diff options
author | Shawn Lin <shawn.lin@rock-chips.com> | 2018-04-05 12:31:42 +0200 |
---|---|---|
committer | Ulf Hansson <ulf.hansson@linaro.org> | 2018-05-02 15:08:38 +0200 |
commit | d39b1b2abf9fcae3001b868186faa1ae889aecf5 (patch) | |
tree | bb81f0649d23b613675b4db4337967423a0e69c1 /drivers/mmc/host/dw_mmc-rockchip.c | |
parent | mmc: sdhci-cadence: send tune request twice to work around errata (diff) | |
download | linux-d39b1b2abf9fcae3001b868186faa1ae889aecf5.tar.xz linux-d39b1b2abf9fcae3001b868186faa1ae889aecf5.zip |
mmc: dw_mmc: fix misleading comment in dw_mci_rk3288_set_ios
DDR52 with 8-bit mode should be handled in a different way when
requesting ciu_clk. However DDR50 is used for SDMMC/SDIO and
could never be possible with 8-bit mode. It's trival but misleading.
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc/host/dw_mmc-rockchip.c')
-rw-r--r-- | drivers/mmc/host/dw_mmc-rockchip.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/mmc/host/dw_mmc-rockchip.c b/drivers/mmc/host/dw_mmc-rockchip.c index 40d7de2eea12..8c86a800a8fd 100644 --- a/drivers/mmc/host/dw_mmc-rockchip.c +++ b/drivers/mmc/host/dw_mmc-rockchip.c @@ -44,9 +44,8 @@ static void dw_mci_rk3288_set_ios(struct dw_mci *host, struct mmc_ios *ios) * bus_hz = cclkin / RK3288_CLKGEN_DIV * ios->clock = (div == 0) ? bus_hz : (bus_hz / (2 * div)) * - * Note: div can only be 0 or 1 - * if DDR50 8bit mode(only emmc work in 8bit mode), - * div must be set 1 + * Note: div can only be 0 or 1, but div must be set to 1 for eMMC + * DDR52 8-bit mode. */ if (ios->bus_width == MMC_BUS_WIDTH_8 && ios->timing == MMC_TIMING_MMC_DDR52) |