firewire: fw-ohci: flush MMIO write before msleep

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

firewire: fw-ohci: flush MMIO write before msleep
Signed-off-by: N Stefan Richter <stefanr@s5r6.in-berlin.de>
362e901c · Stefan Richter · 5bae7ac9 · 362e901c
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drivers/firewire/fw-ohci.c drivers/firewire/fw-ohci.c +1 -0

未找到文件。
--- 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) {