.setup_interface first gets called with a "target" value of NAND_DATA_IFACE_CHECK_ONLY, in which case an error is expected if the controller driver does not support the timing mode (NVDDR).

Fixes: a9ecc8c814e9 ("mtd: rawnand: Choose the best timings, NV-DDR included") Signed-off-by: Val Packett val@packett.cool Cc: stable@vger.kernel.org --- drivers/mtd/nand/raw/rockchip-nand-controller.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/mtd/nand/raw/rockchip-nand-controller.c b/drivers/mtd/nand/raw/rockchip-nand-controller.c index 7baaef69d..555804476 100644 --- a/drivers/mtd/nand/raw/rockchip-nand-controller.c +++ b/drivers/mtd/nand/raw/rockchip-nand-controller.c @@ -420,13 +420,13 @@ static int rk_nfc_setup_interface(struct nand_chip *chip, int target, u32 rate, tc2rw, trwpw, trw2c; u32 temp;

- if (target < 0) - return 0; - timings = nand_get_sdr_timings(conf); if (IS_ERR(timings)) return -EOPNOTSUPP;

+ if (target < 0) + return 0; + if (IS_ERR(nfc->nfc_clk)) rate = clk_get_rate(nfc->ahb_clk); else