diff options
| author | Linus Walleij <linus.walleij@linaro.org> | 2015-05-06 14:19:13 +0200 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2015-05-06 14:45:19 +0200 |
| commit | 8c4c2016345feefcd289ce2479eb70286d30825a (patch) | |
| tree | 91e32d3a1ead85db13b279da466fd147bc04cb4f /include/linux/pinctrl/pinmux.h | |
| parent | fa76a3db7093a527333c380df82a0f158d9b8299 (diff) | |
pinctrl: move strict option to pinmux_ops
While the pinmux_ops are ideally just a vtable for pin mux
calls, the "strict" setting belongs so intuitively with the
pin multiplexing that we should move it here anyway. Putting
it in the top pinctrl_desc makes no sense.
Cc: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'include/linux/pinctrl/pinmux.h')
| -rw-r--r-- | include/linux/pinctrl/pinmux.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/pinctrl/pinmux.h b/include/linux/pinctrl/pinmux.h index 511bda9ed4bf..d3740fa7073f 100644 --- a/include/linux/pinctrl/pinmux.h +++ b/include/linux/pinctrl/pinmux.h @@ -56,6 +56,9 @@ struct pinctrl_dev; * depending on whether the GPIO is configured as input or output, * a direction selector function may be implemented as a backing * to the GPIO controllers that need pin muxing. + * @strict: do not allow simultaneous use of the same pin for GPIO and another + * function. Check both gpio_owner and mux_owner strictly before approving + * the pin request. */ struct pinmux_ops { int (*request) (struct pinctrl_dev *pctldev, unsigned offset); @@ -79,6 +82,7 @@ struct pinmux_ops { struct pinctrl_gpio_range *range, unsigned offset, bool input); + bool strict; }; #endif /* CONFIG_PINMUX */ |