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authorJulian Andres Klode <jak@jak-linux.org>2011-09-27 19:01:04 +0200
committerGreg Kroah-Hartman <gregkh@suse.de>2011-09-29 17:41:38 -0700
commitd6bdcf2e1019351cbc176e963b7756766bdd8721 (patch)
tree6c9c8aec43ea2d9d30d0ccb782f29de0a32269dd /drivers/staging/nvec
parent1e46e6273bc62d87c1eb984d2a2b16efa6b19641 (diff)
downloadlinux-d6bdcf2e1019351cbc176e963b7756766bdd8721.tar.bz2
staging: nvec: Add battery quirk to ignore incomplete responses
The nvec_power system polls nvec for battery information. In some cases, that part seems to be overloaded and unable to respond fast in which case it sends an incomplete response. We need to mark the transfer as completed, though, in order to prevent endless retries which can kill nvec. Signed-off-by: Julian Andres Klode <jak@jak-linux.org> Acked-by: Marc Dietrich <marvin24@gmx.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging/nvec')
-rw-r--r--drivers/staging/nvec/nvec.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/staging/nvec/nvec.c b/drivers/staging/nvec/nvec.c
index 8c01723d681a..a80f9935a3e1 100644
--- a/drivers/staging/nvec/nvec.c
+++ b/drivers/staging/nvec/nvec.c
@@ -446,6 +446,11 @@ static void nvec_rx_completed(struct nvec_chip *nvec)
nvec_msg_free(nvec, nvec->rx);
nvec->state = 0;
+
+ /* Battery quirk - Often incomplete, and likes to crash */
+ if (nvec->rx->data[0] == NVEC_BAT)
+ complete(&nvec->ec_transfer);
+
return;
}