mmc: sdhci-s3c: 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 sdhci-s3c version with
the generic sdhci version.

Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Acked-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c
index 7c065a7..d328fcf 100644 (file)
--- a/drivers/mmc/host/sdhci-s3c.c
+++ b/drivers/mmc/host/sdhci-s3c.c
@@ -414,43 +414,11 @@ static void sdhci_cmu_set_clock(struct sdhci_host *host, unsigned int clock)
        sdhci_writew(host, clk, SDHCI_CLOCK_CONTROL);
 }
 
-/**
- * sdhci_s3c_set_bus_width - support 8bit buswidth
- * @host: The SDHCI host being queried
- * @width: MMC_BUS_WIDTH_ macro for the bus width being requested
- *
- * We have 8-bit width support but is not a v3 controller.
- * So we add platform_bus_width() and support 8bit width.
- */
-static void sdhci_s3c_set_bus_width(struct sdhci_host *host, int width)
-{
-       u8 ctrl;
-
-       ctrl = sdhci_readb(host, SDHCI_HOST_CONTROL);
-
-       switch (width) {
-       case MMC_BUS_WIDTH_8:
-               ctrl |= SDHCI_CTRL_8BITBUS;
-               ctrl &= ~SDHCI_CTRL_4BITBUS;
-               break;
-       case MMC_BUS_WIDTH_4:
-               ctrl |= SDHCI_CTRL_4BITBUS;
-               ctrl &= ~SDHCI_CTRL_8BITBUS;
-               break;
-       default:
-               ctrl &= ~SDHCI_CTRL_4BITBUS;
-               ctrl &= ~SDHCI_CTRL_8BITBUS;
-               break;
-       }
-
-       sdhci_writeb(host, ctrl, SDHCI_HOST_CONTROL);
-}
-
 static struct sdhci_ops sdhci_s3c_ops = {
        .get_max_clock          = sdhci_s3c_get_max_clk,
        .set_clock              = sdhci_s3c_set_clock,
        .get_min_clock          = sdhci_s3c_get_min_clock,
-       .set_bus_width          = sdhci_s3c_set_bus_width,
+       .set_bus_width          = sdhci_set_bus_width,
        .reset                  = sdhci_reset,
        .set_uhs_signaling      = sdhci_set_uhs_signaling,
 };