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authorYoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>2019-08-08 15:19:01 +0900
committerGeert Uytterhoeven <geert+renesas@glider.be>2019-08-12 15:55:15 +0200
commit1d4ba593d02e8ec41c2baaabdce9f62b71062dc7 (patch)
treef7c469faa0af08a49e3efd2e3193045d55c4f38f /drivers/pinctrl
parent625efea83a7c37d281c6a90526813a1366929d24 (diff)
downloadlinux-1d4ba593d02e8ec41c2baaabdce9f62b71062dc7.tar.gz
pinctrl: sh-pfc: Add new flags into struct sh_pfc_pin_config
To clean/modify the code up later, this patch just adds new flags
"mux_set" and "gpio_enabled" into the struct sh_pfc_pin_config.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Diffstat (limited to 'drivers/pinctrl')
-rw-r--r--drivers/pinctrl/sh-pfc/pinctrl.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/pinctrl/sh-pfc/pinctrl.c b/drivers/pinctrl/sh-pfc/pinctrl.c
index 2824be4eb887..864da24394d6 100644
--- a/drivers/pinctrl/sh-pfc/pinctrl.c
+++ b/drivers/pinctrl/sh-pfc/pinctrl.c
@@ -27,6 +27,8 @@
 
 struct sh_pfc_pin_config {
 	u32 type;
+	bool mux_set;
+	bool gpio_enabled;
 };
 
 struct sh_pfc_pinctrl {
@@ -364,7 +366,15 @@ static int sh_pfc_func_set_mux(struct pinctrl_dev *pctldev, unsigned selector,
 	for (i = 0; i < grp->nr_pins; ++i) {
 		ret = sh_pfc_config_mux(pfc, grp->mux[i], PINMUX_TYPE_FUNCTION);
 		if (ret < 0)
-			break;
+			goto done;
+	}
+
+	/* All group pins are configured, mark the pins as mux_set */
+	for (i = 0; i < grp->nr_pins; ++i) {
+		int idx = sh_pfc_get_pin_index(pfc, grp->pins[i]);
+		struct sh_pfc_pin_config *cfg = &pmx->configs[idx];
+
+		cfg->mux_set = true;
 	}
 
 done:
@@ -405,6 +415,7 @@ static int sh_pfc_gpio_request_enable(struct pinctrl_dev *pctldev,
 	}
 
 	cfg->type = PINMUX_TYPE_GPIO;
+	cfg->gpio_enabled = true;
 
 	ret = 0;
 
@@ -426,6 +437,7 @@ static void sh_pfc_gpio_disable_free(struct pinctrl_dev *pctldev,
 
 	spin_lock_irqsave(&pfc->lock, flags);
 	cfg->type = PINMUX_TYPE_NONE;
+	cfg->gpio_enabled = false;
 	spin_unlock_irqrestore(&pfc->lock, flags);
 }