diff options
| author | Stefan Nilsson XK <stefan.xk.nilsson@stericsson.com> | 2011-05-11 11:48:05 -0400 |
|---|---|---|
| committer | Chris Ball <cjb@laptop.org> | 2011-05-24 23:53:50 -0400 |
| commit | 06e8935febe687e2a561707d4c7ca4245d261dbe (patch) | |
| tree | 0eef896f5b1614576fb0a1b744b4f87e8124f515 /include/linux/mmc | |
| parent | 253d6a280f77a9b61a76f9b1bfb83545fbd58726 (diff) | |
mmc: sdio: optimized SDIO IRQ handling for single irq
If there is only 1 function interrupt registered it is possible to
improve performance by directly calling the irq handler and avoiding
the overhead of reading the CCCR registers.
Signed-off-by: Per Forlin <per.forlin@linaro.org>
Acked-by: Ulf Hansson <ulf.hansson@stericsson.com>
Reviewed-by: Nicolas Pitre <nicolas.pitre@linaro.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
Diffstat (limited to 'include/linux/mmc')
| -rw-r--r-- | include/linux/mmc/card.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h index d8dffc992ce2..4910dec47bb7 100644 --- a/include/linux/mmc/card.h +++ b/include/linux/mmc/card.h | |||
| @@ -191,6 +191,7 @@ struct mmc_card { | |||
| 191 | struct sdio_cccr cccr; /* common card info */ | 191 | struct sdio_cccr cccr; /* common card info */ |
| 192 | struct sdio_cis cis; /* common tuple info */ | 192 | struct sdio_cis cis; /* common tuple info */ |
| 193 | struct sdio_func *sdio_func[SDIO_MAX_FUNCS]; /* SDIO functions (devices) */ | 193 | struct sdio_func *sdio_func[SDIO_MAX_FUNCS]; /* SDIO functions (devices) */ |
| 194 | struct sdio_func *sdio_single_irq; /* SDIO function when only one IRQ active */ | ||
| 194 | unsigned num_info; /* number of info strings */ | 195 | unsigned num_info; /* number of info strings */ |
| 195 | const char **info; /* info strings */ | 196 | const char **info; /* info strings */ |
| 196 | struct sdio_func_tuple *tuples; /* unknown common tuples */ | 197 | struct sdio_func_tuple *tuples; /* unknown common tuples */ |