linux-kernel - Re: [PATCH] mmc: dw_mmc: fix pio mode when internal dmac is enabled

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Date:	Mon, 17 Aug 2015 12:34:09 +0200
From:	Ulf Hansson <ulf.hansson@...aro.org>
To:	Jaehoon Chung <jh80.chung@...sung.com>
Cc:	Heiko Stübner <heiko@...ech.de>,
	Seungwon Jeon <tgih.jun@...sung.com>,
	linux-mmc <linux-mmc@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] mmc: dw_mmc: fix pio mode when internal dmac is enabled

[...]

>>> -               mmc->max_seg_size = mmc->max_req_size;
>>> -#endif /* CONFIG_MMC_DW_IDMAC */
>>> +               if (host->use_dma) {
>>> +                       mmc->max_segs = host->ring_size;
>>
>> I expect this may cause a compiler error since host->ring_size is only
>> available in the struct dw_mci *host when CONFIG_MMC_DW_IDMAC is set.
>>
>> I have already pulled in this patch from Jaehoon's pull request.
>> Perhaps I should only amend the patch and change the host->ring_size
>> to be always available no matter if CONFIG_MMC_DW_IDMAC is set or not?
>
> Sorry for this. if you can, i think good that CONFIG_MMC_DW_IDMAC is removed at struct dw_mci.
> Could you amend it?
> If you want to get patch, i will send patch at now.

No worries, I amend the patch myself.

Kind regards
Uffe
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