From c785f43ffdf402ecd109bbce972c25e32bc4c85b Mon Sep 17 00:00:00 2001 From: Sean Anderson Date: Fri, 16 Oct 2020 18:57:46 -0400 Subject: [PATCH] spi: dw: Use generic function to read reg address Using an fdt-specific function causes problems when compiled with a live tree. Signed-off-by: Sean Anderson Tested-by Eugeniy Paltsev Reviewed-by: Jagan Teki --- drivers/spi/designware_spi.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/spi/designware_spi.c b/drivers/spi/designware_spi.c index 32de33f695..e8ba80ef41 100644 --- a/drivers/spi/designware_spi.c +++ b/drivers/spi/designware_spi.c @@ -160,6 +160,8 @@ static int dw_spi_ofdata_to_platdata(struct udevice *bus) struct dw_spi_platdata *plat = bus->platdata; 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", -- 2.39.5