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mmc: sh_mmcif: support generic card-detection

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Extend the sh_mmcif driver to support GPIO card detection, provided by the
slot function module. The original .get_cd() platform callback is also
preserved for now.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Chris Ball <cjb@laptop.org>
This commit is contained in:
Guennadi Liakhovetski
2012-06-14 14:24:35 +02:00
committed by Chris Ball
parent d9adcc1286
commit e480606ad4
2 changed files with 20 additions and 0 deletions
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include/linux/mmc/sh_mmcif.h
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@@ -44,6 +44,8 @@ struct sh_mmcif_plat_data {
struct sh_mmcif_dma *dma; /* Deprecated. Instead */
unsigned int slave_id_tx; /* use embedded slave_id_[tr]x */
unsigned int slave_id_rx;
bool use_cd_gpio : 1;
unsigned int cd_gpio;
u8 sup_pclk; /* 1 :SH7757, 0: SH7724/SH7372 */
unsigned long caps;
u32 ocr;