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From: Jim Quinlan <jim2101024@gmail.com>
To: linux-pci@vger.kernel.org,
	Nicolas Saenz Julienne <nsaenzjulienne@suse.de>,
	Rob Herring <robh@kernel.org>, Mark Brown <broonie@kernel.org>,
	bcm-kernel-feedback-list@broadcom.com, jim2101024@gmail.com,
	james.quinlan@broadcom.com
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
	Bjorn Helgaas <bhelgaas@google.com>,
	Florian Fainelli <f.fainelli@gmail.com>,
	Jim Quinlan <jquinlan@broadcom.com>,
	linux-rpi-kernel@lists.infradead.org (moderated list:BROADCOM
	BCM2711/BCM2835 ARM ARCHITECTURE),
	linux-arm-kernel@lists.infradead.org (moderated list:BROADCOM
	BCM2711/BCM2835 ARM ARCHITECTURE),
	linux-kernel@vger.kernel.org (open list)
Subject: [PATCH v4 1/6] PCI: brcmstb: Check return value of clk_prepare_enable()
Date: Thu,  1 Apr 2021 17:21:41 -0400	[thread overview]
Message-ID: <20210401212148.47033-2-jim2101024@gmail.com> (raw)
In-Reply-To: <20210401212148.47033-1-jim2101024@gmail.com>

Check for failure of clk_prepare_enable() on device resume.

Signed-off-by: Jim Quinlan <jim2101024@gmail.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Fixes: 8195b7417018 ("PCI: brcmstb: Add suspend and resume pm_ops")
---
 drivers/pci/controller/pcie-brcmstb.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/pci/controller/pcie-brcmstb.c b/drivers/pci/controller/pcie-brcmstb.c
index e330e6811f0b..4ce1f3a60574 100644
--- a/drivers/pci/controller/pcie-brcmstb.c
+++ b/drivers/pci/controller/pcie-brcmstb.c
@@ -1161,7 +1161,9 @@ static int brcm_pcie_resume(struct device *dev)
 	int ret;
 
 	base = pcie->base;
-	clk_prepare_enable(pcie->clk);
+	ret = clk_prepare_enable(pcie->clk);
+	if (ret)
+		return ret;
 
 	ret = brcm_phy_start(pcie);
 	if (ret)
-- 
2.17.1


  reply	other threads:[~2021-04-01 21:22 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-01 21:21 [PATCH v4 0/6] PCI: brcmstb: add slot0 device regulators and panic handler Jim Quinlan
2021-04-01 21:21 ` Jim Quinlan [this message]
2021-04-01 21:21 ` [PATCH v4 2/6] dt-bindings: PCI: Add bindings for Brcmstb endpoint device voltage regulators Jim Quinlan
2021-04-06 16:47   ` Mark Brown
2021-04-06 17:26     ` Jim Quinlan
2021-04-06 17:32       ` Mark Brown
2021-04-06 18:25         ` Jim Quinlan
2021-04-07 11:27           ` Mark Brown
2021-04-07 18:35             ` Florian Fainelli
2021-04-07 20:07               ` Mark Brown
2021-04-08 16:20           ` Rob Herring
2021-04-08 16:33             ` Mark Brown
2021-04-08 16:58             ` Jim Quinlan
2021-04-08 17:55               ` Rob Herring
2021-04-08 17:41     ` Rob Herring
2021-04-01 21:21 ` [PATCH v4 3/6] PCI: brcmstb: Add control of slot0 " Jim Quinlan
2021-04-06 16:34   ` Mark Brown
2021-04-06 16:59     ` Jim Quinlan
2021-04-06 17:23       ` Mark Brown
2021-04-06 17:29         ` Jim Quinlan
2021-04-01 21:21 ` [PATCH v4 4/6] PCI: brcmstb: Do not turn off regulators if EP can wake up Jim Quinlan
2021-04-01 21:21 ` [PATCH v4 5/6] PCI: brcmstb: Give 7216 SOCs their own config type Jim Quinlan
2021-04-01 21:21 ` [PATCH v4 6/6] PCI: brcmstb: Add panic/die handler to RC driver Jim Quinlan

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