diff mbox series

[v5,21/33] spi: dw: Use generic function to read reg address

Message ID 20200228210552.615672-22-seanga2@gmail.com
State Superseded
Delegated to: Andes
Headers show
Series riscv: Add Sipeed Maix support | expand

Commit Message

Sean Anderson Feb. 28, 2020, 9:05 p.m. UTC 
Using an fdt-specific function causes problems when compiled with a live
tree.

Signed-off-by: Sean Anderson <seanga2@gmail.com>
---

Changes in v5:
- New

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

Patch

diff --git a/drivers/spi/designware_spi.c b/drivers/spi/designware_spi.c
index 765fa2f582..38c24fe550 100644
--- a/drivers/spi/designware_spi.c
+++ b/drivers/spi/designware_spi.c
@@ -161,7 +161,9 @@  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",