From: Stefan Richter <stefanr@s5r6.in-berlin.de>
Date: Thu, 12 Jul 2007 20:24:19 +0000 (+0200)
Subject: firewire: fw-ohci: flush MMIO write before msleep
X-Git-Tag: Ubuntu-snapdragon-4.4.0-1050.54~39775
X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=362e901c65123e0e72a764fcbe6c3d6a2505c7a6;p=mirror_ubuntu-artful-kernel.git

firewire: fw-ohci: flush MMIO write before msleep

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
---

diff --git a/drivers/firewire/fw-ohci.c b/drivers/firewire/fw-ohci.c
index 41476abc0693..996c911c81a0 100644
--- a/drivers/firewire/fw-ohci.c
+++ b/drivers/firewire/fw-ohci.c
@@ -224,6 +224,7 @@ ohci_update_phy_reg(struct fw_card *card, int addr,
 	u32 val, old;
 
 	reg_write(ohci, OHCI1394_PhyControl, OHCI1394_PhyControl_Read(addr));
+	flush_writes(ohci);
 	msleep(2);
 	val = reg_read(ohci, OHCI1394_PhyControl);
 	if ((val & OHCI1394_PhyControl_ReadDone) == 0) {