Re: [PATCH v3 0/6] Introduce ZONE_CMA

On 2016/6/20 14:48, Joonsoo Kim wrote: > On Fri, Jun 17, 2016 at 03:38:49PM +0800, Chen Feng wrote: >> Hi Kim & feng, >> >> Thanks for the share. In our platform also has the same use case. >> >> We only let the alloc with GFP_HIGHUSER_MOVABLE in memory.c t

[PATCH] staging: ion: remove __GFP_NOWARN when use low order gfp flags

It's useful to show the current memory in detail when alloc failed. And, there may be a lot of high order alloc failed, just show memory when an order 0 alloc failed. Signed-off-by: Chen Feng --- drivers/staging/android/ion/ion_system_heap.c | 2 +- 1 file changed, 1 insertion(+), 1 del

Re: [PATCH] reset: hisilicon: Fix hi6220 module license

10.423784] hi6220_reset: Unknown symbol __platform_driver_register (err > 0) > > Add a MODULE_LICENSE() to fix this. > > Fixes: 70b3590f639f ("reset: hi6220: fix modular build") > Cc: Arnd Bergmann > Cc: Chen Feng > Signed-off-by: Andreas Färber > --- >

Re: [PATCH RFC] random: fix syzkaller fuzzer test int overflow

On 2017/10/24 17:09, Greg KH wrote: > On Tue, Oct 24, 2017 at 03:44:17PM +0800, Chen Feng wrote: >> [pid:11940,cpu6,syz-executor][flp_ioctl]cmd[0x1] >> Restart is not permit >> = >> UBSAN: Undefined behav

Re: [PATCH RFC] random: fix syzkaller fuzzer test int overflow

Hi Ted, On 2017/10/24 18:25, Theodore Ts'o wrote: > On Tue, Oct 24, 2017 at 11:09:27AM +0200, Greg KH wrote: >> On Tue, Oct 24, 2017 at 03:44:17PM +0800, Chen Feng wrote: >>> [pid:11940,cpu6,syz-executor][flp_ioctl]cmd[0x1] &g

Re: [PATCH RFC] random: fix syzkaller fuzzer test int overflow

On 2017/10/25 14:56, Greg KH wrote: > On Wed, Oct 25, 2017 at 02:30:56PM +0800, Chen Feng wrote: >> Hi Ted, >> >> On 2017/10/24 18:25, Theodore Ts'o wrote: >>> On Tue, Oct 24, 2017 at 11:09:27AM +0200, Greg KH wrote: >>>> On Tue, Oct 24, 2017 a

Re: [PATCH RFC] random: fix syzkaller fuzzer test int overflow

On 2017/10/25 16:49, Theodore Ts'o wrote: > Other people who have sent me fuzzer test reproducers are able to > reproduce syzkaller logs into a simple C program. Can you explain to > me what the heck: > >> r3 = syz_open_dev$urandom(&(0x7f00a000)="2f6465762f7572616e646f6d00", >> 0x0, 0x0) >

Re: [PATCH RFC] random: fix syzkaller fuzzer test int overflow

Hi ted, On 2017/10/26 23:04, Theodore Ts'o wrote: > On Thu, Oct 26, 2017 at 04:25:15PM +0800, Chen Feng wrote: >> >> >> On 2017/10/25 16:49, Theodore Ts'o wrote: >>> Other people who have sent me fuzzer test reproducers are able to >>> reproduce

[PATCH 3/3] arm64: dts: Add dts node for hi6220 iommu

Signed-off-by: Chen Feng Signed-off-by: Yu Dongbin --- arch/arm64/boot/dts/hisilicon/hi6220.dtsi | 15 +++ 1 file changed, 15 insertions(+) diff --git a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi index 3f03380..3ef33b4 100644 --- a/arch

[PATCH 1/3] docs: dts: Documentation for smmu in hi6220 SoC.

Documentation for system mmu in hi6220 platform. Signed-off-by: Chen Feng Signed-off-by: Yu Dongbin --- .../bindings/iommu/hisi,hi6220-iommu.txt | 52 ++ 1 file changed, 52 insertions(+) create mode 100644 Documentation/devicetree/bindings/iommu/hisi,hi6220

[PATCH 2/3] staging: android: ion: Add ion driver for Hi6220 SoC platform

Signed-off-by: Chen Feng Signed-off-by: Yu Dongbin --- drivers/staging/android/ion/Kconfig| 7 + drivers/staging/android/ion/Makefile | 1 + drivers/staging/android/ion/hisilicon/Kconfig | 5 + drivers/staging/android/ion/hisilicon/Makefile | 1

[PATCH 1/3] docs: dts: Add documentation for hi6220 SoC ION node

Documentation for hi6220 SoC ION node Signed-off-by: Chen Feng Signed-off-by: Yu Dongbin --- .../devicetree/bindings/staging/ion/hi6220-ion.txt | 27 ++ 1 file changed, 27 insertions(+) create mode 100644 Documentation/devicetree/bindings/staging/ion/hi6220-ion.txt diff

[PATCH 3/3] arm64: dts: Add dts files to enable ION on Hi6220 SoC.

Add ION node to enable ION on hi6220 SoC platform Signed-off-by: Chen Feng Signed-off-by: Yu Dongbin --- arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts | 1 + arch/arm64/boot/dts/hisilicon/hi6220-ion.dtsi | 23 +++ 2 files changed, 24 insertions(+) create mode 100644

[PATCH 2/3] iommu/hisilicon: Add hi6220 iommu driver

Enable iommu on hi6220 SoC platform. Signed-off-by: Chen Feng Signed-off-by: Yu Dongbin --- drivers/iommu/Kconfig| 8 + drivers/iommu/Makefile | 1 + drivers/iommu/hi6220_iommu.c | 503 +++ 3 files changed, 512 insertions(+) create

[PATCH V2 2/3] Add iommu driver for hi6220 SoC platform

iommu/hisilicon: Add hi6220-SoC smmu driver Signed-off-by: Chen Feng Signed-off-by: Yu Dongbin --- drivers/iommu/Kconfig| 8 + drivers/iommu/Makefile | 1 + drivers/iommu/hi6220_iommu.c | 482 +++ 3 files changed, 491 insertions

[PATCH V2 3/3] Add dts node for smmu on hi6220 SoC

arm64: dts: Add dts node for hi6220 smmu driver Signed-off-by: Chen Feng Signed-off-by: Yu Dongbin --- arch/arm64/boot/dts/hisilicon/hi6220.dtsi | 15 +++ 1 file changed, 15 insertions(+) diff --git a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi b/arch/arm64/boot/dts/hisilicon

[PATCH V2 1/3] Documentation for system mmu in hi6220 platform.

docs: iommu: Documentation for smmu in hi6220 SoC. Signed-off-by: Chen Feng Signed-off-by: Yu Dongbin --- .../bindings/iommu/hisi,hi6220-iommu.txt | 52 ++ 1 file changed, 52 insertions(+) create mode 100644 Documentation/devicetree/bindings/iommu/hisi,hi6220

[PATCH 3/3] Add iommu node for hi6220 SoC platform

arm64: dts: Add dts node for hi6220 smmu driver Signed-off-by: Chen Feng Signed-off-by: Yu Dongbin --- arch/arm64/boot/dts/hisilicon/hi6220.dtsi | 13 + 1 file changed, 13 insertions(+) diff --git a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi b/arch/arm64/boot/dts/hisilicon/hi6220

[PATCH 2/3] Add iommu driver for hi6220 SoC platform

iommu/hisilicon: Add hi6220-SoC smmu driver The smmu on hi6220 SoC is for media system.And the media IP use the same page-table. It supports only one-to-one mapping from iova to phys address. Signed-off-by: Chen Feng Signed-off-by: Yu Dongbin --- drivers/iommu/Kconfig| 11 + drivers

[PATCH 1/3] bindings for hisilicon hi6220 iommu driver

docs: iommu: Documentation for iommu in hi6220 SoC. Signed-off-by: Chen Feng Signed-off-by: Yu Dongbin --- .../bindings/iommu/hisi,hi6220-iommu.txt | 56 ++ 1 file changed, 56 insertions(+) create mode 100644 Documentation/devicetree/bindings/iommu/hisi,hi6220

[PATCH V3 RESEND 1/3] bindings for hisilicon hi6220 iommu driver

docs: iommu: Documentation for iommu in hi6220 SoC. Signed-off-by: Chen Feng Signed-off-by: Yu Dongbin --- .../bindings/iommu/hisi,hi6220-iommu.txt | 56 ++ 1 file changed, 56 insertions(+) create mode 100644 Documentation/devicetree/bindings/iommu/hisi,hi6220

[PATCH V3 RESEND 3/3] Add iommu node for hi6220 SoC platform

arm64: dts: Add dts node for hi6220 smmu driver Signed-off-by: Chen Feng Signed-off-by: Yu Dongbin --- arch/arm64/boot/dts/hisilicon/hi6220.dtsi | 13 + 1 file changed, 13 insertions(+) diff --git a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi b/arch/arm64/boot/dts/hisilicon/hi6220

[PATCH V3 RESEND 2/3] Add iommu driver for hi6220 SoC platform

iommu/hisilicon: Add hi6220-SoC smmu driver The smmu on hi6220 SoC is for media system.And the media IP use the same page-table. It supports only one-to-one mapping from iova to phys address. Signed-off-by: Chen Feng Signed-off-by: Yu Dongbin --- drivers/iommu/Kconfig| 11 + drivers

[PATCH V5 Base on RC7 2/3] Add reset controller for hi6220 SoC platform.

reset: add driver for hi6220 reset controller Signed-off-by: Chen Feng --- drivers/reset/Kconfig | 1 + drivers/reset/Makefile | 1 + drivers/reset/hisilicon/Kconfig| 5 ++ drivers/reset/hisilicon/Makefile

[PATCH V5 Base on RC7 3/3] Add reset controller for hi6220 SoC platform.

reset: add driver for hi6220 reset controller Signed-off-by: Chen Feng --- arch/arm64/boot/dts/hisilicon/hi6220.dtsi | 7 +++ 1 file changed, 7 insertions(+) diff --git a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi index 3f03380..3f055e2 100644

[PATCH V5 Base on RC7 1/3] Add DT bindings documentation for hi6220 SoC reset controller.

docs: dts: Added documentation for hi6220 Reset Controller Signed-off-by: Chen Feng --- .../bindings/reset/hisilicon,hi6220-reset.txt | 32 ++ 1 file changed, 32 insertions(+) create mode 100644 Documentation/devicetree/bindings/reset/hisilicon,hi6220-reset.txt diff

Re: [Linaro-mm-sig] [PATCH v3] staging: android: ion: Zero CMA allocated memory

On 2018/1/27 1:48, Liam Mark wrote: > Since commit 204f672255c2 ("staging: android: ion: Use CMA APIs directly") > the CMA API is now used directly and therefore the allocated memory is no > longer automatically zeroed. > > Explicitly zero CMA allocated memory to ensure that no data is exposed t

Re: [PATCH] ION: Sys_heap: fix the incorrect pool->gfp_mask setting

On 2018/1/9 18:43, Zeng Tao wrote: > This issue is introduced by the commit ("ION: Sys_heap: > Add cached pool to spead up cached buffer alloc"), the gfp_mask low > order pool is overlapped by the high order inside the loop, so the > gfp_mask of all pools are set to high_order_gfp_flags. > Tha

Re: [PATCH] ION: Sys_heap: Makes ion buffer always alloc from page pool

On 2016/5/6 1:09, Laura Abbott wrote: > On 05/04/2016 08:27 PM, Chen Feng wrote: >> Makes the ion buffer always alloced from page pool, no matter >> it's cached or not. In this way, it can improve the efficiency >> of it. >> >> Currently, there is no diffe

[PATCH] ION: Sys_heap: Add cached pool to spead up cached buffer alloc

Add ion cached pool in system heap. Signed-off-by: Chen Feng Signed-off-by: Xia Qing --- drivers/staging/android/ion/ion_system_heap.c | 120 +- 1 file changed, 79 insertions(+), 41 deletions(-) diff --git a/drivers/staging/android/ion/ion_system_heap.c b/drivers

Re: [PATCH] ION: Sys_heap: Add cached pool to spead up cached buffer alloc

Sorry,the order here is not right, please ignore this patch. I will RESEND it. On 2016/5/9 14:24, Chen Feng wrote: > Add ion cached pool in system heap. > > Signed-off-by: Chen Feng > Signed-off-by: Xia Qing > --- > drivers/staging/android/ion/ion_s

[RESEND PATCH] ION: Sys_heap: Add cached pool to spead up cached buffer alloc

Add ion cached pool in system heap. Signed-off-by: Chen Feng Signed-off-by: Xia Qing Reviewed-by: Fu Jun --- drivers/staging/android/ion/ion_system_heap.c | 145 +- 1 file changed, 95 insertions(+), 50 deletions(-) diff --git a/drivers/staging/android/ion

[PATCH v1] ION: Sys_heap: Add cached pool to spead up cached buffer alloc

Add ion cached pool in system heap. This patch add a cached pool in system heap. It has a great improvement of alloc for cached buffer. v1: Makes the cached buffer zeroed before going to pool Signed-off-by: Chen Feng Signed-off-by: Xia Qing Reviewed-by: Fu Jun --- drivers/staging/android

Re: [RESEND PATCH] ION: Sys_heap: Add cached pool to spead up cached buffer alloc

Hi Greg, Please see my v1 version for detail. Thank you. On 2016年05月09日 17:02, Greg KH wrote: > On Mon, May 09, 2016 at 04:37:34PM +0800, Chen Feng wrote: >> Add ion cached pool in system heap. >> >> Signed-off-by: Chen Feng >> Signed-off-by: Xia Q

Re: [RESEND PATCH] ION: Sys_heap: Add cached pool to spead up cached buffer alloc

Hi Laura, On 2016/5/10 7:50, Laura Abbott wrote: > On 05/09/2016 01:37 AM, Chen Feng wrote: >> Add ion cached pool in system heap. >> >> Signed-off-by: Chen Feng >> Signed-off-by: Xia Qing >> Reviewed-by: Fu Jun >> --- >> driver

[PATCH] ION: Sys_heap: Makes ion buffer always alloc from page pool

Makes the ion buffer always alloced from page pool, no matter it's cached or not. In this way, it can improve the efficiency of it. Currently, there is no difference from cached or non-cached buffer for the page pool. Signed-off-by: Chen Feng --- drivers/staging/android/ion/ion_system_h

Re: [PATCH v1] ION: Sys_heap: Add cached pool to spead up cached buffer alloc

On 2016/5/11 6:48, Laura Abbott wrote: > On 05/09/2016 04:35 AM, Chen Feng wrote: >> Add ion cached pool in system heap. This patch add a cached pool >> in system heap. It has a great improvement of alloc for cached >> buffer. >> > > Can you give some benchmark

[PATCH] mm: compact: remove watermark check at compact suitable

There are two paths calling this function. For direct compact, there is no need to check the zone watermark here. For kswapd wakeup kcompactd, since there is a reclaim before this. It makes sense to do compact even the watermark is ok at this time. Signed-off-by: Chen Feng --- mm/compaction.c

[PATCH v2] ION: Sys_heap: Add cached pool to spead up cached buffer alloc

uffer zeroed before going to pool v2: Add cached param in pool to distinguish wheather need to flush cache at a fresh alloc. Rework the shrink function. Signed-off-by: Chen Feng Signed-off-by: Xia Qing Reviewed-by: Fu Jun --- drivers/staging/android/ion/ion_page_pool.c | 10 +- dr

[PATCH] mm: compact: fix zoneindex in compact

While testing the kcompactd in my platform 3G MEM only DMA ZONE. I found the kcompactd never wakeup. It seems the zoneindex has already minus 1 before. So the traverse here should be <=. Signed-off-by: Chen Feng --- mm/compaction.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) d

Re: [PATCH] mm: compact: fix zoneindex in compact

On 2016/5/20 1:45, Vlastimil Babka wrote: > On 19.5.2016 19:23, Hugh Dickins wrote: >> On Thu, 19 May 2016, Vlastimil Babka wrote: >>> On 05/19/2016 02:11 PM, Vlastimil Babka wrote: >>>> On 05/19/2016 01:58 PM, Chen Feng wrote: >>>>> While testing

Re: [PATCH] mm: compact: fix zoneindex in compact

On 2016/5/20 1:45, Vlastimil Babka wrote: > On 19.5.2016 19:23, Hugh Dickins wrote: >> On Thu, 19 May 2016, Vlastimil Babka wrote: >>> On 05/19/2016 02:11 PM, Vlastimil Babka wrote: >>>> On 05/19/2016 01:58 PM, Chen Feng wrote: >>>>> While testing

Re: [PATCH v3 5/6] mm/cma: remove MIGRATE_CMA

Hi Joonsoo, On 2016/5/26 14:22, js1...@gmail.com wrote: > From: Joonsoo Kim > > Now, all reserved pages for CMA region are belong to the ZONE_CMA > and there is no other type of pages. Therefore, we don't need to > use MIGRATE_CMA to distinguish and handle differently for CMA pages > and ordinar

[PATCH] firmware: Change the page arrary alloc to vmalloc

No need to use use continuous memory, it may be fail when memory deeply fragmented. Signed-off-by: Chen Feng Signed-off-by: Xia Qing --- drivers/base/firmware_class.c | 9 - 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/drivers/base/firmware_class.c b/drivers/base

[PATCH RESEND] firmware: Change the page arrary alloc to vmalloc

No need to use use continuous memory, it may be fail when memory deeply fragmented. Signed-off-by: Chen Feng Signed-off-by: Xia Qing --- drivers/base/firmware_class.c | 9 - 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/drivers/base/firmware_class.c b/drivers/base

[PATCH V7 1/3] reset: hisilicon: document hisi-hi6220 reset controllers bindings

Add DT bindings documentation for hi6220 SoC reset controller. Signed-off-by: Chen Feng --- .../bindings/reset/hisilicon,hi6220-reset.txt | 34 +++ include/dt-bindings/reset/hisi,hi6220-resets.h | 67 ++ 2 files changed, 101 insertions(+) create mode 100644

[PATCH V7 3/3] arm64: dts: Add reset dts config for Hisilicon Hi6220 SoC

Add reset controller for hi6220 hikey-board. Signed-off-by: Chen Feng --- arch/arm64/boot/dts/hisilicon/hi6220.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi index 82d2488..ad1f1eb 100644 --- a/arch

[PATCH V7 2/3] reset: hi6220: Reset driver for hisilicon hi6220 SoC

Add reset driver for hi6220-hikey board,this driver supply deassert of IP on hi6220 SoC. Signed-off-by: Chen Feng --- drivers/reset/Kconfig | 1 + drivers/reset/Makefile | 1 + drivers/reset/hisilicon/Kconfig| 5 ++ drivers/reset/hisilicon/Makefile

[PATCH V5 RESEND 1/3] docs: iommu: Documentation for iommu in hi6220 SoC

Documentation for hi6220 iommu driver. Signed-off-by: Chen Feng --- .../bindings/iommu/hisi,hi6220-iommu.txt | 32 ++ 1 file changed, 32 insertions(+) create mode 100644 Documentation/devicetree/bindings/iommu/hisi,hi6220-iommu.txt diff --git a/Documentation

[PATCH V5 RESEND 0/3] Add iommu support for hi6220 HiKey board

->archdata.iommu; struct iova * t_iova = alloc_iova(iovad, size, limit_pfn, align); iommu_map(domain, t_iova->pfn_lo << 12, phy_addr, size, port); The patch sets are based on 4.4-RC1 V2: Fix tlb flush when unmap V3: Fix format issue and iova address range V5: Add cover-letter and resend to dt ma

[PATCH V5 RESEND 2/3] iommu/hisilicon: Add hi6220-SoC smmu driver

Add iommu driver for hi6220 SoC platform.The smmu on hi6220 SoC is for media system.And the media IP use the same page-table. It supports only one-to-one mapping from iova to phys address. Signed-off-by: Chen Feng --- drivers/iommu/Kconfig| 11 + drivers/iommu/Makefile | 1

[PATCH V5 RESEND 3/3] arm64: dts: Add dts node for hi6220 smmu driver

Add iommu node for hi6220 SoC platform Signed-off-by: Chen Feng --- arch/arm64/boot/dts/hisilicon/hi6220.dtsi | 13 + 1 file changed, 13 insertions(+) diff --git a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi index 82d2488..589424a 100644

[PATCH v3 4/5] regulator: add regulator driver of hi655x PMIC

Add driver support for HiSilicon Hi655x voltage regulators. Signed-off-by: Chen Feng Signed-off-by: Fei Wang Tested-by: Xinwei Kong --- drivers/regulator/Kconfig | 8 + drivers/regulator/Makefile | 1 + drivers/regulator/hi655x-regulator.c | 246

[PATCH v3 0/5] Add Support for Hi6220 PMIC Hi6553 MFD Core

| ||-| | ||(REGMAP_MMIO)| | ++ +-+ V2: Code refactoring of regulator V3: Drop mtcmos from this patch and use regmap-irq The patch sets are based on 4.4-rc5. Chen Feng (5): doc: bindings: Add

[PATCH v3 5/5] hisilicon/dts: Add hi655x pmic dts node

Add dts node for hi665x MFD and regulator driver Signed-off-by: Chen Feng Signed-off-by: Fei Wang Tested-by: Xinwei Kong --- arch/arm64/boot/dts/hisilicon/hi6220.dtsi | 178 ++ 1 file changed, 178 insertions(+) diff --git a/arch/arm64/boot/dts/hisilicon/hi6220

[PATCH v3 1/5] doc: bindings: Add document for mfd hi665x PMIC

Add document for mfd driver hi655x pmic driver Signed-off-by: Chen Feng Signed-off-by: Fei Wang Tested-by: Xinwei Kong --- .../devicetree/bindings/mfd/hisilicon,hi655x.txt| 17 + 1 file changed, 17 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd

[PATCH v3 3/5] mfd: hi655x: Add hi665x pmic driver

Add mfd driver to support hisilicon hi665x PMIC. Signed-off-by: Chen Feng Signed-off-by: Fei Wang Tested-by: Xinwei Kong --- drivers/mfd/Kconfig | 9 +++ drivers/mfd/Makefile| 1 + drivers/mfd/hi655x-pmic.c | 170

[PATCH v3 2/5] doc: bindings: Document for hi655x regulator driver

Add Document for hi655x pmic regulator driver Signed-off-by: Chen Feng Signed-off-by: Fei Wang Tested-by: Xinwei Kong --- .../regulator/hisilicon,hi655x-regulator.txt | 43 ++ 1 file changed, 43 insertions(+) create mode 100644 Documentation/devicetree/bindings

[PATCH 1/3] arm64: dts: Add reset dts config for Hisilicon Hi6220 SoC

Add reset controller for hi6220 hikey-board. Signed-off-by: Chen Feng --- arch/arm64/boot/dts/hisilicon/hi6220.dtsi | 7 +++ 1 file changed, 7 insertions(+) diff --git a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi index 3f03380..09bb9d1 100644

[PATCH 2/3] reset: hisilicon: document hisi-hi6220 reset controllers bindings

Add DT bindings documentation for hi6220 SoC reset controller. Signed-off-by: Chen Feng --- .../bindings/reset/hisilicon,hi6220-reset.txt | 97 ++ arch/arm64/boot/dts/hisilicon/hi6220.dtsi | 2 +- 2 files changed, 98 insertions(+), 1 deletion(-) create mode

[PATCH 3/3] reset: hi6220: Reset driver for hisilicon hi6220 SoC

Add reset driver for hi6220-hikey board,this driver supply deassert of IP. on hi6220 SoC. Signed-off-by: Chen Feng --- drivers/reset/Kconfig | 1 + drivers/reset/Makefile | 1 + drivers/reset/hisilicon/Kconfig| 5 +++ drivers/reset/hisilicon/Makefile

[RESEND PATCH 1/3] arm64: dts: Add reset dts config for Hisilicon Hi6220 SoC

Add reset controller for hi6220 hikey-board. Signed-off-by: Chen Feng --- arch/arm64/boot/dts/hisilicon/hi6220.dtsi | 7 +++ 1 file changed, 7 insertions(+) diff --git a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi index 3f03380..09bb9d1 100644

[RESEND PATCH 2/3] reset: hisilicon: document hisi-hi6220 reset controllers bindings

Add DT bindings documentation for hi6220 SoC reset controller. Signed-off-by: Chen Feng --- .../bindings/reset/hisilicon,hi6220-reset.txt | 97 ++ arch/arm64/boot/dts/hisilicon/hi6220.dtsi | 2 +- 2 files changed, 98 insertions(+), 1 deletion(-) create mode

[RESEND PATCH 3/3] reset: hi6220: Reset driver for hisilicon hi6220 SoC

Add reset driver for hi6220-hikey board,this driver supply deassert of IP. on hi6220 SoC. Signed-off-by: Chen Feng --- drivers/reset/Kconfig | 1 + drivers/reset/Makefile | 1 + drivers/reset/hisilicon/Kconfig| 5 +++ drivers/reset/hisilicon/Makefile

[PATCH V2 1/3] arm64: dts: Add reset dts config for Hisilicon Hi6220 SoC

Add reset controller for hi6220 hikey-board. Signed-off-by: Chen Feng --- arch/arm64/boot/dts/hisilicon/hi6220.dtsi | 7 +++ 1 file changed, 7 insertions(+) diff --git a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi index 3f03380..3bbc846 100644

[PATCH V2 3/3] reset: hi6220: Reset driver for hisilicon hi6220 SoC

Add reset driver for hi6220-hikey board,this driver supply deassert of IP. on hi6220 SoC. Signed-off-by: Chen Feng --- drivers/reset/Kconfig | 1 + drivers/reset/Makefile | 1 + drivers/reset/hisilicon/Kconfig| 5 ++ drivers/reset/hisilicon

[PATCH V2 2/3] reset: hisilicon: document hisi-hi6220 reset controllers bindings

Add DT bindings documentation for hi6220 SoC reset controller. Signed-off-by: Chen Feng --- .../bindings/reset/hisilicon,hi6220-reset.txt | 97 ++ 1 file changed, 97 insertions(+) create mode 100644 Documentation/devicetree/bindings/reset/hisilicon,hi6220-reset.txt

[PATCH V4 1/3] bindings for hisilicon hi6220 iommu driver

docs: iommu: Documentation for iommu in hi6220 SoC. Signed-off-by: Chen Feng Signed-off-by: Yu Dongbin --- .../bindings/iommu/hisi,hi6220-iommu.txt | 56 ++ 1 file changed, 56 insertions(+) create mode 100644 Documentation/devicetree/bindings/iommu/hisi,hi6220

[PATCH V4 2/3] Add iommu driver for hi6220 SoC platform

iommu/hisilicon: Add hi6220-SoC smmu driver The smmu on hi6220 SoC is for media system.And the media IP use the same page-table. It supports only one-to-one mapping from iova to phys address. Signed-off-by: Chen Feng Signed-off-by: Yu Dongbin --- drivers/iommu/Kconfig| 11 + drivers

[PATCH V4 3/3] Add iommu node for hi6220 SoC platform

arm64: dts: Add dts node for hi6220 smmu driver Signed-off-by: Chen Feng Signed-off-by: Yu Dongbin --- arch/arm64/boot/dts/hisilicon/hi6220.dtsi | 14 ++ 1 file changed, 14 insertions(+) diff --git a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi b/arch/arm64/boot/dts/hisilicon/hi6220

[PATCH V6 1/3] Add DT bindings documentation for hi6220 SoC reset controller.

docs: dts: Added documentation for hi6220 Reset Controller Signed-off-by: Chen Feng --- .../bindings/reset/hisilicon,hi6220-reset.txt | 32 ++ 1 file changed, 32 insertions(+) create mode 100644 Documentation/devicetree/bindings/reset/hisilicon,hi6220-reset.txt diff

[PATCH V6 2/3] Add reset controller for hi6220 SoC platform.

reset: add driver for hi6220 reset controller Signed-off-by: Chen Feng --- drivers/reset/Kconfig | 1 + drivers/reset/Makefile | 1 + drivers/reset/hisilicon/Kconfig| 5 ++ drivers/reset/hisilicon/Makefile

[PATCH V6 3/3] Add reset-cell node for hi6220 reset controller

arm64: dts: Add dts node for reset controller Signed-off-by: Chen Feng --- arch/arm64/boot/dts/hisilicon/hi6220.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi index 3f03380..e45dbb1 100644 --- a

[PATCH v4 0/5] Add Support for Hi6220 PMIC Hi6553 MFD Core

| ||-| | ||(REGMAP_MMIO)| | ++ +-+ V2: Code refactoring of regulator. V3: Drop mtcmos from this patch and use regmap-irq. V4: Move the vset-table to driver code and donot open code for it. Chen

[PATCH v4 1/5] doc: bindings: Add document for mfd hi665x PMIC

Add document for mfd driver hi655x pmic driver Signed-off-by: Chen Feng Signed-off-by: Fei Wang Signed-off-by: Xinwei Kong --- .../devicetree/bindings/mfd/hisilicon,hi655x.txt| 17 + 1 file changed, 17 insertions(+) create mode 100644 Documentation/devicetree/bindings

[PATCH v4 2/5] doc: bindings: Document for hi655x regulator driver

Add Document for hi655x pmic regulator driver Signed-off-by: Chen Feng Signed-off-by: Fei Wang Signed-off-by: Xinwei Kong --- .../regulator/hisilicon,hi655x-regulator.txt | 24 ++ 1 file changed, 24 insertions(+) create mode 100644 Documentation/devicetree/bindings

[PATCH v4 5/5] hisilicon/dts: Add hi655x pmic dts node

Add the mfd hi655x dts node and regulator support Signed-off-by: Chen Feng Signed-off-by: Fei Wang Signed-off-by: Xinwei Kong --- arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts | 5 ++ arch/arm64/boot/dts/hisilicon/hi6220.dtsi | 99 ++ 2 files changed, 104

[PATCH v4 3/5] mfd: hi655x: Add hi665x pmic driver

Add pmic mfd driver to support hisilicon hi665x. Signed-off-by: Chen Feng Signed-off-by: Fei Wang Signed-off-by: Xinwei Kong --- drivers/mfd/Kconfig | 10 +++ drivers/mfd/Makefile| 1 + drivers/mfd/hi655x-pmic.c | 160

[PATCH v4 4/5] regulator: add regulator driver of hi655x pmic

Add regulator support for hi655x pmic Signed-off-by: Chen Feng Signed-off-by: Fei Wang Signed-off-by: Xinwei Kong --- drivers/regulator/Kconfig| 8 ++ drivers/regulator/Makefile | 1 + drivers/regulator/hi655x-regulator.c | 232 +++ 3

Re: [PATCH v8 1/5] mfd: hi655x: Add document for mfd hi665x PMIC

Lee, Thanks for your review. On 2016/2/15 16:32, Lee Jones wrote: > On Sun, 14 Feb 2016, Chen Feng wrote: > >> DT bindings for hisilicon hi655x MFD PMIC chip. >> >> Signed-off-by: Chen Feng >> Signed-off-by: Fei Wang >> Signed-off-by: Xinwei

Re: [PATCH 1/2] arm64: mem-model: add flatmem model for arm64

Hi Catalin, Thanks for your reply. On 2016/4/12 22:59, Catalin Marinas wrote: > On Mon, Apr 11, 2016 at 12:31:53PM +0200, Ard Biesheuvel wrote: >> On 11 April 2016 at 11:59, Chen Feng wrote: >>> On 2016/4/11 16:00, Ard Biesheuvel wrote: >>>> On 11 April 2016 at 09:

Is the page always in swapcache?

Hi Matainers, In the file mm/migrate.c 316 int migrate_page_move_mapping(struct address_space *mapping, 317 struct page *newpage, struct page *page, 318 struct buffer_head *head, enum migrate_mode mode, 319 int extra_count) 320 { 321 s

Re: [PATCH 1/2] arm64: mem-model: add flatmem model for arm64

Hi will, Thanks for review. On 2016/4/7 22:21, Will Deacon wrote: > On Tue, Apr 05, 2016 at 04:22:51PM +0800, Chen Feng wrote: >> We can reduce the memory allocated at mem-map >> by flatmem. >> >> currently, the default memory-model in arm64 is >> sparse memory.

Re: [PATCH 1/2] arm64: mem-model: add flatmem model for arm64

Hi Ard, On 2016/4/11 15:35, Ard Biesheuvel wrote: > On 11 April 2016 at 04:49, Chen Feng wrote: >> Hi will, >> Thanks for review. >> >> On 2016/4/7 22:21, Will Deacon wrote: >>> On Tue, Apr 05, 2016 at 04:22:51PM +0800, Chen Feng wrote: >>>> We ca

Re: [PATCH v8 0/5] Add Support for Hi6220 PMIC Hi6553 MFD Core

Hi lee, Mark already took the regulator set. Please help take the mfd part. mfd: hi655x: Add document for mfd hi665x PMIC and mfd: hi655x: Add MFD driver for hi655x thanks a lot. On 2016/4/11 16:14, Lee Jones wrote: > On Sun, 14 Feb 2016, Chen Feng wrote: > >> The patch sets add

Re: [PATCH 1/2] arm64: mem-model: add flatmem model for arm64

Hi Ard, On 2016/4/11 16:00, Ard Biesheuvel wrote: > On 11 April 2016 at 09:55, Chen Feng wrote: >> Hi Ard, >> >> On 2016/4/11 15:35, Ard Biesheuvel wrote: >>> On 11 April 2016 at 04:49, Chen Feng wrote: >>>> Hi will, >>>> Thanks for

Re: [PATCH 1/2] arm64: mem-model: add flatmem model for arm64

On 2016/4/11 17:59, Chen Feng wrote: > Hi Ard, > > On 2016/4/11 16:00, Ard Biesheuvel wrote: >> On 11 April 2016 at 09:55, Chen Feng wrote: >>> Hi Ard, >>> >>> On 2016/4/11 15:35, Ard Biesheuvel wrote: >>>> On 11 April 2016 at 04:49, Ch

Re: [PATCH 1/2] arm64: mem-model: add flatmem model for arm64

Hi Will, On 2016/4/11 18:40, Will Deacon wrote: > On Mon, Apr 11, 2016 at 12:31:53PM +0200, Ard Biesheuvel wrote: >> On 11 April 2016 at 11:59, Chen Feng wrote: >>> Please see the pg-tables below. >>> >>> >>> With sparse and vmemmap enable. >>&

[PATCH 2/2] arm64: mm: make pfn always valid with flat memory

Make the pfn always valid when using flat memory. If the reserved memory is not align to memblock-size, there will be holes in zone. This patch makes the memory in buddy always in the array of mem-map. Signed-off-by: Chen Feng Signed-off-by: Fu Jun --- arch/arm64/mm/init.c | 7 --- 1 file

[PATCH 1/2] arm64: mem-model: add flatmem model for arm64

We can reduce the memory allocated at mem-map by flatmem. currently, the default memory-model in arm64 is sparse memory. The mem-map array is not freed in this scene. If the physical address is too long, it will reserved too much memory for the mem-map array. Signed-off-by: Chen Feng Signed-off

Re: [PATCH 1/2] arm64: mem-model: add flatmem model for arm64

add Mel Gorman On 2016/4/5 16:22, Chen Feng wrote: > We can reduce the memory allocated at mem-map > by flatmem. > > currently, the default memory-model in arm64 is > sparse memory. The mem-map array is not freed in > this scene. If the physical address is too long, > it w

Re: [PATCH 2/2] arm64: mm: make pfn always valid with flat memory

add Mel Gorman On 2016/4/5 16:22, Chen Feng wrote: > Make the pfn always valid when using flat memory. > If the reserved memory is not align to memblock-size, > there will be holes in zone. > > This patch makes the memory in buddy always in the > array of mem-map. > >

[PATCH 7/7] arm64: dts: Add mtcmos and pmic node for hi6220 HiKey board

Add dts node for hi665x pmic and hi6220 mtcmos driver Signed-off-by: Chen Feng Signed-off-by: Fei Wang --- arch/arm64/boot/dts/hisilicon/hi6220.dtsi | 210 ++ 1 file changed, 210 insertions(+) diff --git a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi b/arch/arm64

[PATCH 4/7] mfd: hi655x: Add hi665x pmic driver

Add pmic driver to support hisilicon hi665x pmic. Signed-off-by: Chen Feng Signed-off-by: Fei Wang --- drivers/mfd/Kconfig | 9 ++ drivers/mfd/Makefile| 1 + drivers/mfd/hi655x-pmic.c | 315 include/linux/mfd/hi655x

[PATCH 1/7] doc:bindings:Add document for mfd hi665x PMIC

Add document for mfd driver hi655x pmic driver Signed-off-by: Chen Feng Signed-off-by: Fei Wang --- .../devicetree/bindings/mfd/hisilicon,hi655x.txt | 18 ++ 1 file changed, 18 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/hisilicon,hi655x.txt

[PATCH 0/7] Add Support for Hi6220 PMIC Hi6553 MFD Core

| ||-| | ||(REGMAP_MMIO)| | ++ +-+ The patch sets are based on 4.3-rc7. Chen Feng (7): doc:bindings:Add document for mfd hi665x PMIC doc:bindings:Document for mtcmos regulator on hi6220 SoC

[PATCH 3/7] doc:bindings:Document for hi655x pmic driver

Add Document for hi655x pmic driver Signed-off-by: Chen Feng Signed-off-by: Fei Wang --- .../regulator/hisilicon,hi655x-regulator.txt | 50 ++ 1 file changed, 50 insertions(+) create mode 100644 Documentation/devicetree/bindings/regulator/hisilicon,hi655x

[PATCH 5/7] regulator: add driver for mtcmos voltage regulator on hi6220 SoC

Add driver to support mtcmos on hi6220 Signed-off-by: Chen Feng Signed-off-by: Fei Wang --- drivers/regulator/hi6220-mtcmos.c | 245 ++ 1 file changed, 245 insertions(+) create mode 100644 drivers/regulator/hi6220-mtcmos.c diff --git a/drivers/regulator

[PATCH 6/7] regulator: hisilicon: Add hi655x pmic voltage regulator driver

Add driver support for HiSilicon Hi655x voltage regulators. Signed-off-by: Chen Feng Signed-off-by: Fei Wang --- drivers/regulator/Kconfig | 13 ++ drivers/regulator/Makefile | 2 + drivers/regulator/hi655x-regulator.c | 246

[PATCH 2/7] doc:bindings:Document for mtcmos regulator on hi6220 SoC

Add Document for mtcmos driver on hi6220 SoC Signed-off-by: Chen Feng Signed-off-by: Fei Wang --- .../bindings/regulator/hisilicon,hi6220-mtcmos.txt | 32 ++ 1 file changed, 32 insertions(+) create mode 100644 Documentation/devicetree/bindings/regulator/hisilicon,hi6220

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