Hi Igor, Not found your original mail, so reply Stefan's mail here.
> -----Original Message----- > From: Stefan Agner [mailto:ste...@agner.ch] > Sent: 2019年5月13日 21:56 > To: Igor Opaniuk <igor.opan...@toradex.com> > Cc: u-boot@lists.denx.de; feste...@gmail.com; dl-uboot-imx > <uboot-...@nxp.com>; albert.u.b...@aribaud.net; Peng Fan > <peng....@nxp.com>; ag...@denx.de; Marcel Ziswiler > <marcel.ziswi...@toradex.com>; mar...@ziswiler.com; Max Krummenacher > <max.krummenac...@toradex.com>; sba...@denx.de > Subject: Re: [PATCH 1/1] imx8: cpu: fix warning for cpu_imx_get_temp > > Hi Igor, > > On 13.05.2019 12:46, Igor Opaniuk wrote: > > cpu_imx_get_temp() definition is wrapped with a ifdef macro, therefore > > all function references should be also wrapped the same way instead > > IS_ENABLED() usage. Are you trying to fix https://patchwork.ozlabs.org/patch/1095430/ ? Thanks, Peng > > > > Fix warning: > > arch/arm/mach-imx/imx8/cpu.c: In function ‘cpu_imx_get_desc’: > > arch/arm/mach-imx/imx8/cpu.c:612:40: warning: implicit declaration of > > function ‘cpu_imx_get_temp’; did you mean ‘cpu_imx_get_desc’? > > [-Wimplicit-function-declaration] > > ret = snprintf(buf, size, " at %dC", cpu_imx_get_temp()); > > ^~~~~~~~~~~~~~~~ > > cpu_imx_get_desc > > cpu_imx_get_desc > > > > Using IS_ENABLED is typically preferred over ifdef since it assures that the > code is compileable even if CONFIG_IMX_SCU_THERMAL is not enabled. > > I'd rather prefer we drop the the ifdef around cpu_imx_get_temp(). The linker > will remove the function in case CONFIG_IMX_SCU_THERMAL is not enabled. > > -- > Stefan > > > Fixes: 82467cb217 ("imx8: cpu: get temperature when print cpu desc") > > Signed-off-by: Igor Opaniuk <igor.opan...@toradex.com> > > --- > > arch/arm/mach-imx/imx8/cpu.c | 10 +++++----- > > 1 file changed, 5 insertions(+), 5 deletions(-) > > > > diff --git a/arch/arm/mach-imx/imx8/cpu.c > > b/arch/arm/mach-imx/imx8/cpu.c index 12596c6387..616baed7cc 100644 > > --- a/arch/arm/mach-imx/imx8/cpu.c > > +++ b/arch/arm/mach-imx/imx8/cpu.c > > @@ -606,11 +606,11 @@ int cpu_imx_get_desc(struct udevice *dev, char > > *buf, int size) > > ret = snprintf(buf, size, "NXP i.MX8%s Rev%s %s at %u MHz", > > plat->type, plat->rev, plat->name, plat->freq_mhz); > > > > - if (IS_ENABLED(CONFIG_IMX_SCU_THERMAL)) { > > - buf = buf + ret; > > - size = size - ret; > > - ret = snprintf(buf, size, " at %dC", cpu_imx_get_temp()); > > - } > > +#if defined(CONFIG_IMX_SCU_THERMAL) > > + buf = buf + ret; > > + size = size - ret; > > + ret = snprintf(buf, size, " at %dC", cpu_imx_get_temp()); #endif > > > > snprintf(buf + ret, size - ret, "\n"); _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot