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path: root/drivers/mmc/host/sdhci-esdhc.h
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Diffstat (limited to 'drivers/mmc/host/sdhci-esdhc.h')
-rw-r--r--drivers/mmc/host/sdhci-esdhc.h37
1 files changed, 0 insertions, 37 deletions
diff --git a/drivers/mmc/host/sdhci-esdhc.h b/drivers/mmc/host/sdhci-esdhc.h
index a2a06420e46..a7d9f95a7b0 100644
--- a/drivers/mmc/host/sdhci-esdhc.h
+++ b/drivers/mmc/host/sdhci-esdhc.h
@@ -49,41 +49,4 @@
#define ESDHC_HOST_CONTROL_RES 0x05
-static inline void esdhc_set_clock(struct sdhci_host *host, unsigned int clock,
- unsigned int host_clock)
-{
- int pre_div = 2;
- int div = 1;
- u32 temp;
-
- if (clock == 0)
- goto out;
-
- temp = sdhci_readl(host, ESDHC_SYSTEM_CONTROL);
- temp &= ~(ESDHC_CLOCK_IPGEN | ESDHC_CLOCK_HCKEN | ESDHC_CLOCK_PEREN
- | ESDHC_CLOCK_MASK);
- sdhci_writel(host, temp, ESDHC_SYSTEM_CONTROL);
-
- while (host_clock / pre_div / 16 > clock && pre_div < 256)
- pre_div *= 2;
-
- while (host_clock / pre_div / div > clock && div < 16)
- div++;
-
- dev_dbg(mmc_dev(host->mmc), "desired SD clock: %d, actual: %d\n",
- clock, host_clock / pre_div / div);
-
- pre_div >>= 1;
- div--;
-
- temp = sdhci_readl(host, ESDHC_SYSTEM_CONTROL);
- temp |= (ESDHC_CLOCK_IPGEN | ESDHC_CLOCK_HCKEN | ESDHC_CLOCK_PEREN
- | (div << ESDHC_DIVIDER_SHIFT)
- | (pre_div << ESDHC_PREDIV_SHIFT));
- sdhci_writel(host, temp, ESDHC_SYSTEM_CONTROL);
- mdelay(1);
-out:
- host->clock = clock;
-}
-
#endif /* _DRIVERS_MMC_SDHCI_ESDHC_H */