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| author | Edward Hill <ecgh@chromium.org> | 2019-10-10 15:59:27 -0600 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2019-10-25 18:52:11 +0000 |
| commit | e41c34de74fbf1a50fde5a9419556c7209893951 (patch) | |
| tree | 040b5d6dbde0faf8fb0a4f47cf34971bb0059c66 /common/gpio.c | |
| parent | d2ad17f646df75d56220b6b3724d68d2a108fc99 (diff) | |
| download | chrome-ec-e41c34de74fbf1a50fde5a9419556c7209893951.tar.gz | |
NPCX GPIO: Assert that gpio_get/set_level is passed a GPIO signal
Ensure that IOEX and VW signals are not accidentally passed to
NPCX's gpio_get_level or gpio_set_level.
BUG=b:138600691
BRANCH=none
TEST=saw assert when passing IOEX signal to gpio_set_level
Change-Id: Ib3eea074a104820cea4095897f4174a84e8368d6
Signed-off-by: Edward Hill <ecgh@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1854781
Reviewed-by: Denis Brockus <dbrockus@chromium.org>
Reviewed-by: Jett Rink <jettrink@chromium.org>
Diffstat (limited to 'common/gpio.c')
| -rw-r--r-- | common/gpio.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/common/gpio.c b/common/gpio.c index d9900a4924..fe02a15248 100644 --- a/common/gpio.c +++ b/common/gpio.c @@ -204,4 +204,10 @@ void gpio_or_ioex_set_level(int signal, int value) gpio_set_level(signal, value); } +int signal_is_gpio(int signal) +{ + return ((signal >= GPIO_SIGNAL_START) + && (signal < GPIO_SIGNAL_START + GPIO_COUNT)); +} + /*****************************************************************************/ |