Merge commit 'v2.6.30-rc3' into x86/urgent

Merge reason: hpet.c changed upstream, make sure we test against that

Signed-off-by: Ingo Molnar <mingo@elte.hu>

Documentation/filesystems/vfs.txt

@@ -277,8 +277,7 @@ or bottom half).
   unfreeze_fs: called when VFS is unlocking a filesystem and making it writable
   	again.
 
-  statfs: called when the VFS needs to get filesystem statistics. This
-	is called with the kernel lock held
+  statfs: called when the VFS needs to get filesystem statistics.
 
   remount_fs: called when the filesystem is remounted. This is called
 	with the kernel lock held

Documentation/spi/spi-summary

@@ -511,10 +511,16 @@ SPI MASTER METHODS
 	This sets up the device clock rate, SPI mode, and word sizes.
 	Drivers may change the defaults provided by board_info, and then
 	call spi_setup(spi) to invoke this routine.  It may sleep.
+
 	Unless each SPI slave has its own configuration registers, don't
 	change them right away ... otherwise drivers could corrupt I/O
 	that's in progress for other SPI devices.
 
+		** BUG ALERT:  for some reason the first version of
+		** many spi_master drivers seems to get this wrong.
+		** When you code setup(), ASSUME that the controller
+		** is actively processing transfers for another device.
+
     master->transfer(struct spi_device *spi, struct spi_message *message)
     	This must not sleep.  Its responsibility is arrange that the
 	transfer happens and its complete() callback is issued.  The two