summaryrefslogtreecommitdiff
path: root/drivers/mmc/core/pwrseq_simple.c
diff options
context:
space:
mode:
authorJohannes Berg <johannes.berg@intel.com>2017-06-08 14:14:40 +0200
committerJohannes Berg <johannes.berg@intel.com>2017-06-08 14:14:45 +0200
commita43e61842ec55baa486d60eed2a19af67ba78b9f (patch)
tree6c3c93f19e3933273b73b9edd16edc146ab18527 /drivers/mmc/core/pwrseq_simple.c
parent5d473fedd17ae3a9f92fb35551e307d01459ea6a (diff)
parent50dffe7fad6c156c2928e45c19ff7b86eb951f4c (diff)
Merge remote-tracking branch 'net-next/master' into mac80211-next
This brings in commit 7a7c0a6438b8 ("mac80211: fix TX aggregation start/stop callback race") to allow the follow-up cleanup. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'drivers/mmc/core/pwrseq_simple.c')
-rw-r--r--drivers/mmc/core/pwrseq_simple.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/mmc/core/pwrseq_simple.c b/drivers/mmc/core/pwrseq_simple.c
index 1304160de168..13ef162cf066 100644
--- a/drivers/mmc/core/pwrseq_simple.c
+++ b/drivers/mmc/core/pwrseq_simple.c
@@ -27,6 +27,7 @@ struct mmc_pwrseq_simple {
struct mmc_pwrseq pwrseq;
bool clk_enabled;
u32 post_power_on_delay_ms;
+ u32 power_off_delay_us;
struct clk *ext_clk;
struct gpio_descs *reset_gpios;
};
@@ -78,6 +79,10 @@ static void mmc_pwrseq_simple_power_off(struct mmc_host *host)
mmc_pwrseq_simple_set_gpios_value(pwrseq, 1);
+ if (pwrseq->power_off_delay_us)
+ usleep_range(pwrseq->power_off_delay_us,
+ 2 * pwrseq->power_off_delay_us);
+
if (!IS_ERR(pwrseq->ext_clk) && pwrseq->clk_enabled) {
clk_disable_unprepare(pwrseq->ext_clk);
pwrseq->clk_enabled = false;
@@ -119,6 +124,8 @@ static int mmc_pwrseq_simple_probe(struct platform_device *pdev)
device_property_read_u32(dev, "post-power-on-delay-ms",
&pwrseq->post_power_on_delay_ms);
+ device_property_read_u32(dev, "power-off-delay-us",
+ &pwrseq->power_off_delay_us);
pwrseq->pwrseq.dev = dev;
pwrseq->pwrseq.ops = &mmc_pwrseq_simple_ops;