rtlwifi: Use write barrier when assigning ownership
Make sure all updates to a descriptor are flushed to memory before assigning ownship to hardware. Signed-off-by: Mike McCormack <mikem@ring3k.org> Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
parent
febc9fe538
commit
71352b2318
|
@ -930,6 +930,7 @@ void rtl92ce_set_desc(u8 *pdesc, bool istx, u8 desc_name, u8 *val)
|
|||
if (istx == true) {
|
||||
switch (desc_name) {
|
||||
case HW_DESC_OWN:
|
||||
wmb();
|
||||
SET_TX_DESC_OWN(pdesc, 1);
|
||||
break;
|
||||
case HW_DESC_TX_NEXTDESC_ADDR:
|
||||
|
@ -943,6 +944,7 @@ void rtl92ce_set_desc(u8 *pdesc, bool istx, u8 desc_name, u8 *val)
|
|||
} else {
|
||||
switch (desc_name) {
|
||||
case HW_DESC_RXOWN:
|
||||
wmb();
|
||||
SET_RX_DESC_OWN(pdesc, 1);
|
||||
break;
|
||||
case HW_DESC_RXBUFF_ADDR:
|
||||
|
|
Loading…
Reference in New Issue