From de350550ef648d9728351b986b0516fa29465c45 Mon Sep 17 00:00:00 2001 From: Qin Wie Date: Tue, 1 Aug 2017 14:26:49 +0800 Subject: [PATCH] ramips: fix cd-poll sd card remove randomly Fix when add 'mediatek,cd-poll' to dts cause the sd card be removed randomly. Special for the device without card-detect pin. Signed-off-by: Qin Wie --- .../0046-mmc-MIPS-ralink-add-sdhci-for-mt7620a-SoC.patch | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/target/linux/ramips/patches-4.9/0046-mmc-MIPS-ralink-add-sdhci-for-mt7620a-SoC.patch b/target/linux/ramips/patches-4.9/0046-mmc-MIPS-ralink-add-sdhci-for-mt7620a-SoC.patch index 29ec3b7e1e..dc55967b64 100644 --- a/target/linux/ramips/patches-4.9/0046-mmc-MIPS-ralink-add-sdhci-for-mt7620a-SoC.patch +++ b/target/linux/ramips/patches-4.9/0046-mmc-MIPS-ralink-add-sdhci-for-mt7620a-SoC.patch @@ -2345,6 +2345,8 @@ Signed-off-by: John Crispin + else + inserted = (status & MSDC_PS_CDSTS) ? 1 : 0; + } ++ if (host->mmc->caps & MMC_CAP_NEEDS_POLL) ++ inserted = 1; + +#if 0 + change = host->card_inserted ^ inserted; @@ -4092,6 +4094,8 @@ Signed-off-by: John Crispin + present = (sdr_read32(MSDC_PS) & MSDC_PS_CDSTS) ? 0 : 1; + else + present = (sdr_read32(MSDC_PS) & MSDC_PS_CDSTS) ? 1 : 0; ++ if (host->mmc->caps & MMC_CAP_NEEDS_POLL) ++ present = 1; + host->card_inserted = present; +#endif + spin_unlock_irqrestore(&host->lock, flags); -- 2.30.2