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* ARM: dts: rockchip: simple panel and backlight supplies on veyron boardsHeiko Stuebner2016-04-06
| | | | | | | | Jerry and Speedy don't need any special handling wrt the backlight or panel, so only need their backlight and panel-regulators hooked up. Signed-off-by: Heiko Stuebner <heiko@sntech.de> Tested-by: Douglas Anderson <dianders@chromium.org>
* ARM: dts: rockchip: override edp hpd handling on veyron-pinky and speedyHeiko Stuebner2016-04-06
| | | | | | | | | | | | | | Pinky boards don't have the hotplug pin connected. So remove the hotplug pinctrl setting and enable the force-hpd option, to allow them to find the display too. While on speedy boards, the hotplug pin is connected, judging by comments in a chromeos change it seems the "panels HPD voltage is too low to be detected", so it also needs the forced hotplug, as we of course also know that a display is connected. Signed-off-by: Heiko Stuebner <heiko@sntech.de> Tested-by: Douglas Anderson <dianders@chromium.org>
* ARM: dts: rockchip: add rk3288-veyron-minnie backlight and panel settingsHeiko Stuebner2016-04-06
| | | | | | | | | The pwm for Minnie's backlight needs to be above 1%, so adapt the start of non-zero brightness accordingly. Minnie is also using a different panel, so re-set the compatible property. Signed-off-by: Heiko Stuebner <heiko@sntech.de> Tested-by: Douglas Anderson <dianders@chromium.org>
* ARM: dts: rockchip: add rk3288-veyron-jaq backlight and panel overridesCaesar Wang2016-04-06
| | | | | | | | | | | | The panel which jaq uses requires the pwm duty cycle larger than 3%, when the backlight status from power off to power on, otherwise the backlight will flush, so we modify the second brightness-level to 8, and when the backlight from power off to power on the pwm duty cycle will larger than 3%. Signed-off-by: Caesar Wang <wxt@rock-chips.com> Signed-off-by: Heiko Stuebner <heiko@sntech.de> Tested-by: Douglas Anderson <dianders@chromium.org>
* ARM: dts: rockchip: add core rk3288-veyron backlight and panel nodesHeiko Stuebner2016-04-06
| | | | | | | | Many Veyron chromebooks share the same panel type, so define the core settings for all of them and allow the few runaways to override it later. Signed-off-by: Heiko Stuebner <heiko@sntech.de> Tested-by: Douglas Anderson <dianders@chromium.org>
* ARM: dts: rockchip: add startup delay to rk3288-veyron panel-regulatorsHeiko Stuebner2016-04-06
| | | | | | | | | | The panels need a bit of time to actually turn on. If this isn't observed, this results in problems when trying talk to the panels and thus produces detection errors. 100ms seem to be a safe value for the time being. Signed-off-by: Heiko Stuebner <heiko@sntech.de> Tested-by: Douglas Anderson <dianders@chromium.org>
* ARM: dts: rockchip: move edp-hpd pin definition into common locationHeiko Stuebner2016-04-06
| | | | | | | | The edp hotplug pin is fixed on the soc side, anybody wanting to use it will need the same definition anyway, so move it to a common location. Signed-off-by: Heiko Stuebner <heiko@sntech.de> Tested-by: Douglas Anderson <dianders@chromium.org>
* ARM: dts: rockchip: add rk3288 displayport controller nodeHeiko Stuebner2016-04-06
| | | | | | | Add the rk3288 edp node and its hooks into the display-subsystem. Signed-off-by: Heiko Stuebner <heiko@sntech.de> Tested-by: Douglas Anderson <dianders@chromium.org>
* ARM: dts: rockchip: add rk3288 edp-phy nodeHeiko Stuebner2016-04-06
| | | | | | | Add the core device node of the edp-phy on rk3288 socs. Signed-off-by: Heiko Stuebner <heiko@sntech.de> Tested-by: Douglas Anderson <dianders@chromium.org>
* ARM: dts: rockchip: add missing unitname to cpu_leakage efuseHeiko Stuebner2016-04-06
| | | | | | | | The cpu_leakage efuse on rk3288 did get it right including the unitname but on both rk3066a and rk3188 it was missing, fix that. Signed-off-by: Heiko Stuebner <heiko@sntech.de> Acked-by: Rob Herring <robh@kernel.org>
* ARM: dts: rockchip: drop unneeded properties from mipi nodeHeiko Stuebner2016-04-06
| | | | | | | | | The mipi controller node does contain an unused reg property as well as unnecessary #address-cells and #size-cells properties for subnodes not using addresses, so remove those to also make dtc happy. Signed-off-by: Heiko Stuebner <heiko@sntech.de> Acked-by: Rob Herring <robh@kernel.org>
* ARM: dts: rockchip: clean up gpio-keys nodesHeiko Stuebner2016-04-06
| | | | | | | | | | Drop superfluous #address-cells and #size-cells, rename key-nodes to individual names and also use the key constants intead of numbers. Reported-by: Julien Chauveau <chauveau.julien@gmail.com> Signed-off-by: Heiko Stuebner <heiko@sntech.de> Acked-by: Rob Herring <robh@kernel.org>
* ARM: dts: rockchip: fix missing usbphy unit-namesHeiko Stuebner2016-04-06
| | | | | | | The usbphy subnodes do have a reg property but no unitname, add them. Signed-off-by: Heiko Stuebner <heiko@sntech.de> Acked-by: Rob Herring <robh@kernel.org>
* ARM: dts: rockchip: fix rk3288 power-domain unit namesHeiko Stuebner2016-04-06
| | | | | | | | The power-domain sub-nodes do have reg properties, but so far are missing the expected unit names. So add the missing ones. Signed-off-by: Heiko Stuebner <heiko@sntech.de> Acked-by: Rob Herring <robh@kernel.org>
* ARM: dts: rockchip: update rk3288-veyron cpu operating pointsHeiko Stuebner2016-04-01
| | | | | | | | | | | | | | The generic operating points specified in rk3288.dtsi are specified by Rockchip as conservative and for all cases. In contrast the Veyron ChromeOS devices are supposed to use a special chip variant often called rk3288-c and use different operating points in their kernel also including a higher max frequency. So override the operating points for veyron devices. Signed-off-by: Heiko Stuebner <heiko@sntech.de> Reviewed-by: Douglas Anderson <dianders@chromium.org>
* ARM: dts: rockchip: remove broken-cd from emmc and sdioShawn Lin2016-03-26
| | | | | | | | | | Only one of "broken-cd" and "non-removable" should be supplied according to Documentation/devicetree/bindings/mmc/mmc.txt. Obviously emmc and sdio-wifi are non-removable devices, while broken-cd is for removable device whose card detect pin is broken. Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com> Signed-off-by: Heiko Stuebner <heiko@sntech.de>
* ARM: dts: rockchip: enable the tsadc for rk3228 evbCaesar Wang2016-03-26
| | | | | | | | | | This patch enables the tsadc for rk3228 evb board. The rk3228 evb board uses the CRU to reset the chip since it hasn't the PMIC to connect it, and TSHUT is low active on evb board. Signed-off-by: Caesar Wang <wxt@rock-chips.com> Signed-off-by: Heiko Stuebner <heiko@sntech.de>
* ARM: dts: rockchip: add the thermal main info found on rk3228Caesar Wang2016-03-26
| | | | | | | | | | | | | | | | | | | | | | | This patch adds the thermal needed main information for rk3228 SoCS. Basically has the following content: 1) TSADC controller: Add the needed attributes for rk3036 TSADC controller. Especially for the TSHUT, in some cases if we are unable to shut it down in orderly fashion (says: kernel is stuck holding a lock or similar), then hardware TSHUT will reset it. If the temperature is over 95C over a period of time the thermal shutdown of the tsadc is invoked with can either reset the entire chip via the CRU, or notify the PMIC via a GPIO. This should be set in the specific board. 2) Thermal zones: Add the needed device mode for thermal generic framework. Detail in Documentation/devicetree/bindings/thermal/thermal.txt. Signed-off-by: Caesar Wang <wxt@rock-chips.com> Signed-off-by: Heiko Stuebner <heiko@sntech.de>
* dt-bindings: add bindings for Rockchip grfJianqun Xu2016-03-26
| | | | | | | | | Add devicetree bindings for Rockchip grf which found on Rockchip SoCs. Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Heiko Stuebner <heiko@sntech.de>
* ARM: dts: rockchip: add mipi_dsi to VIO power domain on rk3288John Keeping2016-03-26
| | | | | | | | The MIPI controllers are part of the VIO power domain so add the necessary property to indicate this for the controller we support. Signed-off-by: John Keeping <john@metanate.com> Signed-off-by: Heiko Stuebner <heiko@sntech.de>
* ARM: dts: rockchip: fix audio interrupts on rk3288John Keeping2016-03-26
| | | | | | | | These must be translated from the values in the TRM by subtracting 32, which has not been done. The SPDIF interrupt is also off-by-one. Signed-off-by: John Keeping <john@metanate.com> Signed-off-by: Heiko Stuebner <heiko@sntech.de>
* ARM: dts: rockchip: fix MIPI interrupt on rk3288John Keeping2016-03-26
| | | | | | | | | This isn't currently used by the driver but the correct value is 19 since DSIHOST0 is 51 in the TRM and the GIC offset requires 32 to be subtracted. Signed-off-by: John Keeping <john@metanate.com> Signed-off-by: Heiko Stuebner <heiko@sntech.de>
* ARM: dts: rockchip: enable graphics support on rk3036-kylinCaesar Wang2016-03-26
| | | | | | | Enable the recently added vop and hdmi nodes on the rk3036-kylin board. Signed-off-by: Caesar Wang <wxt@rock-chips.com> Signed-off-by: Heiko Stuebner <heiko@sntech.de>
* ARM: dts: rockchip: add hdmi device node for rk3036Caesar Wang2016-03-26
| | | | | | | Add the Innosilicon hdmi node for HDMI display. Signed-off-by: Caesar Wang <wxt@rock-chips.com> Signed-off-by: Heiko Stuebner <heiko@sntech.de>
* ARM: dts: rockchip: add vop device node for rk3036Caesar Wang2016-03-26
| | | | | | | | The rk3036 support two overlay plane and one hwc plane, it supports IOMMU, and its IOMMU same as rk3288's. Signed-off-by: Caesar Wang <wxt@rock-chips.com> Signed-off-by: Heiko Stuebner <heiko@sntech.de>
* Linux 4.6-rc1Linus Torvalds2016-03-26
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* Merge branch 'for-linus' of ↵Linus Torvalds2016-03-26
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client Pull Ceph updates from Sage Weil: "There is quite a bit here, including some overdue refactoring and cleanup on the mon_client and osd_client code from Ilya, scattered writeback support for CephFS and a pile of bug fixes from Zheng, and a few random cleanups and fixes from others" [ I already decided not to pull this because of it having been rebased recently, but ended up changing my mind after all. Next time I'll really hold people to it. Oh well. - Linus ] * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client: (34 commits) libceph: use KMEM_CACHE macro ceph: use kmem_cache_zalloc rbd: use KMEM_CACHE macro ceph: use lookup request to revalidate dentry ceph: kill ceph_get_dentry_parent_inode() ceph: fix security xattr deadlock ceph: don't request vxattrs from MDS ceph: fix mounting same fs multiple times ceph: remove unnecessary NULL check ceph: avoid updating directory inode's i_size accidentally ceph: fix race during filling readdir cache libceph: use sizeof_footer() more ceph: kill ceph_empty_snapc ceph: fix a wrong comparison ceph: replace CURRENT_TIME by current_fs_time() ceph: scattered page writeback libceph: add helper that duplicates last extent operation libceph: enable large, variable-sized OSD requests libceph: osdc->req_mempool should be backed by a slab pool libceph: make r_request msg_size calculation clearer ...
| * libceph: use KMEM_CACHE macroGeliang Tang2016-03-25
| | | | | | | | | | | | | | Use KMEM_CACHE() instead of kmem_cache_create() to simplify the code. Signed-off-by: Geliang Tang <geliangtang@163.com> Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
| * ceph: use kmem_cache_zallocGeliang Tang2016-03-25
| | | | | | | | | | | | | | Use kmem_cache_zalloc() instead of kmem_cache_alloc() with flag GFP_ZERO. Signed-off-by: Geliang Tang <geliangtang@163.com> Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
| * rbd: use KMEM_CACHE macroGeliang Tang2016-03-25
| | | | | | | | | | | | | | Use KMEM_CACHE() instead of kmem_cache_create() to simplify the code. Signed-off-by: Geliang Tang <geliangtang@163.com> Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
| * ceph: use lookup request to revalidate dentryYan, Zheng2016-03-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | If dentry has no lease, ceph_d_revalidate() previously return 0. This causes VFS to invalidate the dentry and create a new dentry for later lookup. Invalidating a dentry also detach any underneath mount points. So mount point inside cephfs can disapear mystically (even the mount point is not modified by other hosts). The fix is using lookup request to revalidate dentry without lease. This can partly solve the mount points disapear issue (as long as the mount point is not modified by other hosts) Signed-off-by: Yan, Zheng <zyan@redhat.com>
| * ceph: kill ceph_get_dentry_parent_inode()Yan, Zheng2016-03-25
| | | | | | | | | | | | use vfs helper dget_parent() instead Signed-off-by: Yan, Zheng <zyan@redhat.com>
| * ceph: fix security xattr deadlockYan, Zheng2016-03-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When security is enabled, security module can call filesystem's getxattr/setxattr callbacks during d_instantiate(). For cephfs, d_instantiate() is usually called by MDS' dispatch thread, while handling MDS reply. If the MDS reply does not include xattrs and corresponding caps, getxattr/setxattr need to send a new request to MDS and waits for the reply. This makes MDS' dispatch sleep, nobody handles later MDS replies. The fix is make sure lookup/atomic_open reply include xattrs and corresponding caps. So getxattr can be handled by cached xattrs. This requires some modification to both MDS and request message. (Client tells MDS what caps it wants; MDS encodes proper caps in the reply) Smack security module may call setxattr during d_instantiate(). Unlike getxattr, we can't force MDS to issue CEPH_CAP_XATTR_EXCL to us. So just make setxattr return error when called by MDS' dispatch thread. Signed-off-by: Yan, Zheng <zyan@redhat.com>
| * ceph: don't request vxattrs from MDSYan, Zheng2016-03-25
| | | | | | | | | | | | It's uselese because MDS reply does not carry any vxattr. Signed-off-by: Yan, Zheng <zyan@redhat.com>
| * ceph: fix mounting same fs multiple timesYan, Zheng2016-03-25
| | | | | | | | | | | | | | Now __ceph_open_session() only accepts closed client. An opened client will tigger BUG_ON(). Signed-off-by: Yan, Zheng <zyan@redhat.com>
| * ceph: remove unnecessary NULL checkYan, Zheng2016-03-25
| | | | | | | | | | | | | | | | If page->mapping is NULL, releasepage() callback does not get called. Remove the unnecessary NULL check to make static code analysis tool happy Signed-off-by: Yan, Zheng <zyan@redhat.com>
| * ceph: avoid updating directory inode's i_size accidentallyYan, Zheng2016-03-25
| | | | | | | | | | | | Directory inode's i_size is used by readdir cache. Signed-off-by: Yan, Zheng <zyan@redhat.com>
| * ceph: fix race during filling readdir cacheYan, Zheng2016-03-25
| | | | | | | | | | | | | | | | | | Readdir cache uses page cache to save dentry pointers. When adding dentry pointers to middle of a page, we need to make sure the page already exists. Otherwise the beginning part of the page will be invalid pointers. Signed-off-by: Yan, Zheng <zyan@redhat.com>
| * libceph: use sizeof_footer() moreIlya Dryomov2016-03-25
| | | | | | | | | | | | | | | | | | Don't open-code sizeof_footer() in read_partial_message() and ceph_msg_revoke(). Also, after switching to sizeof_footer(), it's now possible to use con_out_kvec_add() in prepare_write_message_footer(). Signed-off-by: Ilya Dryomov <idryomov@gmail.com> Reviewed-by: Alex Elder <elder@linaro.org>
| * ceph: kill ceph_empty_snapcIlya Dryomov2016-03-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ceph_empty_snapc->num_snaps == 0 at all times. Passing such a snapc to ceph_osdc_alloc_request() (possibly through ceph_osdc_new_request()) is equivalent to passing NULL, as ceph_osdc_alloc_request() uses it only for sizing the request message. Further, in all four cases the subsequent ceph_osdc_build_request() is passed NULL for snapc, meaning that 0 is encoded for seq and num_snaps and making ceph_empty_snapc entirely useless. The two cases where it actually mattered were removed in commits 860560904962 ("ceph: avoid sending unnessesary FLUSHSNAP message") and 23078637e054 ("ceph: fix queuing inode to mdsdir's snaprealm"). Signed-off-by: Ilya Dryomov <idryomov@gmail.com> Reviewed-by: Yan, Zheng <zyan@redhat.com>
| * ceph: fix a wrong comparisonAnton Protopopov2016-03-25
| | | | | | | | | | | | | | | | A negative value rc compared to the positive value ENOENT in the finish_read() function. Signed-off-by: Anton Protopopov <a.s.protopopov@gmail.com> Signed-off-by: Yan, Zheng <zyan@redhat.com>
| * ceph: replace CURRENT_TIME by current_fs_time()Deepa Dinamani2016-03-25
| | | | | | | | | | | | | | | | | | CURRENT_TIME macro is not appropriate for filesystems as it doesn't use the right granularity for filesystem timestamps. Use current_fs_time() instead. Signed-off-by: Deepa Dinamani <deepa.kernel@gmail.com> Signed-off-by: Yan, Zheng <zyan@redhat.com>
| * ceph: scattered page writebackYan, Zheng2016-03-25
| | | | | | | | | | | | | | | | | | | | This patch makes ceph_writepages_start() try using single OSD request to write all dirty pages within a strip unit. When a nonconsecutive dirty page is found, ceph_writepages_start() tries starting a new write operation to existing OSD request. If it succeeds, it uses the new operation to writeback the dirty page. Signed-off-by: Yan, Zheng <zyan@redhat.com>
| * libceph: add helper that duplicates last extent operationYan, Zheng2016-03-25
| | | | | | | | | | | | | | | | | | | | This helper duplicates last extent operation in OSD request, then adjusts the new extent operation's offset and length. The helper is for scatterd page writeback, which adds nonconsecutive dirty pages to single OSD request. Signed-off-by: Yan, Zheng <zyan@redhat.com> Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
| * libceph: enable large, variable-sized OSD requestsIlya Dryomov2016-03-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Turn r_ops into a flexible array member to enable large, consisting of up to 16 ops, OSD requests. The use case is scattered writeback in cephfs and, as far as the kernel client is concerned, 16 is just a made up number. r_ops had size 3 for copyup+hint+write, but copyup is really a special case - it can only happen once. ceph_osd_request_cache is therefore stuffed with num_ops=2 requests, anything bigger than that is allocated with kmalloc(). req_mempool is backed by ceph_osd_request_cache, which means either num_ops=1 or num_ops=2 for use_mempool=true - all existing users (ceph_writepages_start(), ceph_osdc_writepages()) are fine with that. Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
| * libceph: osdc->req_mempool should be backed by a slab poolIlya Dryomov2016-03-25
| | | | | | | | | | | | | | | | ceph_osd_request_cache was introduced a long time ago. Also, osd_req is about to get a flexible array member, which ceph_osd_request_cache is going to be aware of. Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
| * libceph: make r_request msg_size calculation clearerIlya Dryomov2016-03-25
| | | | | | | | | | | | | | | | | | | | Although msg_size is calculated correctly, the terms are grouped in a misleading way - snaps appears to not have room for a u32 length. Move calculation closer to its use and regroup terms. No functional change. Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
| * libceph: move r_reply_op_{len,result} into struct ceph_osd_req_opYan, Zheng2016-03-25
| | | | | | | | | | | | | | | | This avoids defining large array of r_reply_op_{len,result} in in struct ceph_osd_request. Signed-off-by: Yan, Zheng <zyan@redhat.com> Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
| * libceph: rename ceph_osd_req_op::payload_len to indata_lenIlya Dryomov2016-03-25
| | | | | | | | | | | | | | Follow userspace nomenclature on this - the next commit adds outdata_len. Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
| * ceph: remove useless BUG_ONYan, Zheng2016-03-25
| | | | | | | | | | | | ceph_osdc_start_request() never return -EOLDSNAP Signed-off-by: Yan, Zheng <zyan@redhat.com>
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