]> git.ipfire.org Git - thirdparty/linux.git/commitdiff
clk: qcom: gcc-sm8550: Use floor ops for SDCC RCGs
authorVladimir Zapolskiy <vladimir.zapolskiy@linaro.org>
Mon, 24 Nov 2025 21:20:11 +0000 (23:20 +0200)
committerBjorn Andersson <andersson@kernel.org>
Sat, 3 Jan 2026 18:33:34 +0000 (12:33 -0600)
In line with commit a27ac3806b0a ("clk: qcom: gcc-sm8450: Use floor ops
for SDCC RCGs") done to fix issues with overclocked SD cards on SM8450
powered boards set floor clock operations for SDCC RCGs on SM8550.

This change fixes initialization of some SD cards, where the problem
is manifested by the SDHC driver:

    mmc0: Card appears overclocked; req 50000000 Hz, actual 100000000 Hz
    mmc0: error -110 whilst initialising SD card

Fixes: 955f2ea3b9e9 ("clk: qcom: Add GCC driver for SM8550")
Signed-off-by: Vladimir Zapolskiy <vladimir.zapolskiy@linaro.org>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Taniya Das <taniya.das@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20251124212012.3660189-2-vladimir.zapolskiy@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
drivers/clk/qcom/gcc-sm8550.c

index 862a9bf73bcb5d66df0983200b61479364a62227..36a5b7de5b55d2f1f69a7de87891ca9a12b50974 100644 (file)
@@ -1025,7 +1025,7 @@ static struct clk_rcg2 gcc_sdcc2_apps_clk_src = {
                .parent_data = gcc_parent_data_9,
                .num_parents = ARRAY_SIZE(gcc_parent_data_9),
                .flags = CLK_SET_RATE_PARENT,
-               .ops = &clk_rcg2_shared_ops,
+               .ops = &clk_rcg2_shared_floor_ops,
        },
 };
 
@@ -1048,7 +1048,7 @@ static struct clk_rcg2 gcc_sdcc4_apps_clk_src = {
                .parent_data = gcc_parent_data_0,
                .num_parents = ARRAY_SIZE(gcc_parent_data_0),
                .flags = CLK_SET_RATE_PARENT,
-               .ops = &clk_rcg2_shared_ops,
+               .ops = &clk_rcg2_shared_floor_ops,
        },
 };