Messages in this thread Patch in this message | | | From | Alain Volmat <> | Subject | [PATCH] reset: sti: rely on regmap_field_read_poll_timeout for ack wait | Date | Fri, 10 Feb 2023 23:43:31 +0100 |
| |
Use regmap_field_read_poll_timeout function when waiting for the ack bit upon performing the reset control.
Signed-off-by: Alain Volmat <avolmat@me.com> --- drivers/reset/sti/reset-syscfg.c | 18 ++++-------------- 1 file changed, 4 insertions(+), 14 deletions(-)
diff --git a/drivers/reset/sti/reset-syscfg.c b/drivers/reset/sti/reset-syscfg.c index b4b46e0f207e..c1ba04f6f155 100644 --- a/drivers/reset/sti/reset-syscfg.c +++ b/drivers/reset/sti/reset-syscfg.c @@ -64,22 +64,12 @@ static int syscfg_reset_program_hw(struct reset_controller_dev *rcdev, return err; if (ch->ack) { - unsigned long timeout = jiffies + msecs_to_jiffies(1000); u32 ack_val; - while (true) { - err = regmap_field_read(ch->ack, &ack_val); - if (err) - return err; - - if (ack_val == ctrl_val) - break; - - if (time_after(jiffies, timeout)) - return -ETIME; - - cpu_relax(); - } + err = regmap_field_read_poll_timeout(ch->ack, ack_val, (ack_val == ctrl_val), + 100, USEC_PER_SEC); + if (err) + return err; } return 0; -- 2.34.1
| |