tmio: add a platform flag to disable card write-protection detection
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>
diff --git a/include/linux/mfd/tmio.h b/include/linux/mfd/tmio.h
index 360fc95..feeed0b 100644
--- a/include/linux/mfd/tmio.h
+++ b/include/linux/mfd/tmio.h
@@ -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_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);