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mmc: sdhci: assign to clk_mul when host version is upper than SD3.0

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To prevent the wrong value check the SD version.

Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
This commit is contained in:
Jaehoon Chung 2016-10-21 20:52:35 +09:00
parent 288db7c7c0
commit 2a1bedaa03
1 changed files with 5 additions and 3 deletions
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8
drivers/mmc/sdhci.c
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@ -608,9 +608,11 @@ int sdhci_setup_cfg(struct mmc_config *cfg, struct sdhci_host *host,
* In case of Host Controller v3.00, find out whether clock
* multiplier is supported.
*/
caps_1 = sdhci_readl(host, SDHCI_CAPABILITIES_1);
host->clk_mul = (caps_1 & SDHCI_CLOCK_MUL_MASK) >>
SDHCI_CLOCK_MUL_SHIFT;
if (SDHCI_GET_VERSION(host) >= SDHCI_SPEC_300) {
caps_1 = sdhci_readl(host, SDHCI_CAPABILITIES_1);
host->clk_mul = (caps_1 & SDHCI_CLOCK_MUL_MASK) >>
SDHCI_CLOCK_MUL_SHIFT;
}
return 0;
}