提交 272308ca 编写于 作者: A Andy Shevchenko 提交者: Chris Ball

mmc: sdhci: move timeout_clk calculation farther down

This moves the calculation below the assignment of mmc->f_max, which
we need for calculating timeout_clk in the next patch in this series.
Signed-off-by: NAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: NChris Ball <cjb@laptop.org>
上级 78a2ca27
...@@ -2456,25 +2456,6 @@ int sdhci_add_host(struct sdhci_host *host) ...@@ -2456,25 +2456,6 @@ int sdhci_add_host(struct sdhci_host *host)
host->max_clk = host->ops->get_max_clock(host); host->max_clk = host->ops->get_max_clock(host);
} }
host->timeout_clk =
(caps[0] & SDHCI_TIMEOUT_CLK_MASK) >> SDHCI_TIMEOUT_CLK_SHIFT;
if (host->timeout_clk == 0) {
if (host->ops->get_timeout_clock) {
host->timeout_clk = host->ops->get_timeout_clock(host);
} else if (!(host->quirks &
SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK)) {
printk(KERN_ERR
"%s: Hardware doesn't specify timeout clock "
"frequency.\n", mmc_hostname(mmc));
return -ENODEV;
}
}
if (caps[0] & SDHCI_TIMEOUT_CLK_UNIT)
host->timeout_clk *= 1000;
if (host->quirks & SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK)
host->timeout_clk = host->clock / 1000;
/* /*
* In case of Host Controller v3.00, find out whether clock * In case of Host Controller v3.00, find out whether clock
* multiplier is supported. * multiplier is supported.
...@@ -2507,6 +2488,25 @@ int sdhci_add_host(struct sdhci_host *host) ...@@ -2507,6 +2488,25 @@ int sdhci_add_host(struct sdhci_host *host)
} else } else
mmc->f_min = host->max_clk / SDHCI_MAX_DIV_SPEC_200; mmc->f_min = host->max_clk / SDHCI_MAX_DIV_SPEC_200;
host->timeout_clk =
(caps[0] & SDHCI_TIMEOUT_CLK_MASK) >> SDHCI_TIMEOUT_CLK_SHIFT;
if (host->timeout_clk == 0) {
if (host->ops->get_timeout_clock) {
host->timeout_clk = host->ops->get_timeout_clock(host);
} else if (!(host->quirks &
SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK)) {
printk(KERN_ERR
"%s: Hardware doesn't specify timeout clock "
"frequency.\n", mmc_hostname(mmc));
return -ENODEV;
}
}
if (caps[0] & SDHCI_TIMEOUT_CLK_UNIT)
host->timeout_clk *= 1000;
if (host->quirks & SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK)
host->timeout_clk = host->clock / 1000;
if (host->quirks & SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK) if (host->quirks & SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK)
mmc->max_discard_to = (1 << 27) / (mmc->f_max / 1000); mmc->max_discard_to = (1 << 27) / (mmc->f_max / 1000);
else else
......
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