From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Ajay Gupta <ajayg@nvidia.com>,
Heikki Krogerus <heikki.krogerus@linux.intel.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Sasha Levin <sashal@kernel.org>,
linux-usb@vger.kernel.org
Subject: [PATCH AUTOSEL 5.5 03/56] usb: ucsi: ccg: disable runtime pm during fw flashing
Date: Thu, 9 Apr 2020 23:47:07 -0400 [thread overview]
Message-ID: <20200410034800.8381-3-sashal@kernel.org> (raw)
In-Reply-To: <20200410034800.8381-1-sashal@kernel.org>
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 3370b3fc37b10..bd374cea3ba6c 100644
--- a/drivers/usb/typec/ucsi/ucsi_ccg.c
+++ b/drivers/usb/typec/ucsi/ucsi_ccg.c
@@ -1032,6 +1032,7 @@ static int ccg_restart(struct ucsi_ccg *uc)
return status;
}
+ pm_runtime_enable(uc->dev);
return 0;
}
@@ -1047,6 +1048,7 @@ 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
next parent reply other threads:[~2020-04-10 4:00 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20200410034800.8381-1-sashal@kernel.org>
2020-04-10 3:47 ` Sasha Levin [this message]
2020-04-10 3:47 ` [PATCH AUTOSEL 5.5 16/56] xhci: bail out early if driver can't accress host in resume Sasha Levin
2020-04-10 3:47 ` [PATCH AUTOSEL 5.5 45/56] usb: dwc3: core: add support for disabling SS instances in park mode Sasha Levin
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