linux-kernel - [PATCH] pcie AER: don't check

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Message-id: <200802022224.47400.yinghai.lu@sun.com>
Date:	Sat, 02 Feb 2008 22:24:47 -0800
From:	Yinghai Lu <Yinghai.Lu@....COM>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org, Len Brown <lenb@...nel.org>,
	greg@...ah.com
Subject: [PATCH] pcie AER: don't check _OSC when acpi is disabled

[PATCH] pcie AER: don't check _OSC when acpi is disabled

when acpi=off or pci=noacpi, get warning

AER service couldn't init device 0000:00:0a.0:pcie01 - no _OSC support
AER service couldn't init device 0000:00:0e.0:pcie01 - no _OSC support
AER service couldn't init device 0000:00:0f.0:pcie01 - no _OSC support
AER service couldn't init device 0000:80:0b.0:pcie01 - no _OSC support
AER service couldn't init device 0000:80:0e.0:pcie01 - no _OSC support
AER service couldn't init device 0000:80:0f.0:pcie01 - no _OSC support

so don't check _OSC in aer_osc_setup

Signed-off-by: Yinghai Lu <yinghai.lu@....com>

diff --git a/drivers/pci/pcie/aer/aerdrv_acpi.c b/drivers/pci/pcie/aer/aerdrv_acpi.c
index 8c199ae..7e53fa5 100644
--- a/drivers/pci/pcie/aer/aerdrv_acpi.c
+++ b/drivers/pci/pcie/aer/aerdrv_acpi.c
@@ -33,6 +33,9 @@ int aer_osc_setup(struct pcie_device *pciedev)
 	struct pci_dev *pdev = pciedev->port;
 	acpi_handle handle = 0;
 
+	if (acpi_pci_disabled)
+		return -1;
+
 	/* Find root host bridge */
 	while (pdev->bus && pdev->bus->self)
 		pdev = pdev->bus->self;
--
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