soc: mediatek: use of_device_get_match_data()
authorRyder Lee <ryder.lee@mediatek.com>
Mon, 16 Apr 2018 02:33:34 +0000 (10:33 +0800)
committerMatthias Brugger <matthias.bgg@gmail.com>
Tue, 17 Apr 2018 14:36:44 +0000 (16:36 +0200)
The usage of of_device_get_match_data() reduce the code size a bit.

Also, the only way to call pwrap_probe() is to match an entry in
of_pwrap_match_tbl[], so of_id cannot be NULL.

Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
drivers/soc/mediatek/mtk-pmic-wrap.c
drivers/soc/mediatek/mtk-scpsys.c

index e9e054a..2afae64 100644 (file)
@@ -1458,19 +1458,12 @@ static int pwrap_probe(struct platform_device *pdev)
        int ret, irq;
        struct pmic_wrapper *wrp;
        struct device_node *np = pdev->dev.of_node;
-       const struct of_device_id *of_id =
-               of_match_device(of_pwrap_match_tbl, &pdev->dev);
        const struct of_device_id *of_slave_id = NULL;
        struct resource *res;
 
-       if (!of_id) {
-               dev_err(&pdev->dev, "Error: No device match found\n");
-               return -ENODEV;
-       }
+       if (np->child)
+               of_slave_id = of_match_node(of_slave_match_tbl, np->child);
 
-       if (pdev->dev.of_node->child)
-               of_slave_id = of_match_node(of_slave_match_tbl,
-                                           pdev->dev.of_node->child);
        if (!of_slave_id) {
                dev_dbg(&pdev->dev, "slave pmic should be defined in dts\n");
                return -EINVAL;
@@ -1482,7 +1475,7 @@ static int pwrap_probe(struct platform_device *pdev)
 
        platform_set_drvdata(pdev, wrp);
 
-       wrp->master = of_id->data;
+       wrp->master = of_device_get_match_data(&pdev->dev);
        wrp->slave = of_slave_id->data;
        wrp->dev = &pdev->dev;
 
index d762a46..a31ac4a 100644 (file)
@@ -1067,15 +1067,13 @@ static const struct of_device_id of_scpsys_match_tbl[] = {
 
 static int scpsys_probe(struct platform_device *pdev)
 {
-       const struct of_device_id *match;
        const struct scp_subdomain *sd;
        const struct scp_soc_data *soc;
        struct scp *scp;
        struct genpd_onecell_data *pd_data;
        int i, ret;
 
-       match = of_match_device(of_scpsys_match_tbl, &pdev->dev);
-       soc = (const struct scp_soc_data *)match->data;
+       soc = of_device_get_match_data(&pdev->dev);
 
        scp = init_scp(pdev, soc->domains, soc->num_domains, &soc->regs,
                        soc->bus_prot_reg_update);