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authorLad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>2020-11-26 19:11:42 +0000
committerKrzysztof Kozlowski <krzk@kernel.org>2020-11-28 12:31:35 +0100
commita0453f4ed066cae651b3119ed11f52d31dae1eca (patch)
tree7d00954218f772d63c724fdaf842c67fe43e9650 /drivers/memory
parent5445a0c0d3366358e7ac44efa108b6fd359873e3 (diff)
memory: renesas-rpc-if: Return correct value to the caller of rpcif_manual_xfer()
In the error path of rpcif_manual_xfer() the value of ret is overwritten by value returned by reset_control_reset() function and thus returning incorrect value to the caller. This patch makes sure the correct value is returned to the caller of rpcif_manual_xfer() by dropping the overwrite of ret in error path. Also now we ignore the value returned by reset_control_reset() in the error path and instead print a error message when it fails. Fixes: ca7d8b980b67f ("memory: add Renesas RPC-IF driver") Reported-by: Pavel Machek <pavel@denx.de> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Sergei Shtylyov <sergei.shtylyov@gmail.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Pavel Machek (CIP) <pavel@denx.de> Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20201126191146.8753-2-prabhakar.mahadev-lad.rj@bp.renesas.com Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Diffstat (limited to 'drivers/memory')
-rw-r--r--drivers/memory/renesas-rpc-if.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/memory/renesas-rpc-if.c b/drivers/memory/renesas-rpc-if.c
index f2a33a1af836..69f2e2b4cd50 100644
--- a/drivers/memory/renesas-rpc-if.c
+++ b/drivers/memory/renesas-rpc-if.c
@@ -508,7 +508,8 @@ exit:
return ret;
err_out:
- ret = reset_control_reset(rpc->rstc);
+ if (reset_control_reset(rpc->rstc))
+ dev_err(rpc->dev, "Failed to reset HW\n");
rpcif_hw_init(rpc, rpc->bus_size == 2);
goto exit;
}