linux-kernel - Re: [PATCH v8 7/7] mtd: nand: gpmi: support NAND on i.MX6UL

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Date:	Thu, 17 Dec 2015 02:07:28 +0000
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 v8 7/7] mtd: nand: gpmi: support NAND on i.MX6UL

On Wed, Dec 02, 2015 at 04:47:46PM -0600, 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 | 4 +++-
>  2 files changed, 12 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
> index 9dea56e..41d9012 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;
> @@ -2015,6 +2021,9 @@ 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,
>       }, { /* sentinel */ }
> diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-nand.h b/drivers/mtd/nand/gpmi-nand/gpmi-nand.h
> index 149a442..331f98e 100644
> --- a/drivers/mtd/nand/gpmi-nand/gpmi-nand.h
> +++ b/drivers/mtd/nand/gpmi-nand/gpmi-nand.h
> @@ -126,6 +126,7 @@ enum gpmi_type {
>       IS_MX6QP,
>       IS_MX6SX,
>       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
> --
> 1.9.1
>
Acked-by: Huang Shijie <shijie.huang@....com>
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