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    SubjectRe: [PATCH v6 0/4] can: esd: add support for esd GmbH PCIe/402 CAN interface
    On 01.12.2021 23:03:24, Stefan Mätje wrote:
    > *Note*: scripts/checkpatch.pl still emits the following warnings:
    > - esd_402_pci-core.c:270: Possible unnecessary 'out of memory' message
    > This error message is there to tell the user that the DMA allocation
    > failed and not an allocation for normal kernel memory.

    The kernel takes care of printing a error message in case the DMA mem
    allocation fails. This is why checkpatch asks you to remove that message.

    > - esdacc.h:255: The irq_cnt pointer is still declared volatile and
    > this has a reason and is explained in detail in the header
    > referencing the exception noted in volatile-considered-harmful.rst.

    I'll look into this, I'll probably ask you to explain the IRQ demux to
    me :)

    regards,
    Marc

    --
    Pengutronix e.K. | Marc Kleine-Budde |
    Embedded Linux | https://www.pengutronix.de |
    Vertretung West/Dortmund | Phone: +49-231-2826-924 |
    Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
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