Re: [PATCH 5/5] drivers/tty: make serial 8250_lpc18xx.c Kconfig a tristate

2015-08-19 Thread Joachim Eastwood
On 19 August 2015 at 23:48, Paul Gortmaker wrote: > The Kconfig currently controlling compilation of this code is: > > 8250/Kconfig:config SERIAL_8250_LPC18XX > 8250/Kconfig:bool "NXP LPC18xx/43xx serial port support" > > ...meaning that it currently is not being built as a module by anyon

Re: [PATCH v3 0/14] Add Analogix Core Display Port Driver

2015-08-19 Thread Jingoo Han
On 2015. 8. 20., at PM 3:23, Yakir Yang wrote: > > Hi Jingoo & Archit, > > >> On 08/20/2015 12:54 AM, Jingoo Han wrote: >>> On 2015. 8. 20., at PM 1:29, Archit Taneja wrote: >>> Hi, >>> On 08/19/2015 08:18 PM, Yakir Yang wrote: Hi all, The Samsung Exynos eDP controller

Re: [GIT PULL] x86 fixes

2015-08-19 Thread H. Peter Anvin
Yes, and MMX, SSE et al didn't have the envision trap support, so you would have to do a full decide and emulation inside the #UD handler. However, the trap overhead for a lot of those instructions is extreme, as compared to the rather heavyweight x87 instructions (in terms of the ratio between

Re: [PATCH v1 2/4] dmaengine: xgene-dma: Add support for CRC32C calculation via DMA engine

2015-08-19 Thread Rameshwar Sahu
Hi Vinod, On Thu, Aug 20, 2015 at 11:10 AM, Vinod Koul wrote: > On Thu, Jul 30, 2015 at 05:41:06PM +0530, Rameshwar Prasad Sahu wrote: >> + /* Invalidate unused source address field */ >> + for (; i < 4; i++) >> + xgene_dma_invalidate_buffer(xgene_dma_lookup_ext8(desc2, i)); >

[RFC] fbdev/nvidia:change reverse_order() macro

2015-08-19 Thread yalin wang
This change reverse_order() to swab32(bitrev32()), so that it can have better performance on some platforms. Signed-off-by: yalin wang --- drivers/video/fbdev/nvidia/nv_accel.c | 4 ++-- drivers/video/fbdev/nvidia/nv_local.h | 13 - 2 files changed, 6 insertions(+), 11 deletions(-)

RE: [PATCH v4] iio: adc: vf610: Add IIO buffer support for Vybrid ADC

2015-08-19 Thread Duan Andy
From: Sanchayan Maity Sent: Monday, August 17, 2015 11:52 PM > To: ji...@kernel.org; linux-...@vger.kernel.org > Cc: ste...@agner.ch; Duan Fugang-B38611; pme...@pmeerw.net; linux- > ker...@vger.kernel.org; linux-arm-ker...@lists.infradead.org; Sanchayan > Maity > Subject: [PATCH v4] iio: adc: vf6

Re: [PATCH v2 1/8] crypto: support (de)compression API that doesn't require tfm object

2015-08-19 Thread Herbert Xu
On Thu, Aug 20, 2015 at 03:34:57PM +0900, Joonsoo Kim wrote: > Until now, tfm object embeds (de)compression context in it and > (de)compression in crypto API requires tfm object to use > this context. But, there are some algorithms that doesn't need > such context to operate. Therefore, this patch

Re: Re: [PATCH] arm: Adding support for atomic half word exchange

2015-08-19 Thread Sarbojit Ganguly
My apologies, the e-mail editor was not configured properly. CC'ed to relevant maintainers and reposting once again with proper formatting. Since 16 bit half word exchange was not there and MCS based qspinlock by Waiman's xchg_tail() requires an atomic exchange on a half word, here is a small mod

Re: [PATCH 1/2] ubifs: Remove dead xattr code

2015-08-19 Thread Richard Weinberger
Am 20.08.2015 um 04:48 schrieb Dongsheng Yang: > On 08/20/2015 04:35 AM, Richard Weinberger wrote: >> This is a partial revert of commit d7f0b70d30ffb9bbe6b8a3e1035cf0b79965ef53 >> ("UBIFS: Add security.* XATTR support for the UBIFS"). > > Hi Richard, > What about a full reverting of this comm

Re: un4i-ss-cipher.c warning

2015-08-19 Thread Herbert Xu
On Thu, Aug 20, 2015 at 08:39:00AM +0200, Maxime Ripard wrote: > > Not in the dev_dbg call line 258. If ileft was negative or null, todo > isn't assigned to anything. If ileft starts out being <= 0, then oleft == ileft will also be <= 0, in which case the loop never executes. Cheers, -- Email: H

Re: [PATCH 1/2] ubifs: Remove dead xattr code

2015-08-19 Thread Artem Bityutskiy
On Thu, 2015-08-20 at 10:48 +0800, Dongsheng Yang wrote: > On 08/20/2015 04:35 AM, Richard Weinberger wrote: > > This is a partial revert of commit > > d7f0b70d30ffb9bbe6b8a3e1035cf0b79965ef53 > > ("UBIFS: Add security.* XATTR support for the UBIFS"). > > Hi Richard, > What about a full rev

Re: [PATCH 4/5] usb: xhci: stop everything on the first call to xhci_stop

2015-08-19 Thread Roger Quadros
On 18/08/15 15:14, Mathias Nyman wrote: > On 18.08.2015 13:39, Roger Quadros wrote: >> xhci_stop will be called twice, once for the shared hcd >> and again for the primary hcd. >> >> We stop the XHCI controller in any case so clean up >> everything on the first call else we can timeout >> waiting

Re: [PATCH 2/2] ubifs: Allow O_DIRECT

2015-08-19 Thread Richard Weinberger
Yang, (Sorry if I've used your last name lately) Am 20.08.2015 um 05:00 schrieb Dongsheng Yang: > On 08/20/2015 04:35 AM, Richard Weinberger wrote: >> Currently UBIFS does not support direct IO, but some applications >> blindly use the O_DIRECT flag. >> Instead of failing upon open() we can do bet

Re: [PATCH v4] iio: adc: vf610: Add IIO buffer support for Vybrid ADC

2015-08-19 Thread maitysanchayan
Hello Fugang Duan, Can I have your ACK if you are ok with the changes made by the patch? Thanks & Regards, Sanchayan Maity. On 15-08-17 21:21:40, Sanchayan Maity wrote: > This patch adds support for IIO buffer to the Vybrid ADC driver. > IIO triggered buffer infrastructure along with iio sysfs t

Re: un4i-ss-cipher.c warning

2015-08-19 Thread Maxime Ripard
On Thu, Aug 20, 2015 at 01:29:03PM +0800, Herbert Xu wrote: > On Wed, Aug 19, 2015 at 04:35:36PM +0200, Michal Suchanek wrote: > > Hello, > > > > when building a kernel with sunxi crypto driver as merged into the > > sinxi-wip branch I get a compiler warning. > > > > I am not sure this is the lat

Re: [PATCH 0/4] DMA: tegra-apb: Clean-up

2015-08-19 Thread Vinod Koul
On Thu, Aug 06, 2015 at 02:32:29PM +0100, Jon Hunter wrote: > Some clean-up changes for the tegra-apb DMA driver. Applied after fixing subsystem name -- ~Vinod -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More

[PATCH v2 2/8] crypto/lzo: support decompress_noctx

2015-08-19 Thread Joonsoo Kim
lzo's decompression doesn't requires any scratch buffer so it doesn't need tfm context. Hence, it can support crypto compression noctx API and this patch implements it. Signed-off-by: Joonsoo Kim --- crypto/lzo.c | 18 +- 1 file changed, 17 insertions(+), 1 deletion(-) diff --gi

[PATCH v2 8/8] zram: use decompress_noctx

2015-08-19 Thread Joonsoo Kim
Crypto subsystem supports noctx API which doesn't require tfm. To get tfm in zram, we need zstrm and it is limited resource. If we uses noctx API, we don't need to get zstrm so that we get much better performance when zstrm is insufficient. This patch restores zram's performance to the time that z

[PATCH v2 5/8] crypto/842: support decompress_noctx

2015-08-19 Thread Joonsoo Kim
842's decompression doesn't requires any scratch buffer so it doesn't need tfm context. Hence, it can support crypto compression noctx API and this patch implements it. Signed-off-by: Joonsoo Kim --- crypto/842.c | 8 +++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/crypto/8

[PATCH v2 6/8] zram: change zcomp_compress interface

2015-08-19 Thread Joonsoo Kim
zram regards zstrm's buffer as compression destination buffer, but, it is not intuitive and there is no document about it. Providing destination buffer to zcomp_compress() directly seems more intuitive interface to me so this patch changes zcomp_compress interface. Signed-off-by: Joonsoo Kim ---

Re: [Patch V3 3/9] sgi-xp: Replace cpu_to_node() with cpu_to_mem() to support memoryless node

2015-08-19 Thread Jiang Liu
On 2015/8/20 8:02, David Rientjes wrote: > On Wed, 19 Aug 2015, Jiang Liu wrote: > >>> Why not simply fix build_zonelists_node() so that the __GFP_THISNODE >>> zonelists are set up to reference the zones of cpu_to_mem() for memoryless >>> nodes? >>> >>> It seems much better than checking and mai

[PATCH v2 4/8] crypto/lz4hc: support decompress_noctx

2015-08-19 Thread Joonsoo Kim
lz4hc's decompression doesn't requires any scratch buffer so it doesn't need tfm context. Hence, it can support crypto compression noctx API and this patch implements it. Signed-off-by: Joonsoo Kim --- crypto/lz4hc.c | 17 - 1 file changed, 16 insertions(+), 1 deletion(-) diff -

[PATCH v2 7/8] zram: use crypto API for compression

2015-08-19 Thread Joonsoo Kim
Until now, zram uses compression algorithm through direct call to core algorithm function, but, it has drawback that we need to add compression algorithm manually to zram if needed. Without this work, we cannot utilize various compression algorithms in the system. Moreover, to add new compression a

Re: [PATCH] usb: musb: omap2430: use *syscon* framework API to write to mailbox register

2015-08-19 Thread Kishon Vijay Abraham I
Hi, On Thursday 06 August 2015 02:17 PM, Tony Lindgren wrote: > * Kishon Vijay Abraham I [150805 07:10]: >> On Wednesday 05 August 2015 01:31 PM, Tony Lindgren wrote: >>> >>> We don't have syscon-otghs and to me it seems we need a PHY driver >>> as I pointed out at: >> >> If *syscon-otghs* is not

[PATCH v2 3/8] crypyo/lz4: support decompress_noctx

2015-08-19 Thread Joonsoo Kim
lz4's decompression doesn't requires any scratch buffer so it doesn't need tfm context. Hence, it can support crypto compression noctx API and this patch implements it. Signed-off-by: Joonsoo Kim --- crypto/lz4.c | 17 - 1 file changed, 16 insertions(+), 1 deletion(-) diff --git

[PATCH v2 1/8] crypto: support (de)compression API that doesn't require tfm object

2015-08-19 Thread Joonsoo Kim
Until now, tfm object embeds (de)compression context in it and (de)compression in crypto API requires tfm object to use this context. But, there are some algorithms that doesn't need such context to operate. Therefore, this patch introduce new crypto compression API that call (de)compression functi

[PATCH v2 0/8] zram: introduce crypto compress noctx API and use it on zram

2015-08-19 Thread Joonsoo Kim
This patchset makes zram to use crypto API in order to support more compression algorithm. The reason we need to support vairous compression algorithms is that zram's performance is highly depend on workload and compression algorithm and architecture. Every compression algorithm has it's own stron

Re: [PATCH v4 2/2] dma: Add Xilinx zynqmp dma engine driver support

2015-08-19 Thread punnaiah choudary kalluri
On Thu, Aug 20, 2015 at 11:43 AM, Vinod Koul wrote: > On Thu, Aug 06, 2015 at 08:49:33AM +0530, Punnaiah Choudary Kalluri wrote: > >> + list_for_each_entry_safe(desc, next, &chan->done_list, node) { >> + dma_async_tx_callback callback; >> + void *callback_param; >> + >>

Re: [PATCH] dmaengine: Stricter legacy checking in dma_request_slave_channel_compat()

2015-08-19 Thread Vinod Koul
On Mon, Aug 17, 2015 at 03:08:55PM +0200, Geert Uytterhoeven wrote: > dma_request_slave_channel_compat() is meant for drivers that support > both DT and legacy platform device based probing: if DT channel DMA > setup fails, it will fall back to platform data based DMA channel setup, > using hardcod

Re: [PATCH v1 1/4] dmaengine: Add support for new feature CRC32C

2015-08-19 Thread Rameshwar Sahu
Hi Vinod, On Thu, Aug 20, 2015 at 10:56 AM, Vinod Koul wrote: > On Thu, Jul 30, 2015 at 05:41:05PM +0530, Rameshwar Prasad Sahu wrote: >> This patch adds support for new feature CRC32C calculation in >> dmaengine framework. > > Looks okay can you please update Documentation also Thanks, I will u

Re: [PATCH V3] thermal: cpu_cooling: Add MAINTAINERS entry

2015-08-19 Thread Javi Merino
On Thu, Aug 20, 2015 at 04:10:39AM +0100, Viresh Kumar wrote: > On 20-08-15, 05:01, Daniel Lezcano wrote: > > On 08/20/2015 04:40 AM, Viresh Kumar wrote: > > >None of the patches are reaching Viresh or Daniel directly as > > >get_maintainers doesn't report us as maintainers. Looks like file header

[PATCH] phy: rcar-gen3-usb2: Add R-Car Gen3 USB2 PHY driver

2015-08-19 Thread Yoshihiro Shimoda
This patch adds support for R-Car generation 3 USB2 PHY driver. This SoC has 3 EHCI/OHCI channels, and the channel 0 is shared with the HSUSB (USB2.0 peripheral) device. So, the purpose of this driver is: 1) initializes some registers of SoC specific to use the {ehci,ohci}-platform driver.

Re: [PATCH] dmaengine: xgene-dma: Add ACPI support for X-Gene DMA engine driver

2015-08-19 Thread Vinod Koul
On Tue, Jul 21, 2015 at 06:44:39PM +0530, Rameshwar Prasad Sahu wrote: > This patch adds ACPI support for the APM X-Gene DMA engine driver. Applied, thanks -- ~Vinod -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org

Re: [PATCH v3 0/14] Add Analogix Core Display Port Driver

2015-08-19 Thread Yakir Yang
Hi Jingoo & Archit, On 08/20/2015 12:54 AM, Jingoo Han wrote: On 2015. 8. 20., at PM 1:29, Archit Taneja wrote: Hi, On 08/19/2015 08:18 PM, Yakir Yang wrote: Hi all, The Samsung Exynos eDP controller and Rockchip RK3288 eDP controller share the same IP, so a lot of parts can be re-used

Re: [PATCH v4 1/2] Documentation: dt: Add Xilinx zynqmp dma device tree binding documentation

2015-08-19 Thread Michal Simek
On 08/20/2015 08:18 AM, Vinod Koul wrote: > On Thu, Aug 20, 2015 at 11:41:33AM +0530, punnaiah choudary kalluri wrote: +- interrupts: Should contain DMA channel interrupt >>> channel interrupt or interrupts, former says it is plural >> >> ZynqMP DMA has single interrupt for each channel So, th

Re: linux-next: Tree for Aug 12 (include/linux/pci.h)

2015-08-19 Thread Stephen Rothwell
Hi Bjorn, On Wed, 19 Aug 2015 23:16:06 -0700 Bjorn Helgaas wrote: > > [+cc Yann, linux-kbuild] > > On Wed, Aug 12, 2015 at 3:58 PM, Tadeusz Struk > wrote: > > On 08/12/2015 02:53 PM, Stephen Rothwell wrote: > >> On Wed, 12 Aug 2015 11:05:36 -0700 Randy Dunlap > >> wrote: > >>> > > >>> > on i

Re: [Patch v2] x86, ACPI, irq: Add a quirk to override SCI polarity for HyperV

2015-08-19 Thread Jiang Liu
On 2015/8/19 16:40, Thomas Gleixner wrote: > On Wed, 19 Aug 2015, Thomas Gleixner wrote: >> On Wed, 19 Aug 2015, Jiang Liu wrote: >>> On 2015/8/19 14:45, Rafael J. Wysocki wrote: Well, the regression at hand has just shown that the assertion in the changelog of that commit ("no need for f

Re: linux-next: Tree for Aug 12 (include/linux/pci.h)

2015-08-19 Thread Bjorn Helgaas
[+cc Yann, linux-kbuild] On Wed, Aug 12, 2015 at 3:58 PM, Tadeusz Struk wrote: > On 08/12/2015 02:53 PM, Stephen Rothwell wrote: >> On Wed, 12 Aug 2015 11:05:36 -0700 Randy Dunlap >> wrote: >>> > >>> > on i386 or x86_64: >>> > >>> > Many (repeated) errors like this one: >>> > >>> > ../include/l

Re: [PATCH v4 1/2] Documentation: dt: Add Xilinx zynqmp dma device tree binding documentation

2015-08-19 Thread Vinod Koul
On Thu, Aug 20, 2015 at 11:41:33AM +0530, punnaiah choudary kalluri wrote: > >> +- interrupts: Should contain DMA channel interrupt > > channel interrupt or interrupts, former says it is plural > > ZynqMP DMA has single interrupt for each channel So, that is the reason > i have explicitly mentione

Re: [PATCH block/for-linus] writeback: fix syncing of I_DIRTY_TIME inodes

2015-08-19 Thread Eryu Guan
On Wed, Aug 19, 2015 at 07:56:11AM +1000, Dave Chinner wrote: > On Tue, Aug 18, 2015 at 12:54:39PM -0700, Tejun Heo wrote: > > Hello, > > > > On Tue, Aug 18, 2015 at 10:47:18AM -0700, Tejun Heo wrote: > > > Hmm... the only possibility I can think of is tot_write_bandwidth > > > being zero when it

Re: [PATCH v3 4/5] sched: sync a se with its cfs_rq when switching sched class to fair class

2015-08-19 Thread Byungchul Park
On Thu, Aug 20, 2015 at 04:11:06AM +0800, Yuyang Du wrote: > On Wed, Aug 19, 2015 at 07:12:41PM +0200, Peter Zijlstra wrote: > > On Wed, Aug 19, 2015 at 03:47:15PM +0900, byungchul.p...@lge.com wrote: > > > diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c > > > index 1be042a..3419f6c 100644 >

Re: [PATCH v4 1/2] Documentation: dt: Add Xilinx zynqmp dma device tree binding documentation

2015-08-19 Thread punnaiah choudary kalluri
On Thu, Aug 20, 2015 at 11:22 AM, Vinod Koul wrote: > On Thu, Aug 06, 2015 at 08:49:32AM +0530, Punnaiah Choudary Kalluri wrote: >> Device-tree binding documentation for Xilinx zynqmp dma engine used in >> Zynq UltraScale+ MPSoC. >> >> Signed-off-by: Punnaiah Choudary Kalluri >> --- >> Changes in

Re: [PATCH v3 12/14] drm: bridge/analogix_dp: expand the delay time for hpd detect

2015-08-19 Thread Jingoo Han
On 2015. 8. 19., at PM 11:52, Yakir Yang wrote: > > Some edp screen with no hpd signal would need some delay time > to ensure that screen would be ready for work, so we can expand > the delay time in hpd detect function, it works prefectly on my > rk3288 sdk board. Then, this delay has a depende

Re: [PATCH v4 2/2] dma: Add Xilinx zynqmp dma engine driver support

2015-08-19 Thread Vinod Koul
On Thu, Aug 06, 2015 at 08:49:33AM +0530, Punnaiah Choudary Kalluri wrote: > + list_for_each_entry_safe(desc, next, &chan->done_list, node) { > + dma_async_tx_callback callback; > + void *callback_param; > + > + list_del(&desc->node); > + > + cal

RE: [RESEND PATCH] dmaengine: Add Xilinx AXI Direct Memory Access Engine driver support

2015-08-19 Thread Appana Durga Kedareswara Rao
Hi Moritz Fischer, Thanks for reviewing the patch. > -Original Message- > From: Moritz Fischer [mailto:moritz.fisc...@ettus.com] > Sent: Thursday, August 20, 2015 3:21 AM > To: Appana Durga Kedareswara Rao > Cc: vinod.k...@intel.com; dan.j.willi...@intel.com; Michal Simek; Soren >

Re: Exporting obscene amounts of data in rtnl_link_ops->fill_info()

2015-08-19 Thread Scott Feldman
On Wed, Aug 19, 2015 at 5:47 PM, Jason A. Donenfeld wrote: > Hi guys, > > I have a new link driver that registers a rtnl_link_ops. For many > things, the rtnl interfaces are perfectly suited: I can use netlink in > userspace to check out packet counts, adjust interface parameters, and > all sorts

Re: [PATCH] Memory hot added,The memory can not been added to movable zone

2015-08-19 Thread Changsheng Liu
Hi Andrew Morton: First, thanks very much for your review, I will update codes according to your suggestion After the system startup, we hot added one memory. After some time we wanted to hot remove the memroy that was hot added, but we could not offline some memory blocks successfully

Re: [PATCH v3 0/14] Add Analogix Core Display Port Driver

2015-08-19 Thread Jingoo Han
On 2015. 8. 20., at PM 1:29, Archit Taneja wrote: > > Hi, > >> On 08/19/2015 08:18 PM, Yakir Yang wrote: >> >> Hi all, >>The Samsung Exynos eDP controller and Rockchip RK3288 eDP controller >> share the same IP, so a lot of parts can be re-used. I split the common >> code into bridge direct

Re: [PATCH 1/2] regulator: pbias: use untranslated address to program pbias regulator

2015-08-19 Thread Kishon Vijay Abraham I
Hi Mark Brown, On Wednesday 19 August 2015 11:41 PM, Mark Brown wrote: > On Tue, Aug 18, 2015 at 11:23:54AM +0530, Kishon Vijay Abraham I wrote: >> On Friday 14 August 2015 11:30 PM, Mark Brown wrote: >>> On Mon, Jul 27, 2015 at 04:54:09PM +0530, Kishon Vijay Abraham I wrote: > is moved as a

Re: [PATCH v4 1/2] Documentation: dt: Add Xilinx zynqmp dma device tree binding documentation

2015-08-19 Thread Vinod Koul
On Thu, Aug 06, 2015 at 08:49:32AM +0530, Punnaiah Choudary Kalluri wrote: > Device-tree binding documentation for Xilinx zynqmp dma engine used in > Zynq UltraScale+ MPSoC. > > Signed-off-by: Punnaiah Choudary Kalluri > --- > Changes in v4: > - None > Changes in v3: > - None > Changes in v2: > -

Re: [PATCH v2 2/3] mailbox: Hi6220: add mailbox driver

2015-08-19 Thread YiPing Xu
On 2015/8/20 10:53, Leo Yan wrote: Add driver for Hi6220 mailbox, the mailbox communicates with MCU; for sending data, it can support two methods for low level implementation: one is to use interrupt as acknowledge, another is automatic mode which without any acknowledge. These two methods have b

Re: [PATCH v1 3/4] Crypto: Add support for APM X-Gene SoC CRC32C h/w accelerator driver

2015-08-19 Thread Vinod Koul
On Thu, Jul 30, 2015 at 05:41:07PM +0530, Rameshwar Prasad Sahu wrote: > + nents = sg_nents(req->src); > + sg_count = dma_map_sg(dev, req->src, nents, DMA_TO_DEVICE); > + if (!sg_count) { > + dev_err(dev, "Failed to map src sg"); > + return -ENOMEM; mapping error

RE: [RESEND PATCH] dmaengine: Add Xilinx AXI Direct Memory Access Engine driver support

2015-08-19 Thread Appana Durga Kedareswara Rao
Hi Moritz Fischer, Thanks for reviewing the patch. > -Original Message- > From: Moritz Fischer [mailto:moritz.fisc...@ettus.com] > Sent: Thursday, August 20, 2015 3:21 AM > To: Appana Durga Kedareswara Rao > Cc: vinod.k...@intel.com; dan.j.willi...@intel.com; Michal Simek; Soren >

Re: [PATCH v1 2/4] dmaengine: xgene-dma: Add support for CRC32C calculation via DMA engine

2015-08-19 Thread Vinod Koul
On Thu, Jul 30, 2015 at 05:41:06PM +0530, Rameshwar Prasad Sahu wrote: > + /* Invalidate unused source address field */ > + for (; i < 4; i++) > + xgene_dma_invalidate_buffer(xgene_dma_lookup_ext8(desc2, i)); > + > + /* Check whether requested buffer processed */ > + if

RE: [PATCH 3/8][v3]usb:fsl:otg: Add support to add/remove usb host driver

2015-08-19 Thread Ramneek Mehresh
> -Original Message- > From: Alan Stern [mailto:st...@rowland.harvard.edu] > Sent: Friday, August 14, 2015 12:17 AM > To: Mehresh Ramneek-B31383 > Cc: linux-kernel@vger.kernel.org; ba...@ti.com; > gre...@linuxfoundation.org; linux-...@vger.kernel.org; Li Yang-Leo-R58472 > > Subject: Re:

[lkp] [auxdisplay] 4edd70c133f: BUG: unable to handle kernel

2015-08-19 Thread kernel test robot
FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master commit 4edd70c133f3921c594883d8f9da31a7261f8b4f ("auxdisplay: ks0108: use new parport device model") +--+++ |

Re: 0be964be0 "module: Sanitize RCU usage and locking" breaks symbol_put_addr?

2015-08-19 Thread Rusty Russell
Peter Zijlstra writes: > On Wed, Aug 19, 2015 at 06:19:43AM +0930, Rusty Russell wrote: >> Indeed! That comment is wrong, and your fix is good. >> >> Care to S-O-B on it? > > Of course, here goes. Thanks! This is an ancient bug (2009) which your extra assertions caught. It's unlikely to have

[lkp] [x86/entry/64] fa58aafc448: 10.8% aim7.jobs-per-min

2015-08-19 Thread kernel test robot
FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/luto/linux.git x86/entry commit fa58aafc44805ac425d17c6a8082513b5442ce9d ("x86/entry/64: When returning via SYSRET, POP regs instead of using MOV")

linux-next: manual merge of the tip tree with the s390 tree

2015-08-19 Thread Stephen Rothwell
Hi all, Today's linux-next merge of the tip tree got a conflict in: arch/s390/lib/uaccess.c between commit: cabc4abe8e36 ("s390/uaccess: remove uaccess_primary kernel parameter") from the s390 tree and commit: ed79e946732e ("s390/uaccess, locking/static_keys: employ static_branch_likel

Re: un4i-ss-cipher.c warning

2015-08-19 Thread Herbert Xu
On Wed, Aug 19, 2015 at 04:35:36PM +0200, Michal Suchanek wrote: > Hello, > > when building a kernel with sunxi crypto driver as merged into the > sinxi-wip branch I get a compiler warning. > > I am not sure this is the latest version of the driver. It does not > seem to be in mainline yet. The

Re: [PATCH v3 0/5] sync a se with its cfs_rq when att(det)aching it

2015-08-19 Thread Byungchul Park
On Thu, Aug 20, 2015 at 03:17:21AM +0200, Peter Zijlstra wrote: > > I did something like this on top.. please have a look at the XXX and > integrate. yes, i will do it. > > --- > > --- a/kernel/sched/fair.c > +++ b/kernel/sched/fair.c > @@ -2664,8 +2664,8 @@ static inline u64 cfs_rq_clock_task

Re: [PATCH v3 4/5] sched: sync a se with its cfs_rq when switching sched class to fair class

2015-08-19 Thread Byungchul Park
On Wed, Aug 19, 2015 at 07:12:41PM +0200, Peter Zijlstra wrote: > On Wed, Aug 19, 2015 at 03:47:15PM +0900, byungchul.p...@lge.com wrote: > > diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c > > index 1be042a..3419f6c 100644 > > --- a/kernel/sched/fair.c > > +++ b/kernel/sched/fair.c > > @@ -

Re: [PATCH v1 1/4] dmaengine: Add support for new feature CRC32C

2015-08-19 Thread Vinod Koul
On Thu, Jul 30, 2015 at 05:41:05PM +0530, Rameshwar Prasad Sahu wrote: > This patch adds support for new feature CRC32C calculation in > dmaengine framework. Looks okay can you please update Documentation also -- ~Vinod -- To unsubscribe from this list: send the line "unsubscribe linux-kernel"

Re: [PATCH v2 0/3] SysFS driver for QEMU fw_cfg device

2015-08-19 Thread Ard Biesheuvel
On 19 August 2015 at 22:49, Gabriel L. Somlo wrote: > Hi Ard, > > On Wed, Aug 19, 2015 at 11:42:02AM +0200, Ard Biesheuvel wrote: >> (missed some cc's) >> >> On 19 August 2015 at 11:38, Ard Biesheuvel wrote: >> > From: "Gabriel L. Somlo" >> >> Several different architectures supported by QEMU ar

Re: [PATCH char-misc-next 11/19] dma: Add support to program MIC x100 status descriptiors

2015-08-19 Thread Vinod Koul
On Mon, Jul 27, 2015 at 04:58:17PM -0700, Ashutosh Dixit wrote: > +/* Program a status descriptor with phys as address and value to be written > */ > +static int mic_dma_do_status_update(struct mic_dma_chan *ch, dma_addr_t phys, > + u64 value) > +{ > + int ret =

Re: linux-next: build failure after merge of the net-next tree

2015-08-19 Thread David Miller
From: Stephen Rothwell Date: Thu, 20 Aug 2015 12:57:34 +1000 > After merging the net-next tree, today's linux-next build (arm > multi_v7_defconfig) failed like this: > > net/ipv4/fib_semantics.c: In function 'fib_encap_match': > net/ipv4/fib_semantics.c:553:3: error: implicit declaration of func

Re: [PATCH v8] dma: sun4i: Add support for the DMA engine on sun[457]i SoCs

2015-08-19 Thread Vinod Koul
On Sun, Jul 26, 2015 at 10:50:55PM +0200, Maxime Ripard wrote: > From: Emilio López > > This patch adds support for the DMA engine present on Allwinner A10, > A13, A10S and A20 SoCs. This engine has two kinds of channels: normal > and dedicated. The main difference is in the mode of operation; >

[v2 4/5] NET: nps_enet: TX done acknowledge.

2015-08-19 Thread Noam Camus
From: Noam Camus This is needed for when TX done interrupt is in "level mode". For example it is true for some simulators of this device. Signed-off-by: Noam Camus --- drivers/net/ethernet/ezchip/nps_enet.c |3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/drivers/net/

[v2 5/5] NET: nps_enet: minor namespace cleanup

2015-08-19 Thread Noam Camus
From: Noam Camus We define buf_int_enable in the minimal namespace it is used. Signed-off-by: Noam Camus --- drivers/net/ethernet/ezchip/nps_enet.c |7 --- 1 files changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/net/ethernet/ezchip/nps_enet.c b/drivers/net/ethernet/ezchi

[v2 3/5] NET: nps_enet: drop control frames

2015-08-19 Thread Noam Camus
From: Noam Camus We set controller to drop control frames and not trying to pass them on. This is only needed for debug reasons. Signed-off-by: Noam Camus --- drivers/net/ethernet/ezchip/nps_enet.c |8 1 files changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/net/ethe

[v2 2/5] NET: nps_enet: TX done race condition

2015-08-19 Thread Noam Camus
From: Noam Camus We need to set tx_skb pointer before send frame. If we receive interrupt before we set pointer we will try to free SKB with wrong pointer. Now we are sure that SKB pointer will never be NULL during handling TX done and check is removed. Signed-off-by: Noam Camus --- drivers/ne

[v2 0/5] *** nps_enet fixups ***

2015-08-19 Thread Noam Camus
From: Noam Camus Change v2 TX done is handled back with NAPI poll. Change v1 This patch set is a bunch of fixes to make nps_enet work correctly with all platforms, i.e. real device, emulation system, and simulation system. The main trigger for this patch set was that in our emulation system the

[v2 1/5] NET: nps_enet: replace use of cause register

2015-08-19 Thread Noam Camus
From: Noam Camus When interrupt is received we read directly from control register for RX/TX instead of reading cause register since this register fails to indicate TX done when TX interrupt is "edge mode". Signed-off-by: Noam Camus --- drivers/net/ethernet/ezchip/nps_enet.c |9 +

[PATCH] sched/idle/x86: add missing trace_cpu_idle to mwait_idle()

2015-08-19 Thread Jisheng Zhang
Commit b253149b843f ("sched/idle/x86: Restore mwait_idle() to fix boot hangs, to improve power savings and to improve performance") restores mwait_idle(), but the trace_cpu_idle related callings are missing, this causes powertop on my old desktop powered by Intel Core2 E6550 reports zero wakeups an

Re: [PATCH v3 08/14] phy: Add driver for rockchip Display Port PHY

2015-08-19 Thread Kishon Vijay Abraham I
Hi, On Wednesday 19 August 2015 08:21 PM, Yakir Yang wrote: > Signed-off-by: Yakir Yang where's the commit message? > --- > Changes in v3: > - Take Heiko suggest, add rockchip dp phy driver, > collect the phy clocks and power control. > > Changes in v2: None > > .../devicetree/bindings/phy/

Re: [PATCH v3 0/14] Add Analogix Core Display Port Driver

2015-08-19 Thread Archit Taneja
Hi, On 08/19/2015 08:18 PM, Yakir Yang wrote: Hi all, The Samsung Exynos eDP controller and Rockchip RK3288 eDP controller share the same IP, so a lot of parts can be re-used. I split the common code into bridge directory, then rk3288 and exynos only need to keep some platform code. Cause I

[PATCH] perf probe: Try to use symbol table if searching debug info failed

2015-08-19 Thread Wang Nan
A problem can occure in statically linked perf when vmlinux can be found: # perf probe --add sys_epoll_pwait probe-definition(0): sys_epoll_pwait symbol:sys_epoll_pwait file:(null) line:0 offset:0 return:0 lazy:(null) 0 arguments Looking at the vmlinux_path (7 entries long) Using /lib/module

Re: [PATCH] powerpc/hvsi: Fix endianness issues in the HVSI driver

2015-08-19 Thread Michael Ellerman
On Thu, 2015-08-20 at 11:40 +1000, Michael Ellerman wrote: > On Wed, 2015-08-19 at 23:53 +0200, Laurent Dufour wrote: > > On 04/08/2015 02:51, Michael Ellerman wrote: > > > On Fri, 2015-07-31 at 11:29 +0200, Laurent Dufour wrote: > > >> This patch fixes several endianness issues detected when runni

Re: [RFC 0/2] drm/dsi: DSI for devices with different control bus

2015-08-19 Thread Archit Taneja
Hi Thierry, Lucas, On 08/19/2015 08:32 PM, Thierry Reding wrote: On Wed, Aug 19, 2015 at 04:52:24PM +0200, Lucas Stach wrote: Am Mittwoch, den 19.08.2015, 16:34 +0200 schrieb Thierry Reding: On Wed, Aug 19, 2015 at 04:17:08PM +0200, Lucas Stach wrote: Hi Thierry, Archit, [...] Perhaps a b

Re: [PATCH] sha: Enable cpuid check for Intel SHA extensions implementations

2015-08-19 Thread Borislav Petkov
On Wed, Aug 19, 2015 at 09:49:58AM -0700, Tim Chen wrote: > On Tue, 2015-08-18 at 18:46 +0200, Thomas Gleixner wrote: > > On Mon, 17 Aug 2015, Tim Chen wrote: > > > Signed-off-by: Chandramouli Narayanan > > > Signed-off-by: Tim Chen > > > > And now the question who authored this complex one line

Re: [PATCH v2] dmaengine: fsl-edma: add PM suspend/resume support

2015-08-19 Thread Vinod Koul
On Mon, Aug 17, 2015 at 02:10:46PM -0500, Li Yang wrote: > >> Think of it from the end user perspective. Would you like your laptop (or > >> whatever) to refuse to suspend because of this condition? The user may well > >> expect that closing the lid on their laptop will reliably lead to it > >> su

Re: [PATCH RESEND 0/2] mtd: nand: pxa3xx-nand: fixes

2015-08-19 Thread Brian Norris
On Wed, Aug 19, 2015 at 06:18:57PM -0300, Ezequiel Garcia wrote: > On 19 August 2015 at 15:30, Robert Jarzmik wrote: > > Hi Brian, > > > > As promised, here are the remaining fixes I have on pxa3xx-nand I'd like > > you to > > queue up. The other changes I have submitted are under review and not

Re: [PATCH v10 03/20] x86/stackvalidate: Compile-time stack validation

2015-08-19 Thread Josh Poimboeuf
On Wed, Aug 19, 2015 at 12:01:38PM +0200, Ingo Molnar wrote: > > * Josh Poimboeuf wrote: > > > On Sat, Aug 15, 2015 at 12:23:54AM -0700, Andrew Morton wrote: > > > On Thu, 13 Aug 2015 22:10:24 -0500 Josh Poimboeuf > > > wrote: > > > > > > > This adds a CONFIG_STACK_VALIDATION option which ena

Re: [PATCH 3/3] sched: Implement interface for cgroup unified hierarchy

2015-08-19 Thread Mike Galbraith
On Wed, 2015-08-19 at 09:41 -0700, Tejun Heo wrote: > Most problems can be solved in different ways and I'm doubtful that > e.g. bouncing jobs to worker threads would be more expensive than > migrating the worker back and forth in a lot of cases. If migrating > threads around floats somebody's bo

Re: [PATCH v3 4/5] sched: sync a se with its cfs_rq when switching sched class to fair class

2015-08-19 Thread Yuyang Du
On Wed, Aug 19, 2015 at 07:12:41PM +0200, Peter Zijlstra wrote: > On Wed, Aug 19, 2015 at 03:47:15PM +0900, byungchul.p...@lge.com wrote: > > diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c > > index 1be042a..3419f6c 100644 > > --- a/kernel/sched/fair.c > > +++ b/kernel/sched/fair.c > > @@ -

Re: [PATCH v3 2/5] KVM: add KVM_REQ_EXIT request for userspace exit

2015-08-19 Thread Wanpeng Li
On 8/14/15 6:08 PM, Radim Krčmář wrote: When userspace wants KVM to exit to userspace, it sends a signal. This has a disadvantage of requiring a change to the signal mask because the signal needs to be blocked in userspace to stay pending when sending to self. Using a request flag allows us to s

Re: [PATCH v2] pinctrl: mediatek: Fix multiple registration issue.

2015-08-19 Thread Axel Lin
2015-08-20 11:38 GMT+08:00 Hongzhou Yang : > Since our common driver need support main chip and PMU > at the same time, that means it will register two > pinctrl device, and the pinctrl_desc structure should > be used two times. > > But pinctrl_desc use global static definition, then > the latest r

[PATCH v2] pinctrl: mediatek: Fix multiple registration issue.

2015-08-19 Thread Hongzhou Yang
Since our common driver need support main chip and PMU at the same time, that means it will register two pinctrl device, and the pinctrl_desc structure should be used two times. But pinctrl_desc use global static definition, then the latest registered pinctrl device will overwrite the old one's, a

Re: [PATCH V3] thermal: cpu_cooling: Add MAINTAINERS entry

2015-08-19 Thread Viresh Kumar
On 20-08-15, 05:01, Daniel Lezcano wrote: > On 08/20/2015 04:40 AM, Viresh Kumar wrote: > >None of the patches are reaching Viresh or Daniel directly as > >get_maintainers doesn't report us as maintainers. Looks like file header > >or history of commits isn't able to do that properly. > > > >Add a

Re: [PATCH 2/2] ubifs: Allow O_DIRECT

2015-08-19 Thread Dongsheng Yang
On 08/20/2015 04:35 AM, Richard Weinberger wrote: Currently UBIFS does not support direct IO, but some applications blindly use the O_DIRECT flag. Instead of failing upon open() we can do better and fall back to buffered IO. H, to be honest, I am not sure we have to do it as Dave suggested.

RE: [PATCH 3/3] mtd: spi-nor: sf: Add clear flag status register support

2015-08-19 Thread Hou Zhiqiang
Hello Jagan, > -Original Message- > From: Jagan Teki [mailto:jt...@openedev.com] > Sent: 2015年8月20日 1:49 > To: Hou Zhiqiang-B48286 > Cc: linux-...@lists.infradead.org; Hu Mingkai-B21284; Brian Norris; David > Woodhouse; linux-kernel@vger.kernel.org > Subject: Re: [PATCH 3/3] mtd: spi-nor:

Re: [PATCH V3] thermal: cpu_cooling: Add MAINTAINERS entry

2015-08-19 Thread Daniel Lezcano
On 08/20/2015 04:40 AM, Viresh Kumar wrote: None of the patches are reaching Viresh or Daniel directly as get_maintainers doesn't report us as maintainers. Looks like file header or history of commits isn't able to do that properly. Add a separate entry for cpu_cooling driver in MAINTAINERS. Ac

linux-next: build failure after merge of the net-next tree

2015-08-19 Thread Stephen Rothwell
Hi all, After merging the net-next tree, today's linux-next build (arm multi_v7_defconfig) failed like this: net/ipv4/fib_semantics.c: In function 'fib_encap_match': net/ipv4/fib_semantics.c:553:3: error: implicit declaration of function 'lwtstate_free' [-Werror=implicit-function-declaration]

[PATCH v2 3/3] arm64: dts: add Hi6220 mailbox node

2015-08-19 Thread Leo Yan
On Hi6220, below memory regions in DDR have specific purpose: 0x05e0, - 0x05ef,: For MCU firmware using at runtime; 0x0740,f000 - 0x0740,: For MCU firmware's section; 0x06df,f000 - 0x06df,: For mailbox message data. This patch reserves these memory regions and add device nod

[PATCH v2 2/3] mailbox: Hi6220: add mailbox driver

2015-08-19 Thread Leo Yan
Add driver for Hi6220 mailbox, the mailbox communicates with MCU; for sending data, it can support two methods for low level implementation: one is to use interrupt as acknowledge, another is automatic mode which without any acknowledge. These two methods have been supported in the driver. For rece

[PATCH v2 0/3] mailbox: hisilicon: add Hi6220 mailbox driver

2015-08-19 Thread Leo Yan
Hi6220 mailbox supports up to 32 channels. Each channel is unidirectional with a maximum message size of 8 words. I/O is performed using register access (there is no DMA) and the cell raises an interrupt when messages are received. This patch series is to implement Hi6220 mailbox driver. It regist

Re: [PATCH 1/2] ubifs: Remove dead xattr code

2015-08-19 Thread Dongsheng Yang
On 08/20/2015 04:35 AM, Richard Weinberger wrote: This is a partial revert of commit d7f0b70d30ffb9bbe6b8a3e1035cf0b79965ef53 ("UBIFS: Add security.* XATTR support for the UBIFS"). Hi Richard, What about a full reverting of this commit. In ubifs, we *can* support any namespace of xattr

[PATCH v2 1/3] dt-bindings: mailbox: Document Hi6220 mailbox driver

2015-08-19 Thread Leo Yan
Document the new compatible for Hisilicon Hi6220 mailbox driver. Signed-off-by: Leo Yan --- .../bindings/mailbox/hisilicon,hi6220-mailbox.txt | 57 ++ 1 file changed, 57 insertions(+) create mode 100644 Documentation/devicetree/bindings/mailbox/hisilicon,hi6220-mailbox.txt

[PATCH V3] thermal: cpu_cooling: Add MAINTAINERS entry

2015-08-19 Thread Viresh Kumar
None of the patches are reaching Viresh or Daniel directly as get_maintainers doesn't report us as maintainers. Looks like file header or history of commits isn't able to do that properly. Add a separate entry for cpu_cooling driver in MAINTAINERS. Acked-by: Eduardo Valentin Acked-by: Amit Danie

RE: [PATCH 0/4] printk: Softlockup avoidance

2015-08-19 Thread KY Srinivasan
> -Original Message- > From: Jan Kara [mailto:j...@suse.com] > Sent: Wednesday, August 19, 2015 8:38 AM > To: Andrew Morton > Cc: LKML ; pmla...@suse.com; > rost...@goodmis.org; Gavin Hu ; KY Srinivasan > ; Jan Kara > Subject: [PATCH 0/4] printk: Softlockup avoidance > > From: Jan Kara

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