linux-kernel - Re: [PATCH RESEND 2/2] dmaengine: apple-admac: Allocate cache SRAM to channels

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Message-ID: <Y0/1tfNX1hwX6EFk@matsya>
Date:   Wed, 19 Oct 2022 18:33:49 +0530
From:   Vinod Koul <vkoul@...nel.org>
To:     Martin Povišer <povik+lin@...ebit.org>
Cc:     asahi@...ts.linux.dev, dmaengine@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH RESEND 2/2] dmaengine: apple-admac: Allocate cache SRAM
 to channels

On 03-10-22, 10:10, Martin Povišer wrote:
> There's a previously unknown part of the controller interface: We have
> to assign SRAM carveouts to channels to store their in-flight samples
> in. So, obtain the size of the SRAM from a read-only register and divide
> it into 2K blocks for allocation to channels. The FIFO depths we
> configure will always fit into 2K.
> 
> (This fixes audio artifacts during simultaneous playback/capture on
> multiple channels -- which looking back is fully accounted for by having
> had the caches in the DMA controller overlap in memory.)

This fails to apply for me, please rebase and resend...

While fixing, I think it would make sense to s/alloced/allocated perhpas

and also fix the indent in split lines to align with preceeding brace
(hint checkpatch --strict would tell you)

-- 
~Vinod