From: Dave Olson <[EMAIL PROTECTED]>
There was confused use between INFINIPATH_S_PIOBUFAVAILUPD (value)
and IPATH_S_PIOBUFAVAILUPD (bit position). Also, some callers of
ipath_cancel_sends() need kr_sendctrl restored, and some want to
do it later.
Signed-off-by: Dave Olson <[EMAIL PROTECTED]>
---
drivers/infiniband/hw/ipath/ipath_driver.c | 11 +++++++----
drivers/infiniband/hw/ipath/ipath_init_chip.c | 2 +-
drivers/infiniband/hw/ipath/ipath_intr.c | 6 +++---
drivers/infiniband/hw/ipath/ipath_kernel.h | 2 +-
4 files changed, 12 insertions(+), 9 deletions(-)
diff --git a/drivers/infiniband/hw/ipath/ipath_driver.c
b/drivers/infiniband/hw/ipath/ipath_driver.c
index 09c5fd8..6ccba36 100644
--- a/drivers/infiniband/hw/ipath/ipath_driver.c
+++ b/drivers/infiniband/hw/ipath/ipath_driver.c
@@ -740,7 +740,7 @@ void ipath_disarm_piobufs(struct ipath_devdata *dd,
unsigned first,
* pioavail updates to memory to stop.
*/
ipath_write_kreg(dd, dd->ipath_kregs->kr_sendctrl,
- sendorig & ~IPATH_S_PIOBUFAVAILUPD);
+ sendorig & ~INFINIPATH_S_PIOBUFAVAILUPD);
sendorig = ipath_read_kreg64(dd, dd->ipath_kregs->kr_scratch);
ipath_write_kreg(dd, dd->ipath_kregs->kr_sendctrl,
dd->ipath_sendctrl);
@@ -1614,7 +1614,7 @@ int ipath_waitfor_mdio_cmdready(struct ipath_devdata *dd)
* it's safer to always do it.
* PIOAvail bits are updated by the chip as if normal send had happened.
*/
-void ipath_cancel_sends(struct ipath_devdata *dd)
+void ipath_cancel_sends(struct ipath_devdata *dd, int restore_sendctrl)
{
ipath_dbg("Cancelling all in-progress send buffers\n");
dd->ipath_lastcancel = jiffies+HZ/2; /* skip armlaunch errs a bit */
@@ -1627,6 +1627,9 @@ void ipath_cancel_sends(struct ipath_devdata *dd)
ipath_read_kreg64(dd, dd->ipath_kregs->kr_scratch);
ipath_disarm_piobufs(dd, 0,
(unsigned)(dd->ipath_piobcnt2k + dd->ipath_piobcnt4k));
+ if (restore_sendctrl) /* else done by caller later */
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_sendctrl,
+ dd->ipath_sendctrl);
/* and again, be sure all have hit the chip */
ipath_read_kreg64(dd, dd->ipath_kregs->kr_scratch);
@@ -1655,7 +1658,7 @@ static void ipath_set_ib_lstate(struct ipath_devdata *dd,
int which)
/* flush all queued sends when going to DOWN or INIT, to be sure that
* they don't block MAD packets */
if (!linkcmd || linkcmd == INFINIPATH_IBCC_LINKCMD_INIT)
- ipath_cancel_sends(dd);
+ ipath_cancel_sends(dd, 1);
ipath_write_kreg(dd, dd->ipath_kregs->kr_ibcctrl,
dd->ipath_ibcctrl | which);
@@ -2000,7 +2003,7 @@ void ipath_shutdown_device(struct ipath_devdata *dd)
ipath_set_ib_lstate(dd, INFINIPATH_IBCC_LINKINITCMD_DISABLE <<
INFINIPATH_IBCC_LINKINITCMD_SHIFT);
- ipath_cancel_sends(dd);
+ ipath_cancel_sends(dd, 0);
/* disable IBC */
dd->ipath_control &= ~INFINIPATH_C_LINKENABLE;
diff --git a/drivers/infiniband/hw/ipath/ipath_init_chip.c
b/drivers/infiniband/hw/ipath/ipath_init_chip.c
index 49951d5..71e6c9d 100644
--- a/drivers/infiniband/hw/ipath/ipath_init_chip.c
+++ b/drivers/infiniband/hw/ipath/ipath_init_chip.c
@@ -782,7 +782,7 @@ int ipath_init_chip(struct ipath_devdata *dd, int reinit)
* Follows early_init because some chips have to initialize
* PIO buffers in early_init to avoid false parity errors.
*/
- ipath_cancel_sends(dd);
+ ipath_cancel_sends(dd, 0);
/* early_init sets rcvhdrentsize and rcvhdrsize, so this must be
* done after early_init */
diff --git a/drivers/infiniband/hw/ipath/ipath_intr.c
b/drivers/infiniband/hw/ipath/ipath_intr.c
index 9b03154..a5b3e7e 100644
--- a/drivers/infiniband/hw/ipath/ipath_intr.c
+++ b/drivers/infiniband/hw/ipath/ipath_intr.c
@@ -303,7 +303,7 @@ static void handle_e_ibstatuschanged(struct ipath_devdata
*dd,
* Flush all queued sends when link went to DOWN or INIT,
* to be sure that they don't block SMA and other MAD packets
*/
- ipath_cancel_sends(dd);
+ ipath_cancel_sends(dd, 1);
}
else if (lstate == IPATH_IBSTATE_INIT || lstate == IPATH_IBSTATE_ARM ||
lstate == IPATH_IBSTATE_ACTIVE) {
@@ -799,13 +799,13 @@ void ipath_clear_freeze(struct ipath_devdata *dd)
* therefore would not be sent, and eventually
* might cause the process to run out of bufs
*/
- ipath_cancel_sends(dd);
+ ipath_cancel_sends(dd, 0);
ipath_write_kreg(dd, dd->ipath_kregs->kr_control,
dd->ipath_control);
/* ensure pio avail updates continue */
ipath_write_kreg(dd, dd->ipath_kregs->kr_sendctrl,
- dd->ipath_sendctrl & ~IPATH_S_PIOBUFAVAILUPD);
+ dd->ipath_sendctrl & ~INFINIPATH_S_PIOBUFAVAILUPD);
ipath_read_kreg64(dd, dd->ipath_kregs->kr_scratch);
ipath_write_kreg(dd, dd->ipath_kregs->kr_sendctrl,
dd->ipath_sendctrl);
diff --git a/drivers/infiniband/hw/ipath/ipath_kernel.h
b/drivers/infiniband/hw/ipath/ipath_kernel.h
index ace63ef..ef77329 100644
--- a/drivers/infiniband/hw/ipath/ipath_kernel.h
+++ b/drivers/infiniband/hw/ipath/ipath_kernel.h
@@ -683,7 +683,7 @@ int ipath_unordered_wc(void);
void ipath_disarm_piobufs(struct ipath_devdata *, unsigned first,
unsigned cnt);
-void ipath_cancel_sends(struct ipath_devdata *);
+void ipath_cancel_sends(struct ipath_devdata *, int);
int ipath_create_rcvhdrq(struct ipath_devdata *, struct ipath_portdata *);
void ipath_free_pddata(struct ipath_devdata *, struct ipath_portdata *);
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