Work around hardware race condition when setting DAT and OE in same
transaction. Also clean up license boilerplate and use SPDX.

I was not sure if it was preferred to make it a series or individual
patches. I went with series because "gpio: ts4900: Use SPDX header"
cannot cleanly apply by itself due to copyright year changes in the fix
commit. If this is not preferred, please let me know.

V3:
- Move addition of SPDX identifier to separate commit
- Remove license boilerplate in file

V2:
- Add Fixes tag

Kris Bahnsen (1):
  gpio: ts4900: Use SPDX header

Mark Featherston (1):
  gpio: ts4900: Do not set DAT and OE together

 drivers/gpio/gpio-ts4900.c | 34 ++++++++++++++++++++--------------
 1 file changed, 20 insertions(+), 14 deletions(-)

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2.11.0