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[1/2] i2c: testunit: don't erase registers after STOP

Message ID 20240627111445.29751-5-wsa+renesas@sang-engineering.com
State New
Headers show
Series i2c: testunit: regression fixes | expand

Commit Message

Wolfram Sang June 27, 2024, 11:14 a.m. UTC
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 <wsa+renesas@sang-engineering.com>
---
 drivers/i2c/i2c-slave-testunit.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Wolfram Sang June 28, 2024, 6:40 p.m. UTC | #1
On Thu, Jun 27, 2024 at 01:14:47PM +0200, Wolfram Sang wrote:
> 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 <wsa+renesas@sang-engineering.com>

Applied to for-current, thanks!
diff mbox series

Patch

diff --git a/drivers/i2c/i2c-slave-testunit.c b/drivers/i2c/i2c-slave-testunit.c
index a49642bbae4b..a5dcbc3c2c14 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);