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| author | Jaroslav Kysela <perex@hera.kernel.org> | 2005-06-21 07:39:41 -0700 |
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| committer | Jaroslav Kysela <perex@hera.kernel.org> | 2005-06-21 07:39:41 -0700 |
| commit | fae6ec69c84d71b1d5bda9ede1a262c1681684aa (patch) | |
| tree | eb4aff9a5c2b7d04ce09a3717bb1dd4a79fe7595 /Documentation/driver-model/device.txt | |
| parent | bbc0274e9bb2e3f1d724d445a2bd32566b9b66f7 (diff) | |
| parent | 1d345dac1f30af1cd9f3a1faa12f9f18f17f236e (diff) | |
| download | linux-3.10-fae6ec69c84d71b1d5bda9ede1a262c1681684aa.tar.gz linux-3.10-fae6ec69c84d71b1d5bda9ede1a262c1681684aa.tar.bz2 linux-3.10-fae6ec69c84d71b1d5bda9ede1a262c1681684aa.zip | |
Merge with /pub/scm/linux/kernel/git/torvalds/linux-2.6.git
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 |