From: Wolfram Sang Date: Thu, 27 Jun 2024 11:14:47 +0000 (+0200) Subject: i2c: testunit: don't erase registers after STOP X-Git-Tag: v6.9.8~94 X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=38c78d52b95f52513c64be15476b44927445ef67;p=thirdparty%2Fkernel%2Fstable.git i2c: testunit: don't erase registers after STOP [ Upstream commit c422b6a630240f706063e0ecbb894aa8491b1fa1 ] STOP fallsthrough to WRITE_REQUESTED but this became problematic when clearing the testunit registers was added to the latter. Actually, there is no reason to clear the testunit state after STOP. Doing it when a new WRITE_REQUESTED arrives is enough. So, no need to fallthrough, at all. Fixes: b39ab96aa894 ("i2c: testunit: add support for block process calls") Signed-off-by: Wolfram Sang Reviewed-by: Andi Shyti Signed-off-by: Sasha Levin --- diff --git a/drivers/i2c/i2c-slave-testunit.c b/drivers/i2c/i2c-slave-testunit.c index a49642bbae4b7..a5dcbc3c2c141 100644 --- a/drivers/i2c/i2c-slave-testunit.c +++ b/drivers/i2c/i2c-slave-testunit.c @@ -118,7 +118,7 @@ static int i2c_slave_testunit_slave_cb(struct i2c_client *client, queue_delayed_work(system_long_wq, &tu->worker, msecs_to_jiffies(10 * tu->regs[TU_REG_DELAY])); } - fallthrough; + break; case I2C_SLAVE_WRITE_REQUESTED: memset(tu->regs, 0, TU_NUM_REGS);