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

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

diff --git a/drivers/mmc/host/sdhci-pci-core.c b/drivers/mmc/host/sdhci-pci-core.c
index 2c853cf..bbaddf1 100644 (file)
--- a/drivers/mmc/host/sdhci-pci-core.c
+++ b/drivers/mmc/host/sdhci-pci-core.c
@@ -35,7 +35,6 @@
 #include "sdhci-pci-o2micro.h"
 
 static int sdhci_pci_enable_dma(struct sdhci_host *host);
-static void sdhci_pci_set_bus_width(struct sdhci_host *host, int width);
 static void sdhci_pci_hw_reset(struct sdhci_host *host);
 
 #ifdef CONFIG_PM_SLEEP
@@ -562,7 +561,7 @@ static const struct sdhci_ops sdhci_intel_byt_ops = {
        .set_clock              = sdhci_set_clock,
        .set_power              = sdhci_intel_set_power,
        .enable_dma             = sdhci_pci_enable_dma,
-       .set_bus_width          = sdhci_pci_set_bus_width,
+       .set_bus_width          = sdhci_set_bus_width,
        .reset                  = sdhci_reset,
        .set_uhs_signaling      = sdhci_set_uhs_signaling,
        .hw_reset               = sdhci_pci_hw_reset,
@@ -1217,7 +1216,7 @@ static int amd_probe(struct sdhci_pci_chip *chip)
 static const struct sdhci_ops amd_sdhci_pci_ops = {
        .set_clock                      = sdhci_set_clock,
        .enable_dma                     = sdhci_pci_enable_dma,
-       .set_bus_width                  = sdhci_pci_set_bus_width,
+       .set_bus_width                  = sdhci_set_bus_width,
        .reset                          = sdhci_reset,
        .set_uhs_signaling              = sdhci_set_uhs_signaling,
        .platform_execute_tuning        = amd_execute_tuning,
@@ -1333,29 +1332,6 @@ static int sdhci_pci_enable_dma(struct sdhci_host *host)
        return 0;
 }
 
-static void sdhci_pci_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_8BITBUS | SDHCI_CTRL_4BITBUS);
-               break;
-       }
-
-       sdhci_writeb(host, ctrl, SDHCI_HOST_CONTROL);
-}
-
 static void sdhci_pci_gpio_hw_reset(struct sdhci_host *host)
 {
        struct sdhci_pci_slot *slot = sdhci_priv(host);
@@ -1382,7 +1358,7 @@ static void sdhci_pci_hw_reset(struct sdhci_host *host)
 static const struct sdhci_ops sdhci_pci_ops = {
        .set_clock      = sdhci_set_clock,
        .enable_dma     = sdhci_pci_enable_dma,
-       .set_bus_width  = sdhci_pci_set_bus_width,
+       .set_bus_width  = sdhci_set_bus_width,
        .reset          = sdhci_reset,
        .set_uhs_signaling = sdhci_set_uhs_signaling,
        .hw_reset               = sdhci_pci_hw_reset,