Commit c79886c5 authored by Krzysztof Kozlowski's avatar Krzysztof Kozlowski Committed by Rafael J. Wysocki
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thermal: sun8i: Use scoped device node handling to simplify error paths



Obtain the device node reference with scoped/cleanup.h to reduce error
handling and make the code a bit simpler.

Reviewed-by: default avatarChen-Yu Tsai <wenst@chromium.org>
Reviewed-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: default avatarKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20241010-b4-cleanup-h-of-node-put-thermal-v4-6-bfbe29ad81f4@linaro.org


Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent 2ff772f4
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+5 −6
Original line number Diff line number Diff line
@@ -9,6 +9,7 @@
 */

#include <linux/bitmap.h>
#include <linux/cleanup.h>
#include <linux/clk.h>
#include <linux/device.h>
#include <linux/interrupt.h>
@@ -348,19 +349,18 @@ static void sun8i_ths_reset_control_assert(void *data)

static struct regmap *sun8i_ths_get_sram_regmap(struct device_node *node)
{
	struct device_node *sram_node;
	struct platform_device *sram_pdev;
	struct regmap *regmap = NULL;

	sram_node = of_parse_phandle(node, "allwinner,sram", 0);
	struct device_node *sram_node __free(device_node) =
		of_parse_phandle(node, "allwinner,sram", 0);
	if (!sram_node)
		return ERR_PTR(-ENODEV);

	sram_pdev = of_find_device_by_node(sram_node);
	if (!sram_pdev) {
		/* platform device might not be probed yet */
		regmap = ERR_PTR(-EPROBE_DEFER);
		goto out_put_node;
		return ERR_PTR(-EPROBE_DEFER);
	}

	/* If no regmap is found then the other device driver is at fault */
@@ -369,8 +369,7 @@ static struct regmap *sun8i_ths_get_sram_regmap(struct device_node *node)
		regmap = ERR_PTR(-EINVAL);

	platform_device_put(sram_pdev);
out_put_node:
	of_node_put(sram_node);

	return regmap;
}