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From: Arnd Bergmann <arnd@arndb.de>
To: Simon Horman <horms+renesas@verge.net.au>
Cc: Wolfram Sang <wsa+renesas@sang-engineering.com>,
	Ulf Hansson <ulf.hansson@linaro.org>,
	Magnus Damm <magnus.damm@gmail.com>,
	linux-mmc@vger.kernel.org, linux-renesas-soc@vger.kernel.org
Subject: Re: [PATCH/RFC v3 1/6] mmc: sh_mobile_sdhi, tmio: make dma more modular
Date: Wed, 06 Jul 2016 22:43:26 +0200	[thread overview]
Message-ID: <3888420.7E5mgG7hxa@wuerfel> (raw)
In-Reply-To: <1467836610-18539-2-git-send-email-horms+renesas@verge.net.au>

On Wednesday, July 6, 2016 10:23:25 PM CEST Simon Horman wrote:
> 
> +static struct tmio_mmc_dma_ops tmio_dma_ops;
> +
> +void tmio_set_dma_ops(const struct tmio_mmc_dma_ops *ops)
> +{
> +       tmio_dma_ops = *ops;
> +}
> +EXPORT_SYMBOL(tmio_set_dma_ops);
> +
> 

Having a global instance of this pointer seems wrong, why not
store the pointer per device in struct tmio_mmc_host?

It's unlikely to ever clash between two devices in the same system,
but we generally try not to rely on that.

	Arnd

  reply	other threads:[~2016-07-06 20:43 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-07-06 20:23 [PATCH/RFC v3 0/6] mmc: renesas_sdhi: add R-Car Gen-3 DMA support Simon Horman
2016-07-06 20:23 ` [PATCH/RFC v3 1/6] mmc: sh_mobile_sdhi, tmio: make dma more modular Simon Horman
2016-07-06 20:43   ` Arnd Bergmann [this message]
2016-07-06 20:23 ` [PATCH/RFC v3 2/6] mmc: sh_mobile_sdhi: rename DMA source file as renesas_sdhi_sys_dmac.c Simon Horman
2016-07-06 20:23 ` [PATCH/RFC v3 3/6] mmc: tmio: add max_segs and max_blk_count in tmio_mmc_data Simon Horman
2016-07-06 20:23 ` [PATCH/RFC v3 4/6] mmc: sh_mobile_sdhi: add some SoC specific data for R-Car Gen3 Simon Horman
2016-07-06 20:23 ` [PATCH/RFC v3 5/6] mmc: renesas_sdhi: add support for R-Car Gen3 SDHI DMAC Simon Horman
2016-07-06 21:21   ` Arnd Bergmann
2016-07-07  6:57     ` Simon Horman
2016-07-06 20:23 ` [PATCH/RFC v3 6/6] arm64: defconfig: Enable SDHI SD/SDIO controller Simon Horman

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