linux-kernel - Re: pata-macio WARNING at dmam_alloc

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Date:   Tue, 13 Feb 2018 18:46:20 +0200 (EET)
From:   Meelis Roos <mroos@...ux.ee>
To:     Christoph Hellwig <hch@....de>
cc:     linuxppc-dev@...ts.ozlabs.org, iommu@...ts.linux-foundation.org,
        Linux Kernel list <linux-kernel@...r.kernel.org>
Subject: Re: pata-macio WARNING at dmam_alloc_coherent+0xec/0x110

> Does this fix your warning?
> 
> diff --git a/drivers/macintosh/macio_asic.c b/drivers/macintosh/macio_asic.c
> index 62f541f968f6..07074820a167 100644
> --- a/drivers/macintosh/macio_asic.c
> +++ b/drivers/macintosh/macio_asic.c
> @@ -375,6 +375,7 @@ static struct macio_dev * macio_add_one_device(struct macio_chip *chip,
>  	dev->ofdev.dev.of_node = np;
>  	dev->ofdev.archdata.dma_mask = 0xffffffffUL;
>  	dev->ofdev.dev.dma_mask = &dev->ofdev.archdata.dma_mask;
> +	dev->ofdev.dev.coherent_dma_mask = dev->ofdev.archdata.dma_mask;
>  	dev->ofdev.dev.parent = parent;
>  	dev->ofdev.dev.bus = &macio_bus_type;
>  	dev->ofdev.dev.release = macio_release_dev;

Yes, it does - thank you!

Tested-by: Meelis Roos <mroos@...ux.ee>

-- 
Meelis Roos (mroos@...ux.ee)