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Date:   Fri, 18 Jan 2019 07:19:19 +0100
From:   Boris Brezillon <bbrezillon@kernel.org>
To:     Masahiro Yamada <yamada.masahiro@socionext.com>
Cc:     linux-mtd@lists.infradead.org,
        Boris Brezillon <boris.brezillon@bootlin.com>,
        Miquel Raynal <miquel.raynal@bootlin.com>,
        Marek Vasut <marek.vasut@gmail.com>,
        Richard Weinberger <richard@nod.at>,
        linux-kernel@vger.kernel.org,
        "linux-stable # v4 . 20" <stable@vger.kernel.org>,
        Brian Norris <computersforpeace@gmail.com>,
        David Woodhouse <dwmw2@infradead.org>
Subject: Re: [PATCH] mtd: rawnand: denali: get ->setup_data_interface()
 working again
Message-ID: <20190118071919.5c4015f6@bbrezillon>
In-Reply-To: <1547789438-11899-1-git-send-email-yamada.masahiro@socionext.com>
References: <1547789438-11899-1-git-send-email-yamada.masahiro@socionext.com>
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On Fri, 18 Jan 2019 14:30:38 +0900
Masahiro Yamada <yamada.masahiro@socionext.com> wrote:

> Commit 7a08dbaedd36 ("mtd: rawnand: Move ->setup_data_interface() to
> nand_controller_ops") missed to invert the if-conditonal for denali.
> Since then, the Denali NAND driver cannnot invoke setup_data_interface.
> 
> Fixes: 7a08dbaedd36 ("mtd: rawnand: Move ->setup_data_interface() to nand_controller_ops")
> Cc: linux-stable <stable@vger.kernel.org> # v4.20

Commit 7a08dbaedd36 was merged in 5.0, I'll drop Cc stable when
applying.

> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
> ---
> 
>  drivers/mtd/nand/raw/denali.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/mtd/nand/raw/denali.c b/drivers/mtd/nand/raw/denali.c
> index eebac35..6e8edc9 100644
> --- a/drivers/mtd/nand/raw/denali.c
> +++ b/drivers/mtd/nand/raw/denali.c
> @@ -1322,7 +1322,7 @@ int denali_init(struct denali_nand_info *denali)
>  	}
>  
>  	/* clk rate info is needed for setup_data_interface */
> -	if (denali->clk_rate && denali->clk_x_rate)
> +	if (!denali->clk_rate || !denali->clk_x_rate)
>  		chip->options |= NAND_KEEP_TIMINGS;
>  
>  	chip->legacy.dummy_controller.ops = &denali_controller_ops;