Message ID | 20161021115235.21381-1-jh80.chung@samsung.com |
---|---|
State | Accepted |
Commit | 2a1bedaa03a27b3d4a94f9e251f269814ed72e3e |
Delegated to: | Jaehoon Chung |
Headers | show |
On 10/21/2016 08:52 PM, Jaehoon Chung wrote: > To prevent the wrong value check the SD version. > > Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com> Applied on u-boot-mmc. Thanks! Best Regards, Jaehoon Chung > --- > drivers/mmc/sdhci.c | 8 +++++--- > 1 file changed, 5 insertions(+), 3 deletions(-) > > diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c > index 10ff57e..766e9ee 100644 > --- a/drivers/mmc/sdhci.c > +++ b/drivers/mmc/sdhci.c > @@ -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; > } >
diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c index 10ff57e..766e9ee 100644 --- a/drivers/mmc/sdhci.c +++ b/drivers/mmc/sdhci.c @@ -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; }
To prevent the wrong value check the SD version. Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com> --- drivers/mmc/sdhci.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-)