| Message ID | 20220401133854.10421-3-johan+linaro@kernel.org (mailing list archive) |
|---|---|
| State | Not Applicable |
| Headers | show |
| Series | PCI: qcom: Fix probe error paths | expand |
On Fri, Apr 01, 2022 at 03:38:54PM +0200, Johan Hovold wrote: > Make sure to undo the PHY initialisation (e.g. balance runtime PM) in > case host initialisation fails during probe. > > Fixes: 82a823833f4e ("PCI: qcom: Add Qualcomm PCIe controller driver") > Cc: stable@vger.kernel.org # 4.5 > Cc: Stanimir Varbanov <svarbanov@mm-sol.com> > Signed-off-by: Johan Hovold <johan+linaro@kernel.org> Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Thanks, Mani > --- > drivers/pci/controller/dwc/pcie-qcom.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/drivers/pci/controller/dwc/pcie-qcom.c b/drivers/pci/controller/dwc/pcie-qcom.c > index 0b0bd71f1bd2..df47986bda29 100644 > --- a/drivers/pci/controller/dwc/pcie-qcom.c > +++ b/drivers/pci/controller/dwc/pcie-qcom.c > @@ -1624,11 +1624,13 @@ static int qcom_pcie_probe(struct platform_device *pdev) > ret = dw_pcie_host_init(pp); > if (ret) { > dev_err(dev, "cannot initialize host\n"); > - goto err_pm_runtime_put; > + goto err_phy_exit; > } > > return 0; > > +err_phy_exit: > + phy_exit(pcie->phy); > err_pm_runtime_put: > pm_runtime_put(dev); > pm_runtime_disable(dev); > -- > 2.35.1 >
diff --git a/drivers/pci/controller/dwc/pcie-qcom.c b/drivers/pci/controller/dwc/pcie-qcom.c index 0b0bd71f1bd2..df47986bda29 100644 --- a/drivers/pci/controller/dwc/pcie-qcom.c +++ b/drivers/pci/controller/dwc/pcie-qcom.c @@ -1624,11 +1624,13 @@ static int qcom_pcie_probe(struct platform_device *pdev) ret = dw_pcie_host_init(pp); if (ret) { dev_err(dev, "cannot initialize host\n"); - goto err_pm_runtime_put; + goto err_phy_exit; } return 0; +err_phy_exit: + phy_exit(pcie->phy); err_pm_runtime_put: pm_runtime_put(dev); pm_runtime_disable(dev);
Make sure to undo the PHY initialisation (e.g. balance runtime PM) in case host initialisation fails during probe. Fixes: 82a823833f4e ("PCI: qcom: Add Qualcomm PCIe controller driver") Cc: stable@vger.kernel.org # 4.5 Cc: Stanimir Varbanov <svarbanov@mm-sol.com> Signed-off-by: Johan Hovold <johan+linaro@kernel.org> --- drivers/pci/controller/dwc/pcie-qcom.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)