linux-kernel - remove the dma_set_{max_seg_size,seg_boundary,min_align

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Message-ID: <20240723000604.241443-1-hch@lst.de>
Date: Mon, 22 Jul 2024 17:05:54 -0700
From: Christoph Hellwig <hch@....de>
To: Robin Murphy <robin.murphy@....com>,
	Marek Szyprowski <m.szyprowski@...sung.com>
Cc: iommu@...ts.linux.dev,
	linux-kernel@...r.kernel.org
Subject: remove the dma_set_{max_seg_size,seg_boundary,min_align_mask} return value

Hi all,

the above three functions can only return errors if the bus code failed
to allocate the dma_parms structure, which is a grave error that won't
get us far.  Thus remove the pointless return values, that so far have
fortunately been mostly ignored, but which the cleanup brigade now wants
to check for for no good reason.

I'd love to get this in after -rc1 so that we can catch any of those
cleanups that might be queued up for this merge window.