>From 9f2f3bbdf65f669e091c72b9648a4a0394ce28f5 Mon Sep 17 00:00:00 2001
From: Feng Tang <feng.t...@intel.com>
Date: Thu, 23 Aug 2012 14:55:48 +0800
Subject: [PATCH 2/2] PCI: Remove the obsolete no_pci_devices() check
In function pci_get_subsys() there is a check:
/*
* pci_find_subsys() can be called on the ide_setup() path,
* super-early in boot. But the down_read() will enable local
* interrupts, which can cause some machines to crash. So here we
* detect and flag that situation and bail out early.
*/
if (unlikely(no_pci_devices()))
return NULL;
But there is no ide_setup() now, and no down_read() either, which
makes the check absolete. So remove it.
Signed-off-by: Feng Tang <feng.t...@intel.com>
Cc: Andrew Morton <a...@linux-foundation.org>
Cc: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
drivers/pci/search.c | 9 ---------
1 files changed, 0 insertions(+), 9 deletions(-)
diff --git a/drivers/pci/search.c b/drivers/pci/search.c
index 78a08b1..e6e604f 100644
--- a/drivers/pci/search.c
+++ b/drivers/pci/search.c
@@ -247,15 +247,6 @@ struct pci_dev *pci_get_subsys(unsigned int vendor,
unsigned int device,
{
struct pci_device_id id;
- /*
- * pci_find_subsys() can be called on the ide_setup() path,
- * super-early in boot. But the down_read() will enable local
- * interrupts, which can cause some machines to crash. So here we
- * detect and flag that situation and bail out early.
- */
- if (unlikely(no_pci_devices()))
- return NULL;
-
id.vendor = vendor;
id.device = device;
id.subvendor = ss_vendor;
--
1.7.1
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