diff options
| author | Haijun Zhang <Haijun.Zhang@freescale.com> | 2013-10-23 05:01:08 (GMT) |
|---|---|---|
| committer | Jose Rivera <German.Rivera@freescale.com> | 2013-12-18 19:23:58 (GMT) |
| commit | 77e1e15aeac84a6e81acfd44afa771a8cc8cdafd (patch) | |
| tree | dea649474ef9e47e357a09280885a14480b6b81d /drivers/mmc | |
| parent | 83c51ddaf26377cb6f63ba1fcf23e91d9b382e68 (diff) | |
| download | linux-fsl-qoriq-77e1e15aeac84a6e81acfd44afa771a8cc8cdafd.tar.xz | |
esdhc: Fix clock stable bit to 1
Clock of esdhc host don't support clock disable and enbale.
So clock stable bit didn't behave as it mean. Just fix it
to '1' to avoid misreading.
Signed-off-by: Haijun Zhang <haijun.zhang@freescale.com>
Change-Id: Ib718005ca3419130a43cbf61c6351878b4eb4dbf
Reviewed-on: http://git.am.freescale.net:8181/5929
Tested-by: Review Code-CDREVIEW <CDREVIEW@freescale.com>
Reviewed-by: Xiaobo Xie <X.Xie@freescale.com>
Reviewed-by: Jose Rivera <German.Rivera@freescale.com>
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/host/sdhci-of-esdhc.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/mmc/host/sdhci-of-esdhc.c b/drivers/mmc/host/sdhci-of-esdhc.c index c5b3e60..419854f 100644 --- a/drivers/mmc/host/sdhci-of-esdhc.c +++ b/drivers/mmc/host/sdhci-of-esdhc.c @@ -50,6 +50,14 @@ static u32 esdhc_readl(struct sdhci_host *host, int reg) ret |= SDHCI_CAN_DO_ADMA2; } + /* + * Clock of eSDHC host don't support to be disabled and enabled. + * So clock stable bit doesn't behave as it mean, So fix it to + * '1' to avoid misreading. + */ + if (reg == SDHCI_PRESENT_STATE) + ret |= ESDHC_CLK_STABLE; + return ret; } |