gpio: mcp23s08: use regmap

Use regmap API to save some lines of codes and have
debugfs support for all of the MCP's registers.

Signed-off-by: Sebastian Reichel <sre@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Sebastian Reichel
2017-01-27 15:47:37 +01:00
committed by Linus Walleij
parent 38575edcab
commit 3d84fdb3f0

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