Thread (32 messages) 32 messages, 8 authors, 2022-07-04
STALE1434d
Revisions (2)
  1. v1 [diff vs current]
  2. v2 current

[PATCH v2 07/10] i2c: xiic: Return value of xiic_reinit

From: Raviteja Narayanam <hidden>
Date: 2021-06-26 10:29:13
Also in: linux-i2c, lkml
Subsystem: arm/zynq architecture, i2c subsystem, i2c subsystem host drivers, the rest · Maintainers: Michal Simek, Wolfram Sang, Andi Shyti, Linus Torvalds

From: Shubhrajyoti Datta <redacted>

Check the return value of xiic_reinit.

Signed-off-by: Shubhrajyoti Datta <redacted>
Signed-off-by: Raviteja Narayanam <redacted>
---
 drivers/i2c/busses/i2c-xiic.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/i2c/busses/i2c-xiic.c b/drivers/i2c/busses/i2c-xiic.c
index 007a78215a90..0d76261f1841 100644
--- a/drivers/i2c/busses/i2c-xiic.c
+++ b/drivers/i2c/busses/i2c-xiic.c
@@ -504,6 +504,7 @@ static irqreturn_t xiic_process(int irq, void *dev_id)
 	struct xiic_i2c *i2c = dev_id;
 	u32 pend, isr, ier;
 	u32 clr = 0;
+	int ret;
 
 	/* Get the interrupt Status from the IPIF. There is no clearing of
 	 * interrupts in the IPIF. Interrupts must be cleared at the source.
@@ -540,7 +541,9 @@ static irqreturn_t xiic_process(int irq, void *dev_id)
 		 * fifos and the next message is a TX with len 0 (only addr)
 		 * reset the IP instead of just flush fifos
 		 */
-		xiic_reinit(i2c);
+		ret = xiic_reinit(i2c);
+		if (!ret)
+			dev_dbg(i2c->adap.dev.parent, "reinit failed\n");
 
 		if (i2c->rx_msg)
 			xiic_wakeup(i2c, STATE_ERROR);
-- 
2.25.1


_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
Keyboard shortcuts
hback out one level
jnext message in thread
kprevious message in thread
ldrill in
Escclose help / fold thread tree
?toggle this help