From: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Date: Fri, 20 Jun 2008 03:05:12 +0000 (+0900)
Subject: pciehp: change command polling frequency
X-Git-Tag: v2.6.27-rc1~1046^2~30
X-Git-Url: http://www.pilppa.org/gitweb/gitweb.cgi?a=commitdiff_plain;h=66618bad123494beb30c0d590460e972e5b0977e;p=linux-2.6-omap-h63xx.git

pciehp: change command polling frequency

Change command polling frequency to 100Hz from 10Hz in order to reduce
the delay in the common case of a command completing quickly.

Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---

diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c
index 36ea9499e38..5ef4baecac7 100644
--- a/drivers/pci/hotplug/pciehp_hpc.c
+++ b/drivers/pci/hotplug/pciehp_hpc.c
@@ -259,8 +259,8 @@ static inline int pcie_poll_cmd(struct controller *ctrl)
 		}
 	}
 	while (timeout > 1000) {
-		msleep(100);
-		timeout -= 100;
+		msleep(10);
+		timeout -= 10;
 		if (!pciehp_readw(ctrl, SLOTSTATUS, &slot_status)) {
 			if (slot_status & CMD_COMPLETED) {
 				pciehp_writew(ctrl, SLOTSTATUS, CMD_COMPLETED);