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pcmcia: move unbind/rebind into dev_pm_ops.complete

PATCH Superseded Christian Lamparter 2 participants 4 messages Mar 3, 2012 – Mar 30, 2012 Pcmcia

v1 of 2 Superseded Latest is v2 →

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#0 lore raw

PATCH 2/6 pcmcia: move unbind/rebind into dev_pm_ops.complete

The idea of moving rebind procedure into pm.complete was taken from the usb-subsystem, which has similar problems with reattaching devices during/after resume.

---
Note: I'm not on the list; please keep the 'CC' if you have something to say :).

Regards,
Chr

---
 drivers/pcmcia/cs.c |   22 ++++++++++++++++++----
 1 files changed, 18 insertions(+), 4 deletions(-)
drivers/pcmcia/cs.c +18 -4
index d9ea192..503596f 100644
@@ -512,6 +512,13 @@ static int socket_late_resume(struct pcmcia_socket *skt)
 		return socket_insert(skt);
 	}
 
+	if (!(skt->state & SOCKET_CARDBUS) && (skt->callback))
+		skt->callback->early_resume(skt);
+	return 0;
+}
+
+static int socket_complete_resume(struct pcmcia_socket *skt)
+{
 #ifdef CONFIG_CARDBUS
 	if (skt->state & SOCKET_CARDBUS) {
 		/* We can't be sure the CardBus card is the same
@@ -519,11 +526,8 @@ static int socket_late_resume(struct pcmcia_socket *skt)
 		 * and re-add... */
 		cb_free(skt);
 		cb_alloc(skt);
-		return 0;
 	}
 #endif
-	if (!(skt->state & SOCKET_CARDBUS) && (skt->callback))
-		skt->callback->early_resume(skt);
 	return 0;
 }
 
@@ -534,11 +538,15 @@ static int socket_late_resume(struct pcmcia_socket *skt)
  */
 static int socket_resume(struct pcmcia_socket *skt)
 {
+	int err;
 	if (!(skt->state & SOCKET_SUSPEND))
 		return -EBUSY;
 
 	socket_early_resume(skt);
-	return socket_late_resume(skt);
+	err = socket_late_resume(skt);
+	if (!err)
+		socket_complete_resume(skt);
+	return err;
 }
 
 static void socket_remove(struct pcmcia_socket *skt)
@@ -849,6 +857,11 @@ static int __used pcmcia_socket_dev_resume(struct device *dev)
 	return __pcmcia_pm_op(dev, socket_late_resume);
 }
 
+static void __used pcmcia_socket_dev_complete(struct device *dev)
+{
+	__pcmcia_pm_op(dev, socket_complete_resume);
+}
+
 static const struct dev_pm_ops pcmcia_socket_pm_ops = {
 	/* dev_resume may be called with IRQs enabled */
 	SET_SYSTEM_SLEEP_PM_OPS(NULL,
@@ -863,6 +876,7 @@ static const struct dev_pm_ops pcmcia_socket_pm_ops = {
 	.resume_noirq = pcmcia_socket_dev_resume_noirq,
 	.thaw_noirq = pcmcia_socket_dev_resume_noirq,
 	.restore_noirq = pcmcia_socket_dev_resume_noirq,
+	.complete = pcmcia_socket_dev_complete,
 };
 
 #define PCMCIA_SOCKET_CLASS_PM_OPS (&pcmcia_socket_pm_ops)
Signature · 1 line
1.7.9.1
#1 lore raw

This is patch 2/6 of which series? Does this depend upon other patches which are not yet in mainline?

Best,
Dominik

Quoted 91 lines · Christian Lamparter

The idea of moving rebind procedure into pm.complete was taken from the usb-subsystem, which has similar problems with reattaching devices during/after resume.

---
Note: I'm not on the list; please keep the 'CC' if you have something to say :).

Regards,
Chr

---
 drivers/pcmcia/cs.c |   22 ++++++++++++++++++----
 1 files changed, 18 insertions(+), 4 deletions(-)
drivers/pcmcia/cs.c +18 -4
index d9ea192..503596f 100644
@@ -512,6 +512,13 @@ static int socket_late_resume(struct pcmcia_socket *skt)
 		return socket_insert(skt);
 	}
 
+	if (!(skt->state & SOCKET_CARDBUS) && (skt->callback))
+		skt->callback->early_resume(skt);
+	return 0;
+}
+
+static int socket_complete_resume(struct pcmcia_socket *skt)
+{
 #ifdef CONFIG_CARDBUS
 	if (skt->state & SOCKET_CARDBUS) {
 		/* We can't be sure the CardBus card is the same
@@ -519,11 +526,8 @@ static int socket_late_resume(struct pcmcia_socket *skt)
 		 * and re-add... */
 		cb_free(skt);
 		cb_alloc(skt);
-		return 0;
 	}
 #endif
-	if (!(skt->state & SOCKET_CARDBUS) && (skt->callback))
-		skt->callback->early_resume(skt);
 	return 0;
 }
 
@@ -534,11 +538,15 @@ static int socket_late_resume(struct pcmcia_socket *skt)
  */
 static int socket_resume(struct pcmcia_socket *skt)
 {
+	int err;
 	if (!(skt->state & SOCKET_SUSPEND))
 		return -EBUSY;
 
 	socket_early_resume(skt);
-	return socket_late_resume(skt);
+	err = socket_late_resume(skt);
+	if (!err)
+		socket_complete_resume(skt);
+	return err;
 }
 
 static void socket_remove(struct pcmcia_socket *skt)
@@ -849,6 +857,11 @@ static int __used pcmcia_socket_dev_resume(struct device *dev)
 	return __pcmcia_pm_op(dev, socket_late_resume);
 }
 
+static void __used pcmcia_socket_dev_complete(struct device *dev)
+{
+	__pcmcia_pm_op(dev, socket_complete_resume);
+}
+
 static const struct dev_pm_ops pcmcia_socket_pm_ops = {
 	/* dev_resume may be called with IRQs enabled */
 	SET_SYSTEM_SLEEP_PM_OPS(NULL,
@@ -863,6 +876,7 @@ static const struct dev_pm_ops pcmcia_socket_pm_ops = {
 	.resume_noirq = pcmcia_socket_dev_resume_noirq,
 	.thaw_noirq = pcmcia_socket_dev_resume_noirq,
 	.restore_noirq = pcmcia_socket_dev_resume_noirq,
+	.complete = pcmcia_socket_dev_complete,
 };
 
 #define PCMCIA_SOCKET_CLASS_PM_OPS (&pcmcia_socket_pm_ops)
Signature · 7 lines
1.7.9.1

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#2 lore raw
Quoted 2 lines · On Saturday 03 March 2012 23:01:17 Dominik Brodowski wrote:

This is patch 2/6 of which series? Does this depend upon other patches which are not yet in mainline?

please ignore the 2/6. I just haven't used git format-patch for a while ;).

But if you want to know, the other patches are not directly related to pcmcia.

"[RFC] firmware loader: retry _nowait requests when userhelper is not yet "
https://lkml.org/lkml/2012/3/3/102

[PATCH 1/2] p54: pass interface setup errors back to mac80211
http://marc.info/?l=linux-wireless&m=133080632610608

[PATCH 2/2] p54pci: use new driver.pm interface for suspend/resume
http://marc.info/?l=linux-wireless&m=133080636210610

[RFT 1/2] p54pci: convert driver to use asynchronous firmware loading
http://marc.info/?l=linux-wireless&m=133080766810882

[RFT 2/2] p54: only unregister ieee80211_hw when it has been registered
http://marc.info/?l=linux-wireless&m=133080767110883

Regards,
Christian

#3 lore raw
In reply to Dominik Brodowski

[keep cc]

Quoted 5 lines · On Saturday 03 March 2012 23:01:17 Dominik Brodowski wrote:

This is patch 2/6 of which series? Does this depend upon other patches which are not yet in mainline?

Best,
Dominik

Any news? Has somebody already queued the patch or has any comments? I would like to get this fixed so I can move on with p54.

Regards,
Christian