From: Adam Ford Date: Mon, 18 Jan 2021 21:32:49 +0000 (-0600) Subject: spi: nxp_fspi: Fix error reporting X-Git-Url: http://git.dujemihanovic.xyz/img/static/%7B%7B%20%24.Site.BaseURL%20%7D%7Dposts/index.xml?a=commitdiff_plain;h=90d76f812b29c88f47279eca034da70d30a798d9;p=u-boot.git 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 Reviewed-by: Pratyush Yadav Reviewed-by: Jagan Teki --- diff --git a/drivers/spi/nxp_fspi.c b/drivers/spi/nxp_fspi.c index 012f304595..6c5bad4c2c 100644 --- a/drivers/spi/nxp_fspi.c +++ b/drivers/spi/nxp_fspi.c @@ -823,7 +823,7 @@ static int nxp_fspi_default_setup(struct nxp_fspi *f) /* the default frequency, we will change it later if necessary. */ ret = clk_set_rate(&f->clk, 20000000); - if (ret) + if (ret < 0) return ret; ret = nxp_fspi_clk_prep_enable(f); @@ -914,7 +914,7 @@ static int nxp_fspi_set_speed(struct udevice *bus, uint speed) nxp_fspi_clk_disable_unprep(f); ret = clk_set_rate(&f->clk, speed); - if (ret) + if (ret < 0) return ret; ret = nxp_fspi_clk_prep_enable(f);