diff options
| author | Maxime Ripard <maxime.ripard@bootlin.com> | 2018-04-16 16:23:01 +0200 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2018-05-02 15:08:41 +0200 |
| commit | 3f6c808e524700cb4f45123f9390ff83289c31e5 (patch) | |
| tree | 6edfed664da73fb63a2cb1ede19e3492bda3ba3e /drivers/mmc | |
| parent | 0fc4c61fff02bea1a82caf05884fefc0ceb14c5f (diff) | |
| download | op-kernel-dev-3f6c808e524700cb4f45123f9390ff83289c31e5.zip op-kernel-dev-3f6c808e524700cb4f45123f9390ff83289c31e5.tar.gz | |
mmc: sunxi: Move bus width configuration to a function
In order to improve readibility and reusability, let's move the bus width
setup to a small function called by our .set_ios hook.
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/host/sunxi-mmc.c | 29 |
1 files changed, 17 insertions, 12 deletions
diff --git a/drivers/mmc/host/sunxi-mmc.c b/drivers/mmc/host/sunxi-mmc.c index 9fdaea3..c0bb75e 100644 --- a/drivers/mmc/host/sunxi-mmc.c +++ b/drivers/mmc/host/sunxi-mmc.c @@ -855,6 +855,22 @@ static int sunxi_mmc_clk_set_rate(struct sunxi_mmc_host *host, return 0; } +static void sunxi_mmc_set_bus_width(struct sunxi_mmc_host *host, + unsigned char width) +{ + switch (width) { + case MMC_BUS_WIDTH_1: + mmc_writel(host, REG_WIDTH, SDXC_WIDTH1); + break; + case MMC_BUS_WIDTH_4: + mmc_writel(host, REG_WIDTH, SDXC_WIDTH4); + break; + case MMC_BUS_WIDTH_8: + mmc_writel(host, REG_WIDTH, SDXC_WIDTH8); + break; + } +} + static void sunxi_mmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) { struct sunxi_mmc_host *host = mmc_priv(mmc); @@ -903,18 +919,7 @@ static void sunxi_mmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) break; } - /* set bus width */ - switch (ios->bus_width) { - case MMC_BUS_WIDTH_1: - mmc_writel(host, REG_WIDTH, SDXC_WIDTH1); - break; - case MMC_BUS_WIDTH_4: - mmc_writel(host, REG_WIDTH, SDXC_WIDTH4); - break; - case MMC_BUS_WIDTH_8: - mmc_writel(host, REG_WIDTH, SDXC_WIDTH8); - break; - } + sunxi_mmc_set_bus_width(host, ios->bus_width); /* set ddr mode */ rval = mmc_readl(host, REG_GCTRL); |
