linux-kernel - [PATCH v1 10/19] reset: npcm: using syscon instead of device data

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Date:   Sun, 22 May 2022 18:50:37 +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, geert+renesas@...der.be,
        marcel.ziswiler@...adex.com, vkoul@...nel.org,
        biju.das.jz@...renesas.com, nobuhiro1.iwamatsu@...hiba.co.jp,
        robert.hancock@...ian.com, j.neuschaefer@....net, lkundrak@...sk
Cc:     soc@...nel.org, 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 v1 10/19] reset: npcm: using syscon instead of device data

Using syscon device tree property instead of
device data to handle the NPCM GCR 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..0c963b21eddc 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, "syscon");
 	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