Messages in this thread Patch in this message | | | Date | Fri, 16 May 2008 20:51:00 +0400 | From | Anton Vorontsov <> | Subject | [PATCH 4/4] [POWERPC] 86xx: mpc8610_hpcd: add SD/MMC card detect polling |
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MPC8610HPCD seem to not use interrupts for the SD CD line, so we need poll it.
Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com> --- arch/powerpc/platforms/86xx/mpc8610_hpcd.c | 6 ++++++ 1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/arch/powerpc/platforms/86xx/mpc8610_hpcd.c b/arch/powerpc/platforms/86xx/mpc8610_hpcd.c index be430bc..47078e3 100644 --- a/arch/powerpc/platforms/86xx/mpc8610_hpcd.c +++ b/arch/powerpc/platforms/86xx/mpc8610_hpcd.c @@ -63,9 +63,15 @@ static int mmc_get_ro(struct device *dev) return in_8(pixis_sdcsr) & PX_SDCSR_SD_WP; } +static int mmc_get_cd(struct device *dev) +{ + return !(in_8(pixis_sdcsr) & PX_SDCSR_SD_nCD); +} + static struct mmc_spi_platform_data mmc_pdata = { .ocr_mask = MMC_VDD_33_34, .get_ro = mmc_get_ro, + .get_cd = mmc_get_cd, }; static struct spi_board_info spi_boardinfo = { -- 1.5.5.1
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