[2.6.20.17 review 25/58] pcmcia: give socket time to power down

Willy Tarreau
2007-08-22T08:59:37Z

[-- Attachment #1: 0025-pcmcia-give-socket-time-to-power-down.patch --]
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Give sockets up to 100ms of additional time to power down. otherwise we
might generate false warnings with KERN_ERR priority (like in bug #8262).

Signed-off-by: Daniel Ritz <daniel.ritz@gmx.ch>
Cc: Nils Neumann <nils.neumann@rwth-aachen.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Willy Tarreau <w@1wt.eu>
---
drivers/pcmcia/cs.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/drivers/pcmcia/cs.c b/drivers/pcmcia/cs.c
index 606a467..2785d83 100644
--- a/drivers/pcmcia/cs.c
+++ b/drivers/pcmcia/cs.c
@@ -410,6 +410,9 @@ static void socket_shutdown(struct pcmcia_socket *s)
#endif
s->functions = 0;

+ /* give socket some time to power down */
+ msleep(100);
+
s->ops->get_status(s, &status);
if (status & SS_POWERON) {
printk(KERN_ERR "PCMCIA: socket %p: *** DANGER *** unable to remove socket power
", s);
--
1.5.2.5

--