[PATCH v2 03/10] spi: dw: Use generic function to read reg address

[Sean Anderson]

Using an fdt-specific function causes problems when compiled with a live
tree.

Signed-off-by: Sean Anderson <seanga2 at gmail.com>
---
This patch was previously part of
https://patchwork.ozlabs.org/project/uboot/list/?series=161576

(no changes since v1)

 drivers/spi/designware_spi.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/spi/designware_spi.c b/drivers/spi/designware_spi.c
index ab68a66e1e..e0bb44259d 100644
--- a/drivers/spi/designware_spi.c
+++ b/drivers/spi/designware_spi.c
@@ -154,7 +154,9 @@ static int dw_spi_ofdata_to_platdata(struct udevice *bus)
 {
 	struct dw_spi_platdata *plat = bus->platdata;
 
-	plat->regs = (struct dw_spi *)devfdt_get_addr(bus);
+	plat->regs = dev_read_addr_ptr(bus);
+	if (!plat->regs)
+		return -EINVAL;
 
 	/* Use 500KHz as a suitable default */
 	plat->frequency = dev_read_u32_default(bus, "spi-max-frequency",
-- 
2.28.0