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authorDavid Vrabel <david.vrabel@csr.com>2007-08-10 16:29:46 +0400
committerPierre Ossman <drzeus@drzeus.cx>2007-09-23 23:24:27 +0400
commit7806cdb40fd562e5dcc07321579b62a5dc7cd95c (patch)
tree75abe11b76a0f77d5478758580c3aa75bcedb82c /include/linux/mmc
parentd84075c8aed771d47d7ac6e96b098559da361c25 (diff)
downloadlinux-7806cdb40fd562e5dcc07321579b62a5dc7cd95c.tar.xz
sdio: add sdio_f0_readb() and sdio_f0_writeb()
Add sdio_f0_readb() and sdio_f0_writeb() functions to reading and writing function 0 registers. Writes outside the vendor specific CCCR registers (0xF0 - 0xFF) are not permitted. Signed-off-by: David Vrabel <david.vrabel@csr.com> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
Diffstat (limited to 'include/linux/mmc')
-rw-r--r--include/linux/mmc/sdio_func.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/mmc/sdio_func.h b/include/linux/mmc/sdio_func.h
index f05757984e8d..da6a96c39776 100644
--- a/include/linux/mmc/sdio_func.h
+++ b/include/linux/mmc/sdio_func.h
@@ -141,5 +141,10 @@ extern int sdio_memcpy_toio(struct sdio_func *func, unsigned int addr,
extern int sdio_writesb(struct sdio_func *func, unsigned int addr,
void *src, int count);
+extern unsigned char sdio_f0_readb(struct sdio_func *func,
+ unsigned int addr, int *err_ret);
+extern void sdio_f0_writeb(struct sdio_func *func, unsigned char b,
+ unsigned int addr, int *err_ret);
+
#endif