diff mbox

[4/6] ARM: ux500: Enable support for discard for MMC/SD

Message ID 1369314830-3727-5-git-send-email-ulf.hansson@stericsson.com (mailing list archive)
State New, archived
Headers show

Commit Message

Ulf Hansson May 23, 2013, 1:13 p.m. UTC 
From: Ulf Hansson <ulf.hansson@linaro.org>

By enabling MMC_CAP_ERASE for the SD/MMC devices the mmc block
layer will now act on DISCARD requests.

Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
---
 arch/arm/mach-ux500/board-mop500-sdi.c |    5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

Comments

Linus Walleij May 27, 2013, 11:32 a.m. UTC | #1 
On Thu, May 23, 2013 at 3:13 PM, Ulf Hansson <ulf.hansson@stericsson.com> wrote:

> From: Ulf Hansson <ulf.hansson@linaro.org>
>
> By enabling MMC_CAP_ERASE for the SD/MMC devices the mmc block
> layer will now act on DISCARD requests.
>
> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

Patch applied for ux500-core.

On the DT boot path this has the same problems and
comments as for patch 3: not supported on DT boots.

Yours,
Linus Walleij
diff mbox

Patch

diff --git a/arch/arm/mach-ux500/board-mop500-sdi.c b/arch/arm/mach-ux500/board-mop500-sdi.c
index 9bb3ca5..3c07f55 100644
--- a/arch/arm/mach-ux500/board-mop500-sdi.c
+++ b/arch/arm/mach-ux500/board-mop500-sdi.c
@@ -55,7 +55,8 @@  struct mmci_platform_data mop500_sdi0_data = {
 	.f_max		= 100000000,
 	.capabilities	= MMC_CAP_4_BIT_DATA |
 				MMC_CAP_SD_HIGHSPEED |
-				MMC_CAP_MMC_HIGHSPEED,
+				MMC_CAP_MMC_HIGHSPEED |
+				MMC_CAP_ERASE,
 	.gpio_wp	= -1,
 	.sigdir		= MCI_ST_FBCLKEN |
 				MCI_ST_CMDDIREN |
@@ -146,6 +147,7 @@  struct mmci_platform_data mop500_sdi2_data = {
 	.capabilities	= MMC_CAP_4_BIT_DATA |
 				MMC_CAP_8_BIT_DATA |
 				MMC_CAP_MMC_HIGHSPEED |
+				MMC_CAP_ERASE |
 				MMC_CAP_CMD23,
 	.gpio_cd	= -1,
 	.gpio_wp	= -1,
@@ -185,6 +187,7 @@  struct mmci_platform_data mop500_sdi4_data = {
 	.capabilities	= MMC_CAP_4_BIT_DATA |
 				MMC_CAP_8_BIT_DATA |
 				MMC_CAP_MMC_HIGHSPEED |
+				MMC_CAP_ERASE |
 				MMC_CAP_CMD23,
 	.gpio_cd	= -1,
 	.gpio_wp	= -1,