Re: [PATCH v2 4/4] zorro: Drop useless (and hardly used) .driver member in struct zorro_dev

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Hi Uwe,

On Fri, Jul 30, 2021 at 9:10 PM Uwe Kleine-König
<u.kleine-koenig@xxxxxxxxxxxxxx> wrote:
The only actual use is to check in zorro_device_probe() that the device
isn't already bound. The driver core already ensures this however so the
check can go away which allows to drop the then assigned-only member
from struct zorro_dev.

If the value was indeed needed somewhere it can always be calculated by

        to_zorro_driver(z->dev.driver)

.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>

Thanks for your patch!

--- a/drivers/zorro/zorro-driver.c
+++ b/drivers/zorro/zorro-driver.c
@@ -47,16 +47,14 @@ static int zorro_device_probe(struct device *dev)
        struct zorro_driver *drv = to_zorro_driver(dev->driver);
        struct zorro_dev *z = to_zorro_dev(dev);

-       if (!z->driver && drv->probe) {
+       if (drv->probe) {
                const struct zorro_device_id *id;

                id = zorro_match_device(drv->id_table, z);
                if (id)
                        error = drv->probe(z, id);
-               if (error >= 0) {
-                       z->driver = drv;
+               if (error >= 0)

I guess this test can become "> 0" now, but that doesn't matter much.

Acked-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>

                        error = 0;
-               }
        }
        return error;
 }

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds



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