linux-kernel - Re: [PATCH] mmc: print message if a card supports secure erase/trim

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Message-ID: <CAFLxGvyuE8odPdNSD1PTccyBXFm=JO=ooikUOJfz41aFpsUAJg@mail.gmail.com>
Date:	Tue, 27 Jan 2015 12:55:59 +0100
From:	Richard Weinberger <richard.weinberger@...il.com>
To:	Alexander Holler <holler@...oftware.de>
Cc:	linux-mmc@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
	Chris Ball <chris@...ntf.net>,
	Ulf Hansson <ulf.hansson@...aro.org>
Subject: Re: [PATCH] mmc: print message if a card supports secure erase/trim

On Tue, Jan 27, 2015 at 12:48 PM, Alexander Holler <holler@...oftware.de> wrote:
> It's an interesting detail, so inform the user about it.
>
> Signed-off-by: Alexander Holler <holler@...oftware.de>
> ---
>  drivers/mmc/core/bus.c | 4 ++++
>  1 file changed, 4 insertions(+)
>
> diff --git a/drivers/mmc/core/bus.c b/drivers/mmc/core/bus.c
> index 8a1f124..4a60028 100644
> --- a/drivers/mmc/core/bus.c
> +++ b/drivers/mmc/core/bus.c
> @@ -347,6 +347,10 @@ int mmc_add_card(struct mmc_card *card)
>                         uhs_bus_speed_mode, type, card->rca);
>         }
>
> +       if (mmc_can_secure_erase_trim(card))
> +               pr_info("%s: card supports secure erase/trim\n",
> +                       mmc_hostname(card->host));
> +

Please make this a sysfs attribute.
Exposing such properties as log messages is horrible.

-- 
Thanks,
//richard
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