[PATCH v2 0/5] Linux's serdev framwork port
Sascha Hauer
s.hauer at pengutronix.de
Mon Apr 16 00:00:59 PDT 2018
On Thu, Apr 12, 2018 at 02:33:12PM -0700, Andrey Smirnov wrote:
> Hi everyone:
>
> In an effort to bring this kernel driver
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/mfd/rave-sp.c?h=v4.16-rc7
> to Barebox, I ended up creating a miniature and extremely simplified
> version of 'serdev' subsystem which is presented in this patchset.
>
> Changes since [v1]:
>
> - Blocking read function was added as example of API usage
>
> - "serial: Check result of console_unregister()" was converted
> to become "serial: Drop .remove functions from all drivers"
>
> - Minor spelling fixes
>
> - Original serdev framework patch modified to allow devices
> that do not require polling (I don't have such a usecase,
> but for the sake of being generic I added one line needed
> for that)
>
> - SERIAL_DEV_BUS Kconfig symbol moved into
> drivers/serial/Kconfig (where it, IMHO, fits much better)
>
> - Added a patch to dynamically adjust serdev's polling
> interval via device paramter. This was warranted by the
> problems that arose from real-life usage.
>
> Feedback is wellcome!
>
> Thanks,
> Andrey Smirnov
>
> [v1] https://www.spinics.net/lists/u-boot-v2/msg32322.html
Applied, thanks
Sascha
>
> Andrey Smirnov (5):
> console: Introduce console_drain()
> console: Add simplified 'serdev' framework from Linux kernel
> serdev: Add trivial blocking read function
> serial: Drop .remove functions from all drivers
> serdev: Allow polling interval to be adjusted at runtime
>
> common/Makefile | 1 +
> common/console.c | 24 ++++-
> common/serdev.c | 208 +++++++++++++++++++++++++++++++++++++++
> drivers/serial/Kconfig | 6 ++
> drivers/serial/serial_auart.c | 11 ---
> drivers/serial/serial_cadence.c | 9 --
> drivers/serial/serial_clps711x.c | 10 --
> drivers/serial/serial_imx.c | 10 --
> drivers/serial/serial_lpuart.c | 13 ---
> drivers/serial/serial_pxa.c | 9 --
> drivers/serial/serial_s3c.c | 10 --
> drivers/serial/stm-serial.c | 10 --
> include/console.h | 110 +++++++++++++++++++++
> include/serdev.h | 44 +++++++++
> lib/xymodem.c | 30 +-----
> 15 files changed, 395 insertions(+), 110 deletions(-)
> create mode 100644 common/serdev.c
> create mode 100644 include/serdev.h
>
> --
> 2.14.3
>
>
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