This is a note to let you know that I've just added the patch titled
net: ethernet: ti: cpts: Handle error for clk_enable
to the 5.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
net-ethernet-ti-cpts-handle-error-for-clk_enable.patch
and it can be found in the queue-5.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 48d64794392b04d4e1b6033499c45beebc260df5
Author: Jiasheng Jiang <jiasheng@xxxxxxxxxxx>
Date: Tue Mar 8 14:40:07 2022 +0800
net: ethernet: ti: cpts: Handle error for clk_enable
[ Upstream commit 6babfc6e6fab068018c36e8f6605184b8c0b349d ]
As the potential failure of the clk_enable(),
it should be better to check it and return error
if fails.
Fixes: 8a2c9a5ab4b9 ("net: ethernet: ti: cpts: rework initialization/deinitialization")
Signed-off-by: Jiasheng Jiang <jiasheng@xxxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/net/ethernet/ti/cpts.c b/drivers/net/ethernet/ti/cpts.c
index 26cfe3f7ed8d..453ad1247288 100644
--- a/drivers/net/ethernet/ti/cpts.c
+++ b/drivers/net/ethernet/ti/cpts.c
@@ -454,7 +454,9 @@ int cpts_register(struct cpts *cpts)
for (i = 0; i < CPTS_MAX_EVENTS; i++)
list_add(&cpts->pool_data[i].list, &cpts->pool);
- clk_enable(cpts->refclk);
+ err = clk_enable(cpts->refclk);
+ if (err)
+ return err;
cpts_write32(cpts, CPTS_EN, control);
cpts_write32(cpts, TS_PEND_EN, int_enable);
