Re: [PATCH v1 1/3] i3c: master: svc: Fix missing the IBI rules

[Alexandre Belloni]

Hello Frank,

On 17/03/2025 09:36:20-0400, Frank Li wrote:
> On Mon, Mar 17, 2025 at 01:19:49PM +0800, Stanley Chu wrote:
> > From: Stanley Chu <yschu@xxxxxxxxxxx>
> >
> > The code does not add IBI rules for devices with controller capability.
> > However, some target devices, such as secondary controller, also have
>                 ^^ dual rule devices
> 
> OR
> 
> However, the second controller have the controller capablity and work at
> target devices mode when the device probe. So add IBI rules for such
> devices.
> 
> 
> > the controller capability.
> > Modify the code to add rules for devices capable of sending IBI requests.
> >
> > Fixes: dd3c52846d59 ("i3c: master: svc: Add Silvaco I3C master driver")
> > Signed-off-by: Stanley Chu <yschu@xxxxxxxxxxx>
> 
> 
> Reviewed-by: Frank Li <Frank.Li@xxxxxxx>

Please avoid adding you reviewed-by tag when you request changes, else
patch work will show the patch as being applicable. This is fine to do
it occasionally but not for all the patches you review. You can simply
wait for the next version to come.

> 
> 
> > ---
> >  drivers/i3c/master/svc-i3c-master.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/i3c/master/svc-i3c-master.c b/drivers/i3c/master/svc-i3c-master.c
> > index 1d1f351b9a85..a72ba5a7edd4 100644
> > --- a/drivers/i3c/master/svc-i3c-master.c
> > +++ b/drivers/i3c/master/svc-i3c-master.c
> > @@ -1106,7 +1106,7 @@ static int svc_i3c_update_ibirules(struct svc_i3c_master *master)
> >
> >  	/* Create the IBIRULES register for both cases */
> >  	i3c_bus_for_each_i3cdev(&master->base.bus, dev) {
> > -		if (I3C_BCR_DEVICE_ROLE(dev->info.bcr) == I3C_BCR_I3C_MASTER)
> > +		if (!(dev->info.bcr & I3C_BCR_IBI_REQ_CAP))
> >  			continue;
> >
> >  		if (dev->info.bcr & I3C_BCR_IBI_PAYLOAD) {
> > --
> > 2.34.1
> >

-- 
Alexandre Belloni, co-owner and COO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com