PCI: tegra: Fix return value check of pm_runtime_get_sync()

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commit 8851991484 upstream.

pm_runtime_get_sync() returns the device's usage counter. This might
be >0 if the device is already powered up or CONFIG_PM is disabled.

Abort probe function on real error only.

Fixes: da76ba5096 ("PCI: tegra: Add power management support")
Link: https://lore.kernel.org/r/20191216111825.28136-1-david.engraf@sysgo.com
Signed-off-by: David Engraf <david.engraf@sysgo.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Andrew Murray <andrew.murray@arm.com>
Cc: stable@vger.kernel.org	# v4.17+
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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David Engraf 2019-12-16 12:18:25 +01:00 • committed by Greg Kroah-Hartman

parent d224605733

commit 01705a8d41

1 changed files with 1 additions and 1 deletions

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drivers/pci/controller/pci-tegra.c

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