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tmio: add a platform flag to disable card write-protection detection

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Write-protection status is not always available, e.g., micro-SD cards do not
have a write-protection switch at all. This patch adds a flag to let platforms
force tmio_mmc to consider the card writable.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: Ian Molton <ian@mnementh.co.uk>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Guennadi Liakhovetski
2010-05-19 18:36:02 +00:00
committed by Paul Mundt
parent 65a1b0347a
commit ac8fb3e862
2 changed files with 8 additions and 1 deletions
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4
include/linux/mfd/tmio.h
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@ -50,6 +50,9 @@
tmio_iowrite16((val) >> 16, (base) + ((reg + 2) << (shift))); \
} while (0)
/* tmio MMC platform flags */
#define TMIO_MMC_WRPROTECT_DISABLE (1 << 0)
int tmio_core_mmc_enable(void __iomem *cnf, int shift, unsigned long base);
int tmio_core_mmc_resume(void __iomem *cnf, int shift, unsigned long base);
void tmio_core_mmc_pwr(void __iomem *cnf, int shift, int state);
@ -66,6 +69,7 @@ struct tmio_mmc_dma {
struct tmio_mmc_data {
unsigned int hclk;
unsigned long capabilities;
unsigned long flags;
struct tmio_mmc_dma *dma;
void (*set_pwr)(struct platform_device *host, int state);
void (*set_clk_div)(struct platform_device *host, int state);