX_CLKCMU_BUS0_BUS,
 	CLK_CON_MUX_MUX_CLKCMU_BUS1_BUS,