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mmc: tmio_mmc: implement SDIO IRQ support

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This patch implements SDIO IRQ support for mfds which
announce the TMIO_MMC_SDIO_IRQ flag for tmio_mmc.
If MMC_CAP_SDIO_IRQ is also set SDIO IRQ signalling is activated.
Tested with a b43-based wireless SDIO card and sh_mobile_sdhi.

Signed-off-by: Arnd Hannemann <arnd@arndnet.de>
Signed-off-by: Chris Ball <cjb@laptop.org>
This commit is contained in:
Arnd Hannemann
2010-12-28 23:22:31 +01:00
committed by Chris Ball
parent 39a65a0dbb
commit 845ecd2023
2 changed files with 83 additions and 0 deletions
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4
include/linux/mfd/tmio.h
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@ -57,6 +57,10 @@
* is configured in 4-bit mode.
*/
#define TMIO_MMC_BLKSZ_2BYTES (1 << 1)
/*
* Some controllers can support SDIO IRQ signalling.
*/
#define TMIO_MMC_SDIO_IRQ (1 << 2)
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);