MLK-17314-1 arm: imx: remove snvs pcc save/restore

On i.MX7ULP B0, SNVS is located in M4 domain, remove
snvs pcc save/restore to avoid imprecise abort after
resume:

Restarting tasks ... Unhandled fault:
imprecise external abort (0x1c06) at 0x00040000
pgd = b173c000
[00040000] *pgd=9169d835, *pte=00000000, *ppte=00000000
done.

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Reviewed-by: Bai Ping <ping.bai@nxp.com>

diff --git a/arch/arm/mach-imx/pm-imx7ulp.c b/arch/arm/mach-imx/pm-imx7ulp.c
index e5ac422..86c17cc 100644 (file)
--- a/arch/arm/mach-imx/pm-imx7ulp.c
+++ b/arch/arm/mach-imx/pm-imx7ulp.c
@@ -139,14 +139,13 @@ static void (*imx7ulp_suspend_in_ocram_fn)(void __iomem *sram_base);
 
 static u32 tpm5_regs[4];
 static u32 lpuart4_regs[4];
-static u32 pcc2_regs[25][2] = {
+static u32 pcc2_regs[24][2] = {
        {0x20, 0}, {0x3c, 0}, {0x40, 0}, {0x6c, 0},
-       {0x84, 0}, {0x8c, 0}, {0x90, 0}, {0x94, 0},
-       {0x98, 0}, {0x9c, 0}, {0xa4, 0}, {0xa8, 0},
-       {0xac, 0}, {0xb0, 0}, {0xb4, 0}, {0xb8, 0},
-       {0xc4, 0}, {0xcc, 0}, {0xd0, 0}, {0xd4, 0},
-       {0xd8, 0}, {0xdc, 0}, {0xe0, 0}, {0xf4, 0},
-       {0x10c, 0},
+       {0x84, 0}, {0x90, 0}, {0x94, 0}, {0x98, 0},
+       {0x9c, 0}, {0xa4, 0}, {0xa8, 0}, {0xac, 0},
+       {0xb0, 0}, {0xb4, 0}, {0xb8, 0}, {0xc4, 0},
+       {0xcc, 0}, {0xd0, 0}, {0xd4, 0}, {0xd8, 0},
+       {0xdc, 0}, {0xe0, 0}, {0xf4, 0}, {0x10c, 0},
 };
 
 static u32 pcc3_regs[16][2] = {
@@ -315,7 +314,7 @@ static void imx7ulp_pcc2_save(void)
 {
        int i;
 
-       for (i = 0; i < 25; i++)
+       for (i = 0; i < 24; i++)
                pcc2_regs[i][1] = readl_relaxed(pcc2_base + pcc2_regs[i][0]);
 }
 
@@ -323,7 +322,7 @@ static void imx7ulp_pcc2_restore(void)
 {
        int i;
 
-       for (i = 0; i < 25; i++)
+       for (i = 0; i < 24; i++)
                writel_relaxed(pcc2_regs[i][1], pcc2_base + pcc2_regs[i][0]);
 }