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| author | Sonic Zhang <sonic.zhang@analog.com> | 2015-04-09 11:13:07 +0800 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2015-05-06 14:45:19 +0200 |
| commit | fa76a3db7093a527333c380df82a0f158d9b8299 (patch) | |
| tree | add57323d26140a8e2358da9b93066d096c9c38d /include/linux/pinctrl/pinmux.h | |
| parent | c30024a6449070d6fde51a8bddf4c97f884db2cc (diff) | |
| download | lwn-fa76a3db7093a527333c380df82a0f158d9b8299.tar.gz lwn-fa76a3db7093a527333c380df82a0f158d9b8299.zip | |
pinctrl: allow exlusive GPIO/mux pin allocation
Disallow simultaneous use of the the GPIO and peripheral mux
functions by setting a flag "strict" in struct pinctrl_desc.
The blackfin pinmux and gpio controller doesn't allow user to
set up a pin for both GPIO and peripheral function. So, add flag
strict in struct pinctrl_desc to check both gpio_owner and
mux_owner before approving the pin request.
v2-changes:
- if strict flag is set, check gpio_owner and mux_onwer in if and
else clause
v3-changes:
- add kerneldoc for this struct
- augment Documentation/pinctrl.txt
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'include/linux/pinctrl/pinmux.h')
0 files changed, 0 insertions, 0 deletions