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[v2,00/14] gpio: dwapb: Clean up the driver and a fix

Message ID 20200415141534.31240-1-andriy.shevchenko@linux.intel.com
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Series gpio: dwapb: Clean up the driver and a fix | expand

Message

Andy Shevchenko April 15, 2020, 2:15 p.m. UTC 
It appears that GPIO DW APB driver wasn't touched for a long time. Here is
the fix for long standing issue, i.e. missed module alias to make the driver
be loaded automatically.

On top of above a lot small clean ups here and there.

The series based on the v3 by Serge Semin which he sent earlier.

Driver has been tested on Intel Galileo Gen2 with AT25 SPI EEPROM using it
for a chip select.

Changelog since v1:
- added Tested-by and Reviewed-by tags (Serge)
- split IRQ refactoring patch to two (Serge)
- update hwirq variable type to be irq_hw_number_t

Cc: Serge Semin <fancer.lancer@gmail.com>

Andy Shevchenko (14):
  gpio: dwapb: Append MODULE_ALIAS for platform driver
  gpio: dwapb: Refactor IRQ handler to use bit operations
  gpio: dwapb: Use chained IRQ prologue and epilogue
  gpio: dwapb: set default handler to be handle_bad_irq()
  gpio: dwapb: Deduplicate IRQ resource management
  gpio: dwapb: Convert to use irqd_to_hwirq()
  gpio: dwapb: Use device_get_match_data() to simplify code
  gpio: dwapb: Convert to use IRQ core provided macros
  gpio: dwapb: Switch to more usual pattern of RMW in
    dwapb_gpio_set_debounce()
  gpio: dwapb: Drop bogus BUG_ON()s
  gpio: dwapb: Drop of_match_ptr() & ACPI_PTR() calls
  gpio: dwapb: Split out dwapb_get_irq() helper
  gpio: dwapb: Use positive conditional in dwapb_configure_irqs()
  gpio: dwapb: Amend indentation in some cases

 drivers/gpio/gpio-dwapb.c | 205 +++++++++++++++-----------------------
 1 file changed, 79 insertions(+), 126 deletions(-)