linux-kernel - Re: [PATCH v3 2/2] mtd: nand: omap: Synchronize the access to the ECC engine

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Message-ID: <CAH6sp9M0VaH8-4NXcRNUYQS8Zuzbkra6zmgjSebjv8Awj6i0og@mail.gmail.com>
Date:	Wed, 29 Oct 2014 10:24:23 +0100
From:	Frans Klaver <fransklaver@...il.com>
To:	Rostislav Lisovy <lisovy@...il.com>
Cc:	David Woodhouse <dwmw2@...radead.org>,
	Brian Norris <computersforpeace@...il.com>,
	Tony Lindgren <tony@...mide.com>,
	Roger Quadros <rogerq@...com>, linux-mtd@...ts.infradead.org,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	michal.vokac@...ap.cz, sojkam1@....cvut.cz,
	Rostislav Lisovy <lisovy@...ica.cz>
Subject: Re: [PATCH v3 2/2] mtd: nand: omap: Synchronize the access to the ECC engine

On Thu, Oct 2, 2014 at 4:16 PM, Rostislav Lisovy <lisovy@...il.com> wrote:
>
> diff --git a/drivers/mtd/nand/omap2.c b/drivers/mtd/nand/omap2.c
> index f0dcdb6..dfae46f 100644
> --- a/drivers/mtd/nand/omap2.c
> +++ b/drivers/mtd/nand/omap2.c
> @@ -144,8 +144,13 @@ static u_char bch8_vector[] = {0xf3, 0xdb, 0x14, 0x16, 0x8b, 0xd2, 0xbe, 0xcc,
>         0xac, 0x6b, 0xff, 0x99, 0x7b};
>  static u_char bch4_vector[] = {0x00, 0x6b, 0x31, 0xdd, 0x41, 0xbc, 0x10};
>
> +/* Shared among all NAND instances to synchronize the access to the ECC Engine */
> +struct nand_hw_control omap_gpmc_controller = {
> +       .lock = __SPIN_LOCK_UNLOCKED(omap_gpmc_controller.lock),
> +       .wq = __WAIT_QUEUE_HEAD_INITIALIZER(omap_gpmc_controller.wq),
> +};
> +

Any reason not to make this one static?

Thanks,
Frans
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