[PATCH v2 0/4] watchdog: mt7621-wdt: avoid globals and arch dependencies

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Hi all,

This series make an update in the MT7621 SoC's watchdog driver code. This
SoC already provides a system controller node to access reset status
register needed for the watchdog. Instead of using MIPS architecture
dependent operations in header 'asm/mach-ralink/ralink_regs.h' use
a phandle to the system controller node and use it through regmap APIs
from the code. Driver is also using some globals that are not needed at
all if a driver data structure is used along the code. Hence, add all
new needed stuff inside a new driver data structure. With this changes
driver can be properly compile tested.

Thanks in advance for reviewing this!

V1 of this series here [0].

Changes in v2:
    - Remove no needed compatible 'syscon' from bindings.
    - Rewrite new syscon phandle description in bindings.
    - Remove 'syscon' from compatible in 'mt7621.dtsi'.
    - Split PATCH 3 into two different patches:
        - PATCH 3: removes static globals using a driver data structure.
        - PATCH 4: remove ralink architecture dependent includes and code.

Best regards,
    Sergio Paracuellos

[0]: https://lore.kernel.org/linux-watchdog/20230210065621.598120-1-sergio.paracuellos@xxxxxxxxx/T/#t

Sergio Paracuellos (4):
  dt-bindings: watchdog: mt7621-wdt: add phandle to access system
    controller registers
  mips: dts: ralink: mt7621: add phandle to system controller node for
    watchdog
  watchdog: mt7621-wdt: avoid static global declarations
  watchdog: mt7621-wdt: avoid ralink architecture dependent code

 .../watchdog/mediatek,mt7621-wdt.yaml         |   7 +
 arch/mips/boot/dts/ralink/mt7621.dtsi         |   1 +
 drivers/watchdog/Kconfig                      |   2 +
 drivers/watchdog/mt7621_wdt.c                 | 121 ++++++++++++------
 4 files changed, 90 insertions(+), 41 deletions(-)

-- 
2.25.1




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