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* [PATCH] PCI: rcar: Clean up PHY init on failure
@ 2018-05-25 18:33 Marek Vasut
  2018-05-25 19:27 ` Geert Uytterhoeven
                   ` (2 more replies)
  0 siblings, 3 replies; 5+ messages in thread
From: Marek Vasut @ 2018-05-25 18:33 UTC (permalink / raw)
  To: linux-pci
  Cc: Marek Vasut, Geert Uytterhoeven, Lorenzo Pieralisi, Phil Edworthy,
	Simon Horman, Wolfram Sang, linux-renesas-soc

If the Gen3 PHY fails to power up, the code does not undo the
initialization caused by phy_init(). Add the missing failure
handling to the rcar_pcie_phy_init_gen3() function.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Reported-by: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Phil Edworthy <phil.edworthy@renesas.com>
Cc: Simon Horman <horms+renesas@verge.net.au>
Cc: Wolfram Sang <wsa@the-dreams.de>
Cc: linux-renesas-soc@vger.kernel.org
Fixes: 517ca93a7159 ("PCI: rcar: Add R-Car gen3 PHY support")
---
 drivers/pci/host/pcie-rcar.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/pci/host/pcie-rcar.c b/drivers/pci/host/pcie-rcar.c
index 695781934f0a..477bf40cc031 100644
--- a/drivers/pci/host/pcie-rcar.c
+++ b/drivers/pci/host/pcie-rcar.c
@@ -678,7 +678,11 @@ static int rcar_pcie_phy_init_gen3(struct rcar_pcie *pcie)
 	if (err)
 		return err;
 
-	return phy_power_on(pcie->phy);
+	err = phy_power_on(pcie->phy);
+	if (err)
+		phy_exit(pcie->phy);
+
+	return err;
 }
 
 static int rcar_msi_alloc(struct rcar_msi *chip)
-- 
2.16.2

^ permalink raw reply related	[flat|nested] 5+ messages in thread

end of thread, other threads:[~2018-06-29 13:37 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2018-05-25 18:33 [PATCH] PCI: rcar: Clean up PHY init on failure Marek Vasut
2018-05-25 19:27 ` Geert Uytterhoeven
2018-05-28  9:33   ` Simon Horman
2018-05-26 10:05 ` Sergei Shtylyov
2018-06-29 13:39 ` Lorenzo Pieralisi

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