linux-kernel - [PATCH] mfd: twl4030-power: Revert to use of_match

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Date:   Sun, 29 Oct 2023 13:49:09 +0200
From:   Peter Ujfalusi <peter.ujfalusi@...il.com>
To:     tony@...mide.com, lee@...nel.org, robh@...nel.org
Cc:     wens@...e.org, linux-omap@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] mfd: twl4030-power: Revert to use of_match_device()

The core twl chip is probed via i2c and the dev->driver->of_match_table is
NULL, causing the driver to fail to probe.

This partially reverts commit 1e0c866887f4.

Fixes: 1e0c866887f4 ("mfd: Use device_get_match_data() in a bunch of drivers")
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@...il.com>
---
 drivers/mfd/twl4030-power.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/drivers/mfd/twl4030-power.c b/drivers/mfd/twl4030-power.c
index 1595e9c76132..e35b0f788c50 100644
--- a/drivers/mfd/twl4030-power.c
+++ b/drivers/mfd/twl4030-power.c
@@ -27,8 +27,8 @@
 #include <linux/pm.h>
 #include <linux/mfd/twl.h>
 #include <linux/platform_device.h>
-#include <linux/property.h>
 #include <linux/of.h>
+#include <linux/of_device.h>
 
 #include <asm/mach-types.h>
 
@@ -883,6 +883,7 @@ static int twl4030_power_probe(struct platform_device *pdev)
 {
 	const struct twl4030_power_data *pdata = dev_get_platdata(&pdev->dev);
 	struct device_node *node = pdev->dev.of_node;
+	const struct of_device_id *match;
 	int err = 0;
 	int err2 = 0;
 	u8 val;
@@ -903,8 +904,10 @@ static int twl4030_power_probe(struct platform_device *pdev)
 		return err;
 	}
 
-	if (node)
-		pdata = device_get_match_data(&pdev->dev);
+	match = of_match_device(of_match_ptr(twl4030_power_of_match),
+				&pdev->dev);
+	if (match && match->data)
+		pdata = match->data;
 
 	if (pdata) {
 		err = twl4030_power_configure_scripts(pdata);
-- 
2.42.0