Linux MultiMedia Card development
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From: Wolfram Sang <wsa@the-dreams.de>
To: Ulf Hansson <ulf.hansson@linaro.org>
Cc: linux-mmc@vger.kernel.org,
	Wolfram Sang <wsa+renesas@sang-engineering.com>,
	Simon Horman <horms+renesas@verge.net.au>
Subject: Re: [PATCH] mmc: tmio: Remove redundant check of mmc->slot.cd_irq
Date: Tue, 17 Jan 2017 21:53:47 +0100	[thread overview]
Message-ID: <20170117205347.7kihefzza5lf54fy@ninjato> (raw)
In-Reply-To: <1484061052-25334-1-git-send-email-ulf.hansson@linaro.org>

On Tue, Jan 10, 2017 at 04:10:52PM +0100, Ulf Hansson wrote:
> To validate whether native hotplug needs to be used, the tmio driver checks
> whether the mmc->slot.cd_irq has been successfully assigned.
> 
> This check is redundant at its current place in tmio_mmc_host_probe(), as
> the mmc core assigns mmc->slot.cd_irq a valid value first when
> mmc_gpiod_request_cd_irq() is called. Therefore, let's just remove the
> check for now, as that also removes a layering violation of the tmio driver
> accessing core specific data via ->slot.cd_irq.
> 
> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

Agreed. This is a layering violation and can be safely removed since it
is a no-op currently.

Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>

Besides card eject still works on my M3-W. I will test on my H2 tomorrow
or the day after that.

Thanks,

   Wolfram


      parent reply	other threads:[~2017-01-17 21:04 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-01-10 15:10 [PATCH] mmc: tmio: Remove redundant check of mmc->slot.cd_irq Ulf Hansson
2017-01-17 15:08 ` Ulf Hansson
2017-01-17 20:53 ` Wolfram Sang [this message]

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