From e76b855956383d58232cfcf367f0ce34f149161b Mon Sep 17 00:00:00 2001 From: Dong Aisheng Date: Fri, 13 Sep 2013 19:11:37 +0800 Subject: [PATCH] mmc: sdhci-esdhc-imx: set actual_clock in clock setting This enables access the actual_clock via sys. root@imx6qsabreauto:~# cat /sys/kernel/debug/mmc0/ios clock: 198000000 Hz actual clock: 198000000 Hz vdd: 17 (2.9 ~ 3.0 V) bus mode: 2 (push-pull) chip select: 0 (don't care) power mode: 2 (on) bus width: 2 (4 bits) timing spec: 6 (sd uhs SDR104) signal voltage: 0 (1.80 V) Signed-off-by: Dong Aisheng Acked-by: Shawn Guo Signed-off-by: Chris Ball --- drivers/mmc/host/sdhci-esdhc-imx.c | 3 ++- drivers/mmc/host/sdhci-of-esdhc.c | 2 +- 2 files changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c index fe48ec3323af..b9899e9c684a 100644 --- a/drivers/mmc/host/sdhci-esdhc-imx.c +++ b/drivers/mmc/host/sdhci-esdhc-imx.c @@ -524,8 +524,9 @@ static inline void esdhc_pltfm_set_clock(struct sdhci_host *host, while (host_clock / pre_div / div > clock && div < 16) div++; + host->mmc->actual_clock = host_clock / pre_div / div; dev_dbg(mmc_dev(host->mmc), "desired SD clock: %d, actual: %d\n", - clock, host_clock / pre_div / div); + clock, host->mmc->actual_clock); pre_div >>= 1; div--; diff --git a/drivers/mmc/host/sdhci-of-esdhc.c b/drivers/mmc/host/sdhci-of-esdhc.c index b1605a1747c4..0b249970b119 100644 --- a/drivers/mmc/host/sdhci-of-esdhc.c +++ b/drivers/mmc/host/sdhci-of-esdhc.c @@ -227,7 +227,7 @@ static void esdhc_of_set_clock(struct sdhci_host *host, unsigned int clock) div++; dev_dbg(mmc_dev(host->mmc), "desired SD clock: %d, actual: %d\n", - clock, host_clock / pre_div / div); + clock, host->max_clk / pre_div / div); pre_div >>= 1; div--;