Re: [PATCH 1/1] hw/i2c: add pca9543 i2c-mux switch

[Corey Minyard]

On Tue, Dec 05, 2023 at 11:05:33AM -0800, Patrick Venture wrote:
> On Tue, Nov 14, 2023 at 3:30 PM Corey Minyard <minyard@acm.org> wrote:
> 
> > On Mon, Nov 13, 2023 at 02:31:56PM +0800, Potin Lai wrote:
> > > Add pca9543 2-channel i2c-mux switch support.
> > >
> > > Signed-off-by: Potin Lai <potin.lai.pt@gmail.com>
> >
> > Looks good to me.
> >
> > Acked-by: Corey Minyard <cminyard@mvista.com>
> >
> > > ---
> > >  hw/i2c/i2c_mux_pca954x.c         | 12 ++++++++++++
> > >  include/hw/i2c/i2c_mux_pca954x.h |  1 +
> > >  2 files changed, 13 insertions(+)
> > >
> > > diff --git a/hw/i2c/i2c_mux_pca954x.c b/hw/i2c/i2c_mux_pca954x.c
> > > index db5db956a6..6aace0fc47 100644
> > > --- a/hw/i2c/i2c_mux_pca954x.c
> > > +++ b/hw/i2c/i2c_mux_pca954x.c
> > > @@ -30,6 +30,7 @@
> > >
> > >  #define PCA9548_CHANNEL_COUNT 8
> > >  #define PCA9546_CHANNEL_COUNT 4
> > > +#define PCA9543_CHANNEL_COUNT 2
> > >
> > >  /*
> > >   * struct Pca954xState - The pca954x state object.
> > > @@ -172,6 +173,12 @@ I2CBus *pca954x_i2c_get_bus(I2CSlave *mux, uint8_t
> > channel)
> > >      return pca954x->bus[channel];
> > >  }
> > >
> > > +static void pca9543_class_init(ObjectClass *klass, void *data)
> > > +{
> > > +    Pca954xClass *s = PCA954X_CLASS(klass);
> > > +    s->nchans = PCA9543_CHANNEL_COUNT;
> > > +}
> > > +
> > >  static void pca9546_class_init(ObjectClass *klass, void *data)
> > >  {
> > >      Pca954xClass *s = PCA954X_CLASS(klass);
> > > @@ -246,6 +253,11 @@ static const TypeInfo pca954x_info[] = {
> > >          .class_init    = pca954x_class_init,
> > >          .abstract      = true,
> > >      },
> > > +    {
> > > +        .name          = TYPE_PCA9543,
> > > +        .parent        = TYPE_PCA954X,
> > > +        .class_init    = pca9543_class_init,
> > > +    },
> > >      {
> > >          .name          = TYPE_PCA9546,
> > >          .parent        = TYPE_PCA954X,
> > > diff --git a/include/hw/i2c/i2c_mux_pca954x.h
> > b/include/hw/i2c/i2c_mux_pca954x.h
> > > index 3dd25ec983..1da5508ed5 100644
> > > --- a/include/hw/i2c/i2c_mux_pca954x.h
> > > +++ b/include/hw/i2c/i2c_mux_pca954x.h
> > > @@ -3,6 +3,7 @@
> > >
> > >  #include "hw/i2c/i2c.h"
> > >
> > > +#define TYPE_PCA9543 "pca9543"
> > >  #define TYPE_PCA9546 "pca9546"
> > >  #define TYPE_PCA9548 "pca9548"
> > >
> > > --
> > > 2.31.1
> > >
> > >
> 
> 
> Corey, can you include this in a pull email? I don't quite have that set up
> at present, Titus is going to help me figure it out.

Ok, I'm running tests now, I'll get a pull request in assuming
everything is ok.

-corey