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authorSean Anderson <seanga2@gmail.com>2020-10-17 01:57:46 +0300
committerJagan Teki <jagan@amarulasolutions.com>2020-12-18 13:46:36 +0300
commitc785f43ffdf402ecd109bbce972c25e32bc4c85b (patch)
tree3aa7913822d5c453b20ffa5dda3cd7afccbcb326 /drivers/spi/designware_spi.c
parent13fc44e2223b90290a2bfdfe97d3a9d37b90c7a0 (diff)
downloadu-boot-c785f43ffdf402ecd109bbce972c25e32bc4c85b.tar.xz
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 <seanga2@gmail.com> Tested-by Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com> Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
Diffstat (limited to 'drivers/spi/designware_spi.c')
-rw-r--r--drivers/spi/designware_spi.c2
1 files changed, 2 insertions, 0 deletions
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",