diff mbox series

[v2,2/3] i3c: master: svc: change ENXIO to EAGAIN when IBI occurs during start frame

Message ID 20240506164009.21375-2-Frank.Li@nxp.com (mailing list archive)
State Accepted
Headers show
Series [v2,1/3] i3c: Add comment for -EAGAIN in i3c_device_do_priv_xfers() | expand

Commit Message

Frank Li May 6, 2024, 4:40 p.m. UTC 
svc_i3c_master_xfer() returns error ENXIO if an In-Band Interrupt (IBI)
occurs when the host starts the frame.

Change error code to EAGAIN to inform the client driver that this
situation has occurred and to try again sometime later.

Fixes: 5e5e3c92e748 ("i3c: master: svc: fix wrong data return when IBI happen during start frame")
Signed-off-by: Frank Li <Frank.Li@nxp.com>
---

Notes:
    change from v1 to v2
    - none

 drivers/i3c/master/svc-i3c-master.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Miquel Raynal May 7, 2024, 8:03 a.m. UTC | #1 
Hi Frank,

Frank.Li@nxp.com wrote on Mon,  6 May 2024 12:40:08 -0400:

> svc_i3c_master_xfer() returns error ENXIO if an In-Band Interrupt (IBI)
> occurs when the host starts the frame.
> 
> Change error code to EAGAIN to inform the client driver that this
> situation has occurred and to try again sometime later.
> 
> Fixes: 5e5e3c92e748 ("i3c: master: svc: fix wrong data return when IBI happen during start frame")
> Signed-off-by: Frank Li <Frank.Li@nxp.com>

Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>


Thanks,
Miquèl
diff mbox series

Patch

diff --git a/drivers/i3c/master/svc-i3c-master.c b/drivers/i3c/master/svc-i3c-master.c
index fd8de54b13667..94e4954509558 100644
--- a/drivers/i3c/master/svc-i3c-master.c
+++ b/drivers/i3c/master/svc-i3c-master.c
@@ -1080,7 +1080,7 @@  static int svc_i3c_master_xfer(struct svc_i3c_master *master,
 	 * and yield the above events handler.
 	 */
 	if (SVC_I3C_MSTATUS_IBIWON(reg)) {
-		ret = -ENXIO;
+		ret = -EAGAIN;
 		*actual_len = 0;
 		goto emit_stop;
 	}