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 v3 6/6] PCI: brcmstb: Check return value of clk_prepare_enable()
Date: Fri, 26 Mar 2021 15:19:04 -0400 [thread overview]
Message-ID: <20210326191906.43567-7-jim2101024@gmail.com> (raw)
In-Reply-To: <20210326191906.43567-1-jim2101024@gmail.com>
The check was missing on PCIe 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 | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/pci/controller/pcie-brcmstb.c b/drivers/pci/controller/pcie-brcmstb.c
index 2d9288399014..f6d9d785b301 100644
--- a/drivers/pci/controller/pcie-brcmstb.c
+++ b/drivers/pci/controller/pcie-brcmstb.c
@@ -1396,7 +1396,9 @@ 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_set_regulators(pcie, TURN_ON);
if (ret)
@@ -1535,7 +1537,9 @@ static int brcm_pcie_probe(struct platform_device *pdev)
ret = brcm_pcie_get_regulators(pcie);
if (ret) {
- dev_err(pcie->dev, "failed to get regulators (err=%d)\n", ret);
+ pcie->num_supplies = 0;
+ if (ret != -EPROBE_DEFER)
+ dev_err(pcie->dev, "failed to get regulators (err=%d)\n", ret);
goto fail;
}
--
2.17.1
next prev parent reply other threads:[~2021-03-26 19:20 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-26 19:18 [PATCH v3 0/6] PCI: brcmstb: add EP regulators and panic handler Jim Quinlan
2021-03-26 19:18 ` [PATCH v3 1/6] dt-bindings: PCI: Add bindings for Brcmstb EP voltage regulators Jim Quinlan
2021-03-27 15:58 ` Rob Herring
2021-03-30 15:08 ` Rob Herring
2021-03-30 15:30 ` Mark Brown
2021-03-30 16:23 ` Jim Quinlan
2021-03-31 11:46 ` Mark Brown
2021-03-26 19:19 ` [PATCH v3 2/6] PCI: brcmstb: Add control of " Jim Quinlan
2021-03-26 20:11 ` Bjorn Helgaas
2021-03-27 22:20 ` Jim Quinlan
2021-03-29 16:19 ` Mark Brown
2021-03-29 16:25 ` Mark Brown
2021-03-29 16:39 ` Jim Quinlan
2021-03-29 17:16 ` Mark Brown
2021-03-29 19:48 ` Jim Quinlan
2021-03-29 20:45 ` Mark Brown
2021-03-29 21:09 ` Florian Fainelli
2021-03-29 21:31 ` Mark Brown
2021-03-26 19:19 ` [PATCH v3 3/6] PCI: brcmstb: Do not turn off regulators if EP can wake up Jim Quinlan
2021-03-26 20:17 ` Bjorn Helgaas
2021-03-26 19:19 ` [PATCH v3 4/6] PCI: brcmstb: Give 7216 SOCs their own config type Jim Quinlan
2021-03-26 19:19 ` [PATCH v3 5/6] PCI: brcmstb: Add panic/die handler to RC driver Jim Quinlan
2021-03-26 19:19 ` Jim Quinlan [this message]
2021-03-26 20:31 ` [PATCH v3 6/6] PCI: brcmstb: Check return value of clk_prepare_enable() Bjorn Helgaas
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