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| author |   Sowjanya Komatineni <skomatineni@nvidia.com> | 2018-12-13 12:34:06 -0800 |
|---|---|---|
| committer |   Ulf Hansson <ulf.hansson@linaro.org> | 2018-12-17 08:31:19 +0100 |
| commit | 97207c12780d749770825f62c292c3140e57d79c (patch) | |
| tree | 2a8608d0a919ef79a6d6b043f6cbc9817c27cbe2 /drivers/mmc | |
| parent | Linux 4.20-rc7 (diff) | |
| download | linux-dev-97207c12780d749770825f62c292c3140e57d79c.tar.xz linux-dev-97207c12780d749770825f62c292c3140e57d79c.zip | |
mmc: sdhci: Fix sdhci_do_enable_v4_mode
V4_MODE is Bit-15 of SDHCI_HOST_CONTROL2 register.
Need to perform word access to this register.
Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>
Fixes: b3f80b434f72 ("mmc: sdhci: Add sd host v4 mode")
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/host/sdhci.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 451b08a818a9..df05352b6a4a 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -127,12 +127,12 @@ static void sdhci_do_enable_v4_mode(struct sdhci_host *host) { u16 ctrl2; - ctrl2 = sdhci_readb(host, SDHCI_HOST_CONTROL2); + ctrl2 = sdhci_readw(host, SDHCI_HOST_CONTROL2); if (ctrl2 & SDHCI_CTRL_V4_MODE) return; ctrl2 |= SDHCI_CTRL_V4_MODE; - sdhci_writeb(host, ctrl2, SDHCI_HOST_CONTROL); + sdhci_writew(host, ctrl2, SDHCI_HOST_CONTROL2); } /* |