* [PATCH V3] NFC: nxp-nci: allow GPIOs to sleep
@ 2026-03-17 8:53 Ian Ray
2026-03-19 0:44 ` patchwork-bot+netdevbpf
0 siblings, 1 reply; 2+ messages in thread
From: Ian Ray @ 2026-03-17 8:53 UTC (permalink / raw)
To: David S. Miller, Andy Shevchenko; +Cc: Ian Ray, stable, netdev, linux-kernel
Allow the firmware and enable GPIOs to sleep.
This fixes a `WARN_ON' and allows the driver to operate GPIOs which are
connected to I2C GPIO expanders.
-- >8 --
kernel: WARNING: CPU: 3 PID: 2636 at drivers/gpio/gpiolib.c:3880 gpiod_set_value+0x88/0x98
-- >8 --
Fixes: 43201767b44c ("NFC: nxp-nci: Convert to use GPIO descriptor")
Cc: stable@vger.kernel.org
Signed-off-by: Ian Ray <ian.ray@gehealthcare.com>
---
Changes since v2:
- Correct the fixes tag (found by AI review)
- Use uppercase "NFC" in patch prefix
---
drivers/nfc/nxp-nci/i2c.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/nfc/nxp-nci/i2c.c b/drivers/nfc/nxp-nci/i2c.c
index 6a5ce8ff91f0..b3d34433bd14 100644
--- a/drivers/nfc/nxp-nci/i2c.c
+++ b/drivers/nfc/nxp-nci/i2c.c
@@ -47,8 +47,8 @@ static int nxp_nci_i2c_set_mode(void *phy_id,
{
struct nxp_nci_i2c_phy *phy = (struct nxp_nci_i2c_phy *) phy_id;
- gpiod_set_value(phy->gpiod_fw, (mode == NXP_NCI_MODE_FW) ? 1 : 0);
- gpiod_set_value(phy->gpiod_en, (mode != NXP_NCI_MODE_COLD) ? 1 : 0);
+ gpiod_set_value_cansleep(phy->gpiod_fw, (mode == NXP_NCI_MODE_FW) ? 1 : 0);
+ gpiod_set_value_cansleep(phy->gpiod_en, (mode != NXP_NCI_MODE_COLD) ? 1 : 0);
usleep_range(10000, 15000);
if (mode == NXP_NCI_MODE_COLD)
--
2.49.0
^ permalink raw reply related [flat|nested] 2+ messages in thread
end of thread, other threads:[~2026-03-19 0:44 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2026-03-17 8:53 [PATCH V3] NFC: nxp-nci: allow GPIOs to sleep Ian Ray
2026-03-19 0:44 ` patchwork-bot+netdevbpf
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox