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mmc: Add mmc_vddrange_to_ocrmask() helper function

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This function sets the OCR mask bits according to provided voltage
ranges. Will be used by the mmc_spi OpenFirmware bindings.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
This commit is contained in:
Anton Vorontsov 2008-11-26 22:54:17 +03:00 • committed by Pierre Ossman
parent 0527a60c2b
commit 86e8286a0e
2 changed files with 77 additions and 0 deletions
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2
include/linux/mmc/core.h
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@ -151,4 +151,6 @@ static inline void mmc_claim_host(struct mmc_host *host)
__mmc_claim_host(host, NULL);
}
extern u32 mmc_vddrange_to_ocrmask(int vdd_min, int vdd_max);
#endif