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SubjectRe: [PATCH] drivers/edac: NO_IRQ removal from powerpc-only drivers
Date
Arnd Bergmann <arnd@arndb.de> writes:

> On Monday, September 12, 2016 2:47:37 PM CEST Michael Ellerman wrote:
>> >> @@ -1058,7 +1058,7 @@ static int mpc85xx_mc_err_probe(struct platform_device *op)
>> >>
>> >> pdata = mci->pvt_info;
>> >> pdata->name = "mpc85xx_mc_err";
>> >> - pdata->irq = NO_IRQ;
>> >> + pdata->irq = 0;
>> >> mci->pdev = &op->dev;
>> >> pdata->edac_idx = edac_mc_idx++;
>> >> dev_set_drvdata(mci->pdev, mci);
>> >
>> > That part went into drivers/edac/fsl_ddr_edac.c which is only the
>> > freescale memory controller being shared between ARM and PPC, see
>> >
>> > http://git.kernel.org/cgit/linux/kernel/git/bp/bp.git/log/?h=for-next
>> >
>> > But that shouldn't change the issue wrt ->irq as now it is implicitly 0.
>>
>> Ah OK.
>>
>> NO_IRQ is -1 on ARM (or at least it can be?), see arch/arm/include/asm/irq.h.
>>
>> So I'll leave that one alone for now.
>
> I don't think there is any way to build the mpc85xx on ARM, it depends
> on the powerpc-specific "FSL_SOC" symbol and it uses the in_be32/out_be32
> MMIO helpers that are not defined on ARM.

Yeah you're right. The common code between powerpc and arm64 is in
fsl_ddr_edac.c, not mpc85xx_edac.c. There are no uses of NO_IRQ

Will send a v2 with all uses removed from drivers/edac.

cheers

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