linux-kernel - Re: [PATCH v2] IB/mthca: Remove useless DMA-32 fallback configuration

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Date:   Fri, 28 Jan 2022 10:51:47 -0400
From:   Jason Gunthorpe <jgg@...dia.com>
To:     Christophe JAILLET <christophe.jaillet@...adoo.fr>
Cc:     linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
        linux-rdma@...r.kernel.org
Subject: Re: [PATCH v2] IB/mthca: Remove useless DMA-32 fallback configuration

On Sat, Jan 15, 2022 at 08:45:05AM +0100, Christophe JAILLET wrote:
> As stated in [1], dma_set_mask() with a 64-bit mask never fails if
> dev->dma_mask is non-NULL.
> So, if it fails, the 32 bits case will also fail for the same reason.
> 
> Simplify code and remove some dead code accordingly.
> 
> [1]: https://lore.kernel.org/linux-kernel/YL3vSPK5DXTNvgdx@infradead.org/#t
> 
> Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
> ---
> v2: Update link to use lore instead of lklm
> ---
>  drivers/infiniband/hw/mthca/mthca_main.c | 8 ++------
>  1 file changed, 2 insertions(+), 6 deletions(-)

Applied to for-next, thanks

Jason