Commit Graph

306 Commits

Author SHA1 Message Date
Linus Torvalds
8a9ea3237e Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1745 commits)
  dp83640: free packet queues on remove
  dp83640: use proper function to free transmit time stamping packets
  ipv6: Do not use routes from locally generated RAs
  |PATCH net-next] tg3: add tx_dropped counter
  be2net: don't create multiple RX/TX rings in multi channel mode
  be2net: don't create multiple TXQs in BE2
  be2net: refactor VF setup/teardown code into be_vf_setup/clear()
  be2net: add vlan/rx-mode/flow-control config to be_setup()
  net_sched: cls_flow: use skb_header_pointer()
  ipv4: avoid useless call of the function check_peer_pmtu
  TCP: remove TCP_DEBUG
  net: Fix driver name for mdio-gpio.c
  ipv4: tcp: fix TOS value in ACK messages sent from TIME_WAIT
  rtnetlink: Add missing manual netlink notification in dev_change_net_namespaces
  ipv4: fix ipsec forward performance regression
  jme: fix irq storm after suspend/resume
  route: fix ICMP redirect validation
  net: hold sock reference while processing tx timestamps
  tcp: md5: add more const attributes
  Add ethtool -g support to virtio_net
  ...

Fix up conflicts in:
 - drivers/net/Kconfig:
	The split-up generated a trivial conflict with removal of a
	stale reference to Documentation/networking/net-modules.txt.
	Remove it from the new location instead.
 - fs/sysfs/dir.c:
	Fairly nasty conflicts with the sysfs rb-tree usage, conflicting
	with Eric Biederman's changes for tagged directories.
2011-10-25 13:25:22 +02:00
Linus Torvalds
59e5253417 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (59 commits)
  MAINTAINERS: linux-m32r is moderated for non-subscribers
  linux@lists.openrisc.net is moderated for non-subscribers
  Drop default from "DM365 codec select" choice
  parisc: Kconfig: cleanup Kernel page size default
  Kconfig: remove redundant CONFIG_ prefix on two symbols
  cris: remove arch/cris/arch-v32/lib/nand_init.S
  microblaze: add missing CONFIG_ prefixes
  h8300: drop puzzling Kconfig dependencies
  MAINTAINERS: microblaze-uclinux@itee.uq.edu.au is moderated for non-subscribers
  tty: drop superfluous dependency in Kconfig
  ARM: mxc: fix Kconfig typo 'i.MX51'
  Fix file references in Kconfig files
  aic7xxx: fix Kconfig references to READMEs
  Fix file references in drivers/ide/
  thinkpad_acpi: Fix printk typo 'bluestooth'
  bcmring: drop commented out line in Kconfig
  btmrvl_sdio: fix typo 'btmrvl_sdio_sd6888'
  doc: raw1394: Trivial typo fix
  CIFS: Don't free volume_info->UNC until we are entirely done with it.
  treewide: Correct spelling of successfully in comments
  ...
2011-10-25 12:11:02 +02:00
Richard Cochran
8b3408f8ee dp83640: free packet queues on remove
If the PHY should disappear (for example, on an USB Ethernet MAC), then
the driver would leak any undelivered time stamp packets. This commit
fixes the issue by calling the appropriate functions to free any packets
left in the transmit and receive queues.

The driver first appeared in v3.0.

Signed-off-by: Richard Cochran <richard.cochran@omicron.at>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-10-24 19:14:50 -04:00
Richard Cochran
f5ff7cd1a8 dp83640: use proper function to free transmit time stamping packets
The previous commit enforces a new rule for handling the cloned packets
for transmit time stamping. These packets must not be freed using any other
function than skb_complete_tx_timestamp. This commit fixes the one and only
driver using this API.

The driver first appeared in v3.0.

Signed-off-by: Richard Cochran <richard.cochran@omicron.at>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-10-24 19:14:50 -04:00
David S. Miller
1805b2f048 Merge branch 'master' of ra.kernel.org:/pub/scm/linux/kernel/git/davem/net 2011-10-24 18:18:09 -04:00
Dirk Eibach
f42af6c486 net: Fix driver name for mdio-gpio.c
Since commit
"7488876... dt/net: Eliminate users of of_platform_{,un}register_driver"
there are two platform drivers named "mdio-gpio" registered.
I renamed the of variant to "mdio-ofgpio".

Signed-off-by: Dirk Eibach <eibach@gdsys.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-10-24 17:24:40 -04:00
Andy Fleming
fddf86fc46 phylib: Modify Vitesse RGMII skew settings
The Vitesse driver was using the RGMII_ID interface type to determine if
skew was necessary.  However, we want to move away from using that
interface type, as it's really a property of the board's PHY connection.
However, some boards depend on it, so we want to support it, while
allowing new boards to use the more flexible "fixups" approach.  To do
this, we extract the code which adds skew into its own function, and
call that function when RGMII_ID has been selected.

Another side-effect of this change is that if your PHY has skew set
already, it doesn't clear it.  This way, the fixup code can modify the
register without config_init then clearing it.

Signed-off-by: Andy Fleming <afleming@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-10-19 15:59:45 -04:00
Giuseppe CAVALLARO
a4886d522e net/phy: extra delay only for RGMII interfaces for IC+ IP 1001
The extra delay of 2ns to adjust RX clock phase is actually needed
in RGMII mode. Tested on the HDK7108 (STx7108c2).

Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-10-18 23:50:02 -04:00
David S. Miller
88c5100c28 Merge branch 'master' of github.com:davem330/net
Conflicts:
	net/batman-adv/soft-interface.c
2011-10-07 13:38:43 -04:00
David Daney
76231e0297 netdev/phy/icplus: Use mdiobus_write() and mdiobus_read() for proper locking.
Usually you have to take the bus lock.  Why not here too?

I saw this when working on something else.  Not even compile tested.

Signed-off-by: David Daney <david.daney@cavium.com>
Cc: Greg Dietsche <Gregory.Dietsche@cuw.edu>
Cc: "Uwe Kleine-Konig" <u.kleine-koenig@pengutronix.de>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-09-30 18:54:08 -04:00
David Daney
6fe3264945 netdev/phy: Use mdiobus_read() so that proper locks are taken.
Accesses to the mdio busses must be done with the mdio_lock to ensure
proper operation.  Conveniently we have the helper function
mdiobus_read() to do that for us.  Lets use it in get_phy_id() instead
of accessing the bus without the lock held.

Signed-off-by: David Daney <david.daney@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-09-30 18:54:08 -04:00
Richard Cochran
02715ed2e7 dp83640: reduce driver noise
The driver has two warning messages that might be triggered
by normal use cases. When they appear, the messages give the
impression of a never ending series of errors.

This commit changes them to debug messages instead.

Signed-off-by: Richard Cochran <richard.cochran@omicron.at>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-09-29 00:32:04 -04:00
Joe Perches
bfb9035c98 treewide: Correct spelling of successfully in comments
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2011-09-27 18:08:04 +02:00
Richard Cochran
dccaa9e091 dp83640: add time stamp insertion for sync messages
This commit adds one step support to the phyter. When enabled, the
hardware does not provide time stamps for transmitted sync messages but
instead inserts the stamp into the outgoing packet.

Signed-off-by: Richard Cochran <richard.cochran@omicron.at>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-09-26 16:02:47 -04:00
Richard Cochran
49b3fd4aff dp83640: enable six external events and one periodic output
This patch enables six external event channels and one periodic output.
One GPIO is reserved for synchronizing multiple PHYs. The assignment
of GPIO functions can be changed via a module parameter.

The code supports multiple simultaneous events by inducing a PTP clock
event for every channel marked in the PHY's extended status word.

Signed-off-by: Richard Cochran <richard.cochran@omicron.at>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-09-26 16:02:43 -04:00
David S. Miller
8decf86879 Merge branch 'master' of github.com:davem330/net
Conflicts:
	MAINTAINERS
	drivers/net/Kconfig
	drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
	drivers/net/ethernet/broadcom/tg3.c
	drivers/net/wireless/iwlwifi/iwl-pci.c
	drivers/net/wireless/iwlwifi/iwl-trans-tx-pcie.c
	drivers/net/wireless/rt2x00/rt2800usb.c
	drivers/net/wireless/wl12xx/main.c
2011-09-22 03:23:13 -04:00
Giuseppe CAVALLARO
9c9b1f24f2 net/phy: add IC+ IP101A and support APS.
This patch adds the IC+ IP101A Single port 10/100 PHY
and supports the APS (i.e. power saving mode while link is down)
for both IP1001 and IP101A (where this mode is supported).

Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-09-20 15:50:29 -04:00
Jeff Kirsher
88491d8103 drivers/net: Kconfig & Makefile cleanup
The is does a general cleanup of the drivers/net/ Kconfig and
Makefile.  This patch create a "core" option and places all
the networking core drivers into this option (default is yes
for this option).  In addition, it alphabitizes the Kconfig
driver options.

As a side cleanup, found that the arcnet, token ring, and PHY
Kconfig options were a tri-state option and should have been
a bool option.

Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2011-08-27 00:58:49 -07:00
Giuseppe CAVALLARO
6e6f400f53 net/phy: fix DP83865 phy interrupt handler
According to the DP83865 datasheet we need to clear
the interrupt status bit by writing a 1 to the
corresponding bit in INT_CLEAR (2:0 are reserved).

Proposed and tested by Thorsten.

Signed-off-by: Thorsten Schubert <tshu@msc-ge.com>
Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-08-26 12:48:24 -04:00
Richard Cochran
8028837d71 dp83640: increase receive time stamp buffer size
The dp83640 buffers receive time stamps from special PHY status frames,
matching them to received PTP packets in a work queue. Because the timeout
for orphaned time stamps is so long and the buffer is so small, the driver
can drop time stamps under moderate PTP traffic.

This commit fixes the issue by decreasing the timeout to (at least) one
timer tick and increasing the buffer size.

Signed-off-by: Richard Cochran <richard.cochran@omicron.at>
Cc: <stable@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-08-07 22:53:22 -07:00
Arun Sharma
60063497a9 atomic: use <linux/atomic.h>
This allows us to move duplicated code in <asm/atomic.h>
(atomic_inc_not_zero() for now) to <linux/atomic.h>

Signed-off-by: Arun Sharma <asharma@fb.com>
Reviewed-by: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: David Miller <davem@davemloft.net>
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-26 16:49:47 -07:00
David S. Miller
9f6ec8d697 Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
	drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
	drivers/net/wireless/rtlwifi/pci.c
	net/netfilter/ipvs/ip_vs_core.c
2011-06-20 22:29:08 -07:00
Greg Dietsche
0a3f084179 net: icplus: remove unnecessary code
Compile tested.
remove unnecessary code that matches this coccinelle pattern
	if (...)
		return ret;
	return ret;

Signed-off-by: Greg Dietsche <Gregory.Dietsche@cuw.edu>
Signed-off-by: David S. Miller <davem@conan.davemloft.net>
2011-06-17 00:03:04 -04:00
Richard Cochran
ae6e86b7fb dp83640: drop PHY status frames in the driver.
The dp83640 PHY provides time stamp and other information via special
PHY status frames. Previously, the driver decoded the frames and then
let the network stack drop them. This works fine when the PTP messages
come over UDP.

However, when receiving PTP messages via L2 packets, this creates a
problem. The status frames use the official PTP destination MAC address,
and so they are delivered to user space along with the "real" frames,
causing confusion for applications.

This commit fixes the issue by simply dropping the PHY status frames
in the driver.

Signed-off-by: Richard Cochran <richard.cochran@omicron.at>
Signed-off-by: David S. Miller <davem@conan.davemloft.net>
2011-06-16 23:48:12 -04:00
Richard Cochran
2331038a96 dp83640: fix phy status frame event parsing
If two eternal time stamp events occur at nearly the same time, the
phyter will add an extra word into the status frame. This commit fixes
the parsing code to recognize and skip over the extra word.

Signed-off-by: Richard Cochran <richard.cochran@omicron.at>
Signed-off-by: David S. Miller <davem@conan.davemloft.net>
2011-06-16 23:48:12 -04:00
Ralf Baechle
f1dc045e68 phylib: Allow BCM63XX PHY to be selected only on BCM63XX.
This PHY is available integrated into BCM63xx series SOCs only.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

 drivers/net/phy/Kconfig |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
Acked-by: Florian Fainelli <ffainelli@freebox.fr>
Signed-off-by: David S. Miller <davem@conan.davemloft.net>
2011-06-16 23:45:01 -04:00
John Stultz
86ff9baadf ptp: Fix dp83640 build warning when building statically
If the dp83640 driver is not built as a module, the
MODULE_DEVICE_TABLE reference to dp83640_tbl nops out.

Since the table isn't referenced elsewhere, it it causes
the following warning:
drivers/net/phy/dp83640.c:1095: warning: ‘dp83640_tbl’ defined but not used

This apparently is common with mdio_device_id table structures,
and is avoided by using __maybe_unused annotation.

Signed-off-by: John Stultz <john.stultz@linaro.org>
2011-05-23 13:32:11 -07:00
Richard Cochran
cb646e2b02 ptp: Added a clock driver for the National Semiconductor PHYTER.
This patch adds support for the PTP clock found on the DP83640.
The basic clock operations and one external time stamp have
been implemented.

Signed-off-by: Richard Cochran <richard.cochran@omicron.at>
Signed-off-by: John Stultz <john.stultz@linaro.org>
2011-05-23 13:10:23 -07:00
David Decotigny
7073949720 ethtool: cosmetic: Use ethtool ethtool_cmd_speed API
This updates the network drivers so that they don't access the
ethtool_cmd::speed field directly, but use ethtool_cmd_speed()
instead.

For most of the drivers, these changes are purely cosmetic and don't
fix any problem, such as for those 1GbE/10GbE drivers that indirectly
call their own ethtool get_settings()/mii_ethtool_gset(). The changes
are meant to enforce code consistency and provide robustness with
future larger throughputs, at the expense of a few CPU cycles for each
ethtool operation.

All drivers compiled with make allyesconfig ion x86_64 have been
updated.

Tested: make allyesconfig on x86_64 + e1000e/bnx2x work
Signed-off-by: David Decotigny <decot@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-04-29 14:03:01 -07:00
David Decotigny
25db033881 ethtool: Use full 32 bit speed range in ethtool's set_settings
This makes sure the ethtool's set_settings() callback of network
drivers don't ignore the 16 most significant bits when ethtool calls
their set_settings().

All drivers compiled with make allyesconfig on x86_64 have been
updated.

Signed-off-by: David Decotigny <decot@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-04-29 14:03:00 -07:00
Linus Torvalds
42933bac11 Merge branch 'for-linus2' of git://git.profusion.mobi/users/lucas/linux-2.6
* 'for-linus2' of git://git.profusion.mobi/users/lucas/linux-2.6:
  Fix common misspellings
2011-04-07 11:14:49 -07:00
Lucas De Marchi
25985edced Fix common misspellings
Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
2011-03-31 11:26:23 -03:00
Marc Kleine-Budde
d005a09edf phylib: phy_attach_direct: phy_init_hw can fail, add cleanup
The function phy_attach_direct attaches the phy and calls phy_init_hw.
phy_init_hw can fail, but the phy is still marked as attached. Successive
calls to phy_attach_direct will fail because the phy is busy.

[    1.020000] eth0: Freescale FEC PHY driver [Generic PHY] (mii_bus:phy_addr=1:00, irq=-1)
[    1.030000] eth1: Freescale FEC PHY driver [Generic PHY] (mii_bus:phy_addr=1:01, irq=-1)
[    2.050000] Sending DHCP requests .
[    3.020000] PHY: 1:00 - Link is Up - 100/Full
[    5.110000] ..... timed out!
[   87.660000] IP-Config: Reopening network devices...
[   88.190000] FEC: MDIO read timeout
[   88.190000] eth0: could not attach to PHY
[   88.190000] IP-Config: Failed to open eth0
[   88.210000] FEC: MDIO read timeout
[   88.210000] eth1: could not attach to PHY
[   88.210000] IP-Config: Failed to open eth1
[   88.220000] IP-Config: No network devices available.
[   88.220000] Freeing init memory: 6968K

[...]

starting network interfaces...
ip: RTNETLINK answers: File exists
[   94.000000] net eth0: PHY already attached
[   94.010000] eth0: could not attach to PHY
ip: SIOCSIFFLAGS: Device or resource busy

This patch adds phy_detach to clean up if phy_init_hw fails.

Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-30 02:31:36 -07:00
Linus Torvalds
4c5811bf46 Merge branch 'devicetree/next' of git://git.secretlab.ca/git/linux-2.6
* 'devicetree/next' of git://git.secretlab.ca/git/linux-2.6: (21 commits)
  tty: serial: altera_jtaguart: Add device tree support
  tty: serial: altera_uart: Add devicetree support
  dt: eliminate of_platform_driver shim code
  dt: Eliminate of_platform_{,un}register_driver
  dt/serial: Eliminate users of of_platform_{,un}register_driver
  dt/usb: Eliminate users of of_platform_{,un}register_driver
  dt/video: Eliminate users of of_platform_{,un}register_driver
  dt/net: Eliminate users of of_platform_{,un}register_driver
  dt/sound: Eliminate users of of_platform_{,un}register_driver
  dt/spi: Eliminate users of of_platform_{,un}register_driver
  dt: uartlite: merge platform and of_platform driver bindings
  dt: xilinx_hwicap: merge platform and of_platform driver bindings
  ipmi: convert OF driver to platform driver
  leds/leds-gpio: merge platform_driver with of_platform_driver
  dt/sparc: Eliminate users of of_platform_{,un}register_driver
  dt/powerpc: Eliminate users of of_platform_{,un}register_driver
  dt/powerpc: move of_bus_type infrastructure to ibmebus
  drivercore/dt: add a match table pointer to struct device
  dt: Typo fix.
  altera_ps2: Add devicetree support
  ...
2011-03-16 17:28:10 -07:00
Peter Korsgaard
af1dc13e60 phylib: SIOCGMIIREG/SIOCSMIIREG: allow access to all mdio addresses
phylib would silently ignore the phy_id argument to these ioctls and
perform the read/write with the active phydev address, whereas most
non-phylib drivers seem to allow access to all mdio addresses
(E.G. pcnet_cs).

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-14 15:02:14 -07:00
Grant Likely
74888760d4 dt/net: Eliminate users of of_platform_{,un}register_driver
Get rid of users of of_platform_driver in drivers/net.  The
of_platform_{,un}register_driver functions are going away, so the
users need to be converted to using the platform_bus_type directly.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2011-02-28 13:22:44 -07:00
Baruch Siach
d606ef3fe0 phy/micrel: add ability to support 50MHz RMII clock on KZS8051RNL
Platform code can now set the MICREL_PHY_50MHZ_CLK bit of dev_flags in a fixup
routine (registered with phy_register_fixup_for_uid()), to make the KZS8051RNL
PHY work with 50MHz RMII reference clock.

Cc: David J. Choi <david.choi@micrel.com>
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-14 17:38:30 -08:00
hartleys
d5e219c3a2 phy: Remove unneeded depends on PHYLIB
Remove unneeded depends on PHYLIB.  The config selection is already in
an if PHYLIB / endif block.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-11 22:01:08 -08:00
David S. Miller
b4aa9e05a6 Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
	drivers/net/bnx2x/bnx2x.h
	drivers/net/wireless/iwlwifi/iwl-1000.c
	drivers/net/wireless/iwlwifi/iwl-6000.c
	drivers/net/wireless/iwlwifi/iwl-core.h
	drivers/vhost/vhost.c
2010-12-17 12:27:22 -08:00
Giuseppe CAVALLARO
377ecca9ba phy: add the IC+ IP1001 driver
This patch adds the IC+ IP1001 (Gigabit Ethernet Transceiver) driver.
I've had to add an additional delay (2ns) to adjust RX clock phase at
GMII/ RGMII interface (according to the PHY data-sheet). This helps to
have the RGMII working on some ST platforms.

Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-10 15:48:43 -08:00
David S. Miller
fe6c791570 Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
	drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
	net/llc/af_llc.c
2010-12-08 13:47:38 -08:00
Uwe Kleine-König
a40c9f88b5 net: add some KERN_CONT markers to continuation lines
Cc: netdev@vger.kernel.org
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-11-28 10:47:17 -08:00
David Daney
cf41a51db8 of/phylib: Use device tree properties to initialize Marvell PHYs.
Some aspects of PHY initialization are board dependent, things like
indicator LED connections and some clocking modes cannot be determined
by probing.  The dev_flags element of struct phy_device can be used to
control these things if an appropriate value can be passed from the
Ethernet driver.  We run into problems however if the PHY connections
are specified by the device tree.  There is no way for the Ethernet
driver to know what flags it should pass.

If we are using the device tree, the struct phy_device will be
populated with the device tree node corresponding to the PHY, and we
can extract extra configuration information from there.

The next question is what should the format of that information be?
It is highly device specific, and the device tree representation
should not be tied to any arbitrary kernel defined constants.  A
straight forward representation is just to specify the exact bits that
should be set using the "marvell,reg-init" property:

      phy5: ethernet-phy@5 {
        reg = <5>;
        compatible = "marvell,88e1149r";
        marvell,reg-init =
                /* led[0]:1000, led[1]:100, led[2]:10, led[3]:tx */
                <3 0x10 0 0x5777>, /* Reg 3,16 <- 0x5777 */
                /* mix %:0, led[0123]:drive low off hiZ */
                <3 0x11 0 0x00aa>, /* Reg 3,17 <- 0x00aa */
                /* default blink periods. */
                <3 0x12 0 0x4105>, /* Reg 3,18 <- 0x4105 */
                /* led[4]:rx, led[5]:dplx, led[45]:drive low off hiZ */
                <3 0x13 0 0x0a60>; /* Reg 3,19 <- 0x0a60 */
      };

      phy6: ethernet-phy@6 {
        reg = <6>;
        compatible = "marvell,88e1118";
        marvell,reg-init =
                /* Fix rx and tx clock transition timing */
                <2 0x15 0xffcf 0>, /* Reg 2,21 Clear bits 4, 5 */
                /* Adjust LED drive. */
                <3 0x11 0 0x442a>, /* Reg 3,17 <- 0442a */
                /* irq, blink-activity, blink-link */
                <3 0x10 0 0x0242>; /* Reg 3,16 <- 0x0242 */
      };

The Marvell PHYs have a page select register at register 22 (0x16), we
can specify any register by its page and register number.  These are
the first and second word.  The third word contains a mask to be ANDed
with the existing register value, and the fourth word is ORed with the
result to yield the new register value.  The new marvell_of_reg_init
function leaves the page select register unchanged, so a call to it
can be dropped into the .config_init functions without unduly
affecting the state of the PHY.

If CONFIG_OF_MDIO is not set, there is no of_node, or no
"marvell,reg-init" property, the PHY initialization is unchanged.

Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Cyril Chemparathy <cyril@ti.com>
Cc: David Daney <ddaney@caviumnetworks.com>
Cc: Arnaud Patard <arnaud.patard@rtp-net.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Reviewed-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-11-22 08:34:23 -08:00
David Daney
90600732d8 phylib: Add support for Marvell 88E1149R devices.
The 88E1149R is 10/100/1000 quad-gigabit Ethernet PHY.  The
.config_aneg function can be shared with 88E1118, but it needs its own
.config_init.

Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Cc: Cyril Chemparathy <cyril@ti.com>
Cc: Arnaud Patard <arnaud.patard@rtp-net.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-11-22 08:34:23 -08:00
David Daney
27d916d680 phylib: Use common page register definition for Marvell PHYs.
The definition of the Marvell PHY page register is not specific to
88E1121, so rename the macro to MII_MARVELL_PHY_PAGE, and use it
throughout.

Suggested-by: Cyril Chemparathy <cyril@ti.com>
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Cc: Cyril Chemparathy <cyril@ti.com>
Cc: Arnaud Patard <arnaud.patard@rtp-net.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-11-22 08:34:22 -08:00
Cyril Chemparathy
337ac9d521 phy/marvell: rename 88ec048 to 88e1318s and fix mscr1 addr
The marvell 88ec048's official part number is 88e1318s.  This patch renames
definitions in the driver to reflect this.

In addition, a minor bug fix has been added to write back the MSCR1 register
value properly.

Signed-off-by: Cyril Chemparathy <cyril@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-10-29 13:50:25 -07:00
stephen hemminger
89ff05ec55 phylib: make local function static
The following functions are not used directly by any drivers:
    phy_attach_direct
    phy_device_create
    phy_prepare_link
    genphy_config_advert
    genphy_setup_forced
    phy_config_interrupt
    phy_clear_interrypt
    phy_sanitize_settings
    phy_enable_interrupts
    phy_disable_interrupts

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-10-24 15:07:11 -07:00
Arnaud Patard
be8c648051 phy/marvell: fix 88e1121 support
Commit c477d0447d added support for RGMII
rx/tx delays except that it ends up clearing rx/tx delays bit for modes
differents that RGMII*ID. Due to this, ethernet is not working anymore
on my guruplug server +. This patch is fixing that.

Signed-off-by: Arnaud Patard <arnaud.patard@rtp-net.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-10-21 03:59:57 -07:00
Uwe Kleine-König
10ff4c6829 don't let BCM63XX_PHY depend on non-existant symbol
The kernel doesn't have a symbol called BCM63XX.  There is a symbol
BCM63XX_ENET (introduced in 9b1fc55a05, 6 weeks after 09bb9aa0ed that
introduced BCM63XX_PHY), but the driver compiles without that, too.

Cc: Maxime Bizon <mbizon@freebox.fr>
Cc: Florian Fainelli <florian@openwrt.org>
Cc: David S. Miller <davem@davemloft.net>
Cc: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-10-05 00:34:30 -07:00
Uwe Kleine-König
cf93c94581 net/phy: fix many "defined but unused" warnings
MODULE_DEVICE_TABLE only expands to something if it's compiled
for a module.  So when building-in support for the phys, the
mdio_device_id tables are unused.  Marking them with __maybe_unused
fixes the following warnings:

	drivers/net/phy/bcm63xx.c:134: warning: 'bcm63xx_tbl' defined but not used
	drivers/net/phy/broadcom.c:933: warning: 'broadcom_tbl' defined but not used
	drivers/net/phy/cicada.c:162: warning: 'cicada_tbl' defined but not used
	drivers/net/phy/davicom.c:222: warning: 'davicom_tbl' defined but not used
	drivers/net/phy/et1011c.c:114: warning: 'et1011c_tbl' defined but not used
	drivers/net/phy/icplus.c:137: warning: 'icplus_tbl' defined but not used
	drivers/net/phy/lxt.c:226: warning: 'lxt_tbl' defined but not used
	drivers/net/phy/marvell.c:724: warning: 'marvell_tbl' defined but not used
	drivers/net/phy/micrel.c:234: warning: 'micrel_tbl' defined but not used
	drivers/net/phy/national.c:154: warning: 'ns_tbl' defined but not used
	drivers/net/phy/qsemi.c:141: warning: 'qs6612_tbl' defined but not used
	drivers/net/phy/realtek.c:82: warning: 'realtek_tbl' defined but not used
	drivers/net/phy/smsc.c:257: warning: 'smsc_tbl' defined but not used
	drivers/net/phy/ste10Xp.c:135: warning: 'ste10Xp_tbl' defined but not used
	drivers/net/phy/vitesse.c:195: warning: 'vitesse_tbl' defined but not used

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-10-05 00:34:29 -07:00