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authorDominik Brodowski <linux@dominikbrodowski.net>2010-05-03 15:10:09 +0200
committerDominik Brodowski <linux@dominikbrodowski.net>2010-05-04 22:15:34 +0200
commit43821242078aeced1d576b4b54d7b4a9bd76ec05 (patch)
treebaad758e9d724e4b8b76af38fab5de96d2cde7a0
parentcc83b08fc791045ac197e6f4a030599bcd7100c5 (diff)
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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 75ed866e695..c3383750e33 100644
--- a/drivers/pcmcia/cs.c
+++ b/drivers/pcmcia/cs.c
@@ -671,20 +671,22 @@ static int pccardd(void *__skt)
socket_remove(skt);
if (sysfs_events & PCMCIA_UEVENT_INSERT)
socket_insert(skt);
- if ((sysfs_events & PCMCIA_UEVENT_RESUME) &&
- !(skt->state & SOCKET_CARDBUS)) {
- ret = socket_resume(skt);
- if (!ret && skt->callback)
- skt->callback->resume(skt);
- }
if ((sysfs_events & PCMCIA_UEVENT_SUSPEND) &&
!(skt->state & SOCKET_CARDBUS)) {
if (skt->callback)
ret = skt->callback->suspend(skt);
else
ret = 0;
- if (!ret)
+ if (!ret) {
socket_suspend(skt);
+ msleep(100);
+ }
+ }
+ if ((sysfs_events & PCMCIA_UEVENT_RESUME) &&
+ !(skt->state & SOCKET_CARDBUS)) {
+ ret = socket_resume(skt);
+ if (!ret && skt->callback)
+ skt->callback->resume(skt);
}
if ((sysfs_events & PCMCIA_UEVENT_REQUERY) &&
!(skt->state & SOCKET_CARDBUS)) {