From mboxrd@z Thu Jan 1 00:00:00 1970 From: robertcnelson@gmail.com (Robert Nelson) Date: Wed, 10 Apr 2013 12:05:32 -0500 Subject: [PATCH] ARM: at91/dts: at91sam9g20ek_2mmc: fix card detection Message-ID: <1365613532-18919-1-git-send-email-robertcnelson@gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Use cd-inverted to fix card detection on the at91sam9g20-ek Rev C Dev board. With: v3.9-rc6: atmel_mci fffa8000.mmc: version: 0x210 atmel_mci fffa8000.mmc: using PDC atmel_mci fffa8000.mmc: Atmel MCI controller at 0xfffa8000 irq 30, 2 slots Waiting for root device /dev/mmcblk0p2... With: v3.9-rc6 + this patch, card is now detected. atmel_mci fffa8000.mmc: version: 0x210 atmel_mci fffa8000.mmc: using PDC mmc0: host does not support reading read-only switch. assuming write-enable. mmc0: new SD card at address 0007 atmel_mci fffa8000.mmc: Atmel MCI controller at 0xfffa8000 irq 30, 2 slots mmcblk0: mmc0:0007 SD02G 1.89 GiB mmcblk0: p1 p2 Although other issues still remain: mmcblk0: retrying using single block read mmcblk0: error -115 sending stop command, original cmd response 0xb00, card status 0x900 mmcblk0: error -110 transferring data, sector 834296, nr 8, cmd response 0xb00, card status 0x0 mmcblk0: retrying using single block read Signed-off-by: Robert Nelson --- arch/arm/boot/dts/at91sam9g20ek_2mmc.dts | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/boot/dts/at91sam9g20ek_2mmc.dts b/arch/arm/boot/dts/at91sam9g20ek_2mmc.dts index 66467b1..d1b1521 100644 --- a/arch/arm/boot/dts/at91sam9g20ek_2mmc.dts +++ b/arch/arm/boot/dts/at91sam9g20ek_2mmc.dts @@ -24,6 +24,7 @@ reg = <0>; bus-width = <4>; cd-gpios = <&pioC 2 0>; + cd-inverted; }; }; -- 1.7.10.4