linux-kernel - [PATCH v2 11/20] reset: npcm: using syscon instead of device data

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Message-ID: <20220608095623.22327-12-tmaimon77@gmail.com>
Date:   Wed, 8 Jun 2022 12:56:14 +0300
From:   Tomer Maimon <tmaimon77@...il.com>
To:     <avifishman70@...il.com>, <tali.perry1@...il.com>,
        <joel@....id.au>, <venture@...gle.com>, <yuenn@...gle.com>,
        <benjaminfair@...gle.com>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <mturquette@...libre.com>,
        <sboyd@...nel.org>, <p.zabel@...gutronix.de>,
        <gregkh@...uxfoundation.org>, <daniel.lezcano@...aro.org>,
        <tglx@...utronix.de>, <wim@...ux-watchdog.org>,
        <linux@...ck-us.net>, <catalin.marinas@....com>, <will@...nel.org>,
        <arnd@...db.de>, <olof@...om.net>, <jirislaby@...nel.org>,
        <shawnguo@...nel.org>, <bjorn.andersson@...aro.org>,
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        <vkoul@...nel.org>, <biju.das.jz@...renesas.com>,
        <nobuhiro1.iwamatsu@...hiba.co.jp>, <robert.hancock@...ian.com>,
        <j.neuschaefer@....net>, <lkundrak@...sk>
CC:     <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-clk@...r.kernel.org>, <linux-serial@...r.kernel.org>,
        <linux-watchdog@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        Tomer Maimon <tmaimon77@...il.com>
Subject: [PATCH v2 11/20] reset: npcm: using syscon instead of device data

Using syscon device tree property instead of
device data to handle the NPCM general control
registers.

Signed-off-by: Tomer Maimon <tmaimon77@...il.com>
---
 drivers/reset/reset-npcm.c | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/drivers/reset/reset-npcm.c b/drivers/reset/reset-npcm.c
index 2ea4d3136e15..312c3b594b8f 100644
--- a/drivers/reset/reset-npcm.c
+++ b/drivers/reset/reset-npcm.c
@@ -138,8 +138,7 @@ static int npcm_reset_xlate(struct reset_controller_dev *rcdev,
 }
 
 static const struct of_device_id npcm_rc_match[] = {
-	{ .compatible = "nuvoton,npcm750-reset",
-		.data = (void *)"nuvoton,npcm750-gcr" },
+	{ .compatible = "nuvoton,npcm750-reset"},
 	{ }
 };
 
@@ -155,14 +154,10 @@ static int npcm_usb_reset(struct platform_device *pdev, struct npcm_rc_data *rc)
 	u32 ipsrst1_bits = 0;
 	u32 ipsrst2_bits = NPCM_IPSRST2_USB_HOST;
 	u32 ipsrst3_bits = 0;
-	const char *gcr_dt;
 
-	gcr_dt = (const char *)
-	of_match_device(dev->driver->of_match_table, dev)->data;
-
-	gcr_regmap = syscon_regmap_lookup_by_compatible(gcr_dt);
+	gcr_regmap = syscon_regmap_lookup_by_phandle(dev->of_node, "nuvoton,sysgcr");
 	if (IS_ERR(gcr_regmap)) {
-		dev_err(&pdev->dev, "Failed to find %s\n", gcr_dt);
+		dev_err(&pdev->dev, "Failed to find gcr syscon");
 		return PTR_ERR(gcr_regmap);
 	}
 
-- 
2.33.0