From: Anton Vorontsov <avorontsov@ru.mvista.com>
To: Kumar Gala <galak@kernel.crashing.org>,
David Brownell <dbrownell@users.sourceforge.net>,
Pierre Ossman <drzeus-mmc@drzeus.cx>
Cc: Jochen Friedrich <jochen@scram.de>,
Timur Tabi <timur@freescale.com>,
linuxppc-dev@ozlabs.org, linux-kernel@vger.kernel.org,
spi-devel-general@lists.sourceforge.net
Subject: [PATCH 4/4] [POWERPC] 86xx: mpc8610_hpcd: add SD/MMC card detect polling
Date: Fri, 16 May 2008 20:51:00 +0400 [thread overview]
Message-ID: <20080516165100.GD24196@polina.dev.rtsoft.ru> (raw)
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
reply other threads:[~2008-05-16 16:52 UTC|newest]
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