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SubjectRe: [PATCH RESEND v8 2/2] mtd: rawnand: meson: add support for Amlogic NAND flash controller
Hi Jianxin, Hi Liang,

On Fri, Dec 21, 2018 at 12:45 PM Jianxin Pan <jianxin.pan@amlogic.com> wrote:
>
> From: Liang Yang <liang.yang@amlogic.com>
>
> Add initial support for the Amlogic NAND flash controller which found
> in the Meson-GXBB/GXL/AXG SoCs.
>
> Signed-off-by: Liang Yang <liang.yang@amlogic.com>
> Signed-off-by: Yixun Lan <yixun.lan@amlogic.com>
> Signed-off-by: Jianxin Pan <jianxin.pan@amlogic.com>
> ---
> drivers/mtd/nand/raw/Kconfig | 10 +
> drivers/mtd/nand/raw/Makefile | 1 +
> drivers/mtd/nand/raw/meson_nand.c | 1468 +++++++++++++++++++++++++++++++++++++
> 3 files changed, 1479 insertions(+)
> create mode 100644 drivers/mtd/nand/raw/meson_nand.c
>
> diff --git a/drivers/mtd/nand/raw/Kconfig b/drivers/mtd/nand/raw/Kconfig
> index 1a55d3e..d05ff20 100644
> --- a/drivers/mtd/nand/raw/Kconfig
> +++ b/drivers/mtd/nand/raw/Kconfig
> @@ -541,4 +541,14 @@ config MTD_NAND_TEGRA
> is supported. Extra OOB bytes when using HW ECC are currently
> not supported.
>
> +config MTD_NAND_MESON
> + tristate "Support for NAND controller on Amlogic's Meson SoCs"
> + depends on ARCH_MESON || COMPILE_TEST
> + depends on COMMON_CLK_AMLOGIC
> + select COMMON_CLK_REGMAP_MESON
I believe that "depends on COMMON_CLK_AMLOGIC" and "select
COMMON_CLK_REGMAP_MESON" are not necessary:
the driver should build fine without them because it's only
interfacing with the common clock framework.
the common clock framework is enabled by ARCH_MESON and for the
COMPILE_TEST case the common clock framework provides stub
implementations inside the headers.

> + select MFD_SYSCON
> + help
> + Enables support for NAND controller on Amlogic's Meson SoCs.
> + This controller is found on Meson GXBB, GXL, AXG SoCs.
you are explicitly mentioning GXBB here but you don't add a "GXBB" compatible.
I suggest to shorten this sentence ("This controller is found on Meson
SoCs.") because this driver can also support the 32-bit
Meson8/Meson8b/Meson8m2 SoCs with minor adjustments.


Regards
Martin

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