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From: Peter Oh <peter.oh@eero.com>
To: Arend van Spriel <aspriel@gmail.com>,
	Fabio Estevam <festevam@denx.de>,
	kvalo@codeaurora.org
Cc: ath10k@lists.infradead.org, linux-wireless@vger.kernel.org,
	hch@lst.de, erik.stromdahl@gmail.com
Subject: Re: [PATCH] ath10k: Do not call dma_alloc_coherent() for SDIO and USB
Date: Wed, 18 Aug 2021 10:30:36 -0700	[thread overview]
Message-ID: <369c1f89-df33-455b-773e-a2e0dbf582ff@eero.com> (raw)
In-Reply-To: <17b5a29d098.279b.9696ff82abe5fb6502268bdc3b0467d4@gmail.com>


>> Fix the problem by not calling dma_alloc_coherent() when the device
>> is not DMA capable, such as SDIO and USB.
>>
ath10k calls dma_alloc_coherent multiple places including 
ath10k_htt_rx_alloc.

Do SDIO and USB not use such data path function at all?

Thanks,

Peter


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  reply	other threads:[~2021-08-18 17:31 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-18 15:09 [PATCH] ath10k: Do not call dma_alloc_coherent() for SDIO and USB Fabio Estevam
2021-08-18 16:48 ` Arend van Spriel
2021-08-18 17:30   ` Peter Oh [this message]
2021-08-18 20:43     ` Fabio Estevam
2021-08-18 21:09     ` Fabio Estevam
2021-08-18 20:58   ` Fabio Estevam

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