This patch explicitly defines the CSUM offload engine type which need
(not mandatory) to be passed from the platform code.
STMMAC core supports two check sum offload engine types- Type-1 & Type-2.
Also, there are STMMAC cores that do not have the check sum offload
capabilities.
The behaviour of Type-1 & Type-2 cores related to provision of checksum
increases the packet length for Type-1 cores by 2, as the checksum is appended
at the end of data packet and the same is made accountable in the DMA status.
The STMMAC cores beyond Version-3.5 provide HW interface registers which allows
the user to read the HW capabilities, while to support the previous cores the
information related to HW capabilities has to be provided from the platform
code.
The Type-1 cores which do not have the HW register interface need this
information.
This patch also updates the driver's doc.
Signed-off-by: Deepak Sikri <deepak.sikri@st.com>
Hacked-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
As stmmac mdio bus name prefix is hardcoded in the driver, this allows
only phys on stmmac mdio buses to connect, however stmmac should allow
phys on other mdio buses too.
This patch adds new variable phy_bus_name to plat_stmmacenet_data
struct to let the BSP decide which phy bus to be used by stmmac driver.
A typical use-case is to have generic MDIO buses like mdio-gpio on top
of stmmac.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@st.com>
Acked-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In commit (bfab27a stmmac: add the experimental PCI support) the
IFF_UNICAST_FLT flag has been removed from the stmmac_mac_device_setup()
function. This patch re-adds the flag.
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Acked-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch clears a warning message of "MDC/MDIO access timeout" which may
appear when interface is loaded due to missing clock setting before resetting
the LED, and starting periodic function too early.
Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix a link problem on the second port of BCM57711 + BCM84823 boards due to
incorrect macro usage.
Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch fixes a link problem on BCM57712 + BCM8727 designs in which the TX
laser is controller by GPIO, after 1.60.xx drivers were previously loaded.
On these designs the TX_LASER is enabled by logic AND between the PHY
(through MDIO), and the GPIO. When an old driver is used, it disables the
MDIO part, hence the GPIO control had no affect de facto.
Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix no-LED problem when link speed is 1G on BCM57712 + BCM8727 designs, by
removing a logic error checking for a different PHY.
Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix 578x0-SFI pre-emphasis settings per HW recommendations to achieve better
link strength.
Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
BCM57810-KR link may not come up in 1G after running loopback test, so set
the relevant registers to their default values before starting KR autoneg.
Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix 57810-KR flow-control handling link is achieved via CL37 AN.
Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix a problem in which PFC frames are not honored, due to incorrect link
attributes synchronization following PMF migration, and verify PFC XON is not
stuck from previous link change.
Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Renamed following functions:
bnad_cleanup_tx to bnad_destroy_tx
bnad_free_all_txbufs to bnad_txq_cleanup
bnad_free_txbufs to bnad_txcmpl_process
bnad_tx to bnad_tx_complete
bnad_cleanup_rx to bnad_destroy_rx
bnad_reset_rcb to bnad_rcb_cleanup
bnad_free_all_rxbufs to bnad_rxq_cleanup
bnad_cq_cmpl_init to bnad_cq_cleanup
bnad_alloc_n_post_rxbufs to bnad_rxq_post
bnad_poll_cq to bnad_cq_process
Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The scheduling of tasklet and keeping the interrupts enabled makes interrupt
reduntant. 20% of the Tx interrupts have nothing left to process or could not
process as Tx tasklet was running.
Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch removes busy wait in tx/rx cleanup. bnad_cb_tx_cleanup() and
bnad_cb_rx_cleanup() functions are called from irq context, and currently
they do busy wait for the in-flight transmit or the currently executing napi
polling routine to complete. To fix the issue, we create a workqueue to defer
tx & rx cleanup processing, an in the tx rx cleanup handler, we will
wait respective in flight processing to complete, before freeing the buffers.
Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Remove irrelevant code. Change to start Hearbeat failure moniter after IOC
become operational.
Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Added NFC pause/resume logic. We only do NFC pause/resume if NFC version
is greater than 0x143 and it was halted before, otherwise we revert to
old NFC halt mechanism.
Made changes to avoid clearing off the interrupts during the initial
pll initialization.
Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Use init semaphore to serialize execution of the "unlock IOC semaphore"
code. Added bfa_ioc_fwver_clear() function to clear the firmware header if
last firmwar boot is not from driver.
Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Modified from original patch from Chris.
The sky2 driver has to have 8 byte alignment of receive buffer
on some chip versions. On architectures which don't support efficient
unaligned access this doesn't work very well. The solution is to
just copy all received packets which is what the driver already
does for small packets.
This allows the driver to be used on the Tilera TILEmpower-Gx, since
the tile architecture doesn't currently handle kernel unaligned accesses,
just userspace.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Acked-by: Chris Metcalf <cmetcalf@tilera.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The current implemenation was buggy for slaves who use ndo_neigh_setup,
since the networking stack invokes the bonding device ndo entry (from
neigh_params_alloc) before any devices are enslaved, and the bonding
driver can't further delegate the call at that point in time. As a
result when bonding IPoIB devices, the neigh_cleanup hasn't been called.
Fix that by deferring the actual call into the slave ndo_neigh_setup
from the time the bonding neigh_setup is called.
Signed-off-by: Shlomo Pongratz <shlomop@mellanox.com>
Signed-off-by: Jay Vosburgh <fubar@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
commit 7d26bb103c "bonding: emit event when bonding changes MAC" didn't
take care to emit the NETDEV_CHANGEADDR event in bond_release, where bonding
actually changes the mac address (to all zeroes). As a result the neighbours
aren't deleted by the core networking code (which does so upon getting that
event).
Signed-off-by: Shlomo Pongratz <shlomop@mellanox.com>
Signed-off-by: Jay Vosburgh <fubar@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The platform is removed, so there are no users of this driver.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Cc: Jesse Brandeburg <jesse.brandeburg@intel.com>
Cc: Bruce Allan <bruce.w.allan@intel.com>
Cc: Carolyn Wyborny <carolyn.wyborny@intel.com>
Cc: Don Skidmore <donald.c.skidmore@intel.com>
Cc: Greg Rose <gregory.v.rose@intel.com>
Cc: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Cc: Alex Duyck <alexander.h.duyck@intel.com>
Cc: John Ronciak <john.ronciak@intel.com>
Cc: netdev@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
Probably a leftover from ancient code...
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Roland Stigge <stigge@antcom.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
'break' is unnecessary after 'return' statement.
Remove all such 'break' as clean up.
Signed-off-by: Santosh Nayak <santoshprasadnayak@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
getsockopt(..., SCTP_EVENTS, ...) performs a length check and returns
an error if the user provides less bytes than the size of struct
sctp_event_subscribe.
Struct sctp_event_subscribe needs to be extended by an u8 for every
new event or notification type that is added.
This obviously makes getsockopt fail for binaries that are compiled
against an older versions of <net/sctp/user.h> which do not contain
all event types.
This patch changes getsockopt behaviour to no longer return an error
if not enough bytes are being provided by the user. Instead, it
returns as much of sctp_event_subscribe as fits into the provided buffer.
This leads to the new behavior that users see what they have been aware
of at compile time.
The setsockopt(..., SCTP_EVENTS, ...) API is already behaving like this.
Signed-off-by: Thomas Graf <tgraf@suug.ch>
Acked-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Commit b475d78 lacked two pairs of parenthesis, causing an overflow in the
congestion management.
Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fixes mostly, including:
* Patch series that hopefully fixes races between the freezer and request_firmware()
and request_firmware_nowait() for good, with two cleanups from Stephen Boyd on top.
* Runtime PM fix from Alan Stern preventing tasks from getting stuck indefinitely
in the runtime PM wait queue.
* Device PM QoS update from MyungJoo Ham introducing a new variant of
pm_qos_update_request() allowing the callers to specify a timeout.
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Merge tag 'pm-for-3.4-part-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more power management updates from Rafael Wysocki:
- Patch series that hopefully fixes races between the freezer and
request_firmware() and request_firmware_nowait() for good, with two
cleanups from Stephen Boyd on top.
- Runtime PM fix from Alan Stern preventing tasks from getting stuck
indefinitely in the runtime PM wait queue.
- Device PM QoS update from MyungJoo Ham introducing a new variant of
pm_qos_update_request() allowing the callers to specify a timeout.
* tag 'pm-for-3.4-part-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PM / QoS: add pm_qos_update_request_timeout() API
firmware_class: Move request_firmware_nowait() to workqueues
firmware_class: Reorganize fw_create_instance()
PM / Sleep: Mitigate race between the freezer and request_firmware()
PM / Sleep: Move disabling of usermode helpers to the freezer
PM / Hibernate: Disable usermode helpers right before freezing tasks
firmware_class: Do not warn that system is not ready from async loads
firmware_class: Split _request_firmware() into three functions, v2
firmware_class: Rework usermodehelper check
PM / Runtime: don't forget to wake up waitqueue on failure
Several clocks are missing clockdomains. This can cause problems with
the hwmod and power management code. Fill these in.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Matt Porter <mporter@ti.com>
Cc: Vaibhav Hiremath <hvaibhav@ti.com>
All DPLLs except USB are in ALWON powerdomain. Make sure the
clkdm/pwrdm for USB DPLL (l3init) is turned on before attempting
a DPLL relock. So, mark the database accordingly.
Without this fix, it was seen that DPLL relock fails while testing
relock in a loop of USB DPLL.
Cc: Nishanth Menon <nm@ti.com>
Tested-by: Ameya Palande <ameya.palande@ti.com>
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Commit b1cbdb00d ("OMAP: clockdomain: Wait for powerdomain to be ON
when using clockdomain force wakeup") was assuming that
pwrdm_state_switch() does wait for the powerdomain transition which is
not the case. The missing wait for the powerdomain transition
violates the sequence which the hardware expects, which causes power
management failures on some devices.
Fix this API by adding the pwrdm_wait_transition().
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Cc: Rajendra Nayak <rnayak@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
[paul@pwsan.com: added some more details in the commit log]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
When Tegra30 support was added to the Tegra GPIO driver, a few places
which iterated over all banks were not converted to use the variable
tegra_gpio_bank_count rather than hard-coding the bank count. Fix this.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Olof Johansson <olof@lixom.net>
Tegra20 and Tegra30 share the same register layout within registers, but
the addresses of the registers is a little different. Fix the driver to
cope with this.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Olof Johansson <olof@lixom.net>
Merge common_audit_data cleanup patches from Eric Paris.
This is really too late, but it's a long-overdue cleanup of the costly
wrapper functions for the security layer.
The "struct common_audit_data" is used all over in critical paths,
allocated and initialized on the stack. And used to be much too large,
causing not only unnecessarily big stack frames but the clearing of the
(mostly useless) data was also very visible in profiles.
As a particular example, in one microbenchmark for just doing "stat()"
over files a lot, selinux_inode_permission() used 7% of the CPU time.
That's despite the fact that it doesn't actually *do* anything: it is
just a helper wrapper function in the selinux security layer.
This patch-series shrinks "struct common_audit_data" sufficiently that
code generation for these kinds of wrapper functions is improved
noticeably, and we spend much less time just initializing data that we
will never use.
The functions still get called all the time, and it still shows up at
3.5+% in my microbenchmark, but it's quite a bit lower down the list,
and much less noticeable.
* Emailed patches from Eric Paris <eparis@redhat.com>:
lsm_audit: don't specify the audit pre/post callbacks in 'struct common_audit_data'
SELinux: do not allocate stack space for AVC data unless needed
SELinux: remove avd from slow_avc_audit()
SELinux: remove avd from selinux_audit_data
LSM: shrink the common_audit_data data union
LSM: shrink sizeof LSM specific portion of common_audit_data
since a high proportion of chips have no register 0 so the normal
failure is that we end up doing a bit of extra I/O.
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Merge tag 'regmap-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap
Pull a single regmap fix from Mark Brown:
"A simple bug that's been lurking for a while but not terribly visible
since a high proportion of chips have no register 0 so the normal
failure is that we end up doing a bit of extra I/O."
* tag 'regmap-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
regmap: rbtree: Fix register default look-up in sync
A bunch of smallish fixes that came up during the merge window as
things got more testing - even more fixes from Axel, a fix for error
handling in more complex systems using -EPROBE_DEFER and a couple of
small fixes for the new dummy regulators.
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Merge tag 'regulator-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator fixes from Mark Brown:
"A bunch of smallish fixes that came up during the merge window as
things got more testing - even more fixes from Axel, a fix for error
handling in more complex systems using -EPROBE_DEFER and a couple of
small fixes for the new dummy regulators."
* tag 'regulator-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: Remove non-existent parameter from fixed-helper.c kernel doc
regulator: Fix setting new voltage in s5m8767_set_voltage
regulator: fix sysfs name collision between dummy and fixed dummy regulator
regulator: Fix deadlock on removal of regulators with supplies
regulator: Fix comments in include/linux/regulator/machine.h
regulator: Only update [LDOx|DCx]_HIB_MODE bits in wm8350_[ldo|dcdc]_set_suspend_disable
regulator: Fix setting low power mode for wm831x aldo
regulator: Return microamps in wm8350_isink_get_current
regulator: wm8350: Fix the logic to choose best current limit setting
regulator: wm831x-isink: Fix the logic to choose best current limit setting
regulator: wm831x-dcdc: Fix the logic to choose best current limit setting
regulator: anatop: patching to device-tree property "reg".
regulator: Do proper shift to set correct bit for DC[2|5]_HIB_MODE setting
regulator: Fix restoring pmic.dcdcx_hib_mode settings in wm8350_dcdc_set_suspend_enable
regulator: Fix unbalanced lock/unlock in mc13892_regulator_probe error path
regulator: Fix set and get current limit for wm831x_buckv
regulator: tps6586x: Fix list minimal voltage setting for LDO0
This fixes the CPUFREQ dependency for regarding EXYNOS SoCs
such as EXYNOS4210, EXYNOS4X12 and EXYNOS5250. Its cpufreq
driver should be built with selection of SoC arch part.
Reported-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: Dave Jones <davej@redhat.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Pull x86 fixes from Ingo Molnar.
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86, kvm: Call restore_sched_clock_state() only after %gs is initialized
x86: Use -mno-avx when available
x86: Remove the ancient and deprecated disable_hlt() and enable_hlt() facility
x86: Preserve lazy irq disable semantics in fixup_irqs()
Because of the inclusion of skeleton.dtsi, the memory node is
named "memory" we where not modifying the already included one
but creating a new one. It caused bad memory node detection during
early_init_dt_scan_memory() so we modify them.
Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Cc: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: devicetree-discuss@lists.ozlabs.org
SPI chip select pins have to be checked by gpio_is_valid().
The USB host overcurrent_pin checking was missing.
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Compilation error in case of non-DT configuration without this
of.h header file.
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Add comments to NAND "gpios" property to make it clearer.
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Change number of ports to 3 for newer SoCs. Modify pdata structure
and ohci-at91 code that was dealing with ports information and check
of port indexes.
Several coding style errors have been addresses as the patch was touching
affected lines of code and was producing errors while run through
checkpatch.pl.
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
The DT information are filled in a pdata structure and then passed on
to the usual check code of the probe function. Thus we do not need to
redo the gpio checking and irq configuration in the DT-related code.
On the other hand, we setup GPIO direction in driver for vbus and
overcurrent. It will be useful when moving to pinctrl subsystem.
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Change vbus gpio configuration in .dts files to switch to
active low configuration.
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: stable <stable@vger.kernel.org>
