ram: rk3399: Fix .set_rate_index() error handling
Functions pointed to by this op pointer can return non-zero values
indicating an error. Ensure any error value is propagated back up the
call-chain.
Signed-off-by: Lee Jones <lee@kernel.org>
Tested-by: Xavier Drudis Ferran <xdrudis@tinet.cat>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/drivers/ram/rockchip/sdram_rk3399.c b/drivers/ram/rockchip/sdram_rk3399.c
index 8b4d525..5faff39 100644
--- a/drivers/ram/rockchip/sdram_rk3399.c
+++ b/drivers/ram/rockchip/sdram_rk3399.c
@@ -3005,7 +3005,9 @@
params->base.stride = calculate_stride(params);
dram_all_config(dram, params);
- dram->ops->set_rate_index(dram, params);
+ ret = dram->ops->set_rate_index(dram, params);
+ if (ret)
+ return ret;
debug("Finish SDRAM initialization...\n");
return 0;