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authorMichał Mirosław <mirq-linux@rere.qmqm.pl>2017-08-14 22:00:26 +0200
committerUlf Hansson <ulf.hansson@linaro.org>2017-08-30 15:03:35 +0200
commit5b7f5eafb491d5e0a1be375688de266879dc5dc5 (patch)
tree1e7513341543d38efba1168ab0aa09aca4d8f6dd /drivers/mmc/host
parentadc1639863e6bb9e47015c5668bcdb3fa29d3608 (diff)
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>
Diffstat (limited to 'drivers/mmc/host')
-rw-r--r--drivers/mmc/host/sdhci-s3c.c34
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,
};