linux-kernel - [PATCH v2 0/2] meson-mx-sdhc card busy detection fixes

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Message-Id: <20200416183513.993763-1-martin.blumenstingl@googlemail.com>
Date:   Thu, 16 Apr 2020 20:35:11 +0200
From:   Martin Blumenstingl <martin.blumenstingl@...glemail.com>
To:     ulf.hansson@...aro.org, linux-mmc@...r.kernel.org,
        linux-amlogic@...ts.infradead.org
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>
Subject: [PATCH v2 0/2] meson-mx-sdhc card busy detection fixes

The following errors were observed with Linux 5.7-rc1 and an SD card
hooked up to the meson-mx-sdio controller:
  mmc1: Card stuck being busy! __mmc_poll_for_busy
  blk_update_request: I/O error, dev mmcblk1, sector 17111080 op
   0x3:(DISCARD) flags 0x0 phys_seg 1 prio class 0


At least patch #1 should go to a -fixes branch so it can make it
into v5.7.


Changes since v1 at [0]:
- added correct Fixes tag for patch #1
- added a patch which drops the ->card_busy() implementation from
  the meson-mx-sdio driver because this is not working
- special thanks to Ulf for taking the time to provide debug
  patches, explaining things and answering my questions!


[0] https://patchwork.kernel.org/patch/11483621/


Martin Blumenstingl (2):
  mmc: meson-mx-sdio: Set MMC_CAP_WAIT_WHILE_BUSY
  mmc: meson-mx-sdio: remove the broken ->card_busy() op

 drivers/mmc/host/meson-mx-sdio.c | 11 +----------
 1 file changed, 1 insertion(+), 10 deletions(-)

-- 
2.26.1