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author | Chris Wilson <chris@chris-wilson.co.uk> | 2011-02-16 09:36:05 +0000 |
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committer | Chris Wilson <chris@chris-wilson.co.uk> | 2011-02-16 09:44:30 +0000 |
commit | 9035a97a32836d0e456ddafaaf249a844e6e4b5e (patch) | |
tree | 41ec3db083bdb46cd831f0d39db1fe294ae7d55f /Documentation/ABI/testing/sysfs-platform-at91 | |
parent | fe16d949b45036d9f80e20e07bde1ddacc930b10 (diff) | |
parent | 452858338aec31c1f4414bf07f31663690479869 (diff) | |
download | op-kernel-dev-9035a97a32836d0e456ddafaaf249a844e6e4b5e.zip op-kernel-dev-9035a97a32836d0e456ddafaaf249a844e6e4b5e.tar.gz |
Merge branch 'drm-intel-fixes' into drm-intel-next
Grab the latest stabilisation bits from -fixes and some suspend and
resume fixes from linus.
Conflicts:
drivers/gpu/drm/i915/i915_drv.h
drivers/gpu/drm/i915/i915_irq.c
Diffstat (limited to 'Documentation/ABI/testing/sysfs-platform-at91')
-rw-r--r-- | Documentation/ABI/testing/sysfs-platform-at91 | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-platform-at91 b/Documentation/ABI/testing/sysfs-platform-at91 new file mode 100644 index 0000000..4cc6a86 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-platform-at91 @@ -0,0 +1,25 @@ +What: /sys/devices/platform/at91_can/net/<iface>/mb0_id +Date: January 2011 +KernelVersion: 2.6.38 +Contact: Marc Kleine-Budde <kernel@pengutronix.de> +Description: + Value representing the can_id of mailbox 0. + + Default: 0x7ff (standard frame) + + Due to a chip bug (errata 50.2.6.3 & 50.3.5.3 in + "AT91SAM9263 Preliminary 6249H-ATARM-27-Jul-09") the + contents of mailbox 0 may be send under certain + conditions (even if disabled or in rx mode). + + The workaround in the errata suggests not to use the + mailbox and load it with an unused identifier. + + In order to use an extended can_id add the + CAN_EFF_FLAG (0x80000000U) to the can_id. Example: + + - standard id 0x7ff: + echo 0x7ff > /sys/class/net/can0/mb0_id + + - extended id 0x1fffffff: + echo 0x9fffffff > /sys/class/net/can0/mb0_id |