diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mmc/host/sdhci-s3c.c | 34 |
1 files changed, 1 insertions, 33 deletions
diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c index 7c065a70f92b..d328fcf284d1 100644 --- 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, }; |