linux-kernel - Re: [PATCH v2 6/6] mtd: nand: gpmi: support NAND on i.MX6UL

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Date:	Tue, 18 Aug 2015 14:58:06 +0800
From:	Huang Shijie <shijie.huang@....com>
To:	Han Xu <b45815@...escale.com>
Cc:	dwmw2@...radead.org, computersforpeace@...il.com,
	boris.brezillon@...e-electrons.com, fabio.estevam@...escale.com,
	hofrat@...dl.org, linux-mtd@...ts.infradead.org,
	linux-kernel@...r.kernel.org, vinod.koul@...el.com,
	dan.j.williams@...el.com, dmaengine@...r.kernel.org
Subject: Re: [PATCH v2 6/6] mtd: nand: gpmi: support NAND on i.MX6UL

On Mon, Aug 17, 2015 at 10:25:07PM -0500, Han Xu wrote:
> support GPMI NAND on i.MX6UL
> 
> Signed-off-by: Han Xu <han.xu@...escale.com>
> ---
>  drivers/mtd/nand/gpmi-nand/gpmi-nand.c | 9 +++++++++
>  drivers/mtd/nand/gpmi-nand/gpmi-nand.h | 6 ++++--
>  2 files changed, 13 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
> index 362cf4c..adadac2 100644
> --- a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
> +++ b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
> @@ -89,6 +89,12 @@ static const struct gpmi_devdata gpmi_devdata_imx7d = {
>  	.max_chain_delay = 12,
>  };
>  
> +static const struct gpmi_devdata gpmi_devdata_imx6ul = {
> +	.type = IS_MX6UL,
> +	.bch_max_ecc_strength = 40,
> +	.max_chain_delay = 12,
> +};
> +
>  static irqreturn_t bch_irq(int irq, void *cookie)
>  {
>  	struct gpmi_nand_data *this = cookie;
> @@ -2016,6 +2022,9 @@ static const struct of_device_id gpmi_nand_id_table[] = {
>  		.compatible = "fsl,imx6sx-gpmi-nand",
>  		.data = &gpmi_devdata_imx6sx,
>  	}, {
> +		.compatible = "fsl,imx6ul-gpmi-nand",
> +		.data = (void *)&gpmi_devdata_imx6ul,
> +	}, {
>  		.compatible = "fsl,imx7d-gpmi-nand",
>  		.data = (void *)&gpmi_devdata_imx7d,
>  	}
> diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-nand.h b/drivers/mtd/nand/gpmi-nand/gpmi-nand.h
> index 36ffeda..8428637 100644
> --- a/drivers/mtd/nand/gpmi-nand/gpmi-nand.h
> +++ b/drivers/mtd/nand/gpmi-nand/gpmi-nand.h
> @@ -125,7 +125,8 @@ enum gpmi_type {
>  	IS_MX6Q,
>  	IS_MX6QP,
>  	IS_MX6SX,
> -	IS_MX7D
> +	IS_MX7D,
> +	IS_MX6UL
>  };
>  
>  struct gpmi_devdata {
> @@ -310,8 +311,9 @@ void gpmi_copy_bits(u8 *dst, size_t dst_bit_off,
>  #define GPMI_IS_MX6QP(x)	((x)->devdata->type == IS_MX6QP)
>  #define GPMI_IS_MX6SX(x)	((x)->devdata->type == IS_MX6SX)
>  #define GPMI_IS_MX7D(x)		((x)->devdata->type == IS_MX7D)
> +#define GPMI_IS_MX6UL(x)	((x)->devdata->type == IS_MX6UL)
>  
>  #define GPMI_IS_MX6(x)		(GPMI_IS_MX6Q(x) || GPMI_IS_MX6QP(x)\
> -	   || GPMI_IS_MX6SX(x))
> +	   || GPMI_IS_MX6SX(x) || GPMI_IS_MX6UL(x))
>  #define GPMI_IS_MX7(x)		(GPMI_IS_MX7D(x))
>  #endif
> -- 
Acked-by: Huang Shijie <shijie.huang@....com>

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