diff mbox series

[v2,01/15] gpio: pca953x: move suspend()/resume() to suspend_noirq()/resume_noirq()

Message ID 20240102-j7200-pcie-s2r-v2-1-8e4f7d228ec2@bootlin.com
State Superseded
Headers show
Series Add suspend to ram support for PCIe on J7200 | expand

Commit Message

Thomas Richard Jan. 26, 2024, 2:36 p.m. UTC
Some IOs can be needed during suspend_noirq()/resume_noirq().
So move suspend()/resume() to noirq.

Signed-off-by: Thomas Richard <thomas.richard@bootlin.com>
---
 drivers/gpio/gpio-pca953x.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

Comments

Andy Shevchenko Jan. 26, 2024, 9:30 p.m. UTC | #1
On Fri, Jan 26, 2024 at 4:37 PM Thomas Richard
<thomas.richard@bootlin.com> wrote:
>
> Some IOs can be needed during suspend_noirq()/resume_noirq().
> So move suspend()/resume() to noirq.

On the first glance the code is okay, but I haven't tested it on the
platforms I have that use this chip.
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Andi Shyti Jan. 27, 2024, 9:46 p.m. UTC | #2
Hi Thomas,

On Fri, Jan 26, 2024 at 03:36:43PM +0100, Thomas Richard wrote:
> Some IOs can be needed during suspend_noirq()/resume_noirq().
> So move suspend()/resume() to noirq.
> 
> Signed-off-by: Thomas Richard <thomas.richard@bootlin.com>

Reviewed-by: Andi Shyti <andi.shyti@kernel.org>

Thanks,
Andi
diff mbox series

Patch

diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c
index 00ffa168e405..6e495fc67a93 100644
--- a/drivers/gpio/gpio-pca953x.c
+++ b/drivers/gpio/gpio-pca953x.c
@@ -1234,7 +1234,7 @@  static void pca953x_save_context(struct pca953x_chip *chip)
 	regcache_cache_only(chip->regmap, true);
 }
 
-static int pca953x_suspend(struct device *dev)
+static int pca953x_suspend_noirq(struct device *dev)
 {
 	struct pca953x_chip *chip = dev_get_drvdata(dev);
 
@@ -1248,7 +1248,7 @@  static int pca953x_suspend(struct device *dev)
 	return 0;
 }
 
-static int pca953x_resume(struct device *dev)
+static int pca953x_resume_noirq(struct device *dev)
 {
 	struct pca953x_chip *chip = dev_get_drvdata(dev);
 	int ret;
@@ -1268,7 +1268,8 @@  static int pca953x_resume(struct device *dev)
 	return ret;
 }
 
-static DEFINE_SIMPLE_DEV_PM_OPS(pca953x_pm_ops, pca953x_suspend, pca953x_resume);
+static DEFINE_NOIRQ_DEV_PM_OPS(pca953x_pm_ops,
+			       pca953x_suspend_noirq, pca953x_resume_noirq);
 
 /* convenience to stop overlong match-table lines */
 #define OF_653X(__nrgpio, __int) ((void *)(__nrgpio | PCAL653X_TYPE | __int))