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authorDong Aisheng2013-09-13 13:11:37 +0200
committerChris Ball2013-09-27 16:31:48 +0200
commite76b855956383d58232cfcf367f0ce34f149161b (patch)
tree987f6e1be14a55b961d71ff6f9e353778d4772b9 /drivers/mmc/host/sdhci-esdhc-imx.c
parentmmc: sdhci-esdhc-imx: correct pre_div for imx6q (diff)
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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 <b29396@freescale.com> Acked-by: Shawn Guo <shawn.guo@linaro.org> Signed-off-by: Chris Ball <cjb@laptop.org>
Diffstat (limited to 'drivers/mmc/host/sdhci-esdhc-imx.c')
-rw-r--r--drivers/mmc/host/sdhci-esdhc-imx.c3
1 files changed, 2 insertions, 1 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--;