* [PATCH] mmc: sdhci-pltfm: enable interrupt mode to detect card
@ 2015-09-16 6:31 Yangbo Lu
0 siblings, 0 replies; only message in thread
From: Yangbo Lu @ 2015-09-16 6:31 UTC (permalink / raw)
To: linux-mmc, ulf.hansson; +Cc: Yangbo Lu
Enable interrupt mode to detect card instead of polling mode for
ls1021a by removing the quirk SDHCI_QUIRK_BROKEN_CARD_DETECTION.
This could improve data transferring performance and avoid the call
trace caused by polling card status sometime.
Signed-off-by: Yangbo Lu <yangbo.lu@freescale.com>
---
drivers/mmc/host/sdhci-of-esdhc.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/mmc/host/sdhci-of-esdhc.c b/drivers/mmc/host/sdhci-of-esdhc.c
index 653f335..2a54dbe 100644
--- a/drivers/mmc/host/sdhci-of-esdhc.c
+++ b/drivers/mmc/host/sdhci-of-esdhc.c
@@ -371,7 +371,8 @@ static int sdhci_esdhc_probe(struct platform_device *pdev)
of_device_is_compatible(np, "fsl,p5020-esdhc") ||
of_device_is_compatible(np, "fsl,p4080-esdhc") ||
of_device_is_compatible(np, "fsl,p1020-esdhc") ||
- of_device_is_compatible(np, "fsl,t1040-esdhc"))
+ of_device_is_compatible(np, "fsl,t1040-esdhc") ||
+ of_device_is_compatible(np, "fsl,ls1021a-esdhc"))
host->quirks &= ~SDHCI_QUIRK_BROKEN_CARD_DETECTION;
if (of_device_is_compatible(np, "fsl,p2020-esdhc")) {
--
2.1.0.27.g96db324
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