public inbox for linux-arm-kernel@lists.infradead.org
 help / color / mirror / Atom feed
* [PATCH V2] mmc: dw_mmc: exynos: Turn SDIO interrupts on
@ 2014-03-24  4:23 Yuvaraj Kumar C D
  2014-03-24  4:29 ` Jaehoon Chung
  0 siblings, 1 reply; 5+ messages in thread
From: Yuvaraj Kumar C D @ 2014-03-24  4:23 UTC (permalink / raw)
  To: linux-arm-kernel

The mmc part in exynos supports SDIO interrupts and they work fine, so
turn the capability on.  With this I see download speeds increase
about 10x. 
	
This V1 of this patch is posted to LKML at
https://patchwork.kernel.org/patch/2429661/) by Doug Anderson.

Signed-off-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Yuvaraj Kumar C D <yuvaraj.cd@samsung.com>
---
 drivers/mmc/host/dw_mmc.c |    3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
index 0c56faa..240949d 100644
--- a/drivers/mmc/host/dw_mmc.c
+++ b/drivers/mmc/host/dw_mmc.c
@@ -2417,6 +2417,9 @@ static struct dw_mci_board *dw_mci_parse_dt(struct dw_mci *host)
 	if (of_get_property(np, "cd-inverted", NULL))
 		pdata->caps2 |= MMC_CAP2_CD_ACTIVE_HIGH;
 
+	if (of_find_property(np, "cap-sdio-irq", NULL))
+		pdata->caps |= MMC_CAP_SDIO_IRQ;
+
 	return pdata;
 }
 
-- 
1.7.10.4

^ permalink raw reply related	[flat|nested] 5+ messages in thread

end of thread, other threads:[~2014-04-23  6:54 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2014-03-24  4:23 [PATCH V2] mmc: dw_mmc: exynos: Turn SDIO interrupts on Yuvaraj Kumar C D
2014-03-24  4:29 ` Jaehoon Chung
2014-03-24  4:42   ` Yuvaraj Kumar
2014-04-23  4:12     ` Alim Akhtar
2014-04-23  6:54       ` Yuvaraj Cd

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox