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| author | Nico Huber <nico.h@gmx.de> | 2020-10-05 11:08:44 +0200 |
|---|---|---|
| committer | Nico Huber <nico.h@gmx.de> | 2020-10-08 20:31:35 +0000 |
| commit | 7e6ee912c689d01b36735db7d893a35916f01c96 (patch) | |
| tree | 19e4a9ae2bd7c557192dec729306000cd5c7ced0 /src/include/device/device.h | |
| parent | b5e4e3441841d8d1b7fac1240b7c73d288df66d5 (diff) | |
| download | coreboot-7e6ee912c689d01b36735db7d893a35916f01c96.tar.xz | |
device: Clarify use of `config_of()`
We don't want unnecessary die() calls to spread throughout coreboot.
Chances are high that we'd add a NON_FATAL_DIE Kconfig eventually.
Change-Id: I01c7efdf23672bad3a195b7dc1565a3cc8a087bd
Signed-off-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/46046
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Werner Zeh <werner.zeh@siemens.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/include/device/device.h')
| -rw-r--r-- | src/include/device/device.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/include/device/device.h b/src/include/device/device.h index b53b64a329..031091ab48 100644 --- a/src/include/device/device.h +++ b/src/include/device/device.h @@ -339,6 +339,12 @@ DEVTREE_CONST struct device *pcidev_path_on_root_debug(pci_devfn_t devfn, const void devtree_bug(const char *func, pci_devfn_t devfn); void __noreturn devtree_die(void); +/* + * Dies if `dev` or `dev->chip_info` are NULL. Returns `dev->chip_info` otherwise. + * + * Only use if missing `chip_info` is fatal and we can't boot. If it's + * not fatal, please handle the NULL case gracefully. + */ static inline DEVTREE_CONST void *config_of(const struct device *dev) { if (dev && dev->chip_info) |