[PATCH 1/3] ARM: EXYNOS: Invalidate L2 cache with SMC command before enabling

[Tomasz Figa]

Signed-off-by: Tomasz Figa <t.figa@xxxxxxxxxxx>
---
 arch/arm/mach-exynos/firmware.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm/mach-exynos/firmware.c b/arch/arm/mach-exynos/firmware.c
index d8544537..a688757 100644
--- a/arch/arm/mach-exynos/firmware.c
+++ b/arch/arm/mach-exynos/firmware.c
@@ -110,6 +110,8 @@ static void exynos_l2_write_sec(unsigned long val, void __iomem *base,
 {
 	switch (reg) {
 	case L2X0_CTRL:
+		if (val & L2X0_CTRL_EN)
+			exynos_smc(SMC_CMD_L2X0INVALL, 0, 0, 0);
 		exynos_smc(SMC_CMD_L2X0CTRL, val, 0, 0);
 		break;
 
-- 
1.9.3


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