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 41476ab..996c911 100644
--- a/drivers/firewire/fw-ohci.c
+++ b/drivers/firewire/fw-ohci.c
@@ -224,6 +224,7 @@
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) {