[PATCH 4/4] [POWERPC] 86xx: mpc8610_hpcd: add SD/MMC card detect polling
DORMANTno replies
From: Anton Vorontsov <hidden>
Date: 2008-05-16 16:52:16
Also in:
linux-spi, lkml
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Linus Torvalds
MPC8610HPCD seem to not use interrupts for the SD CD line, so we need poll it. Signed-off-by: Anton Vorontsov <redacted> --- 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