lkml.org 
[lkml]   [2022]   [Dec]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] mmc: sdhci-sprd: disable polling scan for sdio card
Date
Enable polling will increase the power consumption of the host.

Fixes: fb8bd90f83c4 ("mmc: sdhci-sprd: Add Spreadtrum's initial host controller")
Signed-off-by: Wenchao Chen <wenchao.chen@unisoc.com>
---
drivers/mmc/host/sdhci-sprd.c | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/drivers/mmc/host/sdhci-sprd.c b/drivers/mmc/host/sdhci-sprd.c
index 525f979e2a97..113a5c77578f 100644
--- a/drivers/mmc/host/sdhci-sprd.c
+++ b/drivers/mmc/host/sdhci-sprd.c
@@ -696,6 +696,10 @@ static int sdhci_sprd_probe(struct platform_device *pdev)
if (ret)
goto err_cleanup_host;

+ if ((host->mmc->caps2 & MMC_CAP2_NO_SD) &&
+ (host->mmc->caps2 & MMC_CAP2_NO_MMC))
+ host->mmc->caps &= ~MMC_CAP_NEEDS_POLL;
+
pm_runtime_mark_last_busy(&pdev->dev);
pm_runtime_put_autosuspend(&pdev->dev);

--
2.17.1
\
 
 \ /
  Last update: 2022-12-19 09:51    [W:0.606 / U:0.068 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site