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2017-08-30Bluetooth: Add option for disabling legacy ioctl interfacesMarcel Holtmann2-0/+16
The legacy ioctl interfaces are only useful for BR/EDR operation and since Linux 3.4 no longer needed anyway. This options allows disabling them alltogether and use only management interfaces for setup and control. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2017-08-25ieee802154: 6lowpan: make header_ops constBhumika Goyal1-1/+1
Make this const as it is only stored as a reference in a const field of a net_device structure. Signed-off-by: Bhumika Goyal <bhumirks@gmail.com> Acked-by: Stefan Schmidt <stefan@osg.samsung.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2017-08-20ieee802154: ca8210: Fix a potential NULL pointer dereferenceChristophe JAILLET1-4/+1
'spi' is known to be NULL, so we dereference a NULL pointer here. Use 'pr_crit()' instead of 'dev_crit()' to report the message. Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2017-08-19Bluetooth: make device_type constBhumika Goyal1-2/+2
Make these const as they are only stored in the type field of a device structure, which is const. Done using Coccinelle. Signed-off-by: Bhumika Goyal <bhumirks@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2017-08-19Merge branch 'amd-xgbe-next'David S. Miller12-353/+1158
Tom Lendacky says: ==================== amd-xgbe: AMD XGBE driver updates 2017-08-17 The following updates are included in this driver update series: - Set the MDIO mode to clause 45 for the 10GBase-T configuration - Set the MII control width to 8-bits for speeds less than 1Gbps - Fix an issue to related to module removal when the devices are up - Fix ethtool statistics related to packet counting of TSO packets - Add support for device renaming - Add additional dynamic debug output for the PCS window calculation - Optimize reading of DMA channel interrupt enablement register - Add additional dynamic debug output about the hardware features - Add per queue Tx and Rx ethtool statistics - Add a macro to clear ethtool_link_ksettings modes - Convert the driver to use the ethtool_link_ksettings - Add support for VXLAN offload capabilities - Add additional ethtool statistics related to VXLAN This patch series is based on net-next. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-19amd-xgbe: Add additional ethtool statisticsLendacky, Thomas3-1/+16
Add some additional statistics for tracking VXLAN packets and checksum errors. Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-19amd-xgbe: Add support for VXLAN offload capabilitiesLendacky, Thomas5-6/+520
The hardware has the capability to perform checksum offload support (both Tx and Rx) and TSO support for VXLAN packets. Add the support required to enable this. The hardware can only support a single VXLAN port for offload. If more than one VXLAN port is added then the offload capabilities have to be disabled and can no longer be advertised. Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-19amd-xgbe: Convert to using the new link mode settingsLendacky, Thomas5-242/+345
Convert from using the old u32 supported, advertising, etc. link settings to the new link mode settings that support bit positions / settings greater than 32 bits. Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-19net: ethtool: Add macro to clear a link mode settingLendacky, Thomas1-0/+11
There are currently macros to set and test an ETHTOOL_LINK_MODE_ setting, but not to clear one. Add a macro to clear an ETHTOOL_LINK_MODE_ setting. Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-19amd-xgbe: Add per queue Tx and Rx statisticsLendacky, Thomas3-8/+46
Add per queue Tx and Rx packet and byte counts. Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-19amd-xgbe: Add hardware features debug outputLendacky, Thomas1-3/+75
Use the dynamic debug support to output information about the hardware features reported by the device. Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-19amd-xgbe: Optimize DMA channel interrupt enablementLendacky, Thomas2-44/+37
Currently whenever the driver needs to enable or disable interrupts for a DMA channel it reads the interrupt enable register (IER), updates the value and then writes the new value back to the IER. Since the hardware does not change the IER, software can track this value and elimiate the need to read it each time. Add the IER value to the channel related data structure and use that as the base for enabling and disabling interrupts, thus removing the need for the MMIO read. Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-19amd-xgbe: Add additional dynamic debug messagesLendacky, Thomas1-0/+4
Add some additional dynamic debug message to the driver. The new messages will provide additional information about the PCS window calculation. Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-19amd-xgbe: Add support to handle device renamingLendacky, Thomas4-46/+100
Many of the names used by the driver are based upon the name of the device found during device probe. Move the formatting of the names into the device open function so that any renaming that occurs before the device is brought up will be accounted for. This also means moving the creation of some named workqueues into the device open path. Add support to register for net events so that if a device is renamed the corresponding debugfs directory can be renamed. Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-19amd-xgbe: Update TSO packet statistics accuracyLendacky, Thomas1-1/+1
When transmitting a TSO packet, the driver only increments the TSO packet statistic by one rather than the number of total packets that were sent. Update the driver to record the total number of packets that resulted from TSO transmit. Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-19amd-xgbe: Be sure driver shuts down cleanly on module removalLendacky, Thomas2-4/+2
Sometimes when the driver is being unloaded while the devices are still up the driver can issue errors. This is based on timing and the double invocation of some routines. The phy_exit() call needs to be run after the network device has been closed and unregistered from the system. Also, the phy_exit() does not need to invoke phy_stop() since that will be called as part of the device closing, so remove that call. Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-19amd-xgbe: Set the MII control width for the MAC interfaceLendacky, Thomas2-0/+3
When running in SGMII mode at speeds below 1000Mbps, the auto-negotition control register must set the MII control width for the MAC interface to be 8-bits wide. By default the width is 4-bits. Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-19amd-xgbe: Set the MDIO mode for 10000Base-T configurationLendacky, Thomas1-1/+1
Currently the MDIO mode is set to none for the 10000Base-T, which is incorrect. The MDIO mode should for this configuration should be clause 45. Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-19mlx5: ensure 0 is returned when vport is zeroColin Ian King1-1/+1
Currently, if vport is zero then then an uninialized return status in err is returned. Since the only return status at the end of the function esw_add_uc_addr is zero for the current set of return paths we may as well just return 0 rather than err to fix this issue. Detected by CoverityScan, CID#1452698 ("Uninitialized scalar variable") Fixes: eeb66cdb6826 ("net/mlx5: Separate between E-Switch and MPFS") Signed-off-by: Colin Ian King <colin.king@canonical.com> Reviewed-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-19bpf: Fix map-in-map checking in the verifierMartin KaFai Lau1-0/+1
In check_map_func_compatibility(), a 'break' has been accidentally removed for the BPF_MAP_TYPE_ARRAY_OF_MAPS and BPF_MAP_TYPE_HASH_OF_MAPS cases. This patch adds it back. Fixes: 174a79ff9515 ("bpf: sockmap with sk redirect support") Cc: John Fastabend <john.fastabend@gmail.com> Signed-off-by: Martin KaFai Lau <kafai@fb.com> Acked-by: Alexei Starovoitov <ast@kernel.org> Acked-by: John Fastabend <john.fastabend@gmail.com> Acked-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-19Merge branch 'xdp-adjust-xdp-redirect-tracepoint'David S. Miller3-12/+20
Jesper Dangaard Brouer says: ==================== xdp: adjust xdp redirect tracepoint Working on streamlining the tracepoints for XDP. The eBPF programs and XDP have no flow-control or queueing. Investigating using tracepoint to provide a feedback on XDP_REDIRECT xmit overflow events. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-19xdp: adjust xdp redirect tracepoint to include return error codeJesper Dangaard Brouer2-11/+19
The return error code need to be included in the tracepoint xdp:xdp_redirect, else its not possible to distinguish successful or failed XDP_REDIRECT transmits. XDP have no queuing mechanism. Thus, it is fairly easily to overrun a NIC transmit queue. The eBPF program invoking helpers (bpf_redirect or bpf_redirect_map) to redirect a packet doesn't get any feedback whether the packet was actually transmitted. Info on failed transmits in the tracepoint xdp:xdp_redirect, is interesting as this opens for providing a feedback-loop to the receiving XDP program. Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-19ixgbe: change ndo_xdp_xmit return code on xmit errorsJesper Dangaard Brouer1-1/+1
Use errno -ENOSPC ("No space left on device") when the XDP xmit have no space left on the TX ring buffer, instead of -ENOMEM. Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com> Acked-by: John Fastabend <john.fastabend@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-19liquidio: remove support for deprecated f/w cmd OCTNET_CMD_RESET_PFRick Farrington2-10/+0
Signed-off-by: Rick Farrington <ricardo.farrington@cavium.com> Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-19net: inet: diag: expose sockets cgroup classidLevin, Alexander (Sasha Levin)2-0/+12
This is useful for directly looking up a task based on class id rather than having to scan through all open file descriptors. Signed-off-by: Sasha Levin <alexander.levin@verizon.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-19macvlan: add offload features for encapsulationDimitris Michailidis1-1/+2
Currently macvlan devices do not set their hw_enc_features making encapsulated Tx packets resort to SW fallbacks. Add encapsulation GSO offloads to ->features as is done for the other GSOs and set ->hw_enc_features. Signed-off-by: Dimitris Michailidis <dmichail@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-19liquidio: fix Smatch errorIntiyaz Basha1-2/+2
Fix Smatch error by not dereferencing iq pointer if it's NULL. See http://marc.info/?l=kernel-janitors&m=150296723301129&w=2 Also, remove unnecessary parentheses. Fixes: d314ac222829 ("liquidio: moved liquidio_napi_poll to lio_core.c") Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Intiyaz Basha <intiyaz.basha@cavium.com> Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-19ipv4: convert dst_metrics.refcnt from atomic_t to refcount_tEric Dumazet4-8/+9
refcount_t type and corresponding API should be used instead of atomic_t when the variable is used as a reference counter. This allows to avoid accidental refcounter overflows that might lead to use-after-free situations. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-18Merge branch 'for-upstream' of ↵David S. Miller8-66/+238
git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next Johan Hedberg says: ==================== pull request: bluetooth-next 2017-08-18 Here's one more bluetooth-next pull request for the 4.14 kernel: - Multiple fixes for Broadcom controllers - Fixes to the bluecard HCI driver - New USB ID for Realtek RTL8723BE controller - Fix static analyzer warning with kfree Please let me know if there are any issues pulling. Thanks. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-18ipv6: fix false-postive maybe-uninitialized warningArnd Bergmann1-2/+4
Adding a lock around one of the assignments prevents gcc from tracking the state of the local 'fibmatch' variable, so it can no longer prove that 'dst' is always initialized, leading to a bogus warning: net/ipv6/route.c: In function 'inet6_rtm_getroute': net/ipv6/route.c:3659:2: error: 'dst' may be used uninitialized in this function [-Werror=maybe-uninitialized] This moves the other assignment into the same lock to shut up the warning. Fixes: 121622dba8da ("ipv6: route: make rtm_getroute not assume rtnl is locked") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-18Merge branch 'hns3-bug-fixes'David S. Miller2-41/+60
Salil Mehta says: ==================== Misc. Bug fixes for HNS3 Ethernet Driver This patch-set fixes various bugs reported by community. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-18net: hns3: Fixes the static check warning due to missing unsupp L3 proto checkSalil1-4/+10
This patch fixes the static check warning due to missing handling leg of unsupported L3 protocol type in the hns3_get_l4_protocol() function. Fixes: 76ad4f0ee747 ("net: hns3: Add support of HNS3 Ethernet Driver for hip08 SoC") Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Salil Mehta <salil.mehta@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-18net: hns3: Fixes the static checker error warning in hns3_get_link_ksettings()Salil1-37/+48
This patch fixes the static check error warning in hns3_get_link_ksettings() function by re-arranging the code. Fixes: 496d03e960ae ("net: hns3: Add Ethtool support to HNS3 Driver") Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Salil Mehta <salil.mehta@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-18net: hns3: Fixes the missing u64_stats_fetch_begin_irq in 64-bit stats fetchSalil1-0/+2
This patch fixes the missing u64_stats_fetch_begin_irq() while trying to atomically do 64-bit RX/TX fetch. We did not get any error during test as our SoC is 64-bit so all of these seq/lock operations results in NOOP. As such, this seq lock supports has been added for the sake of completion if this code ever runs on 32-bit platform and we are trying to do 64-bit stats fetch. Fixes: 76ad4f0ee747 ("net: hns3: Add support of HNS3 Ethernet Driver for hip08 SoC") Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Salil Mehta <salil.mehta@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-18net/sched: Fix the logic error to decide the ingress qdiscChris Mi6-6/+6
The offending commit used a newly added helper function. But the logic is wrong. Without this fix, the affected NICs can't do HW offload. Error -EOPNOTSUPP will be returned directly. Fixes: a2e8da9378cc ("net/sched: use newly added classid identity helpers") Signed-off-by: Chris Mi <chrism@mellanox.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-18Merge branch 's390-qeth-next'David S. Miller4-141/+206
Julian Wiedmann says: ==================== s390/net: more updates for 4.14 please apply another batch of qeth patches for net-next. This reworks the xmit path for L2 OSAs to use skb_cow_head() instead of skb_realloc_headroom(). ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-18s390/qeth: use skb_cow_head() for L2 OSA xmitJulian Wiedmann3-22/+65
Taking a full copy via skb_realloc_headroom() on every xmit is overkill and wastes CPU time; all we actually need is to push on the qeth_hdr. So rework the L2 OSA TX path to avoid the copy. Minor complications arise because struct qeth_hdr must not cross a page boundary. So add a new helper qeth_push_hdr() that catches this, and falls back to the hdr cache that we already use for IQDs. This change uncovered that qeth's TX completion takes rather long. Now that we no longer free the original skb straight away and thus call skb->destructor later than before, throughput regresses significantly. For now, restore old behaviour by adding an explicit skb_orphan(), and a big TODO to improve the TX completion time. Tested-by: Nils Hoppmann <niho@de.ibm.com> Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-18s390/qeth: unify code to build header elementsJulian Wiedmann1-14/+15
After plenty of refactoring, use hd_len as single indication that the skb needs a dedicated header element. This preserves existing behaviour for TSO, as 'hdr' always points to skb->data. Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-18s390/qeth: pass full IQD header length to fill_buffer()Julian Wiedmann3-4/+4
This is a prerequisite for unifying the code to build header elements. The TSO header has a different size, so we can no longer rely on implicitly adding the size of a normal qeth_hdr. No functional change. Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-18s390/qeth: pass TSO data offset to fill_buffer()Julian Wiedmann4-10/+8
For TSO we need to skip the skb's qeth/IP/TCP headers when mapping it into buffer elements. Instead of (mis)using skb_pull(), pass a corresponding offset to fill_buffer() like we already do for IQDs. No actual change in the resulting TSO buffers. Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-18s390/qeth: pass TSO header length to fill_buffer()Julian Wiedmann4-21/+23
The TSO code already calculates the length of its header element, no need to duplicate this in the low-level code again. Use this opportunity to make hd_len unsigned, and for TSO match its calculation to what tso_fill_header() does. No functional change. Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-18s390/qeth: pass full data length to l2_fill_header()Julian Wiedmann1-6/+6
For IQD we already need to fix up the qeth_hdr's length field, and future changes will require more flexibility for OSA as well. The device-specific path knows best what header length it requires, so just pass it from there. While at it, remove the unused qeth_card parameter. No functional change. Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-18s390/qeth: split L2 xmit pathsJulian Wiedmann1-102/+123
l2_hard_start_xmit() actually doesn't contain much shared code, and having device-specific paths makes isolated changes a lot easier. So split it into three routines for IQD, OSN and OSD/OSM/OSX. No functional change. Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-18bpf: fix a return in sockmap_get_from_fd()Dan Carpenter1-2/+2
"map" is a valid pointer. We wanted to return "err" instead. Also let's return a zero literal at the end. Fixes: 174a79ff9515 ("bpf: sockmap with sk redirect support") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Acked-by: John Fastabend <john.fastabend@gmail.com> Acked-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-18Merge branch 'liquidio-initialization-fixes-for-embedded-firmware'David S. Miller1-32/+58
Rick Farrington says: ==================== liquidio: initialization fixes for embedded firmware Fix problems when using an adapter w/embedded f/w (param "fw_type=none"). 1. Add support for PF FLR when exiting. 2. Skip some initialization (don't try to load f/w, activate consoles). 3. Issue credits BEFORE enabling DROQs. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-18liquidio: with embedded f/w, issue droq credits before enablementRick Farrington1-8/+12
1. Issue credits BEFORE enabling DROQ's; this prevents PKTPF_ERR interrupt. Signed-off-by: Rick Farrington <ricardo.farrington@cavium.com> Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-18liquidio: with embedded f/w, don't reload f/w, issue pf flr at exitRick Farrington1-24/+46
1. Add support for PF FLR when exiting (enables CORE_DRV_ACTIVE upon next driver init) 2. Skip some initialization (don't try to load f/w, activate consoles). Signed-off-by: Rick Farrington <ricardo.farrington@cavium.com> Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-17Bluetooth: hci_bcm: Handle empty packet after firmware loadingMarcel Holtmann1-0/+11
The Broadcom controller on the Raspberry Pi3 sends an empty packet with packet type 0x00 after launching the firmware. This will cause logging of errors. Bluetooth: hci0: Frame reassembly failed (-84) Since this seems to be an intented behaviour of the controller, handle it gracefully by parsing that empty packet with packet type 0x00 and then just simply report it as diagnostic packet. With that change no errors are logging and the packet itself is actually recorded in the Bluetooth monitor traces. < HCI Command: Broadcom Launch RAM (0x3f|0x004e) plen 4 Address: 0xffffffff > HCI Event: Command Complete (0x0e) plen 4 Broadcom Launch RAM (0x3f|0x004e) ncmd 1 Status: Success (0x00) = Vendor Diagnostic (len 0) < HCI Command: Broadcom Update UART Baud Rate (0x3f|0x0018) plen 6 00 00 00 10 0e 00 ...... > HCI Event: Command Complete (0x0e) plen 4 Broadcom Update UART Baud Rate (0x3f|0x0018) ncmd 1 Status: Success (0x00) < HCI Command: Reset (0x03|0x0003) plen 0 > HCI Event: Command Complete (0x0e) plen 4 Reset (0x03|0x0003) ncmd 1 Status: Success (0x00) Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2017-08-17dt-bindings: net: bluetooth: Add broadcom-bluetoothLoic Poulain1-0/+35
Add binding document for serial bluetooth chips using Broadcom protocol. Signed-off-by: Loic Poulain <loic.poulain@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2017-08-17Bluetooth: hci_bcm: Add serdev supportLoic Poulain2-2/+84
Add basic support for Broadcom serial slave devices. Probe the serial device, retrieve its maximum speed and register a new hci uart device. Tested/compatible with bcm43438 (RPi3). Signed-off-by: Loic Poulain <loic.poulain@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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