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Groups > linux.kernel > #1191769

[PATCH v2 1/3] PCI: host: pci-dra7xx: Disable pm_runtime on get_sync failure

From Kishon Vijay Abraham I <kishon@ti.com>
Newsgroups linux.kernel
Subject [PATCH v2 1/3] PCI: host: pci-dra7xx: Disable pm_runtime on get_sync failure
Date 2015-07-24 14:00 +0200
Message-ID <pPJNW-4T4-31@gated-at.bofh.it> (permalink)
References <pPJNV-4T4-9@gated-at.bofh.it>
Organization linux.* mail to news gateway

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Fix the error handling code in case pm_runtime_get_sync fails. Now
when pm_runtime_get_sync fails pm_runtime_disable is invoked so that
there is no unbalanced pm_runtime_enable calls.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
---
 drivers/pci/host/pci-dra7xx.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/pci/host/pci-dra7xx.c b/drivers/pci/host/pci-dra7xx.c
index 80db09e..d8b6d66 100644
--- a/drivers/pci/host/pci-dra7xx.c
+++ b/drivers/pci/host/pci-dra7xx.c
@@ -384,7 +384,7 @@ static int __init dra7xx_pcie_probe(struct platform_device *pdev)
 	ret = pm_runtime_get_sync(dev);
 	if (IS_ERR_VALUE(ret)) {
 		dev_err(dev, "pm_runtime_get_sync failed\n");
-		goto err_phy;
+		goto err_get_sync;
 	}
 
 	reg = dra7xx_pcie_readl(dra7xx, PCIECTRL_DRA7XX_CONF_DEVICE_CMD);
@@ -401,6 +401,8 @@ static int __init dra7xx_pcie_probe(struct platform_device *pdev)
 
 err_add_port:
 	pm_runtime_put(dev);
+
+err_get_sync:
 	pm_runtime_disable(dev);
 
 err_phy:
-- 
1.7.9.5

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Thread

[PATCH v2 0/3] dra7xx: Add PM support to PCIe Kishon Vijay Abraham I <kishon@ti.com> - 2015-07-24 14:00 +0200
  [PATCH v2 2/3] PCI: host: pci-dra7xx: add pm support to pci dra7xx Kishon Vijay Abraham I <kishon@ti.com> - 2015-07-24 14:00 +0200
  [PATCH v2 3/3] PCI: host: pci-dra7xx: Idle the module by disabling MSE bit Kishon Vijay Abraham I <kishon@ti.com> - 2015-07-24 14:00 +0200
  [PATCH v2 1/3] PCI: host: pci-dra7xx: Disable pm_runtime on get_sync failure Kishon Vijay Abraham I <kishon@ti.com> - 2015-07-24 14:00 +0200

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