gpio: pci-idio-16: Replace deprecated PCI functions

pcim_iomap_regions() and pcim_iomap_table() have been deprecated in
commit e354bb84a4c1 ("PCI: Deprecate pcim_iomap_table(),
pcim_iomap_regions_request_all()"). Replace these functions with
pcim_iomap_region().

In order to match the rest of the code in idio_16_probe(), utilize
dev_err_probe() to handle error for pcim_enable_device().

Signed-off-by: William Breathitt Gray <wbg@kernel.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20241101-pci_iomap_region_gpio_acces-v1-1-26eb1dc93e45@kernel.org
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

diff --git a/drivers/gpio/gpio-pci-idio-16.c b/drivers/gpio/gpio-pci-idio-16.c
index 44c0a21..64f332c 100644 (file)
--- a/drivers/gpio/gpio-pci-idio-16.c
+++ b/drivers/gpio/gpio-pci-idio-16.c
@@ -70,24 +70,17 @@ static int idio_16_probe(struct pci_dev *pdev, const struct pci_device_id *id)
        struct device *const dev = &pdev->dev;
        int err;
        const size_t pci_bar_index = 2;
-       const char *const name = pci_name(pdev);
        struct idio_16_regmap_config config = {};
        void __iomem *regs;
        struct regmap *map;
 
        err = pcim_enable_device(pdev);
-       if (err) {
-               dev_err(dev, "Failed to enable PCI device (%d)\n", err);
-               return err;
-       }
-
-       err = pcim_iomap_regions(pdev, BIT(pci_bar_index), name);
-       if (err) {
-               dev_err(dev, "Unable to map PCI I/O addresses (%d)\n", err);
-               return err;
-       }
+       if (err)
+               return dev_err_probe(dev, err, "Failed to enable PCI device\n");
 
-       regs = pcim_iomap_table(pdev)[pci_bar_index];
+       regs = pcim_iomap_region(pdev, pci_bar_index, pci_name(pdev));
+       if (IS_ERR(regs))
+               return dev_err_probe(dev, PTR_ERR(regs), "Unable to map PCI I/O addresses\n");
 
        map = devm_regmap_init_mmio(dev, regs, &idio_16_regmap_config);
        if (IS_ERR(map))