diff options
| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2014-04-25 12:56:01 +0100 |
|---|---|---|
| committer | Chris Ball <chris@printf.net> | 2014-05-22 07:26:26 -0400 |
| commit | b537f94ce19583de1882f539a5cc49aa99260aca (patch) | |
| tree | 80e6672bfec0bc5f97f1f30537e939c766b78dcd /include/linux/mmc | |
| parent | be138554a7923658ded799b0e8794d9c1d08a6e5 (diff) | |
| download | op-kernel-dev-b537f94ce19583de1882f539a5cc49aa99260aca.zip op-kernel-dev-b537f94ce19583de1882f539a5cc49aa99260aca.tar.gz | |
mmc: sdhci: more efficient interrupt enable register handling
Rather than wasting cycles read-modify-writing the interrupt enable
registers, cache the value locally instead.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Tested-by: Markus Pargmann <mpa@pengutronix.de>
Tested-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Chris Ball <chris@printf.net>
Diffstat (limited to 'include/linux/mmc')
| -rw-r--r-- | include/linux/mmc/sdhci.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/mmc/sdhci.h b/include/linux/mmc/sdhci.h index f1c8e14..9361d8e 100644 --- a/include/linux/mmc/sdhci.h +++ b/include/linux/mmc/sdhci.h @@ -178,6 +178,9 @@ struct sdhci_host { u32 thread_isr; + /* cached registers */ + u32 ier; + wait_queue_head_t buf_ready_int; /* Waitqueue for Buffer Read Ready interrupt */ unsigned int tuning_done; /* Condition flag set when CMD19 succeeds */ |
