- 18 Mar, 2016 26 commits
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Zhang Shengju authored
Fix a comment typo. Signed-off-by:
Zhang Shengju <zhangshengju@cmss.chinamobile.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Dan Carpenter authored
There were two issues here: 1) dma_mapping_error() return true/false but we want to return -ENOMEM 2) If dmaengine_prep_slave_sg() failed then "err" wasn't set but presumably that should be -ENOMEM as well. I changed the success path to "return 0;" instead of "return ret;" for clarity. Fixes: 94fe8c68 ('ks8842: Support DMA when accessed via timberdale') Signed-off-by:
Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by:
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David S. Miller authored
Daniel Borkmann says: ==================== Minor BPF follow-ups Some minor last follow-ups I still had in my queue. The first one adds readability support for __sk_buff's tc_classid member, the remaining two are some minor cleanups. For details please see individual patches. ==================== Signed-off-by: -
Daniel Borkmann authored
eBPF defines this as BPF_TUNLEN_MAX and OVS just uses the hard-coded value inside struct sw_flow_key. Thus, add and use IP_TUNNEL_OPTS_MAX for this, which makes the code a bit more generic and allows to remove BPF_TUNLEN_MAX from eBPF code. Signed-off-by:
Daniel Borkmann <daniel@iogearbox.net> Signed-off-by:
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Daniel Borkmann authored
We can just add a small helper dst_tclassid() for retrieving the dst->tclassid value. It makes the code a bit better in that we can get rid of the ifdef from filter.c by moving this into the header. Signed-off-by:
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Daniel Borkmann authored
Currently, the tc_classid from eBPF skb context is write-only, but there's no good reason for tc programs to limit it to write-only. For example, it can be used to transfer its state via tail calls where the resulting tc_classid gets filled gradually. Signed-off-by:
Alexei Starovoitov <ast@kernel.org> Signed-off-by:
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Arnd Bergmann authored
MVNETA_BM has a dependency on MVNETA, so we can only select the former if the latter is enabled. However, the code dependency is the reverse: The mvneta module can call into the mvneta_bm module, so mvneta cannot be a built-in if mvneta_bm is a module, or we get a link error: drivers/net/built-in.o: In function `mvneta_remove': drivers/net/ethernet/marvell/mvneta.c:4211: undefined reference to `mvneta_bm_pool_destroy' drivers/net/built-in.o: In function `mvneta_bm_update_mtu': drivers/net/ethernet/marvell/mvneta.c:1034: undefined reference to `mvneta_bm_bufs_free' This avoids the problem by further clarifying the dependency so that MVNETA_BM is a silent Kconfig option that gets turned on by the new MVNETA_BM_ENABLE option. This way both the core HWBM module and the MVNETA_BM code are always built-in when needed. Signed-off-by:
Arnd Bergmann <arnd@arndb.de> Fixes: dc35a10f ("net: mvneta: bm: add support for hardware buffer management") Signed-off-by:
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Daniel Borkmann authored
There are two issues with the current code. First one is that we need to set res->class to 0 in case we use non-default classid matching. This is important for the case where cls_bpf was initially set up with an optional binding to a default class with tcf_bind_filter(), where the underlying qdisc implements bind_tcf() that fills res->class and tests for it later on when doing the classification. Convention for these cases is that after tc_classify() was called, such qdiscs (atm, drr, qfq, cbq, hfsc, htb) first test class, and if 0, then they lookup based on classid. Second, there's a bug with da mode, where res->classid is only assigned a 16 bit minor, but it needs to expand to the full 32 bit major/minor combination instead, therefore we need to expand with the bound major. This is fine as classes belonging to a classful qdisc must share the same major. Fixes: 045efa82 ("cls_bpf: introduce integrated actions") Signed-off-by:
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David S. Miller authored
Aaron Young says: ==================== ldmvsw: Add ldmvsw driver This series adds a new Logical Domains vSwitch (ldmvsw) driver. The ldmvsw driver code will live in the drivers/net/ethernet/sun/ directory and will operate on Oracle systems running SPARC Linux in a Logical Domains environment (typically in the control domain). The ldmvsw driver is very similar in function to the existing sunvnet driver. Ldmvsw creates a network interface for each "vsw-port" node found in the Machine Description (MD) of a service domain. These nodes correspond to ports on a vswitch created by the logical domains manager. The created network interface(s) can be used by bridge/vswitch software (such as the Linux bridge or Open vSwitch) to provide guest domain(s) with network interconnectivity or connectivity to a physical network. Here is a example diagram of ldmvsw driver usage in a logical domain environment to provide a guest domain with network connectivity to a physical NIC on the service domain: +----------------+ +----------------- | Service Domain | | Guest domain | | | | | | LinuxBridge | | | | | | | | | | NIC Ldmvsw | | Sunvnet | +----------------+ +----------------+ | | LDC | LAN ------------------------------ As stated, the sunvnet and ldmvsw drivers are _very_ similar in function. They both create network interface(s) to receive/transmit network traffic across LDC network channel(s). Since the driver is so similar in function to sunvnet, the approach will be as follows to integrate the driver and take advantage of common code: Patch #1: Split sunvnet.c driver into sunvnet.c and sunvnet_common.c Patch #2: Modify the sunvnet_common code and data structures to be compatible with both the sunvnet and ldmvsw drivers. Patch #3: Add the new ldmvsw.c driver code Patch #4: Checkpatch cleanup of the sunvnet/sunvnet_common code. NOTE - Patch#1 renames a file (sunvnet.h -> sunvnet_common.h). When generating the patches (using git format-patch), I had to use the --no-renames option otherwise patch#1 would NOT apply using 'patch -p1' - which as I understand is a requirement for patch acceptance. I wasn't sure if this is proper thing to do. Please advise if not. Thanks. v2 changes: * change all EXPORT_SYMBOL declarations to EXPORT_SYMBOL_GPL * remove inline attribute for external function port_is_up_common() * Give all exported/global funcs in sunvnet_common.c a 'sunvnet_' prefix to avoid kernel global namespace pollution/collisions * ldmvsw.c: Order local variable declarations from longest to shortest line * ldmvsw.c: register the netdevice after all supporting state is ready/setup. NOTE: The consensus at Oracle is that the following functions must be done AFTER register_netdev() - this is the same ordering currently used in the sunvnet driver: 1. sunvnet_port_add_txq_common() - needs registered netdev 2. napi_enable() - requires registered netdev 3. vio_port_up() - as soon as this function is called LDC handshake messages will come in which must be handled by the napi code. ==================== Signed-off-by: -
Aaron Young authored
Checkpatch updates for sunvnet.c and sunvnet_common.c. Signed-off-by:
Aaron Young <aaron.young@oracle.com> Signed-off-by:
Rashmi Narasimhan <rashmi.narasimhan@oracle.com> Reviewed-by:
Sowmini Varadhan <sowmini.varadhan@oracle.com> Reviewed-by:
Alexandre Chartre <Alexandre.Chartre@oracle.com> Signed-off-by:
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Aaron Young authored
Add ldmvsw.c driver Details: The ldmvsw driver very closely follows the sunvnet.c code and makes use of the sunvnet_common.c code for core functionality. A significant difference between sunvnet and ldmvsw driver is sunvnet creates a network interface for each vnet-port *parent* node in the MD while the ldmvsw driver creates a network interface for every vsw-port node in the Machine Description (MD). Therefore the netdev_priv() for sunvnet is a vnet structure while the netdev_priv() for ldmvsw is a vnet_port structure. Vnet_port structures allocated by ldmvsw have the vsw bit set. When finding the net_device associated with a port, the common code keys off this bit to use either the net_device found in the vnet_port or the net_device in the vnet structure (see the VNET_PORT_TO_NET_DEVICE() macro in sunvnet_common.h). This scheme allows the common code to work with both drivers with minimal changes. Similar to Xen, network interfaces created by the ldmvsw driver will always have a HW Addr (i.e. mac address) of FE:FF:FF:FF:FF:FF and each will be assigned the devname "vif<cfg_handle>.<port_id>" - where <cfg_handle> and <port_id> are a unique handle/port pair assigned to the associated vsw-port node in the MD. Signed-off-by:
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Aaron Young authored
Modify sunvnet common code and data structures to be compatible with both sunvnet and ldmvsw drivers. Details: Sunvnet operates on "vnet-port" nodes which appear in the Machine Description (MD) in a guest domain. Ldmvsw operates on "vsw-port" nodes which appear in the MD of a service domain. A difference between the sunvnet driver and the ldmvsw driver is the sunvnet driver creates a network interface (i.e. a struct net_device) for every vnet-port *parent* "network" node. Several vnet-ports may appear under this common parent network node - each corresponding to a common parent network interface. Conversely, since bridge/vswitch software will need to interface with every vsw-port in a system, the ldmvsw driver creates a network interface (i.e. a struct net_device) for every vsw-port - not every parent node as with sunvnet. This difference required some special handling in the common code as explained below. There are 2 key data structures used by the sunvnet and ldmvsw drivers (which are now found in sunvnet_common.h): 1. struct vnet_port This structure represents a vnet-port node in sunvnet and a vsw-port in the ldmvsw driver. 2. struct vnet This structure represents a parent "network" node in sunvnet and a parent "virtual-network-switch" node in ldmvsw. Since the sunvnet driver allocates a net_device for every parent "network" node, a net_device member appears in the struct vnet. Since the ldmvsw driver allocates a net_device for every port, a net_device member was added to the vnet_port. The common code distinguishes which structure net_device member to use by checking a 'vsw' bit that was added to the vnet_port structure. See the VNET_PORT_TO_NET_DEVICE() marco in sunvnet_common.h. The netdev_priv() in sunvnet is allocated as a vnet. The netdev_priv() in ldmvsw is a vnet_port. Therefore, any place in the common code where a netdev_priv() call was made, a wrapper function was implemented in each driver to first get the vnet and/or vnet_port (in a driver specific way) and pass them as newly added parameters to the common functions (see wrapper funcs: vnet_set_rx_mode() and vnet_poll_controller()). Since these wrapper functions call __tx_port_find(), __tx_port_find() was moved from the common code back into sunvnet.c. Note - ldmvsw.c does not require this function. These changes also required that port_is_up() be made into a common function and thus it was given a _common suffix and exported like the other common functions. A wrapper function was also added for vnet_start_xmit_common() to pass a driver-specific function arg to return the port associated with a given struct sk_buff and struct net_device. This was required because vnet_start_xmit_common() grabs a lock prior to getting the associated port. Using a function pointer arg allowed the code to work unchanged without risking changes to the non-trivial locking logic in vnet_start_xmit_common(). Signed-off-by: -
Aaron Young authored
Split sunvnet.c into sunvnet.c and sunvnet_common.c. Details: Since the sunvnet and ldmvsw drivers will both use common sunvnet code, move the functions (and support functions) anticipated to be common code from sunvnet.c to sunvnet_common.c. Similarly, sunvnet.h was renamed to sunvnet_common.h. The sunvnet_common.c code will be compiled into the kernel and act as a library of functions that are linked by either (or both) drivers when loaded. Function names for external functions in sunvnet_common.c (to be called by both the sunvnet and ldmvsw drivers) were tagged with a "_common" suffix to clearly designate them as common functions. No functional changes as of yet... just moved code verbatim to the new sunvnet_common.c/h files. Makefile/Kconfig support added to build sunvnet_common.c file. The code is included in the kernel if SUN_LDOMS is defined/selected. NOTE - per the SubmittingPatches documentation, since the code was just moved from one file another, the code was NOT checkpatch'd in this commit to aid in review. Signed-off-by:
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Yuval Mintz authored
Not all adapters have FC-NPIV configured. If bnx2fc is used with such an adapter, driver would read irrelevant data from the the nvram and log "FC-NPIV table with bad length..." In system logs. Simply accept that reading '0' as the feature offset in nvram indicates the feature isn't there and return. Reported-by:
Andrew Patterson <andrew.patterson@hpe.com> Signed-off-by:
Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by:
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Yoshihiro Kaneko authored
The result value is overwritten by a return value of ravb_ptp_interrupt(). Signed-off-by:
Yoshihiro Kaneko <ykaneko0929@gmail.com> Acked-by:
Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by:
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Manish Chopra authored
When running small packets [length < 256 bytes] traffic, packets were being dropped due to invalid data in those packets which were delivered by the driver upto the stack. Using pci_dma_sync_single_for_cpu ensures copying latest and updated data into skb from the receive buffer. Signed-off-by:
Sony Chacko <sony.chacko@qlogic.com> Signed-off-by:
Manish Chopra <manish.chopra@qlogic.com> Signed-off-by:
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Phil Reid authored
If a dt mdio entry has been added least assume that we wont search for phys attached. The DT and of_mdiobus_register already do this. This stops DSA phys being found and phys created for them, as this is handled by the DSA driver. Signed-off-by:
Phil Reid <preid@electromag.com.au> Acked-by:
Giuseppe Cavallaro <peppe.cavallaro@st.com> Signed-off-by:
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Dan Carpenter authored
There was a missing unlock on the error path. Fixes: 656e7052 ('net-next: mediatek: add support for MT7623 ethernet') Signed-off-by:
John Crispin <blogic@openwrt.org> Signed-off-by:
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Dan Carpenter authored
of_phy_connect() returns NULL on error, it never returns error pointers. Fixes: 656e7052 ('net-next: mediatek: add support for MT7623 ethernet') Signed-off-by:
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Simon Horman authored
Currently output of MPLS packets on tunnel vports is not allowed by Open vSwitch. This is because historically encapsulation was done in such a way that the inner_protocol field of the skb needed to hold the inner protocol for both MPLS and tunnel encapsulation in order for GSO segmentation to be performed correctly. Since b2acd1dc ("openvswitch: Use regular GRE net_device instead of vport") Open vSwitch makes use of lwt to output to tunnel netdevs which perform encapsulation. As no drivers expose support for MPLS offloads this means that GSO packets are segmented in software by validate_xmit_skb(), which is called from __dev_queue_xmit(), before tunnel encapsulation occurs. This means that the inner protocol of MPLS is no longer needed by the time encapsulation occurs and the contention on the inner_protocol field of the skb no longer occurs. Thus it is now safe to output MPLS to tunnel vports. Signed-off-by:
Simon Horman <simon.horman@netronome.com> Reviewed-by:
Jesse Gross <jesse@kernel.org> Signed-off-by:
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David Daney authored
No code changes. Since OCTEON is a Cavium product, move the driver to the vendor directory to unclutter things a bit. Signed-off-by:
David Daney <david.daney@cavium.com> Signed-off-by:
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Wu Fengguang authored
Signed-off-by:
Fengguang Wu <fengguang.wu@intel.com> Signed-off-by:
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Wu Fengguang authored
Signed-off-by:
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Schemmel Hans-Christoph authored
Added support for Gemalto's Cinterion PHxx WWAN interfaces by adding QMI_FIXED_INTF with Cinterion's VID and PID. PHxx can have: 2 RmNet Interfaces (PID 0x0082) or 1 RmNet + 1 USB Audio interface (PID 0x0083). Signed-off-by:
Hans-Christoph Schemmel <hans-christoph.schemmel@gemalto.com> Acked-by:
Bjørn Mork <bjorn@mork.no> Signed-off-by:
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Eric Dumazet authored
Now SYN_RECV request sockets are installed in ehash table, an ICMP handler can find a request socket while another cpu handles an incoming packet transforming this SYN_RECV request socket into an ESTABLISHED socket. We need to remove the now obsolete WARN_ON(req->sk), since req->sk is set when a new child is created and added into listener accept queue. If this race happens, the ICMP will do nothing special. Fixes: 079096f1 ("tcp/dccp: install syn_recv requests into ehash table") Signed-off-by:
Eric Dumazet <edumazet@google.com> Reported-by:
Ben Lazarus <blazarus@google.com> Reported-by:
Neal Cardwell <ncardwell@google.com> Signed-off-by:
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Eric Dumazet authored
vlan drivers lack proper propagation of gso_max_segs from lower device. Signed-off-by:
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- 16 Mar, 2016 14 commits
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David S. Miller authored
David Daney says: ==================== net/phy: Fixes for Cavium Thunder MDIO code. Previous patch set: commit 5fc7cf17 ("net: thunderx: Cleanup PHY probing code.") commit 1eefee90 ("phy: mdio-octeon: Refactor into two files/modules") commit 379d7ac7 ("phy: mdio-thunder: Add driver for Cavium Thunder SoC MDIO buses.") Had several problems. We try to fix them here. ==================== Signed-off-by:
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David Daney authored
It is possible, although unlikely, that probing will find the phy_device for the first LMAC of a thunder BGX device, but then need to fail with -EPROBE_DEFER on a subsequent LMAC. In this case, we need to call put_device() on each of the phy_devices that were obtained, but will be unused due to returning -EPROBE_DEFER. Also, since we can break out of the probing loop early, we need to explicitly call of_node_put() outside of the loop. Signed-off-by:
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David Daney authored
Previously we selected MDIO_OCTEON, which after creating the Thunder specific MDIO bus driver is much less useful. Signed-off-by:
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David Daney authored
When the code was factored out of mdio-octeon.c, the MODULE_DESCRIPTION, MODULE_AUTHOR and MODULE_LICENSE annotations were inadvertently omitted. Restore them so that we don't get kernel taint warnings upon module loading. Signed-off-by:
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Guillaume Nault authored
Locking ppp_mutex must be done before dereferencing file->private_data, otherwise it could be modified before ppp_unattached_ioctl() takes the lock. This could lead ppp_unattached_ioctl() to override ->private_data, thus leaking reference to the ppp_file previously pointed to. v2: lock all ppp_ioctl() instead of just checking private_data in ppp_unattached_ioctl(), to avoid ambiguous behaviour. Fixes: f3ff8a4d ("ppp: push BKL down into the driver") Signed-off-by:Guillaume Nault <g.nault@alphalink.fr> Signed-off-by:
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David S. Miller authored
Caesar Wang says: ==================== arc_emac: fixes the emac issues and cleanup emac drivers This series patches are based on kernel 4.5-rc7+ version. Linux version 4.5.0-rc7-next-20160311+ (wxt@nb) (...) #45 SMP Sun Mar 13 16:17:56 The history patch in here: Patch-v1: https://lkml.org/lkml/2016/3/11/209 Patch-v2: https://lkml.org/lkml/2016/3/13/39 Verified on kylin board with my github. https://github.com/Caesar-github/rockchip/tree/kylin/next That's verified on kylin board with ubuntu os. This series patches are built all pass with Mr.robot on https://github.com/Caesar-github/linux/tree/build-emac-v3 How to test and verify? You can refer to the following wiki document. http://rockchip.wikidot.com/linux-develop-guide bootup log: [ 1.264740] rockchip_emac 10200000.ethernet: no regulator found [ 1.270908] rockchip_emac 10200000.ethernet: ARC EMAC detected with id: 0x7fd02 [ 1.278362] rockchip_emac 10200000.ethernet: IRQ is 29 [ 1.283747] rockchip_emac 10200000.ethernet: MAC address is now 06:5d:61:c7:39:41 [ 1.291314] rockchip_emac 10200000.ethernet: GPIO lookup for consumer phy-reset [ 1.291333] rockchip_emac 10200000.ethernet: using device tree for GPIO lookup [ 1.663155] rockchip_emac 10200000.ethernet: connected to Generic PHY phy with id 0xffffc816 [ 8.863448] rockchip_emac 10200000.ethernet eth0: Link is Up - 100Mbps/Full - flow control off root@localhost:/# busybox ping www.baidu.com PING www.baidu.com (14.215.177.38): 56 data bytes 64 bytes from 14.215.177.38: seq=0 ttl=48 time=35.046 ms 64 bytes from 14.215.177.38: seq=1 ttl=48 time=35.095 ms 64 bytes from 14.215.177.38: seq=2 ttl=48 time=34.203 ms 64 bytes from 14.215.177.38: seq=3 ttl=48 time=38.516 ms ... --- 1) This series has 6 patches: (1--->9) net: arc_emac: make the rockchip emac document more compatible net: arc_emac: add phy reset is optional for device tree net: arc_emac: support the phy reset for emac driver net: arc: trivial: cleanup the emac driver clk: rockchip: add node-id for rk3036 emac hclk clk: rockchip: associate the rk3036 HCLK_EMAC clock-id clk: rockchip: add clock-id for rk3036 emac pll source clock clk: rockchip: associate SCLK_MAC_PLL and disable reparenting on rk3036 ARM: dts: rockchip: add support emac for RK3036 2) This series patches have the following descriptions: Hi Rob, David: PATCH[1/9-2/9]: ====> net: arc_emac: make the rockchip emac document more compatible net: arc_emac: add phy reset is optional for device tree The patches change the rockchip emac document for more compatible and Add the phy reset property for document. --- Hi David PATCH[3/9]: ====> net: arc_emac: support the phy reset for emac driver The emac didn't work on kylin board since in some case the clocks parent changed. The kylin hardware connects the phy reset pin, we should use it with real world. As the previous patch discuss on https://patchwork.kernel.org/patch/8186801/ And as sergei/Heiko suggestions on https://patchwork.kernel.org/patch/8564571/ --- Hi David PATCH[4/9]: ====> net: arc: trivial: cleanup the emac driver The first time to look the emac drivers, I think that have to cleanup the drivers with scripts. Although it's the trivial things, in order to be more read. --- Hi Heiko,Michael,Stephen: PATCH[5/9-8/9]: ====> clk: rockchip: rk3036: fix and add node id for emac clock Four-part from https://patchwork.kernel.org/patch/8564581/ clk: rockchip: add node-id for rk3036 emac hclk clk: rockchip: associate the rk3036 HCLK_EMAC clock-id clk: rockchip: add clock-id for rk3036 emac pll source clock clk: rockchip: associate SCLK_MAC_PLL and disable reparenting on rk3036 Add the emac needed clocks for rk3036 SoCs --- Hi Heiko: PATCH[9/9]: ====> ARM: dts: rockchip: add support emac for RK3036 Add the emac needed main info for rk3036 dts. --- Thanks your reviewing! :) Changes in v3: - %s/he/the - Add the Cc people - As Sergei comments, the original name is better, so %s/reset-gpios/phy-reset-gpios - Add the Cc people. - Caused the build error since the missing include head file. - %s/reset/phy-reset to match the device tree. - Add the Cc people - Add the Cc people. - Add the Cc people. - Add the Cc people. - Add the Cc people. - Add the Cc people. - rename reset-gpio to phy-reset-gpios. - change the commit. - remove the pcfg_output_high, that's really not needed for emac. - Add the Cc people. - Fixes the 'zhengxing' to 'Xing Zheng'. Changes in v2: - change the commit and remove the repeat the name 'rockchip'. - %s/phy-reset-gpios/reset-gpios - As the pervious version, Sergei and Heiko comments on https://patchwork.kernel.org/patch/8564571/. - Nevermind, add signed-off since Heiko the original patch, refer the Heiko's test patch on https://github.com/mmind/linux-rockchip/commit/a943c588783438ff1c508dfa8c79f1709aa5775e :) - As the robot notice the build error since overflow in implicit constant conversion. - rename phy-reset-gpio to reset-gpios. ==================== Signed-off-by:
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Xing Zheng authored
This patch adds the emac device node for rk3036 SoCs. We need to let mac clock under the DPLL which is able to provide the accurate 50MHz what mac_ref need, since that will cause some unstable things if the cpufreq is working. Signed-off-by:
Xing Zheng <zhengxing@rock-chips.com> Signed-off-by:
Caesar Wang <wxt@rock-chips.com> Cc: linux-rockchip@lists.infradead.org Cc: Xing Zheng <zhengxing@rock-chips.com> Cc: Heiko Stuebner <heiko@sntech.de> Cc: linux-arm-kernel@lists.infradead.org Signed-off-by:
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Heiko Stuebner authored
The emac needs constant and very specific rate but the possible PLL-sources are very limited, so we expect the PLL source to be set manually on per board and don't want it to get changed in an automatic way later. So add the necessary clock-id and disable reparenting on set_rate calls. Signed-off-by:
Heiko Stuebner <heiko@sntech.de> Cc: Michael Turquette <mturquette@baylibre.com> Cc: Heiko Stuebner <heiko@sntech.de> Cc: Stephen Boyd <sboyd@codeaurora.org> Cc: linux-clk@vger.kernel.org Signed-off-by:
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Xing Zheng authored
Suitable PLLs for the emac on the rk3036 are difficult to find and one of them is the (continuously changing) APLL. So in most cases it will be necessary to select a PLL manually. So add a clock-id for it. Signed-off-by:
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Xing Zheng authored
Associate the new clock id the clock. Signed-off-by:
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Xing Zheng authored
Add the node-id for the emac hclk to the binding header. Signed-off-by:
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Caesar Wang authored
This patch will make the driver more readability The emac has the error and warnings if you run 'scripts/checkpatch.pl -f --subjective xxx' to check. Let's clean up such trivial details. Signed-off-by:
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Caesar Wang authored
This patch adds to support the emac phy reset. Different boards may require different phy reset duration. Add property phy-reset-duration for emac driver, so that the boards that need a longer reset duration can specify it in their device tree. Signed-off-by:
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Caesar Wang authored
This patch adds the following property for arc_emac. 1) phy-reset-gpios: The phy-reset-gpio is an optional property for arc emac device tree boot. Change the binding document to match the driver code. 2) phy-reset-duration: Different boards may require different phy reset duration. Add property phy-reset-duration for device tree probe, so that the boards that need a longer reset duration can specify it in their device tree. Anyway, we can add the above property for arc emac. Signed-off-by:
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