powerpc/platforms/83xx: Use of_device_get_match_data()

Use of_device_get_match_data() to simplify the code.

Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Minghao Chi (CGEL ZTE) <chi.minghao@zte.com.cn>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20220225010737.2038781-1-chi.minghao@zte.com.cn

diff --git a/arch/powerpc/platforms/83xx/suspend.c b/arch/powerpc/platforms/83xx/suspend.c
index bb147d3..6d47a5b 100644 (file)
--- a/arch/powerpc/platforms/83xx/suspend.c
+++ b/arch/powerpc/platforms/83xx/suspend.c
@@ -322,18 +322,15 @@ static const struct platform_suspend_ops mpc83xx_suspend_ops = {
 static const struct of_device_id pmc_match[];
 static int pmc_probe(struct platform_device *ofdev)
 {
-       const struct of_device_id *match;
        struct device_node *np = ofdev->dev.of_node;
        struct resource res;
        const struct pmc_type *type;
        int ret = 0;
 
-       match = of_match_device(pmc_match, &ofdev->dev);
-       if (!match)
+       type = of_device_get_match_data(&ofdev->dev);
+       if (!type)
                return -EINVAL;
 
-       type = match->data;
-
        if (!of_device_is_available(np))
                return -ENODEV;