Re: [PATCH v2 1/4] nfc: pn533: add UART phy driver

From: Marcel Holtmann
Date: Thu Oct 18 2018 - 11:00:35 EST


Hi Lars,

> This adds the UART phy interface for the pn533 driver.
> The pn533 driver can be used through UART interface this way.
> It is implemented as a serdev device.
>
> Signed-off-by: Lars Poeschel <poeschel@xxxxxxxxxxx>
> ---
> Changes in v2:
> - switched from tty line discipline to serdev, resulting in many
> simplifications
> - SPDX License Identifier
>
> drivers/nfc/pn533/Kconfig | 10 ++
> drivers/nfc/pn533/Makefile | 2 +
> drivers/nfc/pn533/pn533.h | 8 ++
> drivers/nfc/pn533/uart.c | 283 +++++++++++++++++++++++++++++++++++++
> 4 files changed, 303 insertions(+)
> create mode 100644 drivers/nfc/pn533/uart.c
>
> diff --git a/drivers/nfc/pn533/Kconfig b/drivers/nfc/pn533/Kconfig
> index d94122dd30e4..da3ea2dbaa8a 100644
> --- a/drivers/nfc/pn533/Kconfig
> +++ b/drivers/nfc/pn533/Kconfig
> @@ -25,3 +25,13 @@ config NFC_PN533_I2C
>
> If you choose to build a module, it'll be called pn533_i2c.
> Say N if unsure.
> +
> +config NFC_PN532_UART
> + tristate "NFC PN532 device support (UART)â

you are missing the "depends on SERIAL_DEV_BUSâ here.

> + select NFC_PN533
> + ---help---
> + This module adds support for the NXP pn532 UART interface.
> + Select this if your platform is using the UART bus.
> +
> + If you choose to build a module, it'll be called pn532_uart.
> + Say N if unsure.

Regards

Marcel