linux-kernel - Re: [PATCH] mtd: mxc_nand: fix built breakage

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Message-ID: <4A0AF0C7.5090104@embeddedalley.com>
Date:	Wed, 13 May 2009 20:09:43 +0400
From:	Vladimir Barinov <vbarinov@...eddedalley.com>
To:	Daniel Mack <daniel@...aq.de>
CC:	linux-kernel@...r.kernel.org,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Linux MTD list <linux-mtd@...ts.infradead.org>
Subject: Re: [PATCH] mtd: mxc_nand: fix built breakage

Hello Daniel,

Please find the patch that I've sent some time ago. This patch should 
fix the issue you described.
http://lists.infradead.org/pipermail/linux-mtd/2009-April/025363.html

Vladimir

Daniel Mack wrote:
> The MXC NAND driver does not currently build with CONFIG_PM set.
>
>   drivers/mtd/nand/mxc_nand.c: In function 'mxcnd_suspend':
>   drivers/mtd/nand/mxc_nand.c:1021: error: 'nfc_clk' undeclared (first use in this function)
>   drivers/mtd/nand/mxc_nand.c:1021: error: (Each undeclared identifier is reported only once
>   drivers/mtd/nand/mxc_nand.c:1021: error: for each function it appears in.)
>   drivers/mtd/nand/mxc_nand.c: In function 'mxcnd_resume':
>   drivers/mtd/nand/mxc_nand.c:1033: error: 'nfc_clk' undeclared (first use in this function)
>   make[3]: *** [drivers/mtd/nand/mxc_nand.o] Error 1
>   make[2]: *** [drivers/mtd/nand] Error 2
>   make[1]: *** [drivers/mtd] Error 2
>   make: *** [drivers] Error 2
>
> Signed-off-by: Daniel Mack <daniel@...aq.de>
> Cc: Sascha Hauer <s.hauer@...gutronix.de>
> Cc: Linux MTD list <linux-mtd@...ts.infradead.org>
> ---
>  drivers/mtd/nand/mxc_nand.c |    8 ++++++--
>  1 files changed, 6 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c
> index 21fd4f1..d352d2a 100644
> --- a/drivers/mtd/nand/mxc_nand.c
> +++ b/drivers/mtd/nand/mxc_nand.c
> @@ -1011,6 +1011,8 @@ static int __devexit mxcnd_remove(struct platform_device *pdev)
>  static int mxcnd_suspend(struct platform_device *pdev, pm_message_t state)
>  {
>  	struct mtd_info *info = platform_get_drvdata(pdev);
> +        struct nand_chip *nand_chip = info->priv;
>   
> +	struct mxc_nand_host *host = nand_chip->priv;
>  	int ret = 0;
>  
>  	DEBUG(MTD_DEBUG_LEVEL0, "MXC_ND : NAND suspend\n");
> @@ -1018,7 +1020,7 @@ static int mxcnd_suspend(struct platform_device *pdev, pm_message_t state)
>  		ret = info->suspend(info);
>  
>  	/* Disable the NFC clock */
> -	clk_disable(nfc_clk);	/* FIXME */
> +	clk_disable(host->clk);	/* FIXME */
>  
>  	return ret;
>  }
> @@ -1026,11 +1028,13 @@ static int mxcnd_suspend(struct platform_device *pdev, pm_message_t state)
>  static int mxcnd_resume(struct platform_device *pdev)
>  {
>  	struct mtd_info *info = platform_get_drvdata(pdev);
> +        struct nand_chip *nand_chip = info->priv;
> +	struct mxc_nand_host *host = nand_chip->priv;
>  	int ret = 0;
>  
>  	DEBUG(MTD_DEBUG_LEVEL0, "MXC_ND : NAND resume\n");
>  	/* Enable the NFC clock */
> -	clk_enable(nfc_clk);	/* FIXME */
> +	clk_enable(host->clk);	/* FIXME */
>  
>  	if (info)
>  		info->resume(info);
>   

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