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Message-ID: <20230418175000.GLZD7YSNkIKk8ltGIw@fat_crate.local> Date: Tue, 18 Apr 2023 19:50:00 +0200 From: Borislav Petkov <bp@...en8.de> To: Rob Herring <robh@...nel.org> Cc: Tony Luck <tony.luck@...el.com>, James Morse <james.morse@....com>, Mauro Carvalho Chehab <mchehab@...nel.org>, Robert Richter <rric@...nel.org>, linux-edac@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH 2/2] edac: cpc925: Use of_get_cpu_hwid() to read CPU node 'reg' On Sun, Mar 19, 2023 at 10:01:41AM -0500, Rob Herring wrote: > Replace open coded reading of CPU nodes' "reg" properties with > of_get_cpu_hwid() dedicated for this purpose. > > Signed-off-by: Rob Herring <robh@...nel.org> > --- > drivers/edac/cpc925_edac.c | 6 +++--- > 1 file changed, 3 insertions(+), 3 deletions(-) > > diff --git a/drivers/edac/cpc925_edac.c b/drivers/edac/cpc925_edac.c > index ee193aae8e14..0182436c1b5a 100644 > --- a/drivers/edac/cpc925_edac.c > +++ b/drivers/edac/cpc925_edac.c > @@ -557,13 +557,13 @@ static u32 cpc925_cpu_mask_disabled(void) > mask = APIMASK_ADI0 | APIMASK_ADI1; > > for_each_of_cpu_node(cpunode) { > - const u32 *reg = of_get_property(cpunode, "reg", NULL); > - if (reg == NULL || *reg > 2) { > + int hwid = of_get_cpu_hwid(cpunode, 0); > + if ((hwid < 0) || (hwid > 2)) { > cpc925_printk(KERN_ERR, "Bad reg value at %pOF\n", cpunode); > continue; > } > > - mask &= ~APIMASK_ADI(*reg); > + mask &= ~APIMASK_ADI(hwid); > } > > if (mask != (APIMASK_ADI0 | APIMASK_ADI1)) { > -- $ grep CPC925 .config CONFIG_EDAC_CPC925=m $ make ARCH=powerpc CROSS_COMPILE=/home/boris/src/crosstool/gcc-11.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux- ... ERROR: modpost: ".of_get_cpu_hwid" [drivers/edac/cpc925_edac.ko] undefined! make[1]: *** [scripts/Makefile.modpost:136: Module.symvers] Error 1 make: *** [Makefile:1980: modpost] Error 2 -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette
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