[PATCH AUTOSEL 5.6 03/68] usb: ucsi: ccg: disable runtime pm during fw flashing

Sasha Levin
2020-04-10T03:46:48Z

From: Ajay Gupta <ajayg@nvidia.com>

[ Upstream commit 57a5e5f936be583d2c6cef3661c169e3ea4bf922 ]

Ucsi ppm is unregistered during fw flashing so disable
runtime pm also and reenable after fw flashing is completed
and ppm is re-registered.

Signed-off-by: Ajay Gupta <ajayg@nvidia.com>
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20200217144913.55330-3-heikki.krogerus@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/usb/typec/ucsi/ucsi_ccg.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/usb/typec/ucsi/ucsi_ccg.c b/drivers/usb/typec/ucsi/ucsi_ccg.c
index a5b8530490dba..2658cda5da116 100644
--- a/drivers/usb/typec/ucsi/ucsi_ccg.c
+++ b/drivers/usb/typec/ucsi/ucsi_ccg.c
@@ -1219,6 +1219,7 @@ static int ccg_restart(struct ucsi_ccg *uc)
return status;
}

+ pm_runtime_enable(uc->dev);
return 0;
}

@@ -1234,6 +1235,7 @@ static void ccg_update_firmware(struct work_struct *work)

if (flash_mode != FLASH_NOT_NEEDED) {
ucsi_unregister(uc->ucsi);
+ pm_runtime_disable(uc->dev);
free_irq(uc->irq, uc);

ccg_fw_update(uc, flash_mode);
--
2.20.1