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2016-11-22ARM: dts: sun9i: Add mmc1 pinmux settingChen-Yu Tsai1-0/+8
On the A80, mmc1 is available on pingroup G. Designs mostly use this to connect to an SDIO WiFi chip. Signed-off-by: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
2016-11-22ARM: sun5i: chip: Add optional busesMaxime Ripard1-0/+14
The I2C1 and SPI2 buses are exposed on the CHIP headers, and are not explicitly dedicated to anything. Add them to the DTS with the muxing already set, but keep them disabled. Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Acked-by: Chen-Yu Tsai <wens@csie.org>
2016-11-22ARM: sun5i: Add RGB 565 LCD pinsMaxime Ripard1-0/+10
Some boards use the LCD in RGB565. Enable the pin muxing option. Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Acked-by: Chen-Yu Tsai <wens@csie.org>
2016-11-22ARM: sun5i: Add SPI2 pinsMaxime Ripard1-0/+14
All the sun5i have the SPI2 pins exposed on the PE bank. Add them to the DT. Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Acked-by: Chen-Yu Tsai <wens@csie.org>
2016-11-22ARM: sun5i: Rename A10s pinsMaxime Ripard2-4/+4
The SPI2 pins on the sun5i PB bank are only available on the A10s. Rename the A10s only bank so that it doesn't confuse people on the other SoCs whose indexing would start at b. Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Acked-by: Chen-Yu Tsai <wens@csie.org>
2016-11-22ARM: sun5i: chip: add a node for the w1 gpio controllerAntoine Tenart1-0/+14
The CHIP uses a 1-Wire bus to discover the DIPs. Enable the bus in the DT. Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com> Acked-by: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
2016-11-22ARM: sun5i: chip: Enable Wi-Fi SDIO chipMaxime Ripard1-0/+41
The WiFi chip is powered through a GPIO and two regulators in parallel. Since that case is not supported yet, just set them as always on before we rework the regulator framework to deal with those. Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Acked-by: Chen-Yu Tsai <wens@csie.org>
2016-11-22ARM: gr8: Add CHIP Pro supportMaxime Ripard2-0/+267
The CHIP Pro is a small embeddable board. It features a GR8, an AXP209 PMIC, a 512MB SLC NAND and a WiFi/BT chip. Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Acked-by: Chen-Yu Tsai <wens@csie.org>
2016-11-22ARM: gr8: Add UART3 pinsMaxime Ripard1-0/+14
The UART3 pins were missing from the DTSI. Add them. Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Acked-by: Chen-Yu Tsai <wens@csie.org>
2016-11-22ARM: gr8: Add UART2 pinsMaxime Ripard1-0/+14
The UART2 pins were missing from the DTSI. Add them. Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Acked-by: Chen-Yu Tsai <wens@csie.org>
2016-11-22ARM: gr8: Add missing pwm channel 1 pinMaxime Ripard1-0/+7
The PWM controller has two different channels, but only the first pin was exposed in the DTSI. Add the other one. Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Acked-by: Chen-Yu Tsai <wens@csie.org>
2016-11-22ARM: gr8: Fix typo in the i2s mclk pin groupMaxime Ripard1-1/+1
There was a dumb copy and paste mistake here, fix it. Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Acked-by: Chen-Yu Tsai <wens@csie.org>
2016-11-22ARM: gr8: Add the UART3Maxime Ripard1-0/+10
The GR8 has access to the UART3 controller, which was missing in the DTSI. Add it. Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Acked-by: Chen-Yu Tsai <wens@csie.org>
2016-11-22ARM: dts: sun6i: Add A31 LCD0 RGB888 pinsChen-Yu Tsai1-0/+13
The LCD0 controller on the A31 can do RGB output up to 8 bits per channel. Add the pins for RGB888 output. Signed-off-by: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
2016-11-22ARM: dts: sun6i: Add device nodes for first display pipelineChen-Yu Tsai2-0/+160
The A31 has 2 parallel display pipelines, which can be intermixed. However the driver currently only supports one of them. Signed-off-by: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
2016-11-22ARM: dts: sunxi: Add cpu-supply for Olimex A20 EVBEmmanuel Vadot1-0/+4
sun7i-a20-olimex-som-evb.dts doesn't contain cpu-supply needed for voltage-scaling with cpufreq-dt so define it. The default voltages are defined in sun7i-a20.dtsi. Signed-off-by: Emmanuel Vadot <manu@bidouilliste.com> Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
2016-11-22ARM: sun5i: a13-olinuxino: Enable VGA bridgeMaxime Ripard1-0/+54
Now that we have support for the VGA bridges using our DRM driver, enable the display engine for the Olimex A13-Olinuxino. Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Acked-by: Chen-Yu Tsai <wens@csie.org>
2016-11-22ARM: dts: sun6i: Sort pinmux setting nodesChen-Yu Tsai1-41/+41
The pinmux setting nodes for the A31 were added out of alphabetical order. Sort them. Signed-off-by: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
2016-11-22ARM: gr8: Rename the DTSI and relevant DTSMaxime Ripard3-2/+2
Reviews have found that sun5i was a better prefix after all for the GR8. Rename the relevant device trees before it's too late. Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
2016-10-25ARM: dts: sun8i: fix the pinmux for UART1Icenowy Zheng1-0/+4
When the patch is applied, the allwinner,driver and allwinner,pull properties are removed. Although they're described to be optional in the devicetree binding, without them, the pinmux cannot be initialized, and the uart cannot be used. Add them back to fix the problem, and makes the bluetooth on iNet D978 Rev2 board work. Fixes: 82eec384249f (ARM: dts: sun8i: add pinmux for UART1 at PG) Signed-off-by: Icenowy Zheng <icenowy@aosc.xyz> Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
2016-10-15Linux 4.9-rc1Linus Torvalds1-2/+2
2016-10-14score: traps: Add missing include file to fix build errorGuenter Roeck1-0/+1
score images fail to build as follows. arch/score/kernel/traps.c: In function 'show_stack': arch/score/kernel/traps.c:55:3: error: implicit declaration of function '__get_user' __get_user() is declared in asm/uaccess.h, which was previously included through asm/module.h. Cc: Al Viro <viro@zeniv.linux.org.uk> Fixes: 88dd4a748da7 ("score: separate extable.h, switch module.h to it") Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2016-10-14fs/super.c: don't fool lockdep in freeze_super() and thaw_super() pathsOleg Nesterov1-12/+25
sb_wait_write()->percpu_rwsem_release() fools lockdep to avoid the false-positives. Now that xfs was fixed by Dave's commit dbad7c993053 ("xfs: stop holding ILOCK over filldir callbacks") we can remove it and change freeze_super() and thaw_super() to run with s_writers.rw_sem locks held; we add two trivial helpers for that, lockdep_sb_freeze_release() and lockdep_sb_freeze_acquire(). xfstests-dev/check `grep -il freeze tests/*/???` does not trigger any warning from lockdep. Signed-off-by: Oleg Nesterov <oleg@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2016-10-14fs/super.c: fix race between freeze_super() and thaw_super()Oleg Nesterov1-3/+3
Change thaw_super() to check frozen != SB_FREEZE_COMPLETE rather than frozen == SB_UNFROZEN, otherwise it can race with freeze_super() which drops sb->s_umount after SB_FREEZE_WRITE to preserve the lock ordering. In this case thaw_super() will wrongly call s_op->unfreeze_fs() before it was actually frozen, and call sb_freeze_unlock() which leads to the unbalanced percpu_up_write(). Unfortunately lockdep can't detect this, so this triggers misc BUG_ON()'s in kernel/rcu/sync.c. Reported-and-tested-by: Nikolay Borisov <kernel@kyup.com> Signed-off-by: Oleg Nesterov <oleg@redhat.com> Cc: stable@vger.kernel.org Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2016-10-14overlayfs: Fix setting IOP_XATTR flagVivek Goyal1-5/+6
ovl_fill_super calls ovl_new_inode to create a root inode for the new superblock before initializing sb->s_xattr. This wrongly causes IOP_XATTR to be cleared in i_opflags of the new inode, causing SELinux to log the following message: SELinux: (dev overlay, type overlay) has no xattr support Fix this by initializing sb->s_xattr and similar fields before calling ovl_new_inode. Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2016-10-14iov_iter: kernel-doc import_iovec() and rw_copy_check_uvector()Vegard Nossum2-0/+51
Both import_iovec() and rw_copy_check_uvector() take an array (typically small and on-stack) which is used to hold an iovec array copy from userspace. This is to avoid an expensive memory allocation in the fast path (i.e. few iovec elements). The caller may have to check whether these functions actually used the provided buffer or allocated a new one -- but this differs between the too. Let's just add a kernel doc to clarify what the semantics are for each function. Signed-off-by: Vegard Nossum <vegard.nossum@oracle.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2016-10-14CIFS: Retrieve uid and gid from special sid if enabledSteve French1-0/+123
New mount option "idsfromsid" indicates to cifs.ko that it should try to retrieve the uid and gid owner fields from special sids. This patch adds the code to parse the owner sids in the ACL to see if they match, and if so populate the uid and/or gid from them. This is faster than upcalling for them and asking winbind, and is a fairly common case, and is also helpful when cifs.upcall and idmapping is not configured. Signed-off-by: Steve French <steve.french@primarydata.com> Reviewed-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com> Reviewed-by: Jeff Layton <jlayton@redhat.com> Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
2016-10-14CIFS: Add new mount option to set owner uid and gid from special sids in aclSteve French4-1/+11
Add "idsfromsid" mount option to indicate to cifs.ko that it should try to retrieve the uid and gid owner fields from special sids in the ACL if present. This first patch just adds the parsing for the mount option. Signed-off-by: Steve French <steve.french@primarydata.com> Reviewed-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com> Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
2016-10-14qedr: Add events support and register IB deviceRam Amrani3-2/+158
Add error handling support. Register ib device with ib stack. Signed-off-by: Rajesh Borundia <rajesh.borundia@cavium.com> Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-10-14qedr: Add GSI supportRam Amrani7-1/+706
Add support for GSI over light L2. Signed-off-by: Rajesh Borundia <rajesh.borundia@cavium.com> Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-10-14qedr: Add LL2 RoCE interfaceRam Amrani2-2/+34
Add light L2 interface for RoCE. Signed-off-by: Rajesh Borundia <rajesh.borundia@cavium.com> Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-10-14qedr: Add support for data pathRam Amrani5-1/+1614
Implement fastpath verbs like ib_send_post, ib_post_recv and ib_poll_cq. Signed-off-by: Rajesh Borundia <rajesh.borundia@cavium.com> Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-10-14qedr: Add support for memory registeration verbsRam Amrani4-1/+425
Add support for user, dma and memory regions registration. Signed-off-by: Rajesh Borundia <rajesh.borundia@cavium.com> Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-10-14qedr: Add support for QP verbsRam Amrani7-1/+1320
Add support for Queue Pair verbs which adds, deletes, modifies and queries Queue Pairs. Signed-off-by: Rajesh Borundia <rajesh.borundia@cavium.com> Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-10-14qedr: Add support for PD,PKEY and CQ verbsRam Amrani6-1/+777
Add support for protection domain and completion queue verbs. Signed-off-by: Rajesh Borundia <rajesh.borundia@cavium.com> Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-10-14qedr: Add support for user context verbsRam Amrani6-1/+622
Add support for ucontext, query port, add and del gid verbs. Signed-off-by: Rajesh Borundia <rajesh.borundia@cavium.com> Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-10-14qedr: Add support for RoCE HW initRam Amrani4-2/+691
Allocate and setup RoCE resources, interrupts and completion queues. Adds device attributes. Signed-off-by: Rajesh Borundia <rajesh.borundia@cavium.com> Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-10-14qedr: Add RoCE driver frameworkRam Amrani8-11/+331
Adds a skeletal implementation of the qed* RoCE driver - basically the ability to communicate with the qede driver and receive notifications from it regarding various init/exit events. Signed-off-by: Rajesh Borundia <rajesh.borundia@cavium.com> Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-10-14pkeys: Remove easily triggered WARNDave Jones1-1/+0
This easy-to-trigger warning shows up instantly when running Trinity on a kernel with CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS disabled. At most this should have been a printk, but the -EINVAL alone should be more than adequate indicator that something isn't available. Signed-off-by: Dave Jones <davej@codemonkey.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-10-14MIPS: Wire up new pkey_{mprotect,alloc,free} syscallsRalf Baechle5-6/+28
Signed-off-by: Marcin Nowakowski <marcin.nowakowski@imgtec.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/14380/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-10-14ovl: use vfs_get_link()Miklos Szeredi2-49/+7
Resulting in a complete removal of a function basically implementing the inverse of vfs_readlink(). As a bonus, now the proper security hook is also called. Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
2016-10-14vfs: add vfs_get_link() helperMiklos Szeredi2-0/+26
This helper is for filesystems that want to read the symlink and are better off with the get_link() interface (returning a char *) rather than the readlink() interface (copy into a userspace buffer). Also call the LSM hook for readlink (not get_link) since this is for symlink reading not following. Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
2016-10-14ovl: use generic_readlinkMiklos Szeredi1-20/+1
All filesystems that are backers for overlayfs would also use generic_readlink(). Move this logic to the overlay itself, which is a nice cleanup. Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
2016-10-14ovl: explain error values when removing acl from workdirMiklos Szeredi1-0/+13
Suggested-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
2016-10-13CIFS: Reset read oplock to NONE if we have mandatory locks after reopenPavel Shilovsky1-0/+9
We are already doing the same thing for an ordinary open case: we can't keep read oplock on a file if we have mandatory byte-range locks because pagereading can conflict with these locks on a server. Fix it by setting oplock level to NONE. Signed-off-by: Pavel Shilovsky <pshilov@microsoft.com> Signed-off-by: Steve French <smfrench@gmail.com>
2016-10-13CIFS: Fix persistent handles re-opening on reconnectPavel Shilovsky2-5/+18
openFileList of tcon can be changed while cifs_reopen_file() is called that can lead to an unexpected behavior when we return to the loop. Fix this by introducing a temp list for keeping all file handles that need to be reopen. Signed-off-by: Pavel Shilovsky <pshilov@microsoft.com> Signed-off-by: Steve French <smfrench@gmail.com>
2016-10-13SMB2: Separate RawNTLMSSP authentication from SMB2_sess_setupSachin Prabhu1-199/+162
We split the rawntlmssp authentication into negotiate and authencate parts. We also clean up the code and add helpers. Signed-off-by: Sachin Prabhu <sprabhu@redhat.com> Signed-off-by: Steve French <smfrench@gmail.com> Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
2016-10-13SMB2: Separate Kerberos authentication from SMB2_sess_setupSachin Prabhu1-46/+230
Add helper functions and split Kerberos authentication off SMB2_sess_setup. Signed-off-by: Sachin Prabhu <sprabhu@redhat.com> Signed-off-by: Steve French <smfrench@gmail.com> Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
2016-10-13Expose cifs module parameters in sysfsGermano Percossi1-3/+3
/sys/module/cifs/parameters should display the three other module load time configuration settings for cifs.ko Signed-off-by: Germano Percossi <germano.percossi@citrix.com> Signed-off-by: Steve French <steve.french@primarydata.com>
2016-10-13Cleanup missing frees on some ioctlsSteve French1-5/+4
Cleanup some missing mem frees on some cifs ioctls, and clarify others to make more obvious that no data is returned. CC: Stable <stable@vger.kernel.org> Signed-off-by: Steve French <smfrench@gmail.com> Acked-by: Sachin Prabhu <sprabhu@redhat.com>