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mmc: core: make erase timeout calculation allow for gated clock

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The erase timeout calculation may depend on clock rate
which is zero if the clock is gated, so use
mmc_host_clk_rate() which allows for that case.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
This commit is contained in:
Adrian Hunter 2011-06-23 13:40:27 +03:00 committed by Chris Ball
parent ddd6fa7e79
commit 4cf8c6dd2e
1 changed files with 1 additions and 1 deletions
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drivers/mmc/core/core.c
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@ -1245,7 +1245,7 @@ static unsigned int mmc_mmc_erase_timeout(struct mmc_card *card,
*/
timeout_clks <<= 1;
timeout_us += (timeout_clks * 1000) /
(card->host->ios.clock / 1000);
(mmc_host_clk_rate(card->host) / 1000);
erase_timeout = timeout_us / 1000;