[PATCH] imx8: Correct the SCU API return value check

[Peng Fan]

> Subject: Re: [PATCH] imx8: Correct the SCU API return value check
> 
> On Sat, Oct 5, 2024 at 9:01 PM Peng Fan (OSS)
> <peng.fan at oss.nxp.com> wrote:
> >
> > From: Peng Fan <peng.fan at nxp.com>
> >
> > The SCU API alrdeay has been converted to return Linux error code,
> > using SCU error code is not correct here, although SC_ERR_NONE is
> > value as 0.
> >
> > Signed-off-by: Peng Fan <peng.fan at nxp.com>
> 
> This causes the following build failure:
> 
> aarch64: + colibri-imx8x
> 304+WARNING 'mx8qx-ahab-container.img' not found, resulting binary
> is
> not-functional
> 305+arch/arm/mach-imx/imx8/cpu.c: In function
> 'arch_auxiliary_core_up':
> 306+arch/arm/mach-imx/imx8/cpu.c:249:9: error: 'ret' undeclared
> (first
> use in this function)
> 307+ 249 | ret = sc_pm_set_resource_power_mode(-1, core_rsrc,
> 307+ SC_PM_PW_MODE_ON);
> 308+ | ^~~
> 309+arch/arm/mach-imx/imx8/cpu.c:249:9: note: each undeclared
> identifier is reported only once for each function it appears in
> 310+arch/arm/mach-imx/imx8/cpu.c:262:84: error: expected ';' before
> 'if'
> 311+ 262 | ret = sc_pm_clock_enable(-1, core_rsrc, SC_PM_CLK_PER,
> true,
> 311+ false)
> 312+ | ^
> 313+ | ;
> 314+ 263 | if (ret) {
> 315+ | ~~
> 316+arch/arm/mach-imx/imx8/cpu.c:260:37: error: unused variable
> 'pd'
> [-Werror=unused-variable]
> 317+ 260 | struct power_domain pd;
> 318+ | ^~
> 319+cc1: all warnings being treated as errors
> 320+make[3]: *** [scripts/Makefile.build:257:
> arch/arm/mach-imx/imx8/cpu.o] Error 1
> 321+make[2]: *** [scripts/Makefile.build:398: arch/arm/mach-
> imx/imx8]
> 321+Error 2
> 322+make[1]: *** [Makefile:1907: arch/arm/mach-imx] Error 2
> 323+make: *** [Makefile:177: sub-make] Error 2
> 
> Please make sure to run the patches through CI.

Ah. I built imx8qm_mek, no issue, but seems indeed issue for
8qxp. I will do more test.

Thanks,
Peng.