- 05 Dec, 2016 21 commits
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Hans de Goede authored
On my Cherrytrail CUBE iwork8 Air tablet PIPE-A would get stuck on loading i915 at boot 1 out of every 3 boots, resulting in a non functional LCD. Once the i915 driver has successfully loaded, the panel can be disabled / enabled without hitting this issue. The getting stuck is caused by vlv_init_display_clock_gating() clearing the DPOUNIT_CLOCK_GATE_DISABLE bit in DSPCLK_GATE_D when called from chv_pipe_power_well_ops.enable() on driver load, while a pipe is enabled driving the DSI LCD by the BIOS. Clearing this bit while DSI is in use is a known issue and intel_dsi_pre_enable() / intel_dsi_post_disable() already set / clear it as appropriate. This commit modifies vlv_init_display_clock_gating() to leave the DPOUNIT_CLOCK_GATE_DISABLE bit alone fixing the pipe getting stuck. Changes in v2: -Replace PIPE-A with "a pipe" or "the pipe" in the commit msg and comment Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=97330 Cc: stable@vger.kernel.org Signed-off-by:
Hans de Goede <hdegoede@redhat.com> Reviewed-by:
Ville Syrjälä <ville.syrjala@linux.intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20161202142904.25613-1-hdegoede@redhat.comSigned-off-by:
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Ville Syrjälä authored
Rather than accessing crtc->config in vlv_compute_wm_level() let's pass in the crtc state explicitly. One step closer to atomic. Signed-off-by:
Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
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Ville Syrjälä authored
Add small helpers to make the intent of the staggered enable/disable sequence in vlv_program_watermarks() easier on the eyes. Signed-off-by:
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Ville Syrjälä authored
We'll want to decouple the vlv/chv wm register reprogramming from any single pipe. So let's just write all the DDL registers in one go. We already write all the wm registers anyway since the bits are sprinkled all over the place and so writing them for just a single pipe would have been too messy anyway. Signed-off-by:
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Ville Syrjälä authored
On VLV/CHV some of the watermark values are split across two registers: low order bits in one, and high order bits in another. So we may not be able to update a single watermark value atomically, and thus we must be careful that we don't temporarily introduce out of bounds values during the reprogramming. To prevent this we can simply zero out all the high order bits initially, then we update the low order bits, and finally we update the high order bits with the final value. Signed-off-by:
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Ville Syrjälä authored
Before we attempt to turn any planes on or off we must first exit csxr. That's due to cxsr effectively making the plane enable bits read-only. Currently we achieve that with a vblank wait right after toggling the cxsr enable bit. We do the vblank wait even if cxsr was already off, which seems wasteful, so let's try to only do it when absolutely necessary. We could start tracking the cxsr state fully somewhere, but for now it seems easiest to just have intel_set_memory_cxsr() return the previous cxsr state. Signed-off-by:
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Ville Syrjälä authored
Let's protect the cxsr state with the wm_mutex, since it might get poked from multiple places if there's a parallel plane update happening with a pipe getting enable/disabled. It's still pretty racy for the old platforms, but for vlv/chv it should work, I think. If not, we'll improve it later anyway. Signed-off-by:
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Ville Syrjälä authored
Passing dev_priv instead of dev is the future. Let's make the vlv/chv wm functions respect that idea. Signed-off-by:
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Ville Syrjälä authored
Add a small helper to do invert the vlv/chv values. Less fragile perhaps, and let's us clearly mark all overlarge wateramarks as disabled (by just making them all USHRT_MAX). Signed-off-by:
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Ville Syrjälä authored
Store the vlv/chv watermark values in straight up arrays indexed by enum plane_id. Avoids a lot of useless checks for the plane type when we don't have to think which structure member we need to access. Signed-off-by:
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Ville Syrjälä authored
The code for vlv and chv wm latency/function pointer setup is identical. Drop one of the copies. Signed-off-by:
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Ville Syrjälä authored
Let's compute the maxfifo watermarks using max() instead of min(). Can't even recall why I did it the other way originally. Anyways using max() avoids having to initialize the watermarks to the max value first. Signed-off-by:
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Ville Syrjälä authored
The watermark should never exceed the FIFO size, so we need to check against the current FIFO size instead of the theoretical maximum when we clamp the level 0 watermark. Signed-off-by:
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Ville Syrjälä authored
ilk_disable_lp_wm() will tell us whether the LP1+ watermarks were disabled or not, and hence whether we need to for the vblank wait or not. Let's use that information to eliminate some useless vblank waits. Signed-off-by:
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Ville Syrjälä authored
HSW+ all use the .initial_watermarks() hook, so there's no point in calling intel_update_watermarks() from HSW+ specific code. We'll still hang on to the .initial_watermarks NULL check since theoretically if the memory latencies are not populated we would not populate the function pointer either. Signed-off-by:
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Dhinakaran Pandiyan authored
Not validating the mode rate against max. link rate results in not pruning invalid modes. For e.g, a HBR2 5.4 Gbps 2-lane configuration does not support 4k@60Hz. But, we do not reject this mode. So, make use of the helpers in intel_dp to validate mode data rate against max. link data rate of a configuration. v3: Renamed local variables again for consistency (Manasi) v2: Renamed mode data rate local variable to be more explanatory. Signed-off-by:
Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/1479243546-17189-1-git-send-email-dhinakaran.pandiyan@intel.comSigned-off-by:
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Dhinakaran Pandiyan authored
We store DP link rates as link clock frequencies in kHz, just like all other clock values. But, DP link rates in the DP Spec. are expressed in Gbps/lane, which seems to have led to some confusion. E.g., for HBR2 Max. data rate = 5.4 Gbps/lane x 4 lane x 8/10 x 1/8 = 2160000 kBps where, 8/10 is for channel encoding and 1/8 is for bit to Byte conversion Using link clock frequency, like we do Max. data rate = 540000 kHz * 4 lanes = 2160000 kSymbols/s Because, each symbol has 8 bit of data, this is 2160000 kBps and there is no need to account for channel encoding here. But, currently we do 540000 kHz * 4 lanes * (8/10) = 1728000 kBps Similarly, while computing the required link bandwidth for a mode, there is a mysterious 1/10 term. This should simply be pixel_clock kHz * (bpp/8) to give the final result in kBps v2: Changed to DIV_ROUND_UP() and comment changes (Ville) Signed-off-by:
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Imre Deak authored
These char devices exposing the driver's I2C and DP-AUX adapters for user space tools are useful to debug display output related issues. Enable them with the rest of additional driver debug options. Suggested-by:
Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by:
Imre Deak <imre.deak@intel.com> Reviewed-by:
Jani Nikula <jani.nikula@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/1480696541-13697-1-git-send-email-imre.deak@intel.com
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Daniel Vetter authored
Resync, and we need all the fancy new drm_mm stuff to implement more efficient evict algorithms for softpin. Signed-off-by:Daniel Vetter <daniel.vetter@intel.com>
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Daniel Vetter authored
Signed-off-by:Daniel Vetter <daniel.vetter@ffwll.ch>
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Dave Airlie authored
Linux 4.9-rc8 Daniel requested this so we could apply some follow on fixes cleanly to -next.
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- 04 Dec, 2016 2 commits
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Linus Torvalds authored
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git://people.freedesktop.org/~airlied/linuxLinus Torvalds authored
Pull drm fixes from Dave Airlie: "A pretty small pull request: a couple of AMD powerxpress regression fixes and a power management fix, a couple of i915 fixes and one hdlcd fix, along with one core don't oops because of incorrect API usage fix" * tag 'drm-fixes-for-v4.9-rc8' of git://people.freedesktop.org/~airlied/linux: drm/i915: drop the struct_mutex when wedged or trying to reset drm/i915: Don't touch NULL sg on i915_gem_object_get_pages_gtt() error drm: Don't call drm_for_each_crtc with a non-KMS driver drm/radeon: fix check for port PM availability drm/amdgpu: fix check for port PM availability drm/amd/powerplay: initialize the soft_regs offset in struct smu7_hwmgr drm: hdlcd: Fix cleanup order
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- 03 Dec, 2016 4 commits
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Dave Airlie authored
Merge tag 'drm-intel-fixes-2016-12-01' of git://anongit.freedesktop.org/git/drm-intel into drm-fixes 2 intel fixes. * tag 'drm-intel-fixes-2016-12-01' of git://anongit.freedesktop.org/git/drm-intel: drm/i915: drop the struct_mutex when wedged or trying to reset drm/i915: Don't touch NULL sg on i915_gem_object_get_pages_gtt() error
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Linus Torvalds authored
Merge more fixes from Andrew Morton: "2 fixes" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: mm, vmscan: add cond_resched() into shrink_node_memcg() mm: workingset: fix NULL ptr in count_shadow_nodes
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Michal Hocko authored
Boris Zhmurov has reported RCU stalls during the kswapd reclaim: INFO: rcu_sched detected stalls on CPUs/tasks: 23-...: (22 ticks this GP) idle=92f/140000000000000/0 softirq=2638404/2638404 fqs=23 (detected by 4, t=6389 jiffies, g=786259, c=786258, q=42115) Task dump for CPU 23: kswapd1 R running task 0 148 2 0x00000008 Call Trace: shrink_node+0xd2/0x2f0 kswapd+0x2cb/0x6a0 mem_cgroup_shrink_node+0x160/0x160 kthread+0xbd/0xe0 __switch_to+0x1fa/0x5c0 ret_from_fork+0x1f/0x40 kthread_create_on_node+0x180/0x180 a closer code inspection has shown that we might indeed miss all the scheduling points in the reclaim path if no pages can be isolated from the LRU list. This is a pathological case but other reports from Donald Buczek have shown that we might indeed hit such a path: clusterd-989 [009] .... 118023.654491: mm_vmscan_direct_reclaim_end: nr_reclaimed=193 kswapd1-86 [001] dN.. 118023.987475: mm_vmscan_lru_isolate: isolate_mode=0 classzone=0 order=0 nr_requested=32 nr_scanned=4239830 nr_taken=0 file=1 kswapd1-86 [001] dN.. 118024.320968: mm_vmscan_lru_isolate: isolate_mode=0 classzone=0 order=0 nr_requested=32 nr_scanned=4239844 nr_taken=0 file=1 kswapd1-86 [001] dN.. 118024.654375: mm_vmscan_lru_isolate: isolate_mode=0 classzone=0 order=0 nr_requested=32 nr_scanned=4239858 nr_taken=0 file=1 kswapd1-86 [001] dN.. 118024.987036: mm_vmscan_lru_isolate: isolate_mode=0 classzone=0 order=0 nr_requested=32 nr_scanned=4239872 nr_taken=0 file=1 kswapd1-86 [001] dN.. 118025.319651: mm_vmscan_lru_isolate: isolate_mode=0 classzone=0 order=0 nr_requested=32 nr_scanned=4239886 nr_taken=0 file=1 kswapd1-86 [001] dN.. 118025.652248: mm_vmscan_lru_isolate: isolate_mode=0 classzone=0 order=0 nr_requested=32 nr_scanned=4239900 nr_taken=0 file=1 kswapd1-86 [001] dN.. 118025.984870: mm_vmscan_lru_isolate: isolate_mode=0 classzone=0 order=0 nr_requested=32 nr_scanned=4239914 nr_taken=0 file=1 [...] kswapd1-86 [001] dN.. 118084.274403: mm_vmscan_lru_isolate: isolate_mode=0 classzone=0 order=0 nr_requested=32 nr_scanned=4241133 nr_taken=0 file=1 this is minute long snapshot which didn't take a single page from the LRU. It is not entirely clear why only 1303 pages have been scanned during that time (maybe there was a heavy IRQ activity interfering). In any case it looks like we can really hit long periods without scheduling on non preemptive kernels so an explicit cond_resched() in shrink_node_memcg which is independent on the reclaim operation is due. Link: http://lkml.kernel.org/r/20161202095841.16648-1-mhocko@kernel.orgSigned-off-by:Michal Hocko <mhocko@suse.com> Reported-by:
Boris Zhmurov <bb@kernelpanic.ru> Tested-by:
Donald Buczek <buczek@molgen.mpg.de> Reported-by:
"Christopher S. Aker" <caker@theshore.net> Reported-by:
Paul Menzel <pmenzel@molgen.mpg.de> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Michal Hocko authored
Commit 0a6b76dd ("mm: workingset: make shadow node shrinker memcg aware") has made the workingset shadow nodes shrinker memcg aware. The implementation is not correct though because memcg_kmem_enabled() might become true while we are doing a global reclaim when the sc->memcg might be NULL which is exactly what Marek has seen: BUG: unable to handle kernel NULL pointer dereference at 0000000000000400 IP: [<ffffffff8122d520>] mem_cgroup_node_nr_lru_pages+0x20/0x40 PGD 0 Oops: 0000 [#1] SMP CPU: 0 PID: 60 Comm: kswapd0 Tainted: G O 4.8.10-12.pvops.qubes.x86_64 #1 task: ffff880011863b00 task.stack: ffff880011868000 RIP: mem_cgroup_node_nr_lru_pages+0x20/0x40 RSP: e02b:ffff88001186bc70 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88001186bd20 RCX: 0000000000000002 RDX: 000000000000000c RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffff88001186bc70 R08: 28f5c28f5c28f5c3 R09: 0000000000000000 R10: 0000000000006c34 R11: 0000000000000333 R12: 00000000000001f6 R13: ffffffff81c6f6a0 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff880013c00000(0000) knlGS:ffff880013d00000 CS: e033 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000400 CR3: 00000000122f2000 CR4: 0000000000042660 Call Trace: count_shadow_nodes+0x9a/0xa0 shrink_slab.part.42+0x119/0x3e0 shrink_node+0x22c/0x320 kswapd+0x32c/0x700 kthread+0xd8/0xf0 ret_from_fork+0x1f/0x40 Code: 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 3b 35 dd eb b1 00 55 48 89 e5 73 2c 89 d2 31 c9 31 c0 4c 63 ce 48 0f a3 ca 73 13 <4a> 8b b4 cf 00 04 00 00 41 89 c8 4a 03 84 c6 80 00 00 00 83 c1 RIP mem_cgroup_node_nr_lru_pages+0x20/0x40 RSP <ffff88001186bc70> CR2: 0000000000000400 ---[ end trace 100494b9edbdfc4d ]--- This patch fixes the issue by checking sc->memcg rather than memcg_kmem_enabled() which is sufficient because shrink_slab makes sure that only memcg aware shrinkers will get non-NULL memcgs and only if memcg_kmem_enabled is true. Fixes: 0a6b76dd ("mm: workingset: make shadow node shrinker memcg aware") Link: http://lkml.kernel.org/r/20161201132156.21450-1-mhocko@kernel.orgSigned-off-by:
Marek Marczykowski-Górecki <marmarek@mimuw.edu.pl> Tested-by:
Vladimir Davydov <vdavydov.dev@gmail.com> Acked-by:
Johannes Weiner <hannes@cmpxchg.org> Acked-by:
Balbir Singh <bsingharora@gmail.com> Cc: <stable@vger.kernel.org> [4.6+] Signed-off-by:
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- 02 Dec, 2016 13 commits
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Nicolas Pitre authored
When building a specific target such as bzImage, modules aren't normally built. However if CONFIG_TRIM_UNUSED_KSYMS is enabled, no built modules means none of the exported symbols are used and therefore they will all be trimmed away from the final kernel. A subsequent "make modules" will fail because modpost cannot find the needed symbols for those modules in the kernel binary. Let's make sure modules are also built whenever CONFIG_TRIM_UNUSED_KSYMS is enabled and that the kernel binary is properly rebuilt accordingly. Signed-off-by:
Nicolas Pitre <nico@linaro.org> Tested-by:
Jarod Wilson <jarod@redhat.com> Signed-off-by:
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-socLinus Torvalds authored
Pull ARM SoC fixes from Arnd Bergmann: "This should be the last set of bugfixes for arm-soc in v4.9. None of these are critical regressions, but it would be nice to still get them merged. - On the Juno platform, the idle latency was described wrong, leading to suboptimal cpuidle tuning. - Also on the same platform, PCI I/O space was set up incorrectly and could not work. - On the sti platform, a syntactically incorrect DT entry caused warnings. - The newly added 'gr8' platform has somewhat confusing file names, which we rename for consistency" * tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: arm64: dts: juno: fix cluster sleep state entry latency on all SoC versions arm64: dts: juno: Correct PCI IO window ARM: dts: STiH407-family: fix i2c nodes ARM: gr8: Rename the DTSI and relevant DTS -
Rodrigo Vivi authored
According to Bspec we need to "Poll for PORT_REF_DW3_A grc_done == 1b" only on ports B and C initialization sequence when copying rcomp from port A. So let's follow the spec and only poll for that case and not on every port A initialization. v2: Also remove the grc_done check from bxt_ddi_phy_is_enabled() otherwise it might believe it is disabled and force it to re program. Cc: Imre Deak <imre.deak@intel.com> Cc: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com> Signed-off-by:Rodrigo Vivi <rodrigo.vivi@intel.com> Reviewed-by:
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git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds authored
Pull networking fixes from David Miller: 1) Lots more phydev and probe error path leaks in various drivers by Johan Hovold. 2) Fix race in packet_set_ring(), from Philip Pettersson. 3) Use after free in dccp_invalid_packet(), from Eric Dumazet. 4) Signnedness overflow in SO_{SND,RCV}BUFFORCE, also from Eric Dumazet. 5) When tunneling between ipv4 and ipv6 we can be left with the wrong skb->protocol value as we enter the IPSEC engine and this causes all kinds of problems. Set it before the output path does any dst_output() calls, from Eli Cooper. 6) bcmgenet uses wrong device struct pointer in DMA API calls, fix from Florian Fainelli. 7) Various netfilter nat bug fixes from FLorian Westphal. 8) Fix memory leak in ipvlan_link_new(), from Gao Feng. 9) Locking fixes, particularly wrt. socket lookups, in l2tp from Guillaume Nault. 10) Avoid invoking rhash teardowns in atomic context by moving netlink cb->done() dump completion from a worker thread. Fix from Herbert Xu. 11) Buffer refcount problems in tun and macvtap on errors, from Jason Wang. 12) We don't set Kconfig symbol DEFAULT_TCP_CONG properly when the user selects BBR. Fix from Julian Wollrath. 13) Fix deadlock in transmit path on altera TSE driver, from Lino Sanfilippo. 14) Fix unbalanced reference counting in dsa_switch_tree, from Nikita Yushchenko. 15) tc_tunnel_key needs to be properly exported to userspace via uapi, fix from Roi Dayan. 16) rds_tcp_init_net() doesn't unregister notifier in error path, fix from Sowmini Varadhan. 17) Stale packet header pointer access after pskb_expand_head() in genenve driver, fix from Sabrina Dubroca. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (103 commits) net: avoid signed overflows for SO_{SND|RCV}BUFFORCE geneve: avoid use-after-free of skb->data tipc: check minimum bearer MTU net: renesas: ravb: unintialized return value sh_eth: remove unchecked interrupts for RZ/A1 net: bcmgenet: Utilize correct struct device for all DMA operations NET: usb: qmi_wwan: add support for Telit LE922A PID 0x1040 cdc_ether: Fix handling connection notification ip6_offload: check segs for NULL in ipv6_gso_segment. RDS: TCP: unregister_netdevice_notifier() in error path of rds_tcp_init_net Revert: "ip6_tunnel: Update skb->protocol to ETH_P_IPV6 in ip6_tnl_xmit()" ipv6: Set skb->protocol properly for local output ipv4: Set skb->protocol properly for local output packet: fix race condition in packet_set_ring net: ethernet: altera: TSE: do not use tx queue lock in tx completion handler net: ethernet: altera: TSE: Remove unneeded dma sync for tx buffers net: ethernet: stmmac: fix of-node and fixed-link-phydev leaks net: ethernet: stmmac: platform: fix outdated function header net: ethernet: stmmac: dwmac-meson8b: fix probe error path net: ethernet: stmmac: dwmac-generic: fix probe error path ... -
Eric Dumazet authored
CAP_NET_ADMIN users should not be allowed to set negative sk_sndbuf or sk_rcvbuf values, as it can lead to various memory corruptions, crashes, OOM... Note that before commit 82981930 ("net: cleanups in sock_setsockopt()"), the bug was even more serious, since SO_SNDBUF and SO_RCVBUF were vulnerable. This needs to be backported to all known linux kernels. Again, many thanks to syzkaller team for discovering this gem. Signed-off-by:
Eric Dumazet <edumazet@google.com> Reported-by:
Andrey Konovalov <andreyknvl@google.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Sabrina Dubroca authored
geneve{,6}_build_skb can end up doing a pskb_expand_head(), which makes the ip_hdr(skb) reference we stashed earlier stale. Since it's only needed as an argument to ip_tunnel_ecn_encap(), move this directly in the function call. Fixes: 08399efc ("geneve: ensure ECN info is handled properly in all tx/rx paths") Signed-off-by:Sabrina Dubroca <sd@queasysnail.net> Reviewed-by:
John W. Linville <linville@tuxdriver.com> Signed-off-by:
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Michal Kubeček authored
Qian Zhang (张谦) reported a potential socket buffer overflow in tipc_msg_build() which is also known as CVE-2016-8632: due to insufficient checks, a buffer overflow can occur if MTU is too short for even tipc headers. As anyone can set device MTU in a user/net namespace, this issue can be abused by a regular user. As agreed in the discussion on Ben Hutchings' original patch, we should check the MTU at the moment a bearer is attached rather than for each processed packet. We also need to repeat the check when bearer MTU is adjusted to new device MTU. UDP case also needs a check to avoid overflow when calculating bearer MTU. Fixes: b97bf3fd ("[TIPC] Initial merge") Signed-off-by:
Michal Kubecek <mkubecek@suse.cz> Reported-by:
Qian Zhang (张谦) <zhangqian-c@360.cn> Acked-by:
Ying Xue <ying.xue@windriver.com> Signed-off-by:
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David S. Miller authored
Merge tag 'linux-can-fixes-for-4.9-20161201' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can Marc Kleine-Budde says: ==================== pull-request: can 2016-12-02 this is a pull request for net/master. There are two patches by Stephane Grosjean, who adds support for the new PCAN-USB X6 USB interface to the pcan_usb driver. ==================== Signed-off-by:
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Dan Carpenter authored
We want to set the other "err" variable here so that we can return it later. My version of GCC misses this issue but I caught it with a static checker. Fixes: 9f70eb33 ("net: ethernet: renesas: ravb: fix fixed-link phydev leaks") Signed-off-by:
Dan Carpenter <dan.carpenter@oracle.com> Acked-by:
Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Reviewed-by:
Johan Hovold <johan@kernel.org> Signed-off-by:
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Chris Brandt authored
When streaming a lot of data and the RZ/A1 can't keep up, some status bits will get set that are not being checked or cleared which cause the following messages and the Ethernet driver to stop working. This patch fixes that issue. irq 21: nobody cared (try booting with the "irqpoll" option) handlers: [<c036b71c>] sh_eth_interrupt Disabling IRQ #21 Fixes: db893473 ("sh_eth: Add support for r7s72100") Signed-off-by:
Chris Brandt <chris.brandt@renesas.com> Acked-by:
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Florian Fainelli authored
__bcmgenet_tx_reclaim() and bcmgenet_free_rx_buffers() are not using the same struct device during unmap that was used for the map operation, which makes DMA-API debugging warn about it. Fix this by always using &priv->pdev->dev throughout the driver, using an identical device reference for all map/unmap calls. Fixes: 1c1008c7 ("net: bcmgenet: add main driver file") Signed-off-by:
Florian Fainelli <f.fainelli@gmail.com> Signed-off-by:
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Linus Torvalds authored
Ozgur Karatas reported that the very first entry in the CREDITS file had the wrong tag for name (M: instead of N: - it happened when moving the entry from the MAINTAINERS file, where 'M:' stands for "Maintainer"). And when I went looking, I found a couple of other cases of wrong tagging too. Reported-by:
Ozgur Karatas <mueddib@yandex.com> Signed-off-by:
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Daniele Palmas authored
This patch adds support for PID 0x1040 of Telit LE922A. The qmi adapter requires to have DTR set for proper working, so QMI_WWAN_QUIRK_DTR has been enabled. Signed-off-by:
Daniele Palmas <dnlplm@gmail.com> Acked-by:
Bjørn Mork <bjorn@mork.no> Signed-off-by:
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