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| author | Jaehoon Chung <jh80.chung@samsung.com> | 2013-10-28 15:13:22 +0900 |
|---|---|---|
| committer | Chanho Park <chanho61.park@samsung.com> | 2014-11-18 11:45:01 +0900 |
| commit | 768ed814e35273b7afd92110cb3fa352d0a001a4 (patch) | |
| tree | 173835ec7092a24a15610f24c1a64401d16ca736 /drivers/mmc | |
| parent | fd1f749059e60bedb2c105fa0f234db25437b7d2 (diff) | |
| download | linux-3.10-768ed814e35273b7afd92110cb3fa352d0a001a4.tar.gz linux-3.10-768ed814e35273b7afd92110cb3fa352d0a001a4.tar.bz2 linux-3.10-768ed814e35273b7afd92110cb3fa352d0a001a4.zip | |
mmc: core: change the clkgate_delay value from 0 to 3.
When clkgate_delay is set to 0, then clk is gated at every request.
It's inefficient. So, it's changed from 0 to 3.
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/core/host.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c index 2a3593d9f87..78864311e12 100644 --- a/drivers/mmc/core/host.c +++ b/drivers/mmc/core/host.c @@ -242,10 +242,10 @@ static inline void mmc_host_clk_init(struct mmc_host *host) /* Hold MCI clock for 8 cycles by default */ host->clk_delay = 8; /* - * Default clock gating delay is 0ms to avoid wasting power. + * Default clock gating delay is 3ms to avoid wasting power. * This value can be tuned by writing into sysfs entry. */ - host->clkgate_delay = 0; + host->clkgate_delay = 3; host->clk_gated = false; INIT_DELAYED_WORK(&host->clk_gate_work, mmc_host_clk_gate_work); spin_lock_init(&host->clk_lock); |