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authorDominik Brodowski <linux@dominikbrodowski.net>2010-05-03 09:10:09 -0400
committerDominik Brodowski <linux@dominikbrodowski.net>2010-05-04 16:15:34 -0400
commit43821242078aeced1d576b4b54d7b4a9bd76ec05 (patch)
treebaad758e9d724e4b8b76af38fab5de96d2cde7a0
parentcc83b08fc791045ac197e6f4a030599bcd7100c5 (diff)
pcmcia: order userspace suspend and resume requests
Assert that userspace suspend and resume requests appearing (almost) immediately are executed in the following order: suspend, resume. This should result in "pccardctl reset" behaving the same as before. Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
-rw-r--r--drivers/pcmcia/cs.c16
1 files changed, 9 insertions, 7 deletions
diff --git a/drivers/pcmcia/cs.c b/drivers/pcmcia/cs.c
index 75ed866e6953..c3383750e333 100644
--- a/drivers/pcmcia/cs.c
+++ b/drivers/pcmcia/cs.c
@@ -671,20 +671,22 @@ static int pccardd(void *__skt)
671 socket_remove(skt); 671 socket_remove(skt);
672 if (sysfs_events & PCMCIA_UEVENT_INSERT) 672 if (sysfs_events & PCMCIA_UEVENT_INSERT)
673 socket_insert(skt); 673 socket_insert(skt);
674 if ((sysfs_events & PCMCIA_UEVENT_RESUME) &&
675 !(skt->state & SOCKET_CARDBUS)) {
676 ret = socket_resume(skt);
677 if (!ret && skt->callback)
678 skt->callback->resume(skt);
679 }
680 if ((sysfs_events & PCMCIA_UEVENT_SUSPEND) && 674 if ((sysfs_events & PCMCIA_UEVENT_SUSPEND) &&
681 !(skt->state & SOCKET_CARDBUS)) { 675 !(skt->state & SOCKET_CARDBUS)) {
682 if (skt->callback) 676 if (skt->callback)
683 ret = skt->callback->suspend(skt); 677 ret = skt->callback->suspend(skt);
684 else 678 else
685 ret = 0; 679 ret = 0;
686 if (!ret) 680 if (!ret) {
687 socket_suspend(skt); 681 socket_suspend(skt);
682 msleep(100);
683 }
684 }
685 if ((sysfs_events & PCMCIA_UEVENT_RESUME) &&
686 !(skt->state & SOCKET_CARDBUS)) {
687 ret = socket_resume(skt);
688 if (!ret && skt->callback)
689 skt->callback->resume(skt);
688 } 690 }
689 if ((sysfs_events & PCMCIA_UEVENT_REQUERY) && 691 if ((sysfs_events & PCMCIA_UEVENT_REQUERY) &&
690 !(skt->state & SOCKET_CARDBUS)) { 692 !(skt->state & SOCKET_CARDBUS)) {