diff options
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/filesystems/vfs.txt | 3 | ||||
| -rw-r--r-- | Documentation/laptops/thinkpad-acpi.txt | 4 | ||||
| -rw-r--r-- | Documentation/spi/spi-summary | 6 |
3 files changed, 9 insertions, 4 deletions
diff --git a/Documentation/filesystems/vfs.txt b/Documentation/filesystems/vfs.txt index deeeed0faa8f..f49eecf2e573 100644 --- a/Documentation/filesystems/vfs.txt +++ b/Documentation/filesystems/vfs.txt | |||
| @@ -277,8 +277,7 @@ or bottom half). | |||
| 277 | unfreeze_fs: called when VFS is unlocking a filesystem and making it writable | 277 | unfreeze_fs: called when VFS is unlocking a filesystem and making it writable |
| 278 | again. | 278 | again. |
| 279 | 279 | ||
| 280 | statfs: called when the VFS needs to get filesystem statistics. This | 280 | statfs: called when the VFS needs to get filesystem statistics. |
| 281 | is called with the kernel lock held | ||
| 282 | 281 | ||
| 283 | remount_fs: called when the filesystem is remounted. This is called | 282 | remount_fs: called when the filesystem is remounted. This is called |
| 284 | with the kernel lock held | 283 | with the kernel lock held |
diff --git a/Documentation/laptops/thinkpad-acpi.txt b/Documentation/laptops/thinkpad-acpi.txt index 3d7650768bb5..e7e9a69069e1 100644 --- a/Documentation/laptops/thinkpad-acpi.txt +++ b/Documentation/laptops/thinkpad-acpi.txt | |||
| @@ -1,7 +1,7 @@ | |||
| 1 | ThinkPad ACPI Extras Driver | 1 | ThinkPad ACPI Extras Driver |
| 2 | 2 | ||
| 3 | Version 0.22 | 3 | Version 0.23 |
| 4 | November 23rd, 2008 | 4 | April 10th, 2009 |
| 5 | 5 | ||
| 6 | Borislav Deianov <borislav@users.sf.net> | 6 | Borislav Deianov <borislav@users.sf.net> |
| 7 | Henrique de Moraes Holschuh <hmh@hmh.eng.br> | 7 | Henrique de Moraes Holschuh <hmh@hmh.eng.br> |
diff --git a/Documentation/spi/spi-summary b/Documentation/spi/spi-summary index 0f5122eb282b..4a02d2508bc8 100644 --- a/Documentation/spi/spi-summary +++ b/Documentation/spi/spi-summary | |||
| @@ -511,10 +511,16 @@ SPI MASTER METHODS | |||
| 511 | This sets up the device clock rate, SPI mode, and word sizes. | 511 | This sets up the device clock rate, SPI mode, and word sizes. |
| 512 | Drivers may change the defaults provided by board_info, and then | 512 | Drivers may change the defaults provided by board_info, and then |
| 513 | call spi_setup(spi) to invoke this routine. It may sleep. | 513 | call spi_setup(spi) to invoke this routine. It may sleep. |
| 514 | |||
| 514 | Unless each SPI slave has its own configuration registers, don't | 515 | Unless each SPI slave has its own configuration registers, don't |
| 515 | change them right away ... otherwise drivers could corrupt I/O | 516 | change them right away ... otherwise drivers could corrupt I/O |
| 516 | that's in progress for other SPI devices. | 517 | that's in progress for other SPI devices. |
| 517 | 518 | ||
| 519 | ** BUG ALERT: for some reason the first version of | ||
| 520 | ** many spi_master drivers seems to get this wrong. | ||
| 521 | ** When you code setup(), ASSUME that the controller | ||
| 522 | ** is actively processing transfers for another device. | ||
| 523 | |||
| 518 | master->transfer(struct spi_device *spi, struct spi_message *message) | 524 | master->transfer(struct spi_device *spi, struct spi_message *message) |
| 519 | This must not sleep. Its responsibility is arrange that the | 525 | This must not sleep. Its responsibility is arrange that the |
| 520 | transfer happens and its complete() callback is issued. The two | 526 | transfer happens and its complete() callback is issued. The two |