diff options
| author | Subrata Banik <subrata.banik@intel.com> | 2021-06-08 00:55:04 +0530 |
|---|---|---|
| committer | Subrata Banik <subrata.banik@intel.com> | 2021-06-09 10:14:14 +0000 |
| commit | eca3e6278abd37da60cd68bb3705ce1cc01d4f47 (patch) | |
| tree | 03407824f41a0a477aa197401760ba2b69ebbe2d | |
| parent | aced1f02cf24be5a56a97b75c98c861e57e14595 (diff) | |
device: Add helper function is_devfn_enabled()
is_devfn_enabled() function helps to check if a device
is enabled based on given device function number. This
function internally called is_dev_enabled() to check
device state.
Change-Id: I6aeba0da05b13b70155a991f69a6abf7eb48a78c
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/55278
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
| -rw-r--r-- | src/device/device_const.c | 6 | ||||
| -rw-r--r-- | src/include/device/device.h | 1 |
2 files changed, 7 insertions, 0 deletions
diff --git a/src/device/device_const.c b/src/device/device_const.c index 20afe7e445..7e7f2f1980 100644 --- a/src/device/device_const.c +++ b/src/device/device_const.c @@ -397,3 +397,9 @@ bool is_dev_enabled(const struct device *dev) return false; return dev->enabled; } + +bool is_devfn_enabled(unsigned int devfn) +{ + const struct device *dev = pcidev_path_on_root(devfn); + return is_dev_enabled(dev); +} diff --git a/src/include/device/device.h b/src/include/device/device.h index 623d337601..afa6a4090a 100644 --- a/src/include/device/device.h +++ b/src/include/device/device.h @@ -192,6 +192,7 @@ void disable_children(struct bus *bus); bool dev_is_active_bridge(struct device *dev); void add_more_links(struct device *dev, unsigned int total_links); bool is_dev_enabled(const struct device *const dev); +bool is_devfn_enabled(unsigned int devfn); /* Option ROM helper functions */ void run_bios(struct device *dev, unsigned long addr); |