summaryrefslogtreecommitdiffstats
path: root/include/linux/ti_wilink_st.h
diff options
context:
space:
mode:
authorMuhammad Hamza Farooq <mfarooq@visteon.com>2015-09-11 16:42:38 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-09-20 22:52:13 -0700
commitb05b7c7cc0324524dcda7fa7c2be1255290ee416 (patch)
treeecaff7f9aebc82187b5613789b43c9c76d530420 /include/linux/ti_wilink_st.h
parentf97ef759999485df485fe19a440d6af02d561140 (diff)
downloadop-kernel-dev-b05b7c7cc0324524dcda7fa7c2be1255290ee416.zip
op-kernel-dev-b05b7c7cc0324524dcda7fa7c2be1255290ee416.tar.gz
ti-st: use worker instead of calling st_int_write in wake up
The wake up method is called with the port lock held. The st_int_write method calls port->ops->write with tries to acquire the lock again, causing CPU to wait infinitely. Right way to do is to write data to port in worker thread. Signed-off-by: Muhammad Hamza Farooq <mfarooq@visteon.com> Signed-off-by: Jacob Siverskog <jacob@teenage.engineering> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/ti_wilink_st.h')
-rw-r--r--include/linux/ti_wilink_st.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/ti_wilink_st.h b/include/linux/ti_wilink_st.h
index d4217ef..0a0d568 100644
--- a/include/linux/ti_wilink_st.h
+++ b/include/linux/ti_wilink_st.h
@@ -158,6 +158,7 @@ struct st_data_s {
unsigned long ll_state;
void *kim_data;
struct tty_struct *tty;
+ struct work_struct work_write_wakeup;
};
/*
OpenPOWER on IntegriCloud