Re: [PATCH v8 5/7] mtd: nand: gpmi: add GPMI NAND support for i.MX7D

From: Brian Norris
Date: Sat Jan 23 2016 - 17:58:56 EST


On Wed, Dec 02, 2015 at 04:47:44PM -0600, Han Xu wrote:
> support GPMI NAND on i.MX7D
>
> Signed-off-by: Han Xu <b45815@xxxxxxxxxxxxx>
> ---
> drivers/mtd/nand/gpmi-nand/bch-regs.h | 14 +++++++-------
> drivers/mtd/nand/gpmi-nand/gpmi-lib.c | 10 ++++++----
> drivers/mtd/nand/gpmi-nand/gpmi-nand.c | 27 ++++++++++++++++++++++-----
> drivers/mtd/nand/gpmi-nand/gpmi-nand.h | 7 +++++--
> 4 files changed, 40 insertions(+), 18 deletions(-)
>
> diff --git a/drivers/mtd/nand/gpmi-nand/bch-regs.h b/drivers/mtd/nand/gpmi-nand/bch-regs.h
> index 05bb91f..53e58bc 100644
> --- a/drivers/mtd/nand/gpmi-nand/bch-regs.h
> +++ b/drivers/mtd/nand/gpmi-nand/bch-regs.h

...

> @@ -575,6 +581,10 @@ static char *extra_clks_for_mx6q[GPMI_CLK_MAX] = {
> "gpmi_apb", "gpmi_bch", "gpmi_bch_apb", "per1_bch",
> };
>
> +static char *extra_clks_for_mx7d[GPMI_CLK_MAX] = {
> + "gpmi_bch_apb",
> +};
> +
> static int gpmi_get_clks(struct gpmi_nand_data *this)
> {
> struct resources *r = &this->resources;
> @@ -592,6 +602,8 @@ static int gpmi_get_clks(struct gpmi_nand_data *this)
> /* Get extra clocks */
> if (GPMI_IS_MX6(this))
> extra_clks = extra_clks_for_mx6q;
> + if (GPMI_IS_MX7(this))
> + extra_clks = extra_clks_for_mx7d;
> if (!extra_clks)
> return 0;
>

...

It looks like these clock names were never documented. Shouldn't this be
part of Documentation/devicetree/bindings/mtd/gpmi-nand.txt?

Otherwise, the patch looks good to me.

Brian