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

Sean Anderson
2020-02-28T21:05:39Z

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 --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",
--
2.25.0