Enable interrupt mode to detect card instead of polling mode for P1020/P4080/P5020/P5040/T1040 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@xxxxxxxxxxxxx> ---- Changes for v2: - Aligned all "of_device_is_compatibles" in same column --- drivers/mmc/host/sdhci-pltfm.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/mmc/host/sdhci-pltfm.c b/drivers/mmc/host/sdhci-pltfm.c index c5b01d6..97128f3 100644 --- a/drivers/mmc/host/sdhci-pltfm.c +++ b/drivers/mmc/host/sdhci-pltfm.c @@ -102,6 +102,13 @@ void sdhci_get_of_property(struct platform_device *pdev) of_device_is_compatible(np, "fsl,mpc8536-esdhc")) host->quirks |= SDHCI_QUIRK_BROKEN_TIMEOUT_VAL; + if (of_device_is_compatible(np, "fsl,p5040-esdhc") || + 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")) + host->quirks &= ~SDHCI_QUIRK_BROKEN_CARD_DETECTION; + clk = of_get_property(np, "clock-frequency", &size); if (clk && size == sizeof(*clk) && *clk) pltfm_host->clock = be32_to_cpup(clk); -- 2.1.0.27.g96db324 -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
