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| author | Joseph Lo <josephl@nvidia.com> | 2016-12-16 18:57:36 +0100 |
|---|---|---|
| committer | Lee Jones <lee.jones@linaro.org> | 2017-02-13 10:29:42 +0100 |
| commit | a9eb186e13144782232cc6fa731441be54baf505 (patch) | |
| tree | 84516b09ee9f92af21eec842db5cd9efb85df9dc /drivers/mfd/cros_ec.c | |
| parent | mfd: dt: Add bindings for the Aspeed SoC Display Controller (GFX) (diff) | |
| download | linux-a9eb186e13144782232cc6fa731441be54baf505.tar.xz linux-a9eb186e13144782232cc6fa731441be54baf505.zip | |
mfd: cros_ec: Prevent data transfer while device is suspended
The cros_ec driver is still active while the device is suspended.
Besides that, it also tries to transfer data even after the I2C host had
been suspended. This patch uses a simple flag to prevent this.
Signed-off-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Thierry Escande <thierry.escande@collabora.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Diffstat (limited to 'drivers/mfd/cros_ec.c')
| -rw-r--r-- | drivers/mfd/cros_ec.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/mfd/cros_ec.c b/drivers/mfd/cros_ec.c index abd83424b498..ad48633c9a47 100644 --- a/drivers/mfd/cros_ec.c +++ b/drivers/mfd/cros_ec.c @@ -165,6 +165,7 @@ int cros_ec_suspend(struct cros_ec_device *ec_dev) disable_irq(ec_dev->irq); ec_dev->was_wake_device = ec_dev->wake_enabled; + ec_dev->suspended = true; return 0; } @@ -179,6 +180,7 @@ static void cros_ec_drain_events(struct cros_ec_device *ec_dev) int cros_ec_resume(struct cros_ec_device *ec_dev) { + ec_dev->suspended = false; enable_irq(ec_dev->irq); /* |