tree 8e913c8296dd93e7573edb6ffd1661dc5001e127
parent de76ae36f622177e9af38b158d7f2f753d826d2c
author Adam Ford <aford173@gmail.com> 1611005569 -0600
committer Jagan Teki <jagan@amarulasolutions.com> 1614332378 +0530

spi: nxp_fspi: Fix error reporting

On the i.MX8M Mini, ret = clk_set_rate() sets ret to the value of the
rate the clock was able to set.  When checking for errors, it only
checks that it is not NULL.  Since positive numbers are not errors,
only check for negative numbers when handling errors.

Fixes: 383fded70c4f ("spi: nxp_fspi: new driver for the FlexSPI controller")
Signed-off-by: Adam Ford <aford173@gmail.com>
Reviewed-by: Pratyush Yadav <p.yadav@ti.com>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>