This series adds an OF wrapper for the uio-pdrv-genirq driver.
Patch 1 refactors the platform driver to expose a generic probe-routine.
Patch 2 then adds the OF wrapper. Documentation for the binding is also added.
There may be an issue with stack-usage, as noted there.
Tested on
This patch refactors the probe routine, so that an of-version of a similiar
driver can pick it up later.
Signed-off-by: Wolfram Sang w.s...@pengutronix.de
Cc: Magnus Damm magnus.d...@gmail.com
Cc: Hans J. Koch h...@linutronix.de
Cc: Greg KH gre...@suse.de
---
drivers/uio/uio_pdrv_genirq.c
Picking up the now exported generic probe function from the
platform-variant of this driver, this patch adds an of-version. Also add
the binding documentation.
Signed-off-by: Wolfram Sang w.s...@pengutronix.de
Cc: Magnus Damm magnus.d...@gmail.com
Cc: Hans J. Koch h...@linutronix.de
Cc: Greg KH
mainline nevertheless?
Thanks,
Wolfram
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are related enough to assume it is
ips here.
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On Sat, Jun 06, 2009 at 09:14:08AM +0100, David Woodhouse wrote:
On Fri, 2009-06-05 at 14:05 +0200, Wolfram Sang wrote:
Create an of-aware driver using the now exported generic functions from
plat-ram.c. Also add the documentation for the binding. Partitions are
not yet supported. Tested
Hello,
this is the new series to adapt the mtd-ram-driver for use with the device
tree. All comments have been addressed and it has been tested on a
phyCORE-MPC5200B-IO (with latest linus-git).
Albrecht: As you used the patches recently, maybe you want to ack them?
Looking forward to comments,
Refactor the probe and remove routines of the mtd-ram driver to export a
generic part which can later be accessed by an of-counterpart of this
driver. Tested with a phyCORE-i.MX27 (ARM, non-of) and a
phyCORE-MPC5200B-IO (PPC, of).
Signed-off-by: Wolfram Sang w.s...@pengutronix.de
Cc: Albrecht
Create an of-aware driver using the now exported generic functions from
plat-ram.c. Also add the documentation for the binding. Partitions are
not yet supported. Tested on a phyCORE-MPC5200B-IO.
Signed-off-by: Wolfram Sang w.s...@pengutronix.de
Cc: Albrecht Dreß albrecht.dr...@arcor.de
Cc: Grant
for some reason. Then again, maybe it should be
skipped, as it makes it easier to not use the proper solution (= device tree)
:)
Kind regards,
Wolfram
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As stated in the source, this one is usually the only
interrupt-controller. To ease creating virq mappings, let it be the
default host.
Signed-off-by: Wolfram Sang w.s...@pengutronix.de
Acked-by: Daniel Ng daniel.ng1...@gmail.com
Cc: Vitaly Bordug v...@kernel.crashing.org
Cc: Kumar Gala ga
only test it and give a tested-by-tag if it doesn't break anything
here. I think Joakim would be a good candidate for an acked-by .
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byte or high byte indicators in non-muxed mode. How is this
supposed to work then?
Hmm, as I feared... we were bitten by this, too:
http://thread.gmane.org/gmane.linux.drivers.mtd/21521
There is no generic solution yet :(
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Rewrite the mpc5200 audio DMA code to support both I2S and AC97. Make it more
robust.
Why is it more robust?
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the
chance to track it down and kill it yet. I believe there are locking
issues associated with it.
Uuuh, I recall this message. Kept me busy for some time :(
You might try this patch which helped in our situation.
===
Subject: Enable XLB pipelining for MPC5200B
From: Wolfram Sang w.s
On Wed, May 20, 2009 at 02:28:52AM +0200, Roel Kluin wrote:
Do not go beyond ARRAY_SIZE of mpc52xx_uart_{ports,nodes}
Signed-off-by: Roel Kluin roel.kl...@gmail.com
Acked-by: Wolfram Sang w.s...@pengutronix.de
---
diff --git a/drivers/serial/mpc52xx_uart.c b/drivers/serial/mpc52xx_uart.c
Add a node for the i2c eeprom and delete the superflous gpio-example.
Signed-off-by: Wolfram Sang w.s...@pengutronix.de
Cc: Grant Likely grant.lik...@secretlab.ca
Cc: linuxppc-dev@ozlabs.org
---
arch/powerpc/boot/dts/pcm030.dts | 26 --
1 files changed, 4 insertions
On Wed, May 20, 2009 at 12:10:59PM -0400, Jon Smirl wrote:
On Wed, May 20, 2009 at 11:53 AM, Wolfram Sang w.s...@pengutronix.de wrote:
- /* FIXME: EEPROM */
+ eep...@52 {
+ compatible = at24,24c32
then, have to dig up details, as it
doesn't seem to happen here...)
Regards,
Wolfram
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Add a node for the i2c eeprom and delete the superflous gpio-example.
Signed-off-by: Wolfram Sang w.s...@pengutronix.de
Cc: Grant Likely grant.lik...@secretlab.ca
Cc: linuxppc-dev@ozlabs.org
---
Changes since V1: use vendor name in eeprom-node
arch/powerpc/boot/dts/pcm030.dts | 26
Hello Grant,
as I am just working on V2 (fixed even some additional things), two more
questions came up:
On Tue, May 19, 2009 at 08:57:15AM -0600, Grant Likely wrote:
On Wed, Jan 21, 2009 at 11:41 AM, Wolfram Sang w.s...@pengutronix.de wrote:
Create an of-aware driver using the now exported
://patchwork.ozlabs.org/patch/23557/
http://patchwork.ozlabs.org/patch/23556/
I'd be happy if you could give it a try and donate some
{Acked|Tested|Reviewed}-by tags. Maybe this will help for my next try to get
it mainline.
Regards,
Wolfram
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Hi Grant,
thanks a lot for the review!
On Tue, May 19, 2009 at 08:57:15AM -0600, Grant Likely wrote:
On Wed, Jan 21, 2009 at 11:41 AM, Wolfram Sang w.s...@pengutronix.de wrote:
Create an of-aware driver using the now exported generic functions from
plat-ram.c. A typical oftree snipplet
. With
that setup, I could work with NFS flawlessly, no real stress-testing though.
Testing latest .3-rt is on my todo, will check the phyCOREs, too.
Regards,
Wolfram
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to be resolved?
Regards,
Wolfram
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- refactor printk with pr_info/pr_cont
- use '=' in output to connect key/value pairs
Signed-off-by: Wolfram Sang w.s...@pengutronix.de
Cc: John Rigby jcri...@gmail.com
Cc: Grant Likely grant.lik...@secretlab.ca
---
arch/powerpc/platforms/512x/clock.c |8
1 file changed, 4
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specific reason for the change from u8 to unsigned? Could be
mentioned in the patch description maybe. And what Sean mentioned :)
Other than that:
Acked-by: Wolfram Sang w.s...@pengutronix.de
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have the discussion privately.
I disagree. There are lots of lurkers on this list who care about
virtex stuff, not to mention non-lurkers like me. :-) I would at
least like to be a fly on the wall of any such discussion.
+1 :)
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- Drop KERN_ levels for printks which print to the same line
- use '=' in output to connect key/value pairs
Signed-off-by: Wolfram Sang w.s...@pengutronix.de
Cc: John Rigby jcri...@gmail.com
Cc: Grant Likely grant.lik...@secretlab.ca
---
arch/powerpc/platforms/512x/clock.c |7 +++
1
Initialize the irq-table with PHY_POLL. '-1' means the same now, but is
hardly maintainable.
Signed-off-by: Wolfram Sang w.s...@pengutronix.de
Cc: Vitaly Bordug vbor...@ru.mvista.com
Cc: Pantelis Antoniou pantelis.anton...@gmail.com
Cc: Grant Likely grant.lik...@secretlab.ca
Cc: net
This code no longer exists in net-next.
EPIC FAIL! :/ I checked the powerpc-tree, but not linux-next. I'm sorry
for the noise, will improve!
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to Domen's original:
Changed filenames/routine names from mpc5200* to mpc5121*
Why not changing it to mpc5xxx? From a glimpse, it should still work on
MPC5200, too.
Regards,
Wolfram
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specific function and create a platform device from there. Sometimes it
works to add a bit more info to the device tree (e.g. some gpios) and
parse it via an of_wrapper around the platform driver.
Regards,
Wolfram
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pushing.
Full ACK!
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an
irq. The message is only printed the first time the irq is mapped,
and it's KERN_DEBUG so most people won't see it.
Signed-off-by: Michael Ellerman mich...@ellerman.id.au
Acked-by: Wolfram Sang w.s...@pengutronix.de
---
arch/powerpc/kernel/irq.c |4 +++-
1 files changed, 3
);
+ }
dev_set_drvdata(op-dev, i2c);
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);
+ }
No, because the I2C registers are not yet mapped.
Sorry, I used misleading words :) With 'here' I meant 'at this
position', i.e. insert my above block where mpc_i2c_setclock was used
anyway.
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Signed-off-by: Wolfram Sang w.s...@pengutronix.de
---
Changes since V1:
* removed defconfig
* reworked localbus node
arch/powerpc/boot/dts/pcm032.dts | 392 ++
arch/powerpc/platforms/52xx/Kconfig |1 +
arch/powerpc/platforms/52xx/mpc5200_simple.c
Signed-off-by: Wolfram Sang w.s...@pengutronix.de
---
arch/powerpc/kernel/pci-common.c |2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c
index 0f41812..f57b7bf 100644
--- a/arch/powerpc/kernel/pci-common.c
On Fri, Mar 06, 2009 at 01:31:41PM -0700, Grant Likely wrote:
Wolfram, you were right. This was a bad idea. I just took me a bit
longer to clue into it.
Instant ACK :D Thanks!
Acked-by: Wolfram Sang w.s...@pengutronix.de
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Signed-off-by: Wolfram Sang w.s...@pengutronix.de
---
arch/powerpc/boot/dts/pcm032.dts | 391 +++
arch/powerpc/configs/52xx/pcm032_defconfig | 1394 ++
arch/powerpc/platforms/52xx/Kconfig |1 +
arch/powerpc/platforms/52xx/mpc5200_simple.c
Forgot to mention that this goes on top of Grant's 'next'-branch.
Regards,
Wolfram
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forward to feedback :)
Regards,
Wolfram Sang
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, because unacknowledged I2C operations can cause the
I2C bus to hang.
Signed-off-by: Timur Tabi ti...@freescale.com
Acked-by: Wolfram Sang w.s...@pengutronix.de
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check anytime if you already
have picked up a patch or if it has been overlooked...
Regards,
Wolfram
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to pull it tomorrow.
Sorry, but it still has issues. This review in a hurry leaves me with a
bit uneasy feelings, still, if the remaining issues get resolved, you
may add my
Reviewed-by: Wolfram Sang w.s...@pengutronix.de
g.
arch/powerpc/platforms/52xx/Makefile |2
arch/powerpc
- Only set to GPIO mode if it has the gpio-controller property. Otherwise
leave the configuration alone. Firmware may have already configured it.
Signed-off-by: Grant Likely grant.lik...@secretlab.ca
CC: Sascha Hauer s.ha...@pengutronix.de
CC: Wolfram Sang w.s...@pengutronix.de
CC: linuxppc
described elsewhere.
Signed-off-by: Grant Likely grant.lik...@secretlab.ca
CC: devtree-disc...@ozlabs.org
CC: Wolfram Sang w.s...@pengutronix.de
Can you please send the updated version so I could add an reviewed-by?
Regards,
Wolfram
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the other devices). Userspace can query sysfs to determine what
ttyPSC number is assigned to each PSC instance.
Signed-off-by: Grant Likely grant.lik...@secretlab.ca
CC: Wolfram Sang w.s...@pengutronix.de
I like it. One more optimization below, but it's also good for now...
Reviewed
audited, not tested on real hardware.
Signed-off-by: Grant Likely grant.lik...@secretlab.ca
Reviewed-by: Wolfram Sang w.s...@pengutronix.de
CC: Wolfram Sang w.s...@pengutronix.de
CC: Wolfgang Grandegger w...@grandegger.com
CC: Sascha Hauer s.ha...@pengutronix.de
CC: Marian Balakowicz m
the IRQF_DISABLED
is not guaranteed on shared IRQs warning message from the console
output.
Signed-off-by: Grant Likely grant.lik...@secretlab.ca
What do I give here? Acked-by? Reviewed? Tested? :D I'll make a guess:
Reviewed-by: Wolfram Sang w.s...@pengutronix.de
---
drivers/serial/mpc52xx_uart.c
.
Signed-off-by: Grant Likely grant.lik...@secretlab.ca
Yup!
Reviewed-by: Wolfram Sang w.s...@pengutronix.de
---
arch/powerpc/platforms/52xx/mpc52xx_pic.c | 23 ---
1 files changed, 0 insertions(+), 23 deletions(-)
diff --git a/arch/powerpc/platforms/52xx
). The simplification is due to
splitting off the handling of external IRQs into a separate block
so they don't need to be handled as exceptions in the normal
CRIT, MAIN and PERP paths.
Signed-off-by: Grant Likely grant.lik...@secretlab.ca
CC: Wolfram Sang w.s...@pengutronix.de
Can't say much about this one
.
Without this patch, PCI appears to work correctly until a PCI
device is inserted which DMAs into memory.
Signed-off-by: Grant Likely grant.lik...@secretlab.ca
No regression with a phyCORE-MPC5200B-tiny. U-Boot did probably the
right thing here...
Tested-by: Wolfram Sang w.s...@pengutronix.de
elsewhere.
Signed-off-by: Grant Likely grant.lik...@secretlab.ca
One minor nit, then you can add
Reviewed-by: Wolfram Sang w.s...@pengutronix.de
CC: devicetree-disc...@ozlabs.org
CC: Wolfram Sang w.s...@pengutronix.de
---
Documentation/powerpc/dts-bindings/fsl/mpc5200.txt | 180
...
Signed-off-by: Grant Likely grant.lik...@secretlab.ca
CC: Sascha Hauer s.ha...@pengutronix.de
CC: Wolfram Sang w.s...@pengutronix.de
CC: linuxppc-dev@ozlabs.org
---
arch/powerpc/platforms/52xx/Makefile |2
arch/powerpc/platforms/52xx/mpc52xx_gpio.c | 85 --
arch
Hi Grant,
I chose to line them up because in my opinion it is easier to follow
the pattern with them written in horizontal columns instead of in
vertical blocks.
I also think the original coding style is easier to read.
Kind regards,
Wolfram
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that it is in Hz?
Yes, like in the frequency next to it.
Kind regards,
Wolfram
PS: The other patches look good to me, too. I just want to test them on
a real phyCORE-tiny this week.
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described elsewhere.
Signed-off-by: Grant Likely grant.lik...@secretlab.ca
CC: devtree-disc...@ozlabs.org
CC: Wolfram Sang w.s...@pengutronix.de
---
Documentation/powerpc/dts-bindings/fsl/mpc5200.txt | 181 +
.../powerpc/mpc52xx-device-tree-bindings.txt | 277
Hello,
found one question thing myself...
On Wed, Jan 21, 2009 at 06:41:25PM +0100, Wolfram Sang wrote:
Create an of-aware driver using the now exported generic functions from
plat-ram.c. A typical oftree snipplet for it looks like this:
s...@04e0 {
compatible = mtd-ram
on a new release for both, the pcm030 and
pcm032 having 2.6.28 for non-RT and 2.6.26 for RT.
Kind regards,
Wolfram
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Hello,
as we needed an of-mtd-ram driver to support SRAM on the
phyCORE-MPC5200B-IO, I did the following:
Patch 1:
refactor plat-ram.c to have generic probe and remove
routines
Patch 2:
use the new routines for an of-driver
Looking forward to comments. (Sidenote: Converting all these
Refactor the probe and remove routines of the mtd-ram driver to export
a generic part which can later be accessed by an of-counterpart of this
driver. Tested with a phyCORE-MPC5200B-IO.
Signed-off-by: Wolfram Sang w.s...@pengutronix.de
---
drivers/mtd/maps/plat-ram.c | 123
.
Signed-off-by: Wolfram Sang w.s...@pengutronix.de
---
drivers/mtd/maps/Kconfig |6 ++
drivers/mtd/maps/Makefile |1 +
drivers/mtd/maps/of-ram.c | 120 +
3 files changed, 127 insertions(+), 0 deletions(-)
create mode 100644 drivers/mtd/maps
Hello Grant,
On Sun, Dec 21, 2008 at 03:01:05AM -0700, Grant Likely wrote:
Wolfram Sang (3):
powerpc/mpc5200: Remove obsolete code from mpc5200 MDIO driver
powerpc/mpc5200: add rts/cts handling in PSC UART driver
powerpc/mpc5200: fix error paths in PSC UART probe function
for this way. May have been
the wrong path, but nothing that could not be changed.
Kind regards,
Wolfram
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inbetween.
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= 0xa;
interrupt-parent = fpga_irq_mux;
};
To achieve this, the probe function has been refactored, so it can be used by
platform and of code. Then, the of driver has been added.
Signed-off-by: Wolfram Sang [EMAIL PROTECTED]
---
drivers/uio/uio_pdrv_genirq.c | 178
,
Wolfram
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- error cases for mapbase and irq were unbundled
- mapped irq now gets disposed on error
- errors return ENODEV instead of EINVAL as they are not dependant on
arguments
Signed-off-by: Wolfram Sang [EMAIL PROTECTED]
---
drivers/serial/mpc52xx_uart.c | 27 +--
1 files
-mapbase) {
- printk(KERN_ERR Could not allocate resources for PSC\n);
- return -EINVAL;
- }
(Originaly dropout for NO_IRQ)
Regards,
Wolfram
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seen the TxRTS feature in Mode Register 2? It looks to me that
it does the same (in hardware) what you achieve with the
*_rts_clear-function and the TX_EMPTY interrupt. Or am I wrong?
Kind regards,
Wolfram
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. Next revision of the PHY will have this
fixed. (Yeah, next revision, sigh...)
All the best,
Wolfram
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Add RTS/CTS-support for the PSC of the MPC5200B. Tested with a Phytec
MPC5200B-IO.
Signed-off-by: Wolfram Sang [EMAIL PROTECTED]
---
arch/powerpc/include/asm/mpc52xx_psc.h | 11 +++-
drivers/serial/mpc52xx_uart.c | 41 ---
2 files changed, 47
regards,
Wolfram
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settings */
out_8(psc-command, MPC52xx_PSC_SEL_MODE_REG_1);
out_8(psc-mode, mr1);
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Thanks!
Wolfram Sang
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, MPC52xx_PSC_RST_TX);
+ /* Update the per-port timeout */
+ uart_update_timeout(port, new-c_cflag, baud);
+
/* Send new mode settings */
out_8(psc-command, MPC52xx_PSC_SEL_MODE_REG_1);
out_8(psc-mode, mr1);
Bye,
Wolfram
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in the MPC5200. The first version of this
patch used MPC5200_BUGFIX and it was mentioned, that some people might
want to run the same kernel on both kind of processors. So, the patch
that went mainline checks for the PVR. Maybe we should stick to this
here, too?
All the best,
Wolfram Sang
--
Dipl.-Ing
Similar to commit 618b26d52843c0f85b8eb143cf2695d7f6fd072d, also remove
automatic probing for this i2c controller. Might need updates to dts files
using it.
Signed-off-by: Wolfram Sang [EMAIL PROTECTED]
Acked-by: Jochen Friedrich [EMAIL PROTECTED]
---
Resend with cc to i2c.
drivers/i2c/busses
. Wolfram Sang | http://www.pengutronix.de
Pengutronix - Linux Solutions for Science and Industry
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Hello Grant,
On Thu, Oct 09, 2008 at 02:02:41AM -0600, Grant Likely wrote:
Wolfram Sang (1):
powerpc/mpc5200: trivial printk-fixes in mpc52xx_common
Thanks.
What about these? :)
http://oldpatchwork.ozlabs.org/linuxppc-embedded/patch?id=20188
(remove obsolete code from mpc52xx_phy
recently read some criticism
about software RS485 (http://article.gmane.org/gmane.linux.serial/2573).
I don't know if these apply to this patch, but it would be nice to have
it sorted out IMHO.
All the best,
Wolfram
--
Dipl.-Ing. Wolfram Sang | http://www.pengutronix.de
Pengutronix - Linux
something like compatible = myvendor, mywatchdog which would
result in lots of duplicated code per watchdog. So, which way to go? I
am really undecided and would be happy to hear opinions.
For completeness, I'll append the current version of my driver.
All the best,
Wolfram
===
From; Wolfram Sang
gripe about this on irc just the other day.
My vote is to kill linuxppc-embedded.
I also think one list will suffice nowadays.
Wolfram
--
Dipl.-Ing. Wolfram Sang | http://www.pengutronix.de
Pengutronix - Linux Solutions for Science and Industry
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Andy
Whitcroft to CC.
Wolfram
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Pengutronix - Linux Solutions for Science and Industry
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?
Note that I don't have any trouble with this platform running RedBoot
or eCos, just Linux :-(
Try this patch and please report if it worked for you:
http://www.nabble.com/-PATCH--MPC52XX:-Don't-touch-pipelining-for-MPC5200B-td19028341.html
All the best,
Wolfram
--
Dipl.-Ing. Wolfram Sang
removing some improper
usage of netif_* calls; furthermore, I also found some questionable
areas in this code (mails will be sent later). So, this driver
needs some careful attention IMHO.
All the best,
Wolfram
--
Dipl.-Ing. Wolfram Sang | http://www.pengutronix.de
Pengutronix - Linux
hope people with more insight to network stuff can deliver a suitable
solution to this problem.
All the best,
Wolfram
===
--
Dipl.-Ing. Wolfram Sang | http://www.pengutronix.de
Pengutronix - Linux Solutions for Science and Industry
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Wolfram
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which place would be
the right one to perform the soft reset. To not make things worse, I
hope people with more insight to network stuff can deliver a suitable
solution to this problem.
All the best,
Wolfram
--
Dipl.-Ing. Wolfram Sang | http://www.pengutronix.de
Pengutronix - Linux Solutions
Fix a few typos and mistakes.
Signed-off-by: Wolfram Sang [EMAIL PROTECTED]
---
libfdt/libfdt.h | 28 ++--
1 files changed, 14 insertions(+), 14 deletions(-)
diff --git a/libfdt/libfdt.h b/libfdt/libfdt.h
index 8645de0..dafb568 100644
--- a/libfdt/libfdt.h
+++ b
being an alias to the proper bus. Maybe I should add that I
am _not_ assuming that the fragment is obtained from the bus which wants to
have devices added. That is, one I2C-eeprom may contain data about
additional devices on PCI.
Kind regards,
Wolfram
--
Dipl.-Ing. Wolfram Sang | http
the correct version perhaps? I'd like to test it, but
can't find it at http://khali.linux-fr.org/devel/linux-2.6/jdelvare-i2c/
(because it is scheduled for 2.6.27?).
All the best,
Wolfram
--
Dipl.-Ing. Wolfram Sang | http://www.pengutronix.de
Pengutronix - Linux Solutions for Science
-by: Wolfram Sang [EMAIL PROTECTED]
---
drivers/of/of_i2c.c |2 --
1 files changed, 0 insertions(+), 2 deletions(-)
diff --git a/drivers/of/of_i2c.c b/drivers/of/of_i2c.c
index b2ccdcb..500cb1e 100644
--- a/drivers/of/of_i2c.c
+++ b/drivers/of/of_i2c.c
@@ -90,8 +90,6 @@ void
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