On Tue, 6 Sep 2022, Jiri Slaby wrote:

> This series introduces DEFINE_UART_PORT_TX_HELPER +
> DEFINE_UART_PORT_TX_HELPER_LIMITED TX helpers. See PATCH 2/4 for the
> details. Comments welcome.
> 
> Then it switches drivers to use them. First, to
> DEFINE_UART_PORT_TX_HELPER() in 3/4 and then
> DEFINE_UART_PORT_TX_HELPER_LIMITED() in 4/4.
> 
> The diffstat of patches 3+4 is as follows:
>  26 files changed, 191 insertions(+), 823 deletions(-)
> which appears to be nice.
> 
> Cc: Tobias Klauser <tklauser@distanz.ch>
> Cc: Richard Genoud <richard.genoud@gmail.com>
> Cc: Nicolas Ferre <nicolas.ferre@microchip.com>
> Cc: Alexandre Belloni <alexandre.belloni@bootlin.com>
> Cc: Claudiu Beznea <claudiu.beznea@microchip.com>
> Cc: Vladimir Zapolskiy <vz@mleia.com>
> Cc: Liviu Dudau <liviu.dudau@arm.com>
> Cc: Sudeep Holla <sudeep.holla@arm.com>
> Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
> Cc: Shawn Guo <shawnguo@kernel.org>
> Cc: Sascha Hauer <s.hauer@pengutronix.de>
> Cc: Pengutronix Kernel Team <kernel@pengutronix.de>
> Cc: Fabio Estevam <festevam@gmail.com>
> Cc: NXP Linux Team <linux-imx@nxp.com>
> Cc: "Andreas Färber" <afaerber@suse.de>
> Cc: Manivannan Sadhasivam <mani@kernel.org>
> Cc: Russell King <linux@armlinux.org.uk>
> Cc: Florian Fainelli <f.fainelli@gmail.com>
> Cc: bcm-kernel-feedback-list@broadcom.com
> Cc: "Pali Rohár" <pali@kernel.org>
> Cc: Kevin Cernekee <cernekee@gmail.com>
> Cc: Palmer Dabbelt <palmer@dabbelt.com>
> Cc: Paul Walmsley <paul.walmsley@sifive.com>
> Cc: Orson Zhai <orsonzhai@gmail.com>
> Cc: Baolin Wang <baolin.wang7@gmail.com>
> Cc: Chunyan Zhang <zhang.lyra@gmail.com>
> Cc: Patrice Chotard <patrice.chotard@foss.st.com>
> Cc: linux-riscv@lists.infradead.org
> 
> Jiri Slaby (4):
>   tty: serial: move and cleanup vt8500_tx_empty()
>   tty: serial: introduce transmit helper generators
>   tty: serial: use DEFINE_UART_PORT_TX_HELPER()
>   tty: serial: use DEFINE_UART_PORT_TX_HELPER_LIMITED()
> 
>  Documentation/driver-api/serial/driver.rst |  3 +
>  drivers/tty/serial/21285.c                 | 33 ++-------
>  drivers/tty/serial/altera_jtaguart.c       | 42 +++--------
>  drivers/tty/serial/altera_uart.c           | 37 ++--------
>  drivers/tty/serial/amba-pl010.c            | 37 ++--------
>  drivers/tty/serial/apbuart.c               | 36 ++--------
>  drivers/tty/serial/atmel_serial.c          | 29 ++------
>  drivers/tty/serial/bcm63xx_uart.c          | 47 +++----------
>  drivers/tty/serial/fsl_lpuart.c            | 38 +++-------
>  drivers/tty/serial/lantiq.c                | 44 ++++--------
>  drivers/tty/serial/lpc32xx_hs.c            | 38 ++--------
>  drivers/tty/serial/mcf.c                   | 27 ++------
>  drivers/tty/serial/mpc52xx_uart.c          | 43 +-----------
>  drivers/tty/serial/mps2-uart.c             | 29 +-------
>  drivers/tty/serial/mux.c                   | 46 ++++--------
>  drivers/tty/serial/mvebu-uart.c            | 40 ++---------
>  drivers/tty/serial/mxs-auart.c             | 31 ++-------
>  drivers/tty/serial/omap-serial.c           | 47 ++++---------
>  drivers/tty/serial/owl-uart.c              | 35 +---------
>  drivers/tty/serial/pxa.c                   | 39 +++--------
>  drivers/tty/serial/rp2.c                   | 36 ++--------
>  drivers/tty/serial/sa1100.c                | 49 +++++--------
>  drivers/tty/serial/serial_txx9.c           | 37 ++--------
>  drivers/tty/serial/sifive.c                | 45 ++----------
>  drivers/tty/serial/sprd_serial.c           | 38 ++--------
>  drivers/tty/serial/st-asc.c                | 50 ++-----------
>  drivers/tty/serial/vt8500_serial.c         | 40 ++---------
>  include/linux/serial_core.h                | 81 ++++++++++++++++++++++
>  28 files changed, 275 insertions(+), 822 deletions(-)

For the whole series:

Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>

-- 
 i.