linux-kernel - Re: [PATCH v9 2/2] EDAC: al-mc-edac: Introduce Amazon's Annapurna Labs Memory Controller EDAC

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Message-ID: <20200815183358.GE25814@zn.tnic>
Date:   Sat, 15 Aug 2020 20:33:58 +0200
From:   Borislav Petkov <bp@...en8.de>
To:     Talel Shenhar <talel@...zon.com>
Cc:     mchehab@...nel.org, james.morse@....com, davem@...emloft.net,
        gregkh@...uxfoundation.org, nicolas.ferre@...rochip.com,
        robh+dt@...nel.org, mark.rutland@....com, catalin.marinas@....com,
        will@...nel.org, linux-edac@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, hhhawa@...zon.com,
        ronenk@...zon.com, jonnyc@...zon.com, hanochu@...zon.com,
        eitan@...zon.com
Subject: Re: [PATCH v9 2/2] EDAC: al-mc-edac: Introduce Amazon's Annapurna
 Labs Memory Controller EDAC

On Tue, Jul 28, 2020 at 12:51:55PM +0300, Talel Shenhar wrote:
> +static void al_mc_edac_check(struct mem_ctl_info *mci)
> +{
> +	struct al_mc_edac *al_mc = mci->pvt_info;
> +
> +	if (al_mc->irq_ue <= 0)
> +		handle_ue(mci);
> +
> +	if (al_mc->irq_ce <= 0)
> +		handle_ce(mci);
> +}
> +
> +static irqreturn_t al_mc_edac_irq_handler_ue(int irq, void *info)
> +{
> +	struct platform_device *pdev = info;
> +	struct mem_ctl_info *mci = platform_get_drvdata(pdev);
> +
> +	if (handle_ue(mci))
> +		return IRQ_HANDLED;
> +	return IRQ_NONE;
> +}
> +
> +static irqreturn_t al_mc_edac_irq_handler_ce(int irq, void *info)
> +{
> +	struct platform_device *pdev = info;
> +	struct mem_ctl_info *mci = platform_get_drvdata(pdev);
> +
> +	if (handle_ce(mci))
> +		return IRQ_HANDLED;
> +	return IRQ_NONE;
> +}
> +
> +static enum scrub_type al_mc_edac_get_scrub_mode(void __iomem *mmio_base)
> +{
> +	u32 ecccfg0;
> +
> +	ecccfg0 = readl(mmio_base + AL_MC_ECC_CFG);
> +
> +	if (FIELD_GET(AL_MC_ECC_CFG_SCRUB_DISABLED, ecccfg0))
> +		return SCRUB_NONE;
> +	else
> +		return SCRUB_HW_SRC;
> +}
> +
> +static void devm_al_mc_edac_free(void *data)
> +{
> +	edac_mc_free(data);
> +}
> +
> +static void devm_al_mc_edac_del(void *data)
> +{
> +	edac_mc_del_mc(data);
> +}

>From a previous review:

I said:

> Drop the "al_mc_edac_" prefix from most of the static functions. You can
> leave it in the probe function or the IRQ handler so that it is visible
> in stack traces but all those small functions don't need that prefix.

You replied with:

> Shall be part of v7.

and yet it ain't part of any v<num>.

Why?

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette