Re: [PATCH 1/3] ram: rk3399: Fix .set_rate_index() error handling

[Kever Yang]

On 2022/6/21 18:07, Lee Jones wrote:

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.jo...@linaro.org>

Reviewed-by: Kever Yang <kever.y...@rock-chips.com>

Thanks,
- Kever

---
  drivers/ram/rockchip/sdram_rk3399.c | 4 +++-
  1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/ram/rockchip/sdram_rk3399.c 
b/drivers/ram/rockchip/sdram_rk3399.c
index c0a06dcaed..0af0fa9e7b 100644
--- a/drivers/ram/rockchip/sdram_rk3399.c
+++ b/drivers/ram/rockchip/sdram_rk3399.c
@@ -3005,7 +3005,9 @@ static int sdram_init(struct dram_info *dram,
        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;