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Add fmd19 codebase, plus a minimal set of sources from dpaa-eth,
necessary for bare compilation
Change-Id: I390df8717671204e3d98a987135393bef4534e95
Signed-off-by: Mandy Lavi <mandy.lavi@freescale.com>
Signed-off-by: Bogdan Hamciuc <bogdan.hamciuc@freescale.com>
Reviewed-on: http://git.am.freescale.net:8181/1029
Reviewed-by: Fleming Andrew-AFLEMING <AFLEMING@freescale.com>
Tested-by: Fleming Andrew-AFLEMING <AFLEMING@freescale.com>
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For the Marvel 88e1111 PHY only two SGMII modes are available, both
allowing only SGMII to copper mode (with or without clock). SGMII
to fiber mode is not supported. Make sure the fiber/copper registers
selector bit is cleared, selecting copper mode registers. The bit is
found set after the Auto-Negotiation restart erratum is performed.
Change-Id: I21c829260e0f2440f66170d5d8721e7569d8154d
Signed-off-by: Madalin Bucur <madalin.bucur@freescale.com>
(cherry picked from commit 2db23c6bd45fc4e6833dd86bb3ca28e37199b6ba)
Reviewed-on: http://git.am.freescale.net:8181/1028
Reviewed-by: Fleming Andrew-AFLEMING <AFLEMING@freescale.com>
Tested-by: Fleming Andrew-AFLEMING <AFLEMING@freescale.com>
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To be squashed with original commit 3c7bc7d99
Signed-off-by: Bogdan Hamciuc <bogdan.hamciuc@freescale.com>
Change-Id: Ifa7cd8d12c4f3f460d1dffbacbd6b7857bb54364
Reviewed-on: http://git.am.freescale.net:8181/1027
Reviewed-by: Fleming Andrew-AFLEMING <AFLEMING@freescale.com>
Tested-by: Fleming Andrew-AFLEMING <AFLEMING@freescale.com>
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Program the filer to perform hashing based on SPI (Secutity Parameter
Index) for the AH/ESP incoming packets. The aim is to speed up processing
of IPSEC flows on eTSEC platforms, by distributing them to separate Rx
queues which gives the possibility to process the flows on separate CPUs.
Signed-off-by: Pankaj Chauhan <pankaj.chauhan@freescale.com>
Signed-off-by: Claudiu Manoil <claudiu.manoil@freescale.com>
Change-Id: I9c7525b18589e28bb819a8bff7310c4f0ce08765
Reviewed-on: http://git.am.freescale.net:8181/1009
Reviewed-by: Fleming Andrew-AFLEMING <AFLEMING@freescale.com>
Tested-by: Fleming Andrew-AFLEMING <AFLEMING@freescale.com>
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Remove the assumption that num_rx_queues==num_tx_queues
from ethtool -G option. Rx and Tx ring sizes shall be
configured independently by ethtool, according to the
corresponding num_rx_queues and resp. num_tx_queues values.
Signed-off-by: Claudiu Manoil <claudiu.manoil@freescale.com>
Change-Id: I0e2af163eb37637b373e2fe49d14bfe2bfdfbd68
Reviewed-on: http://git.am.freescale.net:8181/983
Reviewed-by: Fleming Andrew-AFLEMING <AFLEMING@freescale.com>
Tested-by: Fleming Andrew-AFLEMING <AFLEMING@freescale.com>
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This patch contains the following fixes:
1. Support for finding guts node on T4 & B4 platforms.
2. Make iova dma_addr_t constistent with iova_to_phys API change.
3. Disable SPAACE while reconfiguring it.
4. Make API and internal function static.
5. Free data pointer in case of an error.
6. Update comment description and remove unneeded comment.
Signed-off-by: Varun Sethi <Varun.Sethi@freescale.com>
Change-Id: I4763d9783e9f3d8057c991ca424e48e337c20f3b
Reviewed-on: http://git.am.freescale.net:8181/884
Reviewed-by: Yoder Stuart-B08248 <stuart.yoder@freescale.com>
Reviewed-by: Fleming Andrew-AFLEMING <AFLEMING@freescale.com>
Tested-by: Fleming Andrew-AFLEMING <AFLEMING@freescale.com>
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Make iova dma_addr_t instead of u64. dma_addrt_t is more appropriate in our
case as it is a DMA address. Also, as we support 64 bit physical addresses
dma_addr_t is u64 even on 32 bit e500mc based platforms.
Signed-off-by: Varun Sethi <Varun.Sethi@freescale.com>
Change-Id: Icbb83a6eae00a2be86c20b272eb537b095173f36
Reviewed-on: http://git.am.freescale.net:8181/883
Reviewed-by: Yoder Stuart-B08248 <stuart.yoder@freescale.com>
Reviewed-by: Fleming Andrew-AFLEMING <AFLEMING@freescale.com>
Tested-by: Fleming Andrew-AFLEMING <AFLEMING@freescale.com>
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This is a small test module to transfer and receive data via tdm.
It also supports zarlink LM card phone call.
Signed-off-by: Jiucheng Xu <Jiucheng.Xu@freescale.com>
Signed-off-by: Kai.Jiang <Kai.Jiang@freescale.com>
Signed-off-by: Xie Xiaobo <X.Xie@freescale.com>
Signed-off-by: Li Yang <leoli@freescale.com>
Change-Id: I47396d43b37e31e8de926af353dadfdaf637f13f
Reviewed-on: http://git.am.freescale.net:8181/906
Reviewed-by: Fleming Andrew-AFLEMING <AFLEMING@freescale.com>
Tested-by: Fleming Andrew-AFLEMING <AFLEMING@freescale.com>
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The patch enable Freescale PQ-MDS-T1 card to work in T1 or E1 mode.
This card is connected to the board by PMC socket, it aslo supports
Line Module extended e.g. zarlink,le88266, we can use
"fsl,card_support" in dts to select which module you want.
Signed-off-by: Jiucheng Xu <Jiucheng.Xu@freescale.com>
Signed-off-by: Kai.Jiang <Kai.Jiang@freescale.com>
Signed-off-by: Xie Xiaobo <X.Xie@freescale.com>
Change-Id: I3f39fed84e137f7a19859935dbf71fac01330b47
Reviewed-on: http://git.am.freescale.net:8181/905
Reviewed-by: Fleming Andrew-AFLEMING <AFLEMING@freescale.com>
Tested-by: Fleming Andrew-AFLEMING <AFLEMING@freescale.com>
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Tdm core exported the simple function interfaces for user in kernel space.
Signed-off-by: Jiucheng Xu <Jiucheng.Xu@freescale.com>
Signed-off-by: Kai.Jiang <Kai.Jiang@freescale.com>
Signed-off-by: Haiying Wang <Haiying.Wang@freescale.com>
Signed-off-by: Xie Xiaobo <X.Xie@freescale.com>
Change-Id: Ifc8ef6b14f7cbc3c88fcfc5e4a1afd59564d8059
Reviewed-on: http://git.am.freescale.net:8181/904
Reviewed-by: Fleming Andrew-AFLEMING <AFLEMING@freescale.com>
Tested-by: Fleming Andrew-AFLEMING <AFLEMING@freescale.com>
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This patch enabled UCC as transparent controller, working in continue
mode, and enabled TSA A/B/C/D ports to send and receive data from UCC.
This TDM function can transfer and receive data at different time slot
based on tdm dts setting. Different UCC and TSA port can be binded to
one TDM based on dts.
Change-Id: I0da63966c82ca7da8e6bfc5fbb37f54596aef52a
Signed-off-by: Jiucheng Xu <Jiucheng.Xu@freescale.com>
Signed-off-by: Kai.Jiang <Kai.Jiang@freescale.com>
Signed-off-by: Haiying Wang <Haiying.Wang@freescale.com>
Signed-off-by: Xie Xiaobo <X.Xie@freescale.com>
Reviewed-on: http://git.am.freescale.net:8181/903
Reviewed-by: Fleming Andrew-AFLEMING <AFLEMING@freescale.com>
Tested-by: Fleming Andrew-AFLEMING <AFLEMING@freescale.com>
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Some sandisk card can't support CMD23, cmd timeout will generate.
SO add FIX-UP for two type of these Sandisk cards.
"SDMB-32" and "SDM032"
Error log:
mmcblk0: timed out sending SET_BLOCK_COUNT command, card status 0x400900
mmcblk0: timed out sending SET_BLOCK_COUNT command, card status 0x400900
mmcblk0: timed out sending SET_BLOCK_COUNT command, card status 0x400900
end_request: I/O error, dev mmcblk0, sector 0
Buffer I/O error on device mmcblk0, logical block 0
mmcblk0: timed out sending SET_BLOCK_COUNT command, card status 0x400900
Signed-off-by: Jerry Huang <Chang-Ming.Huang@freescale.com>
Signed-off-by: Haijun Zhang <Haijun.Zhang@freescale.com>
Change-Id: I14efdaa447b9c683a7a0bc3444a58df030112806
Reviewed-on: http://git.am.freescale.net:8181/886
Reviewed-by: Fleming Andrew-AFLEMING <AFLEMING@freescale.com>
Tested-by: Fleming Andrew-AFLEMING <AFLEMING@freescale.com>
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Disable stuff which is known to have issues on RT
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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On !RT interrupt runs with interrupts disabled. On RT it's in a
thread, so no need to disable interrupts at all.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
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It is possible that the handler gets interrupted after checking the
status. After it resumes it the time out is due but the condition it was
waiting for might be true. Therefore it is necessary to check the
condition in case of an time out to be sure that the condition is not
true _and_ the time passed by.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
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The lock is taken while reading two registers. On RT the first lock is
taken in hard irq where it might sleep and in the threaded irq.
The threaded irq runs in oneshot mode so the hard irq does not run until
the thread the completes so there is no reason to grab the lock.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
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Delegate the random insertion to the forced threaded interrupt
handler. Store the return IP of the hard interrupt handler in the irq
descriptor and feed it into the random generator as a source of
entropy.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: stable-rt@vger.kernel.org
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RT triggers the following:
[ 11.307652] [<ffffffff81077b27>] __might_sleep+0xe7/0x110
[ 11.307663] [<ffffffff8150e524>] rt_spin_lock+0x24/0x60
[ 11.307670] [<ffffffff8150da78>] ? rt_spin_lock_slowunlock+0x78/0x90
[ 11.307703] [<ffffffffa0272d83>] qla24xx_intr_handler+0x63/0x2d0 [qla2xxx]
[ 11.307736] [<ffffffffa0262307>] qla2x00_poll+0x67/0x90 [qla2xxx]
Function qla2x00_poll does local_irq_save() before calling qla24xx_intr_handler
which has a spinlock. Since spinlocks are sleepable on rt, it is not allowed
to call them with interrupts disabled. Therefore we use local_irq_save_nort()
instead which saves flags without disabling interrupts.
This fix needs to be applied to v3.0-rt, v3.2-rt and v3.4-rt
Suggested-by: Thomas Gleixner
Signed-off-by: John Kacur <jkacur@redhat.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: David Sommerseth <davids@redhat.com>
Link: http://lkml.kernel.org/r/1335523726-10024-1-git-send-email-jkacur@redhat.com
Cc: stable-rt@vger.kernel.org
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Use the BUG_ON_NORT variant for the irq_disabled() checks. RT has
interrupts legitimately enabled here as we cant deadlock against the
irq thread due to the "sleeping spinlocks" conversion.
Reported-by: Luis Claudio R. Goncalves <lclaudio@uudg.org>
Cc: stable-rt@vger.kernel.org
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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On 07/27/2011 04:37 PM, Thomas Gleixner wrote:
> - KGDB (not yet disabled) is reportedly unusable on -rt right now due
> to missing hacks in the console locking which I dropped on purpose.
>
To work around this in the short term you can use this patch, in
addition to the clocksource watchdog patch that Thomas brewed up.
Comments are welcome of course. Ultimately the right solution is to
change separation between the console and the HW to have a polled mode
+ work queue so as not to introduce any kind of latency.
Thanks,
Jason.
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RT is not too happy about the shared timer interrupt in AT91
devices. Default to tclib timer for RT.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Beyond the warning:
drivers/tty/serial/8250/8250.c:1613:6: warning: unused variable ‘pass_counter’ [-Wunused-variable]
the solution of just looping infinitely was ugly - up it to 1 million to
give it a chance to continue in some really ugly situation.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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__raid_run_ops() disables preemption with get_cpu() around the access
to the raid5_percpu variables. That causes scheduling while atomic
spews on RT.
Serialize the access to the percpu data with a lock and keep the code
preemptible.
Reported-by: Udo van den Heuvel <udovdh@xs4all.nl>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Udo van den Heuvel <udovdh@xs4all.nl>
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When copying large amounts of data between the USB storage devices and
the hard disk, the USB mouse will not work, this patch fixes it.
[NOTE: This problem have been found in the Loongson family machines, not
sure whether it is producible on other platforms]
Signed-off-by: Hu Hongbing <huhb@lemote.com>
Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com>
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The adjust_link() disables interrupts before taking the queue
locks. On RT those locks are converted to "sleeping" locks and
therefor the local_irq_save/restore must be converted to
local_irq_save/restore_nort.
Reported-by: Xianghua Xiao <xiaoxianghua@gmail.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Xianghua Xiao <xiaoxianghua@gmail.com>
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Argh, cut and paste wasn't enough...
Use this patch instead. It needs an irq disable. But, believe it or not,
on SMP this is actually better. If the irq is shared (as it is in Mark's
case), we don't stop the irq of other devices from being handled on
another CPU (unfortunately for Mark, he pinned all interrupts to one CPU).
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
drivers/net/ethernet/3com/3c59x.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Preempt-RT runs into a live lock issue with the NETDEV_TX_LOCKED micro
optimization. The reason is that the softirq thread is rescheduling
itself on that return value. Depending on priorities it starts to
monoplize the CPU and livelock on UP systems.
Remove it.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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[ tglx: Now that irqf_disabled is dead we should kill that ]
Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Use the _nort() primitives.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Fixes in_atomic stack-dump, when Mellanox module is loaded into the RT
Kernel.
Michael S. Tsirkin <mst@dev.mellanox.co.il> sayeth:
"Basically, if you just make spin_lock_irqsave (and spin_lock_irq) not disable
interrupts for non-raw spinlocks, I think all of infiniband will be fine without
changes."
Signed-off-by: Sven-Thorsten Dietrich <sven@thebigcorporation.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Use the local_irq_*_nort variants.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Use the local_irq_*_nort variants.
Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Jon Masters developed this wonderful SMI detector. For details please
consult Documentation/hwlat_detector.txt. It could be ported to Linux
3.0 RT without any major change.
Signed-off-by: Carsten Emde <C.Emde@osadl.org>
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The waitqueue is protected by the pci_lock, so we can just avoid to
lock the waitqueue lock itself. That prevents the
might_sleep()/scheduling while atomic problem on RT
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: stable-rt@vger.kernel.org
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Use disable_irq_nosync() instead of disable_irq() as this might be
called in atomic context with netpoll.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Otherwise the device is not completely shut down.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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As default the TCLIB uses the 32KiHz base clock rate for clock events.
Add a compile time selection to allow higher clock resulution.
Signed-off-by: Benedikt Spranger <b.spranger@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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No need to keep preemption disabled across the whole function.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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of_get_next_available_child() acquires devtree_lock, then calls
of_device_is_available() which calls of_get_property() which calls
of_find_property() which tries to re-acquire devtree_lock, thus causing
deadlock.
To avoid this, create a new __of_device_is_available() which calls
__of_get_property() instead, which calls __of_find_property(), which
does not take the lock,. Update of_get_next_available_child() to call
the new __of_device_is_available() since it already owns the lock.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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24 core Intel box's first exposure to 3.0.12-rt30-rc3 didn't go well.
[ 27.104159] i7300_idle: loaded v1.55
[ 27.104192] BUG: scheduling while atomic: swapper/2/0/0x00000002
[ 27.104309] Pid: 0, comm: swapper/2 Tainted: G N 3.0.12-rt30-rc3-rt #1
[ 27.104317] Call Trace:
[ 27.104338] [<ffffffff810046a5>] dump_trace+0x85/0x2e0
[ 27.104372] [<ffffffff8144eb00>] thread_return+0x12b/0x30b
[ 27.104381] [<ffffffff8144f1b9>] schedule+0x29/0xb0
[ 27.104389] [<ffffffff814506e5>] rt_spin_lock_slowlock+0xc5/0x240
[ 27.104401] [<ffffffffa01f818f>] i7300_idle_notifier+0x3f/0x360 [i7300_idle]
[ 27.104415] [<ffffffff814546c7>] notifier_call_chain+0x37/0x70
[ 27.104426] [<ffffffff81454748>] __atomic_notifier_call_chain+0x48/0x70
[ 27.104439] [<ffffffff81001a39>] cpu_idle+0x89/0xb0
[ 27.104449] bad: scheduling from the idle thread!
Signed-off-by: Mike Galbraith <efault@gmx.de>
Cc: Steven Rostedt <rostedt@goodmis.org>
Link: http://lkml.kernel.org/r/1323258522.5057.73.camel@marge.simson.net
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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With the locking cleanup in place (from "OF: Fixup resursive
locking code paths"), we can now do the conversion from the
rw_lock to a raw spinlock as required for preempt-rt.
The previous cleanup and this conversion were originally
separate since they predated when mainline got raw spinlock (in
commit c2f21ce2e31286a "locking: Implement new raw_spinlock").
So, at that point in time, the cleanup was considered plausible
for mainline, but not this conversion. In any case, we've kept
them separate as it makes for easier review and better bisection.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: <devicetree-discuss@lists.ozlabs.org>
Cc: Rob Herring <rob.herring@calxeda.com>
Link: http://lkml.kernel.org/r/1360182656-15898-1-git-send-email-paul.gortmaker@windriver.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
[PG: taken from preempt-rt, update subject & add a commit log]
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
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There is no real reason to use a rwlock for devtree_lock. It even
could be a mutex, but unfortunately it's locked from cpu hotplug
paths which can't schedule :(
So it needs to become a raw lock on rt as well. The devtree_lock would
be the only user of a raw_rw_lock, so we are better off cleaning up the
recursive locking paths which allows us to convert devtree_lock to a
read_lock.
Here we do the standard thing of introducing __foo() as the "raw"
version of foo(), so that we can take better control of the locking.
The "raw" versions are not exported and are for internal use within
the file itself.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Cc: devicetree-discuss@lists.ozlabs.org
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Rob Herring <rob.herring@calxeda.com>
Link: http://lkml.kernel.org/r/1359138107-14159-1-git-send-email-paul.gortmaker@windriver.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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