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| author | Scott Branden | 2015-02-10 01:06:28 +0100 |
|---|---|---|
| committer | Ulf Hansson | 2015-03-23 14:13:39 +0100 |
| commit | 3bfa6f030a01870a43e2a0652437a20b59bc3412 (patch) | |
| tree | 1a528b4df9a087251c8058a5ae9af4ddd3b1fb4e /include/linux/mmc | |
| parent | mmc: sdhci-esdhc-imx: silence a false curly braces warning (diff) | |
| download | kernel-qcow2-linux-3bfa6f030a01870a43e2a0652437a20b59bc3412.tar.gz kernel-qcow2-linux-3bfa6f030a01870a43e2a0652437a20b59bc3412.tar.xz kernel-qcow2-linux-3bfa6f030a01870a43e2a0652437a20b59bc3412.zip | |
mmc: sdhci: add quirk for ACMD23 broken
Add quirk to handle broken auto-CMD23.
Some controllers do not respond after the first auto-CMD23 is issued.
This allows CMD23 to still work (mandatory for the faster UHS-I mode)
rather than disabling CMD23 entirely via SDHCI_QUIRK2_HOST_NO_CMD23.
Signed-off by: Corneliu Doban <cdoban@broadcom.com>
Signed-off-by: Scott Branden <sbranden@broadcom.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'include/linux/mmc')
| -rw-r--r-- | include/linux/mmc/sdhci.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/mmc/sdhci.h b/include/linux/mmc/sdhci.h index c3e3db196738..1bafb1e7716e 100644 --- a/include/linux/mmc/sdhci.h +++ b/include/linux/mmc/sdhci.h @@ -115,6 +115,8 @@ struct sdhci_host { #define SDHCI_QUIRK2_TUNING_WORK_AROUND (1<<12) /* disable the block count for single block transactions */ #define SDHCI_QUIRK2_SUPPORT_SINGLE (1<<13) +/* Controller broken with using ACMD23 */ +#define SDHCI_QUIRK2_ACMD23_BROKEN (1<<14) int irq; /* Device IRQ */ void __iomem *ioaddr; /* Mapped address */ |