From: Kevin.xie <kevin.xie@starfivetech.com>
Date: Tue, 21 Feb 2023 03:18:51 +0000 (+0800)
Subject: drivers: pci: Fix crash in rt-linux because of an uninitialized lock.
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=9edf6749fde8ff981e4b4547d97e70163963d128;p=platform%2Fkernel%2Flinux-starfive.git

drivers: pci: Fix crash in rt-linux because of an uninitialized lock.

Adjust the order of invocations in probe to avoid from the crash.

Signed-off-by: Kevin.xie <kevin.xie@starfivetech.com>
---

diff --git a/drivers/pci/controller/pcie-plda.c b/drivers/pci/controller/pcie-plda.c
index 8fb1cb6..4013856 100644
--- a/drivers/pci/controller/pcie-plda.c
+++ b/drivers/pci/controller/pcie-plda.c
@@ -983,12 +983,6 @@ static int plda_pcie_probe(struct platform_device *pdev)
 	if (plda_pcie_is_link_up(pcie) == PLDA_LINK_DOWN)
 		goto release;
 
-	ret = pci_host_probe(bridge);
-	if (ret < 0) {
-		dev_err(&pdev->dev, "Failed to pci host probe: %d\n", ret);
-		goto release;
-	}
-
 	if (IS_ENABLED(CONFIG_PCI_MSI)) {
 		ret = plda_pcie_enable_msi(pcie, bus);
 		if (ret < 0) {
@@ -997,6 +991,12 @@ static int plda_pcie_probe(struct platform_device *pdev)
 		}
 	}
 
+	ret = pci_host_probe(bridge);
+	if (ret < 0) {
+		dev_err(&pdev->dev, "Failed to pci host probe: %d\n", ret);
+		goto release;
+	}
+
 exit:
 	return ret;