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path: root/drivers/scsi/esas2r/esas2r_disc.c
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Diffstat (limited to 'drivers/scsi/esas2r/esas2r_disc.c')
-rw-r--r--drivers/scsi/esas2r/esas2r_disc.c55
1 files changed, 25 insertions, 30 deletions
diff --git a/drivers/scsi/esas2r/esas2r_disc.c b/drivers/scsi/esas2r/esas2r_disc.c
index dec6c334ce3e..1c079f4300a5 100644
--- a/drivers/scsi/esas2r/esas2r_disc.c
+++ b/drivers/scsi/esas2r/esas2r_disc.c
@@ -86,9 +86,9 @@ void esas2r_disc_initialize(struct esas2r_adapter *a)
esas2r_trace_enter();
- esas2r_lock_clear_flags(&a->flags, AF_DISC_IN_PROG);
- esas2r_lock_clear_flags(&a->flags2, AF2_DEV_SCAN);
- esas2r_lock_clear_flags(&a->flags2, AF2_DEV_CNT_OK);
+ clear_bit(AF_DISC_IN_PROG, &a->flags);
+ clear_bit(AF2_DEV_SCAN, &a->flags2);
+ clear_bit(AF2_DEV_CNT_OK, &a->flags2);
a->disc_start_time = jiffies_to_msecs(jiffies);
a->disc_wait_time = nvr->dev_wait_time * 1000;
@@ -107,7 +107,8 @@ void esas2r_disc_initialize(struct esas2r_adapter *a)
a->general_req.interrupt_cx = NULL;
- if (a->flags & (AF_CHPRST_DETECTED | AF_POWER_MGT)) {
+ if (test_bit(AF_CHPRST_DETECTED, &a->flags) ||
+ test_bit(AF_POWER_MGT, &a->flags)) {
if (a->prev_dev_cnt == 0) {
/* Don't bother waiting if there is nothing to wait
* for.
@@ -212,9 +213,7 @@ void esas2r_disc_check_complete(struct esas2r_adapter *a)
|| a->disc_wait_cnt == 0)) {
/* After three seconds of waiting, schedule a scan. */
if (time >= 3000
- && !(esas2r_lock_set_flags(&a->flags2,
- AF2_DEV_SCAN) &
- ilog2(AF2_DEV_SCAN))) {
+ && !test_and_set_bit(AF2_DEV_SCAN, &a->flags2)) {
spin_lock_irqsave(&a->mem_lock, flags);
esas2r_disc_queue_event(a, DCDE_DEV_SCAN);
spin_unlock_irqrestore(&a->mem_lock, flags);
@@ -228,18 +227,14 @@ void esas2r_disc_check_complete(struct esas2r_adapter *a)
* We are done waiting...we think. Adjust the wait time to
* consume events after the count is met.
*/
- if (!(esas2r_lock_set_flags(&a->flags2, AF2_DEV_CNT_OK)
- & ilog2(AF2_DEV_CNT_OK)))
+ if (!test_and_set_bit(AF2_DEV_CNT_OK, &a->flags2))
a->disc_wait_time = time + 3000;
/* If we haven't done a full scan yet, do it now. */
- if (!(esas2r_lock_set_flags(&a->flags2,
- AF2_DEV_SCAN) &
- ilog2(AF2_DEV_SCAN))) {
+ if (!test_and_set_bit(AF2_DEV_SCAN, &a->flags2)) {
spin_lock_irqsave(&a->mem_lock, flags);
esas2r_disc_queue_event(a, DCDE_DEV_SCAN);
spin_unlock_irqrestore(&a->mem_lock, flags);
-
esas2r_trace_exit();
return;
}
@@ -253,9 +248,7 @@ void esas2r_disc_check_complete(struct esas2r_adapter *a)
return;
}
} else {
- if (!(esas2r_lock_set_flags(&a->flags2,
- AF2_DEV_SCAN) &
- ilog2(AF2_DEV_SCAN))) {
+ if (!test_and_set_bit(AF2_DEV_SCAN, &a->flags2)) {
spin_lock_irqsave(&a->mem_lock, flags);
esas2r_disc_queue_event(a, DCDE_DEV_SCAN);
spin_unlock_irqrestore(&a->mem_lock, flags);
@@ -265,8 +258,8 @@ void esas2r_disc_check_complete(struct esas2r_adapter *a)
/* We want to stop waiting for devices. */
a->disc_wait_time = 0;
- if ((a->flags & AF_DISC_POLLED)
- && (a->flags & AF_DISC_IN_PROG)) {
+ if (test_bit(AF_DISC_POLLED, &a->flags) &&
+ test_bit(AF_DISC_IN_PROG, &a->flags)) {
/*
* Polled discovery is still pending so continue the active
* discovery until it is done. At that point, we will stop
@@ -280,14 +273,14 @@ void esas2r_disc_check_complete(struct esas2r_adapter *a)
* driven; i.e. There is no transition.
*/
esas2r_disc_fix_curr_requests(a);
- esas2r_lock_clear_flags(&a->flags, AF_DISC_PENDING);
+ clear_bit(AF_DISC_PENDING, &a->flags);
/*
* We have deferred target state changes until now because we
* don't want to report any removals (due to the first arrival)
* until the device wait time expires.
*/
- esas2r_lock_set_flags(&a->flags, AF_PORT_CHANGE);
+ set_bit(AF_PORT_CHANGE, &a->flags);
}
esas2r_trace_exit();
@@ -308,7 +301,8 @@ void esas2r_disc_queue_event(struct esas2r_adapter *a, u8 disc_evt)
* Don't start discovery before or during polled discovery. if we did,
* we would have a deadlock if we are in the ISR already.
*/
- if (!(a->flags & (AF_CHPRST_PENDING | AF_DISC_POLLED)))
+ if (!test_bit(AF_CHPRST_PENDING, &a->flags) &&
+ !test_bit(AF_DISC_POLLED, &a->flags))
esas2r_disc_start_port(a);
esas2r_trace_exit();
@@ -322,7 +316,7 @@ bool esas2r_disc_start_port(struct esas2r_adapter *a)
esas2r_trace_enter();
- if (a->flags & AF_DISC_IN_PROG) {
+ if (test_bit(AF_DISC_IN_PROG, &a->flags)) {
esas2r_trace_exit();
return false;
@@ -330,7 +324,7 @@ bool esas2r_disc_start_port(struct esas2r_adapter *a)
/* If there is a discovery waiting, process it. */
if (dc->disc_evt) {
- if ((a->flags & AF_DISC_POLLED)
+ if (test_bit(AF_DISC_POLLED, &a->flags)
&& a->disc_wait_time == 0) {
/*
* We are doing polled discovery, but we no longer want
@@ -347,7 +341,7 @@ bool esas2r_disc_start_port(struct esas2r_adapter *a)
esas2r_hdebug("disc done");
- esas2r_lock_set_flags(&a->flags, AF_PORT_CHANGE);
+ set_bit(AF_PORT_CHANGE, &a->flags);
esas2r_trace_exit();
@@ -356,10 +350,10 @@ bool esas2r_disc_start_port(struct esas2r_adapter *a)
/* Handle the discovery context */
esas2r_trace("disc_evt: %d", dc->disc_evt);
- esas2r_lock_set_flags(&a->flags, AF_DISC_IN_PROG);
+ set_bit(AF_DISC_IN_PROG, &a->flags);
dc->flags = 0;
- if (a->flags & AF_DISC_POLLED)
+ if (test_bit(AF_DISC_POLLED, &a->flags))
dc->flags |= DCF_POLLED;
rq->interrupt_cx = dc;
@@ -379,7 +373,7 @@ bool esas2r_disc_start_port(struct esas2r_adapter *a)
}
/* Continue interrupt driven discovery */
- if (!(a->flags & AF_DISC_POLLED))
+ if (!test_bit(AF_DISC_POLLED, &a->flags))
ret = esas2r_disc_continue(a, rq);
else
ret = true;
@@ -453,10 +447,10 @@ static bool esas2r_disc_continue(struct esas2r_adapter *a,
/* Discovery is done...for now. */
rq->interrupt_cx = NULL;
- if (!(a->flags & AF_DISC_PENDING))
+ if (!test_bit(AF_DISC_PENDING, &a->flags))
esas2r_disc_fix_curr_requests(a);
- esas2r_lock_clear_flags(&a->flags, AF_DISC_IN_PROG);
+ clear_bit(AF_DISC_IN_PROG, &a->flags);
/* Start the next discovery. */
return esas2r_disc_start_port(a);
@@ -480,7 +474,8 @@ static bool esas2r_disc_start_request(struct esas2r_adapter *a,
spin_lock_irqsave(&a->queue_lock, flags);
- if (!(a->flags & (AF_CHPRST_PENDING | AF_FLASHING)))
+ if (!test_bit(AF_CHPRST_PENDING, &a->flags) &&
+ !test_bit(AF_FLASHING, &a->flags))
esas2r_disc_local_start_request(a, rq);
else
list_add_tail(&rq->req_list, &a->defer_list);
generated by cgit v1.2.3-58-ga151 (git 2.39.0) at 2024-12-21 06:01:48 +0000