mmc: sdhci-tegra: use generic sdhci_set_bus_width()

Now that sdhci_set_bus_width() supports 8-bit bus widths based on the
MMC_CAP_8_BIT_DATA capability flag, replace the tegra version with the
generic sdhci version.

Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Tested-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

diff --git a/drivers/mmc/host/sdhci-tegra.c b/drivers/mmc/host/sdhci-tegra.c
index f668a6f..0cd6fa8 100644 (file)
--- a/drivers/mmc/host/sdhci-tegra.c
+++ b/drivers/mmc/host/sdhci-tegra.c
@@ -190,25 +190,6 @@ static void tegra_sdhci_reset(struct sdhci_host *host, u8 mask)
        tegra_host->ddr_signaling = false;
 }
 
-static void tegra_sdhci_set_bus_width(struct sdhci_host *host, int bus_width)
-{
-       u32 ctrl;
-
-       ctrl = sdhci_readb(host, SDHCI_HOST_CONTROL);
-       if ((host->mmc->caps & MMC_CAP_8_BIT_DATA) &&
-           (bus_width == MMC_BUS_WIDTH_8)) {
-               ctrl &= ~SDHCI_CTRL_4BITBUS;
-               ctrl |= SDHCI_CTRL_8BITBUS;
-       } else {
-               ctrl &= ~SDHCI_CTRL_8BITBUS;
-               if (bus_width == MMC_BUS_WIDTH_4)
-                       ctrl |= SDHCI_CTRL_4BITBUS;
-               else
-                       ctrl &= ~SDHCI_CTRL_4BITBUS;
-       }
-       sdhci_writeb(host, ctrl, SDHCI_HOST_CONTROL);
-}
-
 static void tegra_sdhci_pad_autocalib(struct sdhci_host *host)
 {
        u32 val;
@@ -323,7 +304,7 @@ static const struct sdhci_ops tegra_sdhci_ops = {
        .read_w     = tegra_sdhci_readw,
        .write_l    = tegra_sdhci_writel,
        .set_clock  = tegra_sdhci_set_clock,
-       .set_bus_width = tegra_sdhci_set_bus_width,
+       .set_bus_width = sdhci_set_bus_width,
        .reset      = tegra_sdhci_reset,
        .platform_execute_tuning = tegra_sdhci_execute_tuning,
        .set_uhs_signaling = tegra_sdhci_set_uhs_signaling,
@@ -371,7 +352,7 @@ static const struct sdhci_ops tegra114_sdhci_ops = {
        .write_w    = tegra_sdhci_writew,
        .write_l    = tegra_sdhci_writel,
        .set_clock  = tegra_sdhci_set_clock,
-       .set_bus_width = tegra_sdhci_set_bus_width,
+       .set_bus_width = sdhci_set_bus_width,
        .reset      = tegra_sdhci_reset,
        .platform_execute_tuning = tegra_sdhci_execute_tuning,
        .set_uhs_signaling = tegra_sdhci_set_uhs_signaling,