mmc: sdhci-s3c: fix the wrong register value, when clock is disabled
When use the QUIRK_NONSTANDARD_CLOCK, then never set to 0 at clock control register. This patch fixes this problem. Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Chris Ball <cjb@laptop.org>
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1 changed files with 5 additions and 2 deletions
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@ -296,9 +296,12 @@ static void sdhci_cmu_set_clock(struct sdhci_host *host, unsigned int clock)
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unsigned long timeout;
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unsigned long timeout;
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u16 clk = 0;
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u16 clk = 0;
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/* don't bother if the clock is going off */
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/* If the clock is going off, set to 0 at clock control register */
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if (clock == 0)
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if (clock == 0) {
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sdhci_writew(host, 0, SDHCI_CLOCK_CONTROL);
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host->clock = clock;
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return;
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return;
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}
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sdhci_s3c_set_clock(host, clock);
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sdhci_s3c_set_clock(host, clock);
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