Re: [PATCH] mac802154_hwsim: allow users to specify the number of simulated radios dinamically instead of the previously hardcoded value of 2

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> handle as unsigned then this check would not be necessary?

Yeah, it does make sense. However, I have a bit of an embarrassing
question. How do I submit an updated patch in this same thread? I
tried before but it didn’t work as expected. Should I send it manually
via email with the same subject, or is there a better way to do it
properly?

-
Ramon

Em sáb., 7 de jun. de 2025 às 14:34, Alexander Aring
<aahringo@xxxxxxxxxx> escreveu:
>
> Hi,
>
> On Tue, Jun 3, 2025 at 2:33 PM Ramon Fontes <ramonreisfontes@xxxxxxxxx> wrote:
> >
> > * Added a new module parameter radios
> > * Modified the loop in hwsim_probe()
> > * Updated log message in hwsim_probe()
> >
>
> no problem with this patch, just a note see below.
>
> Acked-by: Alexander Aring <aahringo@xxxxxxxxxx>
>
> > Signed-off-by: Ramon Fontes <ramonreisfontes@xxxxxxxxx>
> > ---
> >  drivers/net/ieee802154/mac802154_hwsim.c | 11 +++++++++--
> >  1 file changed, 9 insertions(+), 2 deletions(-)
> >
> > diff --git a/drivers/net/ieee802154/mac802154_hwsim.c b/drivers/net/ieee802154/mac802154_hwsim.c
> > index 2f7520454..dadae6247 100644
> > --- a/drivers/net/ieee802154/mac802154_hwsim.c
> > +++ b/drivers/net/ieee802154/mac802154_hwsim.c
> > @@ -27,6 +27,10 @@
> >  MODULE_DESCRIPTION("Software simulator of IEEE 802.15.4 radio(s) for mac802154");
> >  MODULE_LICENSE("GPL");
> >
> > +static int radios = 2;
> > +module_param(radios, int, 0444);
> > +MODULE_PARM_DESC(radios, "Number of simulated radios");
> > +
> >  static LIST_HEAD(hwsim_phys);
> >  static DEFINE_MUTEX(hwsim_phys_lock);
> >
> > @@ -1018,13 +1022,13 @@ static int hwsim_probe(struct platform_device *pdev)
> >         struct hwsim_phy *phy, *tmp;
> >         int err, i;
> >
> > -       for (i = 0; i < 2; i++) {
> > +       for (i = 0; i < radios; i++) {
> >                 err = hwsim_add_one(NULL, &pdev->dev, true);
> >                 if (err < 0)
> >                         goto err_slave;
> >         }
> >
> > -       dev_info(&pdev->dev, "Added 2 mac802154 hwsim hardware radios\n");
> > +       dev_info(&pdev->dev, "Added %d mac802154 hwsim hardware radios\n", radios);
> >         return 0;
> >
> >  err_slave:
> > @@ -1057,6 +1061,9 @@ static __init int hwsim_init_module(void)
> >  {
> >         int rc;
> >
> > +       if (radios < 0)
> > +               return -EINVAL;
> > +
>
> handle as unsigned then this check would not be necessary?
>
> - Alex
>





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