memory: atmel-sdramc: Fix missing clk_disable_unprepare in atmel_ramc_probe()

[ Upstream commit 340cb392a038cf70540a4cdf2e98a247c66b6df4 ]

The clk_disable_unprepare() should be called in the error handling
of caps->has_mpddr_clk, fix it by replacing devm_clk_get and
clk_prepare_enable by devm_clk_get_enabled.

Fixes: e81b6abebc87 ("memory: add a driver for atmel ram controllers")
Signed-off-by: Gaosheng Cui <cuigaosheng1@huawei.com>
Link: https://lore.kernel.org/r/20221125073757.3535219-1-cuigaosheng1@huawei.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/memory/atmel-sdramc.c b/drivers/memory/atmel-sdramc.c
index 9c49d00..ea6e9e1 100644 (file)
--- a/drivers/memory/atmel-sdramc.c
+++ b/drivers/memory/atmel-sdramc.c
@@ -47,19 +47,17 @@ static int atmel_ramc_probe(struct platform_device *pdev)
        caps = of_device_get_match_data(&pdev->dev);
 
        if (caps->has_ddrck) {
-               clk = devm_clk_get(&pdev->dev, "ddrck");
+               clk = devm_clk_get_enabled(&pdev->dev, "ddrck");
                if (IS_ERR(clk))
                        return PTR_ERR(clk);
-               clk_prepare_enable(clk);
        }
 
        if (caps->has_mpddr_clk) {
-               clk = devm_clk_get(&pdev->dev, "mpddr");
+               clk = devm_clk_get_enabled(&pdev->dev, "mpddr");
                if (IS_ERR(clk)) {
                        pr_err("AT91 RAMC: couldn't get mpddr clock\n");
                        return PTR_ERR(clk);
                }
-               clk_prepare_enable(clk);
        }
 
        return 0;