Hi Prabhakar,

On Tue, Jul 27, 2021 at 1:23 PM Lad Prabhakar
[off-list ref] wrote:

Add support for pin and gpio controller driver for RZ/G2L SoC.

Based on a patch in the BSP by Hien Huynh [off-list ref].

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>

Thanks for your patch!

+static void rzg2l_pinctrl_clk_disable(void *data)
+{
+       struct clk *clk = data;

No need for the intermediate variable.

+
+       clk_disable_unprepare(clk);
+}
+
+static int rzg2l_pinctrl_probe(struct platform_device *pdev)
+{
+       struct rzg2l_pinctrl *pctrl;
+       int ret;
+
+       pctrl = devm_kzalloc(&pdev->dev, sizeof(*pctrl), GFP_KERNEL);
+       if (!pctrl)
+               return -ENOMEM;
+
+       pctrl->dev = &pdev->dev;
+
+       pctrl->data = of_device_get_match_data(&pdev->dev);
+       if (!pctrl->data)
+               return -EINVAL;
+
+       pctrl->base = devm_platform_ioremap_resource(pdev, 0);
+       if (IS_ERR(pctrl->base))
+               return PTR_ERR(pctrl->base);
+
+       pctrl->clk = devm_clk_get(pctrl->dev, NULL);
+       if (IS_ERR(pctrl->clk)) {
+               ret = PTR_ERR(pctrl->clk);
+               dev_err(pctrl->dev, "failed to get GPIO clk : %i\n", ret);
+               return ret;
+       };
+
+       spin_lock_init(&pctrl->lock);
+
+       platform_set_drvdata(pdev, pctrl);
+
+       ret = clk_prepare_enable(pctrl->clk);
+       if (ret) {
+               dev_err(pctrl->dev, "failed to enable GPIO clk: %i\n", ret);
+               return ret;
+       };
+
+       ret = devm_add_action_or_reset(&pdev->dev, rzg2l_pinctrl_clk_disable, pctrl->clk);

This line is a bit long.

+       if (ret) {
+               dev_err(pctrl->dev, "failed to register pinctrl clk disable devm action, %i\n",

Elsewhere, this is called the "GPIO clk".
This line is a bit long.

+                       ret);
+               return ret;
+       }
+
+       ret = rzg2l_pinctrl_register(pctrl);
+       if (ret)
+               return ret;
+
+       dev_info(pctrl->dev, "%s support registered\n", DRV_NAME);
+       return 0;
+}

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
i.e. will queue in renesas-pinctrl-for-v5.15, with the above fixed, so no need
to resend.

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

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