Re: [PATCH 5/6] edac: Add support for Krait CPU cache error detection

From: Mark Rutland
Date: Mon Oct 28 2013 - 21:28:36 EST


On Tue, Oct 29, 2013 at 12:31:29AM +0000, Stephen Boyd wrote:
> Add support for the Krait CPU cache error detection. This is a
> simplified version of the code originally written by Stepan
> Moskovchenko[1] ported to the EDAC device framework.
>
> [1] https://www.codeaurora.org/cgit/quic/la/kernel/msm/tree/arch/arm/mach-msm/cache_erp.c?h=msm-3.4
>
> Cc: Stepan Moskovchenko <stepanm@xxxxxxxxxxxxxx>
> Signed-off-by: Stephen Boyd <sboyd@xxxxxxxxxxxxxx>
> ---
> drivers/edac/Kconfig | 8 ++
> drivers/edac/Makefile | 2 +
> drivers/edac/krait_edac.c | 336 ++++++++++++++++++++++++++++++++++++++++++++++
> 3 files changed, 346 insertions(+)
> create mode 100644 drivers/edac/krait_edac.c

[...]

> +static int krait_edac_probe(struct platform_device *pdev)
> +{
> + struct device *dev = &pdev->dev;
> + struct edac_device_ctl_info *edev;
> + struct krait_edac *p;
> + int l1_irq, l2_irq;
> + int ret;
> + int cpu;
> +
> + l1_irq = platform_get_irq(pdev, 0);
> + if (l1_irq < 0)
> + return l1_irq;
> +
> + l2_irq = platform_get_irq(pdev, 1);
> + if (l2_irq < 0)
> + return l2_irq;

As you have optional interrupt-names, I would prefer that you attempted to
request interrupts by name if interrupt-names is present. Otherwise
interrupt-names brings no value.

Thanks,
Mark.
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