[PATCH 4.9 075/191] usb/xhci-plat: Set PM runtime as active on resume

Sasha Levin sashal at kernel.org
Mon Jun 29 11:38:11 EDT 2020


From: Qais Yousef <qais.yousef at arm.com>

[ Upstream commit 79112cc3c29f4a8c73a21428fbcbcb0afb005e3e ]

Follow suit of ohci-platform.c and perform pm_runtime_set_active() on
resume.

ohci-platform.c had a warning reported due to the missing
pm_runtime_set_active() [1].

[1] https://lore.kernel.org/lkml/20200323143857.db5zphxhq4hz3hmd@e107158-lin.cambridge.arm.com/

Signed-off-by: Qais Yousef <qais.yousef at arm.com>
CC: Tony Prisk <linux at prisktech.co.nz>
CC: Greg Kroah-Hartman <gregkh at linuxfoundation.org>
CC: Mathias Nyman <mathias.nyman at intel.com>
CC: Oliver Neukum <oneukum at suse.de>
CC: linux-arm-kernel at lists.infradead.org
CC: linux-usb at vger.kernel.org
CC: linux-kernel at vger.kernel.org
Link: https://lore.kernel.org/r/20200518154931.6144-2-qais.yousef@arm.com
Signed-off-by: Greg Kroah-Hartman <gregkh at linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal at kernel.org>
---
 drivers/usb/host/xhci-plat.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c
index 781283a5138ea..169d7b2feb1f7 100644
--- a/drivers/usb/host/xhci-plat.c
+++ b/drivers/usb/host/xhci-plat.c
@@ -313,8 +313,17 @@ static int xhci_plat_resume(struct device *dev)
 {
 	struct usb_hcd	*hcd = dev_get_drvdata(dev);
 	struct xhci_hcd	*xhci = hcd_to_xhci(hcd);
+	int ret;
+
+	ret = xhci_resume(xhci, 0);
+	if (ret)
+		return ret;
+
+	pm_runtime_disable(dev);
+	pm_runtime_set_active(dev);
+	pm_runtime_enable(dev);
 
-	return xhci_resume(xhci, 0);
+	return 0;
 }
 
 static const struct dev_pm_ops xhci_plat_pm_ops = {
-- 
2.25.1




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