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mmc: sdhci: add support for realtek rts5250

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Add support for realtek rts5250 pci card reader. The card reader has
some problems with DDR50 mode, so add a new quirks2 for broken ddr50.

Signed-off-by: Micky Ching <micky_ching@realsil.com.cn>
Signed-off-by: Chris Ball <chris@printf.net>
This commit is contained in:
Micky Ching 2014-02-21 18:40:35 +08:00 • committed by Chris Ball
parent b13d1f0f9a
commit 9107ebbf96
3 changed files with 24 additions and 1 deletions
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2
include/linux/mmc/sdhci.h
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@ -100,6 +100,8 @@ struct sdhci_host {
#define SDHCI_QUIRK2_BROKEN_HOST_CONTROL (1<<5)
/* Controller does not support HS200 */
#define SDHCI_QUIRK2_BROKEN_HS200 (1<<6)
/* Controller does not support DDR50 */
#define SDHCI_QUIRK2_BROKEN_DDR50 (1<<7)
int irq; /* Device IRQ */
void __iomem *ioaddr; /* Mapped address */