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| author | Vincent Yang | 2015-01-20 09:05:16 +0100 |
|---|---|---|
| committer | Ulf Hansson | 2015-01-20 09:29:16 +0100 |
| commit | 67d0d04a762db4bd610fd628ad683b5d7dc905e7 (patch) | |
| tree | 74a3eed2bb5f6e5643ee445b28e8a871aa3f22f1 /include/linux/mmc | |
| parent | mmc: sdhci: add a voltage switch callback function (diff) | |
| download | kernel-qcow2-linux-67d0d04a762db4bd610fd628ad683b5d7dc905e7.tar.gz kernel-qcow2-linux-67d0d04a762db4bd610fd628ad683b5d7dc905e7.tar.xz kernel-qcow2-linux-67d0d04a762db4bd610fd628ad683b5d7dc905e7.zip | |
mmc: sdhci: add a quirk for tuning work around
This patch defines a quirk for tuning work
around for some sdhci host controller. It sets
both SDHCI_CTRL_EXEC_TUNING and SDHCI_CTRL_TUNED_CLK
for tuning.
It is a preparation and will be used by Fujitsu
SDHCI controller f_sdh30 driver.
Signed-off-by: Vincent Yang <Vincent.Yang@tw.fujitsu.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 cb8b94ff6a26..933b897ca095 100644 --- a/include/linux/mmc/sdhci.h +++ b/include/linux/mmc/sdhci.h @@ -111,6 +111,8 @@ struct sdhci_host { #define SDHCI_QUIRK2_CLEAR_TRANSFERMODE_REG_BEFORE_CMD (1<<10) /* Capability register bit-63 indicates HS400 support */ #define SDHCI_QUIRK2_CAPS_BIT63_FOR_HS400 (1<<11) +/* forced tuned clock */ +#define SDHCI_QUIRK2_TUNING_WORK_AROUND (1<<12) int irq; /* Device IRQ */ void __iomem *ioaddr; /* Mapped address */ |