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Subject[PATCH 1/8] drivers:misc: ti-st: avoid a misleading dbg msg
From: Pavan Savoy <>

Previously the private data of each protocol registered to use ST was
used to determine whether the protocol was registered to use shared
transport or otherwise.
However, now a flag is_registered is maintained to identify whether a
protocol intends to use ST.
Upon closing of the UART the error message relevant to this lack of
un-registration was misleading and this patch fixes that.

Change-Id: I1a452dccd7b4bd53cce923df5b61ce077b7aa466
Signed-off-by: Pavan Savoy <>
drivers/misc/ti-st/st_core.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/misc/ti-st/st_core.c b/drivers/misc/ti-st/st_core.c
index 54c91ff..c8e335d 100644
--- a/drivers/misc/ti-st/st_core.c
+++ b/drivers/misc/ti-st/st_core.c
@@ -717,7 +717,7 @@ static void st_tty_close(struct tty_struct *tty)
spin_lock_irqsave(&st_gdata->lock, flags);
for (i = ST_BT; i < ST_MAX_CHANNELS; i++) {
- if (st_gdata->list[i] != NULL)
+ if (st_gdata->is_registered[i] == true)
pr_err("%d not un-registered", i);
st_gdata->list[i] = NULL;

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