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[v2,8/9] mmc: sdhci-esdhc-imx: set actual_clock in clock setting

Message ID 1379070698-7344-9-git-send-email-b29396@freescale.com (mailing list archive)
State New, archived
Headers show

Commit Message

Aisheng Dong Sept. 13, 2013, 11:11 a.m. UTC
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>
---
 drivers/mmc/host/sdhci-esdhc-imx.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
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Patch

diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c
index fe48ec3..b9899e9 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--;