[5/6] i3c: master: svc: fix SDA keep low when polling IBIWON timeout happen

Message ID 20231016153232.2851095-6-Frank.Li@nxp.com
State New
Headers
Series i3c: master: svc: collection of bugs fixes |

Commit Message

Frank Li Oct. 16, 2023, 3:32 p.m. UTC
  Need call svc_i3c_master_emit_stop() release bus.

Fixes: dd3c52846d59 ("i3c: master: svc: Add Silvaco I3C master driver")
Cc: stable@vger.kernel.org
Signed-off-by: Frank Li <Frank.Li@nxp.com>
---
 drivers/i3c/master/svc-i3c-master.c | 1 +
 1 file changed, 1 insertion(+)
  

Comments

Miquel Raynal Oct. 17, 2023, 2:29 p.m. UTC | #1
Hi Frank,

Frank.Li@nxp.com wrote on Mon, 16 Oct 2023 11:32:31 -0400:

> Need call svc_i3c_master_emit_stop() release bus.

Can you please elaborate this commit message please?

> Fixes: dd3c52846d59 ("i3c: master: svc: Add Silvaco I3C master driver")
> Cc: stable@vger.kernel.org
> Signed-off-by: Frank Li <Frank.Li@nxp.com>
> ---
>  drivers/i3c/master/svc-i3c-master.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/i3c/master/svc-i3c-master.c b/drivers/i3c/master/svc-i3c-master.c
> index 5ab68d6e439d..5bca369d6912 100644
> --- a/drivers/i3c/master/svc-i3c-master.c
> +++ b/drivers/i3c/master/svc-i3c-master.c
> @@ -403,6 +403,7 @@ static void svc_i3c_master_ibi_work(struct work_struct *work)
>  					 SVC_I3C_MSTATUS_IBIWON(val), 0, 1000);
>  	if (ret) {
>  		dev_err(master->dev, "Timeout when polling for IBIWON\n");
> +		svc_i3c_master_emit_stop(master);
>  		goto reenable_ibis;
>  	}
>  


Thanks,
Miquèl
  

Patch

diff --git a/drivers/i3c/master/svc-i3c-master.c b/drivers/i3c/master/svc-i3c-master.c
index 5ab68d6e439d..5bca369d6912 100644
--- a/drivers/i3c/master/svc-i3c-master.c
+++ b/drivers/i3c/master/svc-i3c-master.c
@@ -403,6 +403,7 @@  static void svc_i3c_master_ibi_work(struct work_struct *work)
 					 SVC_I3C_MSTATUS_IBIWON(val), 0, 1000);
 	if (ret) {
 		dev_err(master->dev, "Timeout when polling for IBIWON\n");
+		svc_i3c_master_emit_stop(master);
 		goto reenable_ibis;
 	}