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2016-10-26ASoC: rsnd: clear SSI_SYS_STATUSx every timeKuninori Morimoto3-0/+36
Renesas sound SSIU has SSI_SYS_STATUS register whick will be changed if over/under run was occurred. Current rsnd driver is handling over/under run error on SSI/SRC, but doesn't on SSIU. HW guys can't guarantee correct behavior if it already had error bit on status register when it start. Thus, it should be cleared every start timing. This patch do it. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Mark Brown <broonie@kernel.org>
2016-10-26ASoC: rsnd: fixup SCU_SYS_STATUSx accessKuninori Morimoto1-2/+2
SCU_SYS_STATUSx is the register that writing 1 initializes the bit, and writing 0 is ignored. So, it should use rsnd_mod_write() instead of rsnd_mod_bset(), otherwise all bit will be cleared. Thanks Shimoda-san Reported-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Mark Brown <broonie@kernel.org>
2016-10-26ASoC: rsnd: rsnd_reg cleanup for SSIUKuninori Morimoto1-11/+13
R-Car Gen1 didn't have SSIU IP, and it was part of SRU. In Gen2, SSIU was created and it has original register. Let's cleanup rsnd_reg for SSIU, because this driver doesn't support Gen1 SRU any more. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Mark Brown <broonie@kernel.org>
2016-10-26ASoC: rsnd: remove "Gen2 only" commentKuninori Morimoto1-31/+31
Gen1 support had been removed. "Gen2 only" comment is no longer needed. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Mark Brown <broonie@kernel.org>
2016-10-26ASoC: rsnd: enable COMPILE_TESTKuninori Morimoto1-2/+2
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Mark Brown <broonie@kernel.org>
2016-10-26ASoC: rsnd: depends on OFKuninori Morimoto1-0/+1
Current Renesas sound driver is completely depends on CONFIG_OF Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Mark Brown <broonie@kernel.org>
2016-10-25ASoC: rsnd: add nolock_start/stop callbackKuninori Morimoto2-1/+40
Current Renesas Sound driver requests DMA channel when .probe timing, and release it when .remove timing. And use DMA on .start/.stop But, Audio DMAC power ON was handled when request timing (= .probe), and power OFF was when release timing (= .remove). This means Audio DMAC power is always ON during driver was enabled. To fixup this issue, it should request/release DMA channel on each playback/recorde timing. But, DMA channel request/release function uses mutex lock inside. This means it will breaks current spinlock's interrupt protect. To solve this issue, DMA channel request/release function needs to be called from non-spinlock area. This patch adds its callback. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Mark Brown <broonie@kernel.org>
2016-10-25ASoC: rsnd: don't call unneeded of_node_put() on dma.cKuninori Morimoto1-6/+4
Current rsnd_dmaen_start() is calling of_node_put() for np, but it is not needed if it goes through this loop. This patch tidyup it Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Mark Brown <broonie@kernel.org>
2016-10-25ASoC: rsnd: remove rsnd_dma_detach()Kuninori Morimoto3-14/+0
DMA mod is now connected to stream via rsnd_dai_connect(). This means DMA mod can use .remove for its clearance. rsnd_dma_detach() is no longer needed. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Mark Brown <broonie@kernel.org>
2016-10-25ASoC: rsnd: don't use devm_request_irq() for SSIKuninori Morimoto1-8/+9
SSI will use DMA mode, and migh be fallback to PIO mode. Using devm_request_irq() makes its operation more complex when it fallbacks to PIO mode. Let's use manual request_irq()/free_irq() Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Mark Brown <broonie@kernel.org>
2016-10-25ASoC: rsnd: remove non DT support for DMAKuninori Morimoto4-19/+9
Current Renesas Sound driver is based on DeviceTree, and no one is using this driver from non DT. Non-DT support is no longer needed. Let's remove it. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Mark Brown <broonie@kernel.org>
2016-10-24ASoC: rsnd: add rsnd_parse_of_node() and integrate rsnd_xxx_of_nodeKuninori Morimoto1-12/+18
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Mark Brown <broonie@kernel.org>
2016-10-24ASoC: rsnd: use for_each_rsnd_mod_xxx() on rsnd_rdai_continuance_probe()Kuninori Morimoto1-2/+3
Now, we have for_each_rsnd_mod(), let's use it Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Mark Brown <broonie@kernel.org>
2016-10-24ASoC: rsnd: use for_each_rsnd_mod_xxx() on rsnd_dai_call()Kuninori Morimoto1-40/+43
Current rsnd driver is using too complex macro for for-loop of each mod. rsnd_dai_call() is especially defined as very complex macro. It is easier to read just a little bit by using for_each_rsnd_mod_xxx() and new rsnd_status_update() Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Mark Brown <broonie@kernel.org>
2016-10-24ASoC: rsnd: add rsnd_mod_next() for for_each_rsnd_mod_xxx()Kuninori Morimoto2-0/+35
Current rsnd driver is using too complex macro for for-loop of each mod. In order to simplify this issue, this patch adds new rsnd_mod_next() which is non-macro. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Mark Brown <broonie@kernel.org>
2016-10-24ASoC: rsnd: amend .probe/.remove call for DPCMKuninori Morimoto4-9/+27
commit 1a5658c2131 ("ASoC: rsnd: count .probe/.remove for rsnd_mod_call()") solved multi-resource-free issue, by putting .probe/.remove under count control. But,it breaks sound mixing case (if it was used under DPCM). In such case, it uses MIXn/DVCn/SSIn, and these should be always probed. This patch reverted above patch, and solved the same issue by modifing _rsnd_kctrl_remove() function. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Mark Brown <broonie@kernel.org>
2016-10-24ASoC: rsnd: remove duplicate define of rsnd_dvc_of_node()Kuninori Morimoto1-2/+0
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Mark Brown <broonie@kernel.org>
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>
2016-10-13Enable previous version supportSteve French4-2/+72
Add ioctl to query previous versions of file Allows listing snapshots on files on SMB3 mounts. Signed-off-by: Steve French <smfrench@gmail.com>
2016-10-13Do not send SMB3 SET_INFO request if nothing is changingSteve French1-0/+6
[CIFS] We had cases where we sent a SMB2/SMB3 setinfo request with all timestamp (and DOS attribute) fields marked as 0 (ie do not change) e.g. on chmod or chown. Signed-off-by: Steve French <steve.french@primarydata.com> CC: Stable <stable@vger.kernel.org>
2016-10-13cpufreq: CPPC: Correct desired_perf calculationHoan Tran1-1/+7
The desired_perf is an abstract performance number. Its value should be in the range of [lowest perf, highest perf] of CPPC. The correct calculation is desired_perf = freq * cppc_highest_perf / cppc_dmi_max_khz And cppc_cpufreq_set_target() returns if desired_perf is exactly the same with the old perf. Signed-off-by: Hoan Tran <hotran@apm.com> Reviewed-by: Prashanth Prakash <pprakash@codeaurora.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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