[PATCH v2 0/3] pinctrl: cherryview: fixes and enhancements

["Dan O'Donovan" <dan@xxxxxxxxxx>]

This series includes a number of fixes and enhancements for the
Cherryview pinctrl/gpio driver, developed during integration on the
UP Board (based on the Intel X5-Z8350 "Cherry Trail" Atom SoC).

Patch 1 provides a workaround for a documented silicon bug which
causes data corruption of concurrent accesses to the GPIO controller
registers on this SoC.

The other patches implement additional pin config functions/options
for this driver.

Changes since v1:
 * Addressed review comments from Mika Westerberg:
   - Drop clean-up of checkpatch warnings (impacts back-porting)
   - Re-order series to put fixes ahead of enhancements
   - Rename a variable
   - Tag concurrency fix (patch 1) for stable
   - Drop fix restoring PADCTRL1 bits when GPIO disabled (rejected)

Dan O'Donovan (3):
  pinctrl: cherryview: prevent concurrent access to GPIO controllers
  pinctrl: cherryview: add option to set open-drain pin config
  pinctrl: cherryview: add handlers for pin_config_group_get/set

 drivers/pinctrl/intel/pinctrl-cherryview.c | 155 ++++++++++++++++++++++-------
 1 file changed, 119 insertions(+), 36 deletions(-)

-- 
2.1.4

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