dm: core: Add uclass_first_device_err() to return a valid device

[u-boot] / drivers / gpio / altera_pio.c

diff --git a/drivers/gpio/altera_pio.c b/drivers/gpio/altera_pio.c
index 7ceb80e9510f3320956a1253603b0e6e9717a0c6..6f42bf8a2269018f17004943fd4e328efc948f0e 100644 (file)
--- a/drivers/gpio/altera_pio.c
+++ b/drivers/gpio/altera_pio.c
@@ -89,8 +89,9 @@ static int altera_pio_ofdata_to_platdata(struct udevice *dev)
 {
        struct altera_pio_platdata *plat = dev_get_platdata(dev);
 
-       plat->regs = ioremap(dev_get_addr(dev),
-               sizeof(struct altera_pio_regs));
+       plat->regs = map_physmem(dev_get_addr(dev),
+                                sizeof(struct altera_pio_regs),
+                                MAP_NOCACHE);
        plat->gpio_count = fdtdec_get_int(gd->fdt_blob, dev->of_offset,
                "altr,gpio-bank-width", 32);
        plat->bank_name = fdt_getprop(gd->fdt_blob, dev->of_offset,