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| author |  Alain Volmat <avolmat@me.com>
| 2023-02-10 23:43:31 +0100 |
|---|---|---|
| committer |  Philipp Zabel <p.zabel@pengutronix.de>
| 2023-05-08 09:28:31 +0200 |
| commit | 2db4da59485f9c25837acc8024fc58b7a4143aaa (patch) | |
| tree | 0e862c183ab17612e3262d4962d8ddf8a5bb2870 /drivers/reset | |
| parent | reset: brcmstb-rescal: Use devm_platform_ioremap_resource() (diff) | |
| download | linux-2db4da59485f9c25837acc8024fc58b7a4143aaa.tar.gz linux-2db4da59485f9c25837acc8024fc58b7a4143aaa.tar.bz2 linux-2db4da59485f9c25837acc8024fc58b7a4143aaa.zip | |
reset: sti: rely on regmap_field_read_poll_timeout for ack wait
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>
Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>
Link: https://lore.kernel.org/r/20230210224332.98482-1-avolmat@me.com
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Diffstat (limited to 'drivers/reset')
| -rw-r--r-- | drivers/reset/sti/reset-syscfg.c | 18 |
1 files 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; |