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SubjectRe: [PATCH 2/3] gpio: Add FT232H CBUS GPIO driver
On Thu, Jul 6, 2017 at 10:49 PM, Anatolij Gustschin <agust@denx.de> wrote:

> Add driver for CBUS pins on FT232H. The driver supports setting
> GPIO direction and getting/setting CBUS 0-3 pin value. The CBUS
> pins have to be enabled by configuring I/O mode in the FTDI EEPROM.
>
> Signed-off-by: Anatolij Gustschin <agust@denx.de>
(...)

> + select GPIO_GENERIC

You do not seem to be using this.

> +#include <linux/gpio.h>

This include should not be needed. If it is, something is wrong.

> +#include <linux/gpio/driver.h>

Drivers should only include this.

> +#include <linux/platform_device.h>
> +#include <linux/slab.h>
> +#include <linux/types.h>
> +#include <linux/usb.h>

Why is this needed if the device is abstracted behind an MFD interface?

> +#include <linux/mfd/ftdi/ftdi.h>

I.e. this?

Apart from these small things it looks like a solid and nice driver,
do you plan to merge this into MFD or should I merge it? Since it depends
on the Kconfig symbol I guess I can merge it orthogonally if I am sure
Lee will pick the MFD part.

Yours,
Linus Walleij

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