From: Ming Lei <tom.leiming@gmail.com>
Date: Wed, 16 Jul 2008 14:54:30 +0000 (+0800)
Subject: PCI: remove unnecessary volatile in PCIe hotplug struct controller
X-Git-Tag: archive/raspbian/4.9.13-1+rpi1~10^2~28030^2~1
X-Git-Url: https://dgit.raspbian.org/%22http:/www.example.com/cgi/%22https:/%22bookmarks:///%22http:/www.example.com/cgi/%22https:/%22bookmarks:/?a=commitdiff_plain;h=9fce1bc956c21dfe0f46be028f18c4d5057f2bd7;p=linux-4.9.git

PCI: remove unnecessary volatile in PCIe hotplug struct controller

Proper memory barriers have been added to order accesses
to ->cmd_busy, so volatile declaration for cmd_busy can
be removed.

Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---

diff --git a/drivers/pci/hotplug/pciehp.h b/drivers/pci/hotplug/pciehp.h
index d17233ae06f5..e3a1e7e7dba2 100644
--- a/drivers/pci/hotplug/pciehp.h
+++ b/drivers/pci/hotplug/pciehp.h
@@ -97,7 +97,7 @@ struct controller {
 	u32 slot_cap;
 	u8 cap_base;
 	struct timer_list poll_timer;
-	volatile int cmd_busy;
+	int cmd_busy;
 	unsigned int no_cmd_complete:1;
 };