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| author | Jeff Garzik <jgarzik@pretzel.yyz.us> | 2005-06-26 23:42:30 -0400 |
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| committer | Jeff Garzik <jgarzik@pobox.com> | 2005-06-26 23:42:30 -0400 |
| commit | f45727d52d1581e9ff4df9d1a12a60789ad2d1eb (patch) | |
| tree | 773ae25f98542e6d382c688f7e85e8137d065614 /Documentation/driver-model/device.txt | |
| parent | 4c925f452cfd16c690209e96821ee094e09a2404 (diff) | |
| parent | 5696c1944a33b4434a9a1ebb6383b906afd43a10 (diff) | |
| download | kernel-crypto-f45727d52d1581e9ff4df9d1a12a60789ad2d1eb.tar.gz kernel-crypto-f45727d52d1581e9ff4df9d1a12a60789ad2d1eb.tar.xz kernel-crypto-f45727d52d1581e9ff4df9d1a12a60789ad2d1eb.zip | |
Merge /spare/repo/netdev-2.6/ branch 'ieee80211'
Diffstat (limited to 'Documentation/driver-model/device.txt')
| -rw-r--r-- | Documentation/driver-model/device.txt | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/driver-model/device.txt b/Documentation/driver-model/device.txt index 58cc5dc8fd3..a05ec50f800 100644 --- a/Documentation/driver-model/device.txt +++ b/Documentation/driver-model/device.txt @@ -76,6 +76,14 @@ driver_data: Driver-specific data. platform_data: Platform data specific to the device. + Example: for devices on custom boards, as typical of embedded + and SOC based hardware, Linux often uses platform_data to point + to board-specific structures describing devices and how they + are wired. That can include what ports are available, chip + variants, which GPIO pins act in what additional roles, and so + on. This shrinks the "Board Support Packages" (BSPs) and + minimizes board-specific #ifdefs in drivers. + current_state: Current power state of the device. saved_state: Pointer to saved state of the device. This is usable by |