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Date:   Fri,  4 Mar 2022 01:18:30 +0000
From:   cgel.zte@...il.com
To:     mpe@...erman.id.au
Cc:     benh@...nel.crashing.org, paulus@...ba.org, maz@...nel.org,
        tglx@...utronix.de, jgg@...pe.ca, linuxppc-dev@...ts.ozlabs.org,
        linux-kernel@...r.kernel.org, Minghao Chi <chi.minghao@....com.cn>,
        Zeal Robot <zealci@....com.cn>
Subject: [PATCH] powerpc/sysdev: Use of_device_get_match_data()

From: Minghao Chi (CGEL ZTE) <chi.minghao@....com.cn>

Use of_device_get_match_data() to simplify the code.

Reported-by: Zeal Robot <zealci@....com.cn>
Signed-off-by: Minghao Chi (CGEL ZTE) <chi.minghao@....com.cn>
---
 arch/powerpc/sysdev/fsl_msi.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/arch/powerpc/sysdev/fsl_msi.c b/arch/powerpc/sysdev/fsl_msi.c
index b3475ae9f236..9d135bbb30b7 100644
--- a/arch/powerpc/sysdev/fsl_msi.c
+++ b/arch/powerpc/sysdev/fsl_msi.c
@@ -387,7 +387,6 @@ static int fsl_msi_setup_hwirq(struct fsl_msi *msi, struct platform_device *dev,
 static const struct of_device_id fsl_of_msi_ids[];
 static int fsl_of_msi_probe(struct platform_device *dev)
 {
-	const struct of_device_id *match;
 	struct fsl_msi *msi;
 	struct resource res, msiir;
 	int err, i, j, irq_index, count;
@@ -397,10 +396,7 @@ static int fsl_of_msi_probe(struct platform_device *dev)
 	u32 offset;
 	struct pci_controller *phb;
 
-	match = of_match_device(fsl_of_msi_ids, &dev->dev);
-	if (!match)
-		return -EINVAL;
-	features = match->data;
+	features = of_device_get_match_data(&dev->dev);
 
 	printk(KERN_DEBUG "Setting up Freescale MSI support\n");
 
-- 
2.25.1

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