PCI: hisi: Use of_device_get_match_data() to simplify probe

The only way to call hisi_pcie_probe() is to match an entry in
hisi_pcie_of_match[], so match cannot be NULL.

Use of_device_get_match_data() to retrieve the soc_ops pointer.  No
functional change intended.

[bhelgaas: use of_device_get_match_data(), changelog]
Based-on-suggestion-from: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Shailendra Verma <shailendra.v@samsung.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

diff --git a/drivers/pci/host/pcie-hisi.c b/drivers/pci/host/pcie-hisi.c
index a301a71..33c201a 100644 (file)
--- a/drivers/pci/host/pcie-hisi.c
+++ b/drivers/pci/host/pcie-hisi.c
@@ -139,7 +139,7 @@ struct hisi_pcie {
        struct pcie_port pp;            /* pp.dbi_base is DT rc_dbi */
        struct regmap *subctrl;
        u32 port_id;
-       struct pcie_soc_ops *soc_ops;
+       const struct pcie_soc_ops *soc_ops;
 };
 
 /* HipXX PCIe host only supports 32-bit config access */
@@ -259,7 +259,6 @@ static int hisi_pcie_probe(struct platform_device *pdev)
        struct device *dev = &pdev->dev;
        struct hisi_pcie *hisi_pcie;
        struct pcie_port *pp;
-       const struct of_device_id *match;
        struct resource *reg;
        struct device_driver *driver;
        int ret;
@@ -272,11 +271,10 @@ static int hisi_pcie_probe(struct platform_device *pdev)
        pp->dev = dev;
        driver = dev->driver;
 
-       match = of_match_device(driver->of_match_table, dev);
-       hisi_pcie->soc_ops = (struct pcie_soc_ops *) match->data;
+       hisi_pcie->soc_ops = of_device_get_match_data(dev);
 
        hisi_pcie->subctrl =
-       syscon_regmap_lookup_by_compatible("hisilicon,pcie-sas-subctrl");
+           syscon_regmap_lookup_by_compatible("hisilicon,pcie-sas-subctrl");
        if (IS_ERR(hisi_pcie->subctrl)) {
                dev_err(dev, "cannot get subctrl base\n");
                return PTR_ERR(hisi_pcie->subctrl);