Re: [PATCH v6] MTD: LPC32xx SLC NAND driver

[Artem Bityutskiy]

On Wed, 2012-06-06 at 11:20 +0200, Roland Stigge wrote:
> +#ifdef CONFIG_PM
> +static int lpc32xx_nand_resume(struct platform_device *pdev)
> +{
> +	struct lpc32xx_nand_host *host = platform_get_drvdata(pdev);
> +
> +	/* Re-enable NAND clock */
> +	clk_enable(host->clk);
> +
> +	/* Fresh init of NAND controller */
> +	lpc32xx_nand_setup(host);
> +
> +	/* Disable write protect */
> +	lpc32xx_wp_disable(host);
> +
> +	return 0;
> +}
> +
> +static int lpc32xx_nand_suspend(struct platform_device *pdev, pm_message_t pm)
> +{
> +	u32 tmp;
> +	struct lpc32xx_nand_host *host = platform_get_drvdata(pdev);
> +
> +	/* Force CE high */
> +	tmp = readl(SLC_CTRL(host->io_base));
> +	tmp &= ~SLCCFG_CE_LOW;
> +	writel(tmp, SLC_CTRL(host->io_base));
> +
> +	/* Enable write protect for safety */
> +	lpc32xx_wp_enable(host);
> +
> +	/* Disable clock */
> +	clk_disable(host->clk);
> +
> +	return 0;
> +}
> +
> +#else
> +#define lpc32xx_nand_resume NULL
> +#define lpc32xx_nand_suspend NULL
> +#endif

0, not NULL.

-- 
Best Regards,
Artem Bityutskiy

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