diff options
| author | Patrick Georgi <patrick@georgi-clan.de> | 2014-11-24 21:59:03 +0100 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2014-11-25 12:55:39 +0100 |
| commit | 80b880fa912164a3e77a02ad8cf24f64f31f065d (patch) | |
| tree | 3f0d9ab97153a5aac8e0aaaba29aaf71c120dbde | |
| parent | f0c73ac341511427ae36d0e40293b5c0fc24abd4 (diff) | |
| download | coreboot-80b880fa912164a3e77a02ad8cf24f64f31f065d.tar.xz | |
google/butterfly: fix off-by-one issues
GPIOs 32 and 64 used the wrong code path.
Change-Id: I1d293cf38844b477cac67bc19ce5e5c92a6e93ca
Found-by: Coverity Scan
Signed-off-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-on: http://review.coreboot.org/7577
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Tested-by: build bot (Jenkins)
| -rw-r--r-- | src/mainboard/google/butterfly/chromeos.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/mainboard/google/butterfly/chromeos.c b/src/mainboard/google/butterfly/chromeos.c index 61097c39fb..ecb128880f 100644 --- a/src/mainboard/google/butterfly/chromeos.c +++ b/src/mainboard/google/butterfly/chromeos.c @@ -112,10 +112,10 @@ int get_pch_gpio(unsigned char gpio_num) if (!gpio_base) return(0); - if (gpio_num > 64){ + if (gpio_num >= 64){ u32 gp_lvl3 = inl(gpio_base + GP_LVL3); retval = ((gp_lvl3 >> (gpio_num - 64)) & 1); - } else if (gpio_num > 32){ + } else if (gpio_num >= 32){ u32 gp_lvl2 = inl(gpio_base + GP_LVL2); retval = ((gp_lvl2 >> (gpio_num - 32)) & 1); } else { |