Shaik,

On 06.05.2014 18:26, Shaik Ameer Basha wrote:
This patch corrects the wrong parent-child relationship
between sysmmu-mfc clocks.

Signed-off-by: Shaik Ameer Basha <[email protected]>
Reviewed-by: Alim Akhtar <[email protected]>
---
  drivers/clk/samsung/clk-exynos5420.c |   11 +++++++++--
  1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/drivers/clk/samsung/clk-exynos5420.c 
b/drivers/clk/samsung/clk-exynos5420.c
index 6d88ae2..1449aee 100644
--- a/drivers/clk/samsung/clk-exynos5420.c
+++ b/drivers/clk/samsung/clk-exynos5420.c
@@ -82,6 +82,7 @@
  #define SCLK_DIV_ISP0         0x10580
  #define SCLK_DIV_ISP1         0x10584
  #define DIV2_RATIO0           0x10590
+#define DIV4_RATIO             0x105a0
  #define GATE_BUS_TOP          0x10700
  #define GATE_BUS_GEN          0x1073c
  #define GATE_BUS_FSYS0                0x10740
@@ -176,6 +177,7 @@ static unsigned long exynos5420_clk_regs[] __initdata = {
        SCLK_DIV_ISP0,
        SCLK_DIV_ISP1,
        DIV2_RATIO0,
+       DIV4_RATIO,
        GATE_BUS_TOP,
        GATE_BUS_GEN,
        GATE_BUS_FSYS0,
@@ -626,6 +628,9 @@ static struct samsung_div_clock exynos5420_div_clks[] 
__initdata = {
        DIV(0, "dout_spi1", "mout_spi1", DIV_PERIC1, 24, 4),
        DIV(0, "dout_spi2", "mout_spi2", DIV_PERIC1, 28, 4),

+       /* Mfc Block */
+       DIV(0, "dout_mfc_blk", "mout_user_aclk333", DIV4_RATIO, 0, 2),
+
        /* PCM */
        DIV(0, "dout_pcm1", "dout_audio1", DIV_PERIC2, 16, 8),
        DIV(0, "dout_pcm2", "dout_audio2", DIV_PERIC2, 24, 8),
@@ -946,8 +951,10 @@ static struct samsung_gate_clock exynos5420_gate_clks[] 
__initdata = {
                        GATE_TOP_SCLK_ISP, 12, CLK_SET_RATE_PARENT, 0),

        GATE(CLK_MFC, "mfc", "aclk333", GATE_IP_MFC, 0, 0, 0),
-       GATE(CLK_SMMU_MFCL, "smmu_mfcl", "aclk333", GATE_IP_MFC, 1, 0, 0),
-       GATE(CLK_SMMU_MFCR, "smmu_mfcr", "aclk333", GATE_IP_MFC, 2, 0, 0),
+       GATE(CLK_SMMU_MFCL, "smmu_mfcl", "dout_mfc_blk",
+                       GATE_IP_MFC, 1, CLK_SET_RATE_PARENT, 0),
+       GATE(CLK_SMMU_MFCR, "smmu_mfcr", "dout_mfc_blk",
+                       GATE_IP_MFC, 2, CLK_SET_RATE_PARENT, 0),

As I mentioned in my comments to previous patches, I don't think this is a valid usage of the CLK_SET_RATE_PARENT flag.

Best regards,
Tomasz
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