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path: root/drivers/net/ethernet/marvell
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2017-06-22net: mvpp2: remove mvpp2_pool_refill()Thomas Petazzoni
When all a function does is calling another function with the exact same arguments, in the exact same order, you know it's time to remove said function. Which is exactly what this commit does. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-22net: mvpp2: remove unused mvpp2_bm_cookie_pool_set() functionThomas Petazzoni
This function is not used in the driver, remove it. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-22net: mvpp2: add comments about smp_processor_id() usageThomas Petazzoni
A previous commit modified a number of smp_processor_id() used in migration-enabled contexts into get_cpu/put_cpu sections. However, a few smp_processor_id() calls remain in the driver, and this commit adds comments explaining why they can be kept. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-16net: mvmdio: simplify the smi read and write error pathsAntoine Ténart
Cosmetic patch simplifying the smi read and write error paths. It also align their error paths with the ones of the xsmi functions. Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-16net: mvmdio: add xmdio xsmi supportAntoine Ténart
This patch adds the xmdio xsmi interface support in the mvmdio driver. This interface is used in Ethernet controllers on Marvell 370, 7k and 8k (as of now). The xsmi interface supported by this driver complies with the IEEE 802.3 clause 45. The xSMI interface is used by 10GbE devices. Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-16net: mvmdio: check the MII_ADDR_C45 bit is not set for smi operationsAntoine Ténart
Add a check for the read and write smi operations, to ensure the MII_ADDR_C45 bit isn't set. This will be needed as soon as the xSMI support is added to the mvmdio driver. Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-16net: mvmdio: put the poll intervals in the ops structureAntoine Ténart
Put the two poll intervals (min and max) in the driver's ops structure. This is needed to add the xmdio support later. Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-16net: mvmdio: introduce an ops structureAntoine Ténart
Introduce an ops structure to add an indirection on the is_done function, as this is needed to add the xMDIO support later. Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-16net: mvmdio: remove duplicate lockingRussell King
The MDIO layer already provides per-bus locking, so there's no need for MDIO bus drivers to do their own internal locking. Remove this. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-16net: mvmdio: use GENMASK for masksAntoine Ténart
Cosmetic patch to use the GENMASK helper for masks. Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-16net: mvmdio: use tabs for definesAntoine Ténart
Cosmetic patch replacing spaces by tabs for defined values. Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-16net: mvmdio: reorder headers alphabeticallyAntoine Ténart
Cosmetic fix reordering headers alphabetically. Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-16networking: introduce and use skb_put_data()Johannes Berg
A common pattern with skb_put() is to just want to memcpy() some data into the new space, introduce skb_put_data() for this. An spatch similar to the one for skb_put_zero() converts many of the places using it: @@ identifier p, p2; expression len, skb, data; type t, t2; @@ ( -p = skb_put(skb, len); +p = skb_put_data(skb, data, len); | -p = (t)skb_put(skb, len); +p = skb_put_data(skb, data, len); ) ( p2 = (t2)p; -memcpy(p2, data, len); | -memcpy(p, data, len); ) @@ type t, t2; identifier p, p2; expression skb, data; @@ t *p; ... ( -p = skb_put(skb, sizeof(t)); +p = skb_put_data(skb, data, sizeof(t)); | -p = (t *)skb_put(skb, sizeof(t)); +p = skb_put_data(skb, data, sizeof(t)); ) ( p2 = (t2)p; -memcpy(p2, data, sizeof(*p)); | -memcpy(p, data, sizeof(*p)); ) @@ expression skb, len, data; @@ -memcpy(skb_put(skb, len), data, len); +skb_put_data(skb, data, len); (again, manually post-processed to retain some comments) Reviewed-by: Stephen Hemminger <stephen@networkplumber.org> Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-15Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller
The conflicts were two cases of overlapping changes in batman-adv and the qed driver. Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-13net: phy: Make phy_ethtool_ksettings_get return voidyuval.shaia@oracle.com
Make return value void since function never return meaningfull value Signed-off-by: Yuval Shaia <yuval.shaia@oracle.com> Acked-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-13net: mvpp2: enable basic 10G supportAntoine Ténart
On GOP port 0 two MAC modes are available: GMAC and XLG. The XLG MAC is used for 10G connectivity. This patch adds a basic 10G support by allowing to use the XLG MAC on port 0 and by reworking the port_enable/disable functions so that the XLG MAC is configured when using 10G. Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-10net: mvpp2: use {get, put}_cpu() instead of smp_processor_id()Thomas Petazzoni
smp_processor_id() should not be used in migration-enabled contexts. We originally thought it was OK in the specific situation of this driver, but it was wrong, and calling smp_processor_id() in a migration-enabled context prints a big fat warning when CONFIG_DEBUG_PREEMPT=y. Therefore, this commit replaces the smp_processor_id() in migration-enabled contexts by the appropriate get_cpu/put_cpu sections. Reported-by: Marc Zyngier <marc.zyngier@arm.com> Fixes: a786841df72e ("net: mvpp2: handle register mapping and access for PPv2.2") Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Tested-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-10net: mvpp2: remove mvpp2_bm_cookie_{build,pool_get}Thomas Petazzoni
This commit removes the useless remove mvpp2_bm_cookie_{build,pool_get} functions. All what mvpp2_bm_cookie_build() was doing is compute a 32-bit value by concatenating the pool number and the CPU number... only to get the pool number re-extracted by mvpp2_bm_cookie_pool_get() later on. Instead, just get the pool number directly from RX descriptor status, and pass it to mvpp2_pool_refill() and mvpp2_rx_refill(). This has the added benefit of dropping a smp_processor_id() call in a migration-enabled context, which is wrong, and is the original motivation for making this change. Fixes: 3f518509dedc9 ("ethernet: Add new driver for Marvell Armada 375 network unit") Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-07net: mvpp2: do not bypass the mvpp22_port_mii_set functionAntoine Ténart
The mvpp22_port_mii_set() function was added by 2697582144dd, but the function directly returns without doing anything. This return was used when debugging and wasn't removed before sending the patch. Fix this. Fixes: 2697582144dd ("net: mvpp2: handle misc PPv2.1/PPv2.2 differences") Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com> Acked-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-18sky2: Use seq_puts() in sky2_debug_show()Markus Elfring
A string which did not contain a data format specification should be put into a sequence. Thus use the corresponding function "seq_puts". This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-18skge: Adjust a null pointer check in skge_down()Markus Elfring
The script "checkpatch.pl" pointed information out like the following. Comparison to NULL could be written "!skge->mem". Thus fix the affected source code place. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-18skge: Use seq_puts() in skge_debug_show()Markus Elfring
A string which did not contain a data format specification should be put into a sequence. Thus use the corresponding function "seq_puts". This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-18net: pxa168_eth: Adjust four checks for null pointersMarkus Elfring
MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The script “checkpatch.pl” pointed information out like the following. Comparison to NULL could be written … Thus fix the affected source code places. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-18net: pxa168_eth: Use kcalloc() in two functionsMarkus Elfring
Multiplications for the size determination of memory allocations indicated that array data structures should be processed. Thus use the corresponding function "kcalloc". This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-18net: mvpp2: Adjust a null pointer check in mvpp2_egress_enable()Markus Elfring
The script "checkpatch.pl" pointed information out like the following. Comparison to NULL could be written "txq->descs". Thus fix the affected source code place. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-18net: mvpp2: Rename a jump label in mvpp2_prs_vlan_add()Markus Elfring
Adjust jump labels according to the Linux coding style convention. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-18net: mvpp2: Rename a jump label in mvpp2_prs_double_vlan_add()Markus Elfring
Adjust jump labels according to the Linux coding style convention. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-18net: mvpp2: Rename a jump label in mvpp2_txq_init()Markus Elfring
Adjust jump labels according to the Linux coding style convention. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-18net: mvpp2: Rename a jump label in mvpp2_tx_frag_process()Markus Elfring
Adjust jump labels according to the Linux coding style convention. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-18net: mvpp2: Adjust three error messagesMarkus Elfring
Use the word "failed" in the string for three function calls. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-18net: mvpp2: Rename a jump label in two functionsMarkus Elfring
Adjust jump labels according to the Linux coding style convention. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-18net: mvpp2: Fix a jump label position in mvpp2_rx()Markus Elfring
The script "checkpatch.pl" pointed out that labels should not be indented. Thus delete two horizontal tabs before the jump label "err_drop_frame" in the function "mvpp2_rx". Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-18net: mvpp2: Improve a size determination in two functionsMarkus Elfring
Replace the specification of two data structures by pointer dereferences as the parameter for the operator "sizeof" to make the corresponding size determination a bit safer according to the Linux coding style convention. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-18net: mvpp2: Improve 27 size determinationsMarkus Elfring
Replace the specification of data structures by references to a local variable as the parameter for the operator "sizeof" to make the corresponding size determination a bit safer. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-18net: mvpp2: Improve another size determination in mvpp2_prs_default_init()Markus Elfring
Replace the specification of a data structure by a pointer dereference as the parameter for the operator "sizeof" to make the corresponding size determination a bit safer according to the Linux coding style convention. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-18net: mvpp2: Improve another size determination in mvpp2_bm_init()Markus Elfring
Replace the specification of a data structure by a pointer dereference as the parameter for the operator "sizeof" to make the corresponding size determination a bit safer according to the Linux coding style convention. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-18net: mvpp2: Improve another size determination in mvpp2_port_probe()Markus Elfring
Replace the specification of a data structure by a pointer dereference as the parameter for the operator "sizeof" to make the corresponding size determination a bit safer according to the Linux coding style convention. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-18net: mvpp2: Improve another size determination in mvpp2_init()Markus Elfring
Replace the specification of a data structure by a pointer dereference as the parameter for the operator "sizeof" to make the corresponding size determination a bit safer according to the Linux coding style convention. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-18net: mvpp2: Improve two size determinations in mvpp2_probe()Markus Elfring
Replace the specification of two data structures by pointer dereferences as the parameter for the operator "sizeof" to make the corresponding size determination a bit safer according to the Linux coding style convention. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-18net: mvpp2: Use kmalloc_array() in mvpp2_txq_init()Markus Elfring
* A multiplication for the size determination of a memory allocation indicated that an array data structure should be processed. Thus use the corresponding function "kmalloc_array". This issue was detected by using the Coccinelle software. * Replace the specification of a data structure by a pointer dereference to make the corresponding size determination a bit safer according to the Linux coding style convention. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-18net: mvneta: Adjust six checks for null pointersMarkus Elfring
MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The script “checkpatch.pl” pointed information out like the following. Comparison to NULL could be written … Thus fix the affected source code places. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-18net: mvneta: Use kmalloc_array() in mvneta_txq_init()Markus Elfring
A multiplication for the size determination of a memory allocation indicated that an array data structure should be processed. Thus use the corresponding function "kmalloc_array". This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-18net: mvneta: Improve two size determinations in mvneta_init()Markus Elfring
Replace the specification of two data structures by pointer dereferences as the parameter for the operator "sizeof" to make the corresponding size determination a bit safer according to the Linux coding style convention. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-18net: mvneta: Use devm_kmalloc_array() in mvneta_init()Markus Elfring
* A multiplication for the size determination of a memory allocation indicated that an array data structure should be processed. Thus use the corresponding function "devm_kmalloc_array". This issue was detected by using the Coccinelle software. * Replace the specification of a data type by a pointer dereference to make the corresponding size determination a bit safer according to the Linux coding style convention. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-17net: mvneta: fix failed to suspend if WOL is enabledJisheng Zhang
Recently, suspend/resume and WOL support are added into mvneta driver. If we enable WOL, then we get some error as below on Marvell BG4CT platforms during suspend: [ 184.149723] dpm_run_callback(): mdio_bus_suspend+0x0/0x50 returns -16 [ 184.149727] PM: Device f7b62004.mdio-mi:00 failed to suspend: error -16 -16 means -EBUSY, phy_suspend() will return -EBUSY if it finds the device has WOL enabled. We fix this issue by properly setting the netdev's power.can_wakeup and power.wakeup, i.e 1. in mvneta_mdio_probe(), call device_set_wakeup_capable() to set power.can_wakeup if the phy support WOL. 2. in mvneta_ethtool_set_wol(), call device_set_wakeup_enable() to set power.wakeup if WOL has been successfully enabled in phy. Signed-off-by: Jisheng Zhang <jszhang@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-13net: mvmdio: allow up to three clocks to be specified for orion-mdioRussell King
Allow up to three clocks to be specified and enabled for the orion-mdio interface, which are required for this interface to be accessible on Armada 8k platforms. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-13net: mvmdio: disable interrupt if resource size is too smallRussell King
Disable the MDIO interrupt, falling back to polled mode, if the resource size does not allow us to access the interrupt registers. All current DT bindings use a size of 0x84, which allows access, but verifying it is good practice. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-13net: mvmdio: fix interrupt disable in remove pathRussell King
The pre-existing write to disable interrupts on the remove path happens whether we have an interrupt or not. While this may seem to be a good idea, this driver is re-used in many different implementations, some where the binding only specifies four bytes of register space. This access causes us to access registers outside of the binding. Make it conditional on the interrupt being present, which is the same condition used when enabling the interrupt in the first place. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-13net: mvmdio: disable interrupts in driver failure pathRussell King
When the mvmdio driver has an interrupt, it enables the "done" interrupt after requesting its interrupt handler. However, probe failure results in the interrupt being left enabled. Disable it on the failure path. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-29net: mvneta: set rx mode during resume if interface is runningJisheng Zhang
I found a bug by: 0. boot and start dhcp client 1. echo mem > /sys/power/state 2. resume back immediately 3. don't touch dhcp client to renew the lease 4. ping the gateway. No acks Usually, after step2, the DHCP lease isn't expired, so in theory we should resume all back. But in fact, it doesn't. It turns out the rx mode isn't resumed correctly. This patch fixes it by adding mvneta_set_rx_mode(dev) in the resume hook if interface is running. Signed-off-by: Jisheng Zhang <jszhang@marvell.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
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