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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>
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2 changed files with 3 additions and 2 deletions
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@ -524,8 +524,9 @@ static inline void esdhc_pltfm_set_clock(struct sdhci_host *host,
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while (host_clock / pre_div / div > clock && div < 16)
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div++;
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host->mmc->actual_clock = host_clock / pre_div / div;
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dev_dbg(mmc_dev(host->mmc), "desired SD clock: %d, actual: %d\n",
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clock, host_clock / pre_div / div);
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clock, host->mmc->actual_clock);
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pre_div >>= 1;
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div--;
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@ -227,7 +227,7 @@ static void esdhc_of_set_clock(struct sdhci_host *host, unsigned int clock)
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div++;
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dev_dbg(mmc_dev(host->mmc), "desired SD clock: %d, actual: %d\n",
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clock, host_clock / pre_div / div);
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clock, host->max_clk / pre_div / div);
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pre_div >>= 1;
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div--;
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