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2020-03-10spi: update the structure documentationQiujun Huang
some members were not described in documentation. Signed-off-by: Qiujun Huang <hqjagain@gmail.com> Link: https://lore.kernel.org/r/1583774179-30736-1-git-send-email-hqjagain@gmail.com Signed-off-by: Mark Brown <broonie@kernel.org>
2020-03-10ASoC: soc-dapm: add for_each_card_widgets() macroKuninori Morimoto
To be more readable code, this patch adds new for_each_card_widgets() macro, and replace existing code to it. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com> Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Link: https://lore.kernel.org/r/87r1y2goga.wl-kuninori.morimoto.gx@renesas.com Signed-off-by: Mark Brown <broonie@kernel.org>
2020-03-10ASoC: soc-dapm: add for_each_card_dapms() macroKuninori Morimoto
To be more readable code, this patch adds new for_each_card_dapms() macro, and replace existing code to it. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com> Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Link: https://lore.kernel.org/r/87sgiigogf.wl-kuninori.morimoto.gx@renesas.com Signed-off-by: Mark Brown <broonie@kernel.org>
2020-03-10ASoC: soc.h: remove non plural form for_each_xxx macroKuninori Morimoto
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com> Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Link: https://lore.kernel.org/r/87tv2ygogl.wl-kuninori.morimoto.gx@renesas.com Signed-off-by: Mark Brown <broonie@kernel.org>
2020-03-10ASoC: soc.h: add for_each_rtd_codecs/cpus_dai() macroKuninori Morimoto
We are using plural form for for_each_xxx() macro. But, for_each_rtd_codec/cpu_dai() are out of this rule. This patch adds plural form macro. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com> Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Link: https://lore.kernel.org/r/8736aii326.wl-kuninori.morimoto.gx@renesas.com Signed-off-by: Mark Brown <broonie@kernel.org>
2020-03-10blk-mq: Fix a comment in include/linux/blk-mq.hBart Van Assche
The 'hctx_list' member of struct blk_mq_hw_ctx is not a list head but instead an entry in q->unused_hctx_list. Fix the comment above this struct member. Fixes: d386732bc142 ("blk-mq: fill header with kernel-doc") Signed-off-by: Bart Van Assche <bvanassche@acm.org> Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com> Cc: André Almeida <andrealmeid@collabora.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-03-10ASoC: soc-core: disable route checks for legacy devicesPierre-Louis Bossart
v5.4 changes in soc-core tightened the checks on soc_dapm_add_routes, which results in the ASoC card probe failing. Introduce a flag to be set in machine drivers to prevent the probe from stopping in case of incomplete topologies or missing routes. This flag is for backwards compatibility only and shall not be used for newer machine drivers. Example with an HDaudio card with a bad topology: [ 236.177898] skl_hda_dsp_generic skl_hda_dsp_generic: ASoC: Failed to add route iDisp1_out -> direct -> iDisp1 Tx [ 236.177902] skl_hda_dsp_generic skl_hda_dsp_generic: snd_soc_bind_card: snd_soc_dapm_add_routes failed: -19 with the disable_route_checks set: [ 64.031657] skl_hda_dsp_generic skl_hda_dsp_generic: ASoC: Failed to add route iDisp1_out -> direct -> iDisp1 Tx [ 64.031661] skl_hda_dsp_generic skl_hda_dsp_generic: snd_soc_bind_card: disable_route_checks set, ignoring errors on add_routes Fixes: daa480bde6b3a9 ("ASoC: soc-core: tidyup for snd_soc_dapm_add_routes()") Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Link: https://lore.kernel.org/r/20200309192744.18380-2-pierre-louis.bossart@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org>
2020-03-10i2c: smbus: remove outdated references to irq level triggersWolfram Sang
IRQ levels are now handled within the IRQ core. Remove the forgotten references from the documentation. Fixes: 9b9f2b8bc2ac ("i2c: i2c-smbus: Use threaded irq for smbalert") Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Reviewed-by: Luca Ceresoli <luca@lucaceresoli.net> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2020-03-10i2c: convert SMBus alert setup function to return an ERRPTRWolfram Sang
Only few drivers use this call, so drivers and I2C core are converted at once with this patch. By simply using i2c_new_client_device() instead of i2c_new_device(), we easily can return an ERRPTR for this function as well. To make out of tree users aware that something changed, the function is renamed to i2c_new_smbus_alert_device(). Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Reviewed-by: Luca Ceresoli <luca@lucaceresoli.net> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2020-03-10drm/bridge: synopsys: dw-hdmi: allow ycbcr420 modes for >= 0x200aNeil Armstrong
Now the DW-HDMI Controller supports the HDMI2.0 modes, enable support for these modes in the connector if the platform supports them. We limit these modes to DW-HDMI IP version >= 0x200a which are designed to support HDMI2.0 display modes. Signed-off-by: Neil Armstrong <narmstrong@baylibre.com> Reviewed-by: Andrzej Hajda <a.hajda@samsung.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Jernej Škrabec <jernej.skrabec@siol.net> Link: https://patchwork.freedesktop.org/patch/msgid/20200304104052.17196-6-narmstrong@baylibre.com
2020-03-10iommu/vt-d: Silence RCU-list debugging warningsQian Cai
Similar to the commit 02d715b4a818 ("iommu/vt-d: Fix RCU list debugging warnings"), there are several other places that call list_for_each_entry_rcu() outside of an RCU read side critical section but with dmar_global_lock held. Silence those false positives as well. drivers/iommu/intel-iommu.c:4288 RCU-list traversed in non-reader section!! 1 lock held by swapper/0/1: #0: ffffffff935892c8 (dmar_global_lock){+.+.}, at: intel_iommu_init+0x1ad/0xb97 drivers/iommu/dmar.c:366 RCU-list traversed in non-reader section!! 1 lock held by swapper/0/1: #0: ffffffff935892c8 (dmar_global_lock){+.+.}, at: intel_iommu_init+0x125/0xb97 drivers/iommu/intel-iommu.c:5057 RCU-list traversed in non-reader section!! 1 lock held by swapper/0/1: #0: ffffffffa71892c8 (dmar_global_lock){++++}, at: intel_iommu_init+0x61a/0xb13 Signed-off-by: Qian Cai <cai@lca.pw> Acked-by: Lu Baolu <baolu.lu@linux.intel.com> Signed-off-by: Joerg Roedel <jroedel@suse.de>
2020-03-10Merge 5.6-rc5 into tty-nextGreg Kroah-Hartman
We need the vt fixes in here and it resolves a merge issue with drivers/tty/vt/selection.c Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-10Merge 5.6-rc5 into usb-nextGreg Kroah-Hartman
We need the USB fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-09net: stmmac: Integrate it with DesignWare XPCSJose Abreu
Adds all the necessary logic so that stmmac can be used with Synopsys DesignWare XPCS. Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-09net: phy: Add Synopsys DesignWare XPCS MDIO moduleJose Abreu
Synopsys DesignWare XPCS is an MMD that can manage link status, auto-negotiation, link training, ... In this commit we add basic support for XPCS using USXGMII interface and Clause 73 Auto-negotiation. This is highly tied with PHYLINK and can't be used without it. A given ethernet driver can use the provided callbacks to add the support for XPCS. Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-09Merge tag 'mlx5-updates-2020-03-09' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux Saeed Mahameed says: ==================== mlx5-updates-2020-03-09 This series provides updates to mlx5 driver: 1) Use vport metadata matching only when mandatory 2) Introduce root flow table and ethtool steering for uplink representors 3) Expose port speed via FW when link modes are not available 3) Misc cleanups ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-09net: mscc: ocelot: properly account for VLAN header length when setting MRUVladimir Oltean
What the driver writes into MAC_MAXLEN_CFG does not actually represent VLAN_ETH_FRAME_LEN but instead ETH_FRAME_LEN + ETH_FCS_LEN. Yes they are numerically equal, but the difference is important, as the switch treats VLAN-tagged traffic specially and knows to increase the maximum accepted frame size automatically. So it is always wrong to account for VLAN in the MAC_MAXLEN_CFG register. Unconditionally increase the maximum allowed frame size for double-tagged traffic. Accounting for the additional length does not mean that the other VLAN membership checks aren't performed, so there's no harm done. Also, stop abusing the MTU name for configuring the MRU. There is no support for configuring the MRU on an interface at the moment. Fixes: a556c76adc05 ("net: mscc: Add initial Ocelot switch support") Fixes: fa914e9c4d94 ("net: mscc: ocelot: create a helper for changing the port MTU") Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-09tcp: add bytes not sent to SCM_TIMESTAMPING_OPT_STATSYousuk Seung
Add TCP_NLA_BYTES_NOTSENT to SCM_TIMESTAMPING_OPT_STATS that reports bytes in the write queue but not sent. This is the same metric as what is exported with tcp_info.tcpi_notsent_bytes. Signed-off-by: Yousuk Seung <ysseung@google.com> Signed-off-by: Eric Dumazet <edumazet@google.com> Acked-by: Soheil Hassas Yeganeh <soheil@google.com> Acked-by: Yuchung Cheng <ycheng@google.com> Acked-by: Neal Cardwell <ncardwell@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-09Merge branch 'mlx5-next' of ↵Saeed Mahameed
git://git.kernel.org/pub/scm/linux/kernel/git/mellanox/linux This series adds some HW bits and definitions for mlx5 driver, to be used by downstream features in both rdma and netdev branches. * 'mlx5-next' of git://git.kernel.org/pub/scm/linux/kernel/git/mellanox/linux: net/mlx5: HW bit for goto chain offload support net/mlx5: Expose link speed directly net/mlx5: Introduce TLS and IPSec objects enums net/mlx5: Introduce egress acl forward-to-vport capability net/mlx5: Expose raw packet pacing APIs net/mlx5e: Replace zero-length array with flexible-array member net/mlx5: fix spelling mistake "reserverd" -> "reserved" Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2020-03-09dt-bindings: clock: Add SM8250 GCC clock bindingsTaniya Das
Add device tree bindings for global clock controller on SM8250 SoCs. Signed-off-by: Taniya Das <tdas@codeaurora.org> Signed-off-by: Venkata Narendra Kumar Gutta <vnkgutta@codeaurora.org> Signed-off-by: Vinod Koul <vkoul@kernel.org> Link: https://lkml.kernel.org/r/20200224045003.3783838-5-vkoul@kernel.org Reviewed-by: Rob Herring <robh@kernel.org> Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org> Tested-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2020-03-09bpf: Add sockmap hooks for UDP socketsLorenz Bauer
Add basic psock hooks for UDP sockets. This allows adding and removing sockets, as well as automatic removal on unhash and close. Signed-off-by: Lorenz Bauer <lmb@cloudflare.com> Signed-off-by: Jakub Sitnicki <jakub@cloudflare.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: John Fastabend <john.fastabend@gmail.com> Link: https://lore.kernel.org/bpf/20200309111243.6982-8-lmb@cloudflare.com
2020-03-09bpf: sockmap: Move generic sockmap hooks from BPF TCPLorenz Bauer
The init, close and unhash handlers from TCP sockmap are generic, and can be reused by UDP sockmap. Move the helpers into the sockmap code base and expose them. This requires tcp_bpf_get_proto and tcp_bpf_clone to be conditional on BPF_STREAM_PARSER. The moved functions are unmodified, except that sk_psock_unlink is renamed to sock_map_unlink to better match its behaviour. Signed-off-by: Lorenz Bauer <lmb@cloudflare.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Reviewed-by: Jakub Sitnicki <jakub@cloudflare.com> Acked-by: John Fastabend <john.fastabend@gmail.com> Link: https://lore.kernel.org/bpf/20200309111243.6982-6-lmb@cloudflare.com
2020-03-09bpf: tcp: Guard declarations with CONFIG_NET_SOCK_MSGLorenz Bauer
tcp_bpf.c is only included in the build if CONFIG_NET_SOCK_MSG is selected. The declaration should therefore be guarded as such. Signed-off-by: Lorenz Bauer <lmb@cloudflare.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Reviewed-by: Jakub Sitnicki <jakub@cloudflare.com> Acked-by: John Fastabend <john.fastabend@gmail.com> Link: https://lore.kernel.org/bpf/20200309111243.6982-5-lmb@cloudflare.com
2020-03-09bpf: tcp: Move assertions into tcp_bpf_get_protoLorenz Bauer
We need to ensure that sk->sk_prot uses certain callbacks, so that code that directly calls e.g. tcp_sendmsg in certain corner cases works. To avoid spurious asserts, we must to do this only if sk_psock_update_proto has not yet been called. The same invariants apply for tcp_bpf_check_v6_needs_rebuild, so move the call as well. Doing so allows us to merge tcp_bpf_init and tcp_bpf_reinit. Signed-off-by: Lorenz Bauer <lmb@cloudflare.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Reviewed-by: Jakub Sitnicki <jakub@cloudflare.com> Acked-by: John Fastabend <john.fastabend@gmail.com> Link: https://lore.kernel.org/bpf/20200309111243.6982-4-lmb@cloudflare.com
2020-03-09skmsg: Update saved hooks only onceLorenz Bauer
Only update psock->saved_* if psock->sk_proto has not been initialized yet. This allows us to get rid of tcp_bpf_reinit_sk_prot. Signed-off-by: Lorenz Bauer <lmb@cloudflare.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Reviewed-by: Jakub Sitnicki <jakub@cloudflare.com> Acked-by: John Fastabend <john.fastabend@gmail.com> Link: https://lore.kernel.org/bpf/20200309111243.6982-3-lmb@cloudflare.com
2020-03-09bpf: sockmap: Only check ULP for TCP socketsLorenz Bauer
The sock map code checks that a socket does not have an active upper layer protocol before inserting it into the map. This requires casting via inet_csk, which isn't valid for UDP sockets. Guard checks for ULP by checking inet_sk(sk)->is_icsk first. Signed-off-by: Lorenz Bauer <lmb@cloudflare.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Reviewed-by: Jakub Sitnicki <jakub@cloudflare.com> Acked-by: John Fastabend <john.fastabend@gmail.com> Link: https://lore.kernel.org/bpf/20200309111243.6982-2-lmb@cloudflare.com
2020-03-09Merge branch 'for-linus' into for-nextTakashi Iwai
Back-merge of 5.6 devel branch for further changes in 5.7 cycle Signed-off-by: Takashi Iwai <tiwai@suse.de>
2020-03-09drm/scheduler: implement a function to modify sched listNirmoy Das
Implement drm_sched_entity_modify_sched() which modifies existing sched_list with a different one. This is going to be helpful when userspace changes priority of a ctx/entity then the driver can switch to the corresponding HW scheduler list for that priority. Signed-off-by: Nirmoy Das <nirmoy.das@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2020-03-09include: linux: firmware: Correct config dependency of zynqmp_eemi_opsTejas Patel
zynqmp_eemi_ops will be compiled only when CONFIG_ZYNQMP_FIRMWARE is enabled. So check for CONFIG_ZYNQMP_FIRMWARE instead of checking for CONFIG_ARCH_ZYNQMP. Signed-off-by: Tejas Patel <tejas.patel@xilinx.com> Signed-off-by: Jolly Shah <jolly.shah@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2020-03-09mtd: spinand: rework detect procedure for different READ_ID operationChuanhong Guo
Currently there are 3 different variants of read_id implementation: 1. opcode only. Found in GD5FxGQ4xF. 2. opcode + 1 addr byte. Found in GD5GxGQ4xA/E 3. opcode + 1 dummy byte. Found in other currently supported chips. Original implementation was for variant 1 and let detect function of chips with variant 2 and 3 to ignore the first byte. This isn't robust: 1. For chips of variant 2, if SPI master doesn't keep MOSI low during read, chip will get a random id offset, and the entire id buffer will shift by that offset, causing detect failure. 2. For chips of variant 1, if it happens to get a devid that equals to manufacture id of variant 2 or 3 chips, it'll get incorrectly detected. This patch reworks detect procedure to address problems above. New logic do detection for all variants separatedly, in 1-2-3 order. Since all current detect methods do exactly the same id matching procedure, unify them into core.c and remove detect method from manufacture_ops. Tested on GD5F1GQ4UAYIG and W25N01GVZEIG. Signed-off-by: Chuanhong Guo <gch981213@gmail.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/20200208074439.146296-1-gch981213@gmail.com
2020-03-09dio: Remove unused dio_dev_driver()Geert Uytterhoeven
This function was never used. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Link: https://lore.kernel.org/r/20200112165613.20960-4-geert@linux-m68k.org
2020-03-09dio: Make dio_match_device() staticGeert Uytterhoeven
Unlike its PCI counterpart, dio_match_device() was never used outside the DIO bus code. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Link: https://lore.kernel.org/r/20200112165613.20960-2-geert@linux-m68k.org
2020-03-09zorro: Move zorro_bus_type to bus-private header fileGeert Uytterhoeven
zorro_bus_type was never used outside the Zorro bus code. Hence move it from the public to the bus-private header file. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Link: https://lore.kernel.org/r/20200112164949.20196-6-geert@linux-m68k.org
2020-03-09zorro: Remove unused zorro_dev_driver()Geert Uytterhoeven
This function was never used. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Link: https://lore.kernel.org/r/20200112164949.20196-5-geert@linux-m68k.org
2020-03-09zorro: Make zorro_match_device() staticGeert Uytterhoeven
Unlike its PCI counterpart, zorro_match_device() was never used outside the Zorro bus code. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Link: https://lore.kernel.org/r/20200112164949.20196-2-geert@linux-m68k.org
2020-03-09Merge 5.6-rc5 into driver-core-nextGreg Kroah-Hartman
We need the driver core and debugfs changes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-08remoteproc: add IPA notification to q6v5 driverAlex Elder
Set up a subdev in the q6v5 modem remoteproc driver that generates event notifications for the IPA driver to use for initialization and recovery following a modem shutdown or crash. A pair of new functions provides a way for the IPA driver to register and deregister a notification callback function that will be called whenever modem events (about to boot, running, about to shut down, etc.) occur. A void pointer value (provided by the IPA driver at registration time) and an event type are supplied to the callback function. One event, MODEM_REMOVING, is signaled whenever the q6v5 driver is about to remove the notification subdevice. It requires the IPA driver de-register its callback. This sub-device is only used by the modem subsystem (MSS) driver, so the code that adds the new subdev and allows registration and deregistration of the notifier is found in "qcom_q6v6_mss.c". Signed-off-by: Alex Elder <elder@linaro.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-08inet_diag: return classid for all socket typesDmitry Yakunin
In commit 1ec17dbd90f8 ("inet_diag: fix reporting cgroup classid and fallback to priority") croup classid reporting was fixed. But this works only for TCP sockets because for other socket types icsk parameter can be NULL and classid code path is skipped. This change moves classid handling to inet_diag_msg_attrs_fill() function. Also inet_diag_msg_attrs_size() helper was added and addends in nlmsg_new() were reordered to save order from inet_sk_diag_fill(). Fixes: 1ec17dbd90f8 ("inet_diag: fix reporting cgroup classid and fallback to priority") Signed-off-by: Dmitry Yakunin <zeil@yandex-team.ru> Reviewed-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-08sched: act: allow user to specify type of HW stats for a filterJiri Pirko
Currently, user who is adding an action expects HW to report stats, however it does not have exact expectations about the stats types. That is aligned with TCA_ACT_HW_STATS_TYPE_ANY. Allow user to specify the type of HW stats for an action and require it. Pass the information down to flow_offload layer. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-08flow_offload: introduce "disabled" HW stats type and allow it in mlxswJiri Pirko
Introduce new type for disabled HW stats and allow the value in mlxsw offload. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-08flow_offload: introduce "delayed" HW stats type and allow it in mlx5Jiri Pirko
Introduce new type for delayed HW stats and allow the value in mlx5 offload. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-08flow_offload: introduce "immediate" HW stats type and allow it in mlxswJiri Pirko
Introduce new type for immediate HW stats and allow the value in mlxsw offload. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-08flow_offload: check for basic action hw stats typeJiri Pirko
Introduce flow_action_basic_hw_stats_types_check() helper and use it in drivers. That sanitizes the drivers which do not have support for action HW stats types. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-08flow_offload: Introduce offload of HW stats typeJiri Pirko
Initially, pass "ANY" (struct is zeroed) to the drivers as that is the current implicit value coming down to flow_offload. Add a bool indicating that entries have mixed HW stats type. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-08iio: industrialio-core: Fix debugfs readAlexandru Tachici
Currently iio_debugfs_read_reg calls debugfs_reg_access every time it is ran. Reading the same hardware register multiple times during the same reading of a debugfs file can cause unintended effects. For example for each: cat iio:device0/direct_reg_access the file_operations.read function will be called at least twice. First will return the full length of the string in bytes and the second will return 0. This patch makes iio_debugfs_read_reg to call debugfs_reg_access only when the user's buffer position (*ppos) is 0. (meaning it is the beginning of a new reading of the debugfs file). Fixes: e553f182d55b ("staging: iio: core: Introduce debugfs support, add support for direct register access") Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com> Signed-off-by: Alexandru Tachici <alexandru.tachici@analog.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-03-08iio: imu: adis: add a note better explaining state_lockAlexandru Ardelean
The 'state_lock' mutex was renamed from 'txrx_lock' in a previous patch and is intended to be used by ADIS drivers to protect the state of devices during consecutive R/W ops. The initial patch that introduced this change did not do a good [well, any] job at explaining this. This patch adds a comment to the 'state_lock' better explaining it's use. Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-03-08iio: imu: adis: update 'adis_data' struct doc-stringAlexandru Ardelean
The doc-string has been neglected over time. This change updates it with all the missing info. Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-03-08iio: imu: adis: add doc-string for 'adis' structAlexandru Ardelean
This change adds a doc-string for the 'adis' struct. It details the fields and their roles. Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-03-08iio: imu: adis: add support product ID check in adis_initial_startupAlexandru Ardelean
Each driver/chip that wants to validate it's product id, can now specify a 'prod_id_reg' and an expected 'prod_id' value. The 'prod_id' value is intentionally left 0 (uninitialized). There aren't (yet) any product IDs with value 0; this enforces that both 'prod_id_reg' and 'prod_id' are specified. At the very least, this routine validates that the SPI connection to the ADIS chip[s] works well. Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-03-08iio: imu: adis: Add self_test_reg variableNuno Sá
This patch adds a dedicated self_test_reg variable. This is also a step to let new drivers make use of `adis_initial_startup()`. Some devices use MSG_CTRL reg to request a self_test command while others use the GLOB_CMD register. Signed-off-by: Nuno Sá <nuno.sa@analog.com> Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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