[PATCH 00/18] serial: max310x: cleanups and improvements

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From: Hugo Villeneuve <hvilleneuve@xxxxxxxxxxxx>

Hello,
this patch series brings a few clean-ups and improvements to the max310x
driver.

Some of these changes are based on suggestions for the sc16is7xx driver by
Andy Shevchenko following this dicussion:

Link: https://lore.kernel.org/all/CAHp75VebCZckUrNraYQj9k=Mrn2kbYs1Lx26f5-8rKJ3RXeh-w@xxxxxxxxxxxxxx/

The changes have been tested on a custom board using a max14830 in SPI
mode, with an external oscillator (not crystal). Tests included a simple
communication test with a GPS connected to UART0.

They also have been tested by using i2c-stub to simulate the four ports on a
virtual I2C max14830 device, but with obvious limitations as this cannot
simulate all the hardware functions.

Thank you.

Hugo Villeneuve (18):
  serial: max310x: fix NULL pointer dereference in I2C instantiation
  serial: max310x: add I2C device table for instantiation from userspace
  serial: max310x: use i2c_get_match_data()
  serial: max310x: use spi_get_device_match_data()
  serial: max310x: fix syntax error in IRQ error message
  serial: max310x: remove holes in struct max310x_devtype
  serial: max310x: add macro for max number of ports
  serial: max310x: use separate regmap name for each port
  serial: max310x: simplify probe() and remove() error handling
  serial: max310x: add explicit return for some switch default cases
  serial: max310x: use dev_err_probe() instead of dev_err()
  serial: max310x: replace hardcoded masks with preferred GENMASK()
  serial: max310x: use common detect function for all variants
  serial: max310x: use common power function for all variants
  serial: max310x: replace ENOTSUPP with preferred EOPNOTSUPP
    (checkpatch)
  serial: max310x: replace bare use of 'unsigned' with 'unsigned int'
    (checkpatch)
  serial: max310x: reformat and improve comments
  serial: max310x: fix indentation

 drivers/tty/serial/max310x.c | 329 ++++++++++++++++++-----------------
 1 file changed, 165 insertions(+), 164 deletions(-)


base-commit: 0c84bea0cabc4e2b98a3de88eeb4ff798931f056
-- 
2.39.2





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