clk: samsung: exynos7: Don't gate CMU_{CCORE, FSYS0} blocks clock
authorAlim Akhtar <alim.akhtar@samsung.com>
Thu, 14 Apr 2016 04:42:52 +0000 (10:12 +0530)
committerSylwester Nawrocki <s.nawrocki@samsung.com>
Thu, 2 Jun 2016 09:17:56 +0000 (11:17 +0200)
This patch adds CLK_IS_CRITICAL flag to ACLK_CCORE_133 and ACLK_FSYS0_200
clocks. These clocks are critical for accessing CMU_CCORE and CMU_FSYS0
blocks registers. Let these clocks to be enabled all the time.

Signed-off-by: Alim Akhtar <alim.akhtar@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
drivers/clk/samsung/clk-exynos7.c

index ad68d46..03a82da 100644 (file)
@@ -146,7 +146,7 @@ static struct samsung_pll_rate_table pll1460x_24mhz_tbl[] __initdata = {
 
 static struct samsung_gate_clock topc_gate_clks[] __initdata = {
        GATE(ACLK_CCORE_133, "aclk_ccore_133", "dout_aclk_ccore_133",
-               ENABLE_ACLK_TOPC0, 4, 0, 0),
+               ENABLE_ACLK_TOPC0, 4, CLK_IS_CRITICAL, 0),
 
        GATE(ACLK_MSCL_532, "aclk_mscl_532", "dout_aclk_mscl_532",
                ENABLE_ACLK_TOPC1, 20, 0, 0),
@@ -539,7 +539,8 @@ static struct samsung_gate_clock top1_gate_clks[] __initdata = {
                ENABLE_SCLK_TOP1_FSYS11, 12, CLK_SET_RATE_PARENT, 0),
 
        GATE(CLK_ACLK_FSYS0_200, "aclk_fsys0_200", "dout_aclk_fsys0_200",
-               ENABLE_ACLK_TOP13, 28, CLK_SET_RATE_PARENT, 0),
+               ENABLE_ACLK_TOP13, 28, CLK_SET_RATE_PARENT |
+               CLK_IS_CRITICAL, 0),
        GATE(CLK_ACLK_FSYS1_200, "aclk_fsys1_200", "dout_aclk_fsys1_200",
                ENABLE_ACLK_TOP13, 24, CLK_SET_RATE_PARENT, 0),