Re: [PATCH v3 4/5] pinctrl: mediatek: Add Pinctrl/GPIO/EINT driver for mt2701

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On 28/12/15 09:07, Yingjoe Chen wrote:
On Mon, 2015-12-28 at 15:09 +0800, Biao Huang wrote:
Add mt2701 support using mediatek common pinctrl driver.
MT2701 have some special pins need an extra setting register
than other ICs, so adding this support to common code.

Signed-off-by: Biao Huang <biao.huang@xxxxxxxxxxxx>
Acked-by: Yingjoe Chen <yingjoe.chen@xxxxxxxxxxxx>
<...>
+
+static struct platform_driver mtk_pinctrl_driver = {
+	.probe = mt2701_pinctrl_probe,
+	.driver = {
+		.name = "mediatek-mt2701-pinctrl",
+		.owner = THIS_MODULE,
+		.of_match_table = mt2701_pctrl_match,
+	},
+};
+
+static int __init mtk_pinctrl_init(void)
+{
+	return platform_driver_register(&mtk_pinctrl_driver);
+}
+
+arch_initcall(mtk_pinctrl_init);


As discussed in
http://lists.infradead.org/pipermail/linux-mediatek/2015-December/003350.html
we should use subsys_initcall() instead.


diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
index f307f1d..76279f0 100644
--- a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
+++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
<...>
@@ -347,6 +352,7 @@ static int mtk_pconf_parse_conf(struct pinctrl_dev *pctldev,
  		ret = mtk_pconf_set_pull_select(pctl, pin, true, false, arg);
  		break;
  	case PIN_CONFIG_INPUT_ENABLE:
+		mtk_pmx_gpio_set_direction(pctldev, NULL, pin, true);
  		ret = mtk_pconf_set_ies_smt(pctl, pin, arg, param);
  		break;
  	case PIN_CONFIG_OUTPUT:
@@ -354,6 +360,7 @@ static int mtk_pconf_parse_conf(struct pinctrl_dev *pctldev,
  		ret = mtk_pmx_gpio_set_direction(pctldev, NULL, pin, false);
  		break;
  	case PIN_CONFIG_INPUT_SCHMITT_ENABLE:
+		mtk_pmx_gpio_set_direction(pctldev, NULL, pin, true);
  		ret = mtk_pconf_set_ies_smt(pctl, pin, arg, param);
  		break;
  	case PIN_CONFIG_DRIVE_STRENGTH:

This change is not directly related to adding mt2710 support and change
behavior for all MTK pinctrl drivers, please create a separate patch for
this.


Hi Biao,

This patch didn't make it into v4.5-rc1. Are you thinking of sending a new version addressing the comments from Yingjoe?

Regards,
Matthias
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