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sun4i_mdio_reset() does nothing useful and is optional for the MDIO bus
code, so let's just remove it.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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xemaclite_mdio_reset() does nothing useful and is optional for the MDIO
bus code, so let's just remove it.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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orion_mdio_reset() does nothing useful and is optional for the MDIO bus
code, so let's just remove it.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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fs_enet_fec_mii_reset() does nothing useful and is optional for the MDIO
bus code, so let's just remove it.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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fec_enet_mdio_reset() does nothing useful and is optional for the MDIO
bus code, so let's just remove it.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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ethoc_mdio_reset() does nothing useful and is optional for the MDIO bus
code, so let's just remove it.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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dnet_mdio_reset() does nothing useful and is optional for the MDIO bus
code, so let's just remove it.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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macb_mdio_reset() does nothing useful and is optional for the MDIO bus
code, so let's just remove it.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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tg3_mdio_reset() does nothing useful and is optional for the MDIO bus
code, so let's just remove it.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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greth_mdio_reset() does nothing useful and this function is optional for
the MDIO bus code, so let's just remove it.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When the UniMAC block is configured to forward the CRC as part of the
Ethernet frame (priv->crc_fwd_en, set by default), enabling the hardware
RX checksum block unveiled that the dma_rxchk_bit was never set in the
per-packet status bits (dma_flag in bcmgenet_desc_rx). This would make
the chksum_ok variable to be never set to 1, and the networking stack
would have to compute the packet checksums, which takes a substantial
amount of time.
In order for the RXCHK block to properly compute the packet checksum in
hardware, we also need to set the RBUF_SKIP_FCS bit accordingly.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The second parameter of __mlx4_init_one() is used to identify whether the
pci_dev is a PF or VF. Currently, when it is invoked in mlx4_pci_slot_reset()
this information is missed.
This patch match the pci_dev with mlx4_pci_table and passes the
pci_device_id.driver_data to __mlx4_init_one() in mlx4_pci_slot_reset().
Signed-off-by: Wei Yang <weiyang@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use del_timer_sync to ensure that the timer is stopped on all CPUs before
the driver exists.
This change was suggested by Thomas Gleixner
The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)
// <smpl>
@r@
declarer name module_exit;
identifier ex;
@@
module_exit(ex);
@@
identifier r.ex;
@@
ex(...) {
<...
- del_timer
+ del_timer_sync
(...)
...>
}
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This fixes a race which happens by freeing an object on the stack.
Quoting Julius:
> The issue is
> that it calls usbnet_terminate_urbs() before that, which temporarily
> installs a waitqueue in dev->wait in order to be able to wait on the
> tasklet to run and finish up some queues. The waiting itself looks
> okay, but the access to 'dev->wait' is totally unprotected and can
> race arbitrarily. I think in this case usbnet_bh() managed to succeed
> it's dev->wait check just before usbnet_terminate_urbs() sets it back
> to NULL. The latter then finishes and the waitqueue_t structure on its
> stack gets overwritten by other functions halfway through the
> wake_up() call in usbnet_bh().
The fix is to just not allocate the data structure on the stack.
As dev->wait is abused as a flag it also takes a runtime PM change
to fix this bug.
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Reported-by: Grant Grundler <grundler@google.com>
Tested-by: Grant Grundler <grundler@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commit 370d4a26 "bnx2x: Create workqueue for IOV related tasks" breaks bnx2x
compilation when CONFIG_BNX2X_SRIOV is not set - "multiple definition of
`bnx2x_schedule_iov_task'".
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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update description in Kconfig to state rtl8180 driver
now supports also rtl8187se cards
Signed-off-by: Andrea Merello <andrea.merello@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Finally make rtl8187se works (hopefylly).
This patch adds PCI ID for rtl8187, updates copyright notes and
updates MODULE_DESCRIPTION.
Signed-off-by: Andrea Merello <andrea.merello@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Add case to detect the rtl8187se card and its RF frontend.
In this case set also accordingly mac80211 queue number.
Signed-off-by: Andrea Merello <andrea.merello@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Introduce a new function to configure AC parameters for TX queues
on rtl8187se cards, and hook it onto mac80211 in order to enable
WMM support.
Signed-off-by: Andrea Merello <andrea.merello@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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MSR register for rtl8187se must always have ENEDCA flag set.
Write it accordingly when updated on BSS change.
Signed-off-by: Andrea Merello <andrea.merello@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch adds ERP configuration support for rtl8187se to the
existing ERP configuration function.
It needs a different register offset and it must not apply
rtl8185 workaround.
Signed-off-by: Andrea Merello <andrea.merello@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch adds few functions that initializes extra stuff that
is present only in rtl8187se HW, and it modify the existing
HW initialization function where necessary
Signed-off-by: Andrea Merello <andrea.merello@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch introduce new RF code for rtl8225 zebra v4 radio
frontend.
This code contains a lot of black magic and it can work probably
only with the radio embdedded in the rtl8187se single-chip.
Signed-off-by: Andrea Merello <andrea.merello@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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rtl8180 has one register for analog converters setting ,rtl8185 has
two and rtl8187se has three.
Setting those registers require more than a simple write, and for
one of them a function is already provided.
This patch introduces functions for the other two.
rtl8187se will use them. rtl8185 doesen't yet, but should
Signed-off-by: Andrea Merello <andrea.merello@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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rtl8187se nees extra parameters to be read from the eeprom.
This patch adds support for it
Signed-off-by: Andrea Merello <andrea.merello@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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configuration of carbus-related registers is different for
rtl8187se.
Introduce a dedicated function that does it for all cards in the
proper way
Signed-off-by: Andrea Merello <andrea.merello@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch adds tx queue mapping for rtl8187se and a long comment
block about their usages.
It adapts the TX function to use that map and it sets properly
the TX descriptor rtl8187se-only fields
Signed-off-by: Andrea Merello <andrea.merello@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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MAR registers are not present in rtl8187se, and attempting to
write to them must be avoided
Signed-off-by: Andrea Merello <andrea.merello@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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rtl8187se
This patch introduces two dedicated functions for enabling and
disabling ints.
Support for rtl8187se is also added to them
Signed-off-by: Andrea Merello <andrea.merello@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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rtl8187se has more queues and different ISR flags.
This patch adds a separated ISR handler for rtl8187se
Signed-off-by: Andrea Merello <andrea.merello@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Currently RX status descriptor and RX command descriptor are
represented using the same struct type.
This patch splits this by introducing different types for
rx status and command descriptor.
Doing this make it possible to handle rtl8187se RX descriptors
easier.
This patch do also this by adding specific cases where needed.
Signed-off-by: Andrea Merello <andrea.merello@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Basic rate configuration is a bit different for rtl8187se.
Adding this also fixes the gcc warning introduced in last patch
about unhandled case in switch.
Signed-off-by: Andrea Merello <andrea.merello@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch modifies the TX descriptor struct so it can work also
for rtl8187se.
Some reserved field is now meaningful, and where needed union is
used.
Signed-off-by: Andrea Merello <andrea.merello@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Add back rtl8187se chip type to the enum for known chips.
This causes unhandled switch/case warning that will be fixed
in following patch
Signed-off-by: Andrea Merello <andrea.merello@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Adds registers for rtl8187se to the rtl818x common struct
Signed-off-by: Andrea Merello <andrea.merello@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Sometimes we may end up downloading other commands when host
sleep is configured. This patch makes sure that pending
commands are cancelled and we stop queueing further commands
during host sleep.
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Incremented sequence number was not being used for SLEEP confirm
command. This patch fixes the issue.
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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When next scan command is delayed due to Tx traffic and
meanwhile synchronous command is received followed by a signal,
we cance all pending commands. NULL pointer dereference is seen
in this case while queueing next command in scan delay timer.
This patch adds a check to fix this issue.
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The struct cfg80211_connect_params indicate whether the connection
should use management frame protection (mfp). If required set the
MFP_CAPABLE flag in the firmware command. This is supported from
user-space by wpa_supplicant since v2.1.
Reviewed-by: Daniel (Deognyoun) Kim <dekim@broadcom.com>
Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Casting a pointer to a pointer of the same type is pointless,
so remove these unnecessary casts.
Around these changes:
o Remove unnecessary parentheses
o Use consistent dereference style (change ptr[0] to *ptr)
o Argument alignment
Done via coccinelle script: (and some typing)
$ cat typecast_2.cocci
@@
type T;
T *foo;
@@
- (T *)foo
+ foo
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Casting a pointer to a pointer of the same type is pointless,
so remove these unnecessary casts.
Done via coccinelle script:
$ cat typecast_2.cocci
@@
type T;
T *foo;
@@
- (T *)foo
+ foo
Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Casting a pointer to a pointer of the same type is pointless,
so remove these unnecessary casts.
Done via coccinelle script:
$ cat typecast_2.cocci
@@
type T;
T *foo;
@@
- (T *)foo
+ foo
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Using addressof then casting to the original type is pointless,
so remove these unnecessary casts.
Done via coccinelle script:
$ cat typecast.cocci
@@
type T;
T foo;
@@
- (T *)&foo
+ &foo
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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On currently supported HW there are four TX queues (three for normal
packets and one for beacons).
The driver uses just one TX queue, and declare to mac80211 to
support just one queue, but it allocates coherent memory for all
queues.
Furthermore the TX is code is written assumimg four queues exists,
and even if we decide to enable more queues in future, its mapping
rule to mac80211 is fixed.
This means we have memory waste on rtl8180/rtl8185, and we have also
not enough flexibility to add support for boards (rtl8187se) that
will use more queues.
This patch changes things in order to allocate coherent memory only
for the queues effectively used and it make it possible to specify
how to map hardware queues on mac80211 queues, that will be used
by rtl8187se code as soon it will be merged.
Note: even if the beacon queue is currently unused, this should
change, so I kept it.
Signed-off-by: Andrea Merello <andrea.merello@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Hw DMA registers are written in rtl8180_init_hw function.
They are also written again just after calling rtl8180_init_hw.
There is no point in doing this twice.
Remove those redundant register writes from rtl8180_start.
Signed-off-by: Andrea Merello <andrea.merello@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Current error handling of virtqueue_kick() was wrong in two places:
- The skb were freed immediately when virtqueue_kick() fail during
xmit. This may lead double free since the skb was not detached from
the virtqueue.
- try_fill_recv() returns false when virtqueue_kick() fail. This will
lead unnecessary rescheduling of refill work.
Actually, it's safe to just ignore the kick failure in those two
places. So this patch fixes this by partially revert commit
67975901183799af8e93ec60e322f9e2a1940b9b.
Fixes 67975901183799af8e93ec60e322f9e2a1940b9b
(virtio_net: verify if virtqueue_kick() succeeded).
Cc: Heinz Graalfs <graalfs@linux.vnet.ibm.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Byungho An says:
====================
This is 14th posting for SAMSUNG SXGBE driver.
Changes since v1:
- changed name of driver to SXGbE as per Ben's comment
- squashed Joe's neatening for many stuff in original patches
Changes since v2:
- updated and split binding document as per Mark's comment
- clean up codes as per Joe's comment
- removed unused fields and clean up codes as per Francois's comment
- removed module parameters as per Dave's comment
- moved driver directory to samsung/sxgbe/
Changes since v3:
- fixed Missing a blank line after declarations as per Dave's comment
- clean up codes as per Joe's comment
- removed reference of net_device.{irq, base_addr} as per Francois's comment
Changes since v4:
- updated binding document and DT related function as per Mark's comment
Changes since v5:
- updated binding document and DT related function as per Florian's comment
- fixed typo and shortened code as per Joe's comment
Changes since v6:
- updated TSO related functions as per Rayagond's comment
- updated binding document as per Mark's comment
- removed WoL patch from this patch set
Changes since v7:
- updated TSO related functions as per Rayagond's comment
Changes since v8:
- removed select and depends statement from vendor sub-section as per
Dave's comment
Changes since v9:
- removed adv-add-map, force-sf-dma-modei and force-thresh-dma-mode from
binding documnet as per Mark's comment
Changes since v10:
- clean up codes as per Francois's comment
Changes since v11:
- clean up mdio_read/write codes as per Francois's comment
- changed irq acquisition error path as per Francois's comment
- updated mdio and platform related codes as per Tomasz'comment
- clean up dma related codes as per Vince's comment
Changes since v12:
- fixed typo
Changes since v13:
- clean up error path codes for irqs as per Francois's comment
- removed unsupported functions for ehttoolirq as per Ben's comment
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch replaces rcu_assign_pointer(x, NULL) with RCU_INIT_POINTER(x, NULL)
The rcu_assign_pointer() ensures that the initialization of a structure
is carried out before storing a pointer to that structure.
And in the case of the NULL pointer, there is no structure to initialize.
So, rcu_assign_pointer(p, NULL) can be safely converted to RCU_INIT_POINTER(p, NULL)
Signed-off-by: Monam Agarwal <monamagarwal123@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch replaces rcu_assign_pointer(x, NULL) with RCU_INIT_POINTER(x, NULL)
The rcu_assign_pointer() ensures that the initialization of a structure
is carried out before storing a pointer to that structure.
And in the case of the NULL pointer, there is no structure to initialize.
So, rcu_assign_pointer(p, NULL) can be safely converted to RCU_INIT_POINTER(p, NULL)
Signed-off-by: Monam Agarwal <monamagarwal123@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The mvneta driver currently uses of_iomap(), which has two drawbacks:
it doesn't request the resource, and it isn't devm-style so some error
handling is needed.
This commit switches to use devm_ioremap_resource() instead, which
automatically requests the resource (so the I/O registers region shows
up properly in /proc/iomem), and also is devm-style, which allows to
get rid of some error handling to unmap the I/O registers region.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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