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new 70e453c2c4e [UPSTREAM] arch/arm/imxrt: Improve imxrt_lpi2c_reset
70e453c2c4e is described below
commit 70e453c2c4e1b85c5025aa0419dd066fc0fecb09
Author: Jukka Laitinen <[email protected]>
AuthorDate: Tue Sep 22 12:04:59 2026 +0300
[UPSTREAM] arch/arm/imxrt: Improve imxrt_lpi2c_reset
Re-initialize the bus even in the case the bus cannot be re-covered. The
client still has a reference to the bus, and may try to access it again.
If the bus is not initialized or the root clock is off, the access may
cause a crash.
Signed-off-by: Jukka Laitinen <[email protected]>
---
arch/arm/src/imxrt/imxrt_lpi2c.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/arch/arm/src/imxrt/imxrt_lpi2c.c b/arch/arm/src/imxrt/imxrt_lpi2c.c
index ce57103b962..7953de8557f 100644
--- a/arch/arm/src/imxrt/imxrt_lpi2c.c
+++ b/arch/arm/src/imxrt/imxrt_lpi2c.c
@@ -2387,6 +2387,10 @@ static int imxrt_lpi2c_reset(struct i2c_master_s *dev)
imxrt_config_gpio(sda_gpio);
imxrt_config_gpio(scl_gpio);
+ ret = OK;
+
+out:
+
/* Re-init the port */
imxrt_lpi2c_init(priv);
@@ -2394,9 +2398,6 @@ static int imxrt_lpi2c_reset(struct i2c_master_s *dev)
/* Restore the frequency */
imxrt_lpi2c_setclock(priv, frequency);
- ret = OK;
-
-out:
/* Release the port for reuse by other clients */
