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2012-07-21hwmon: (emc6w201) Convert to use devm_ functionsGuenter Roeck1-10/+5
Convert to use devm_ functions to reduce code size and simplify the code. Signed-off-by: Guenter Roeck <[email protected]> Acked-by: Jean Delvare <[email protected]>
2012-07-21hwmon: (ds1621) Convert to use devm_ functionsGuenter Roeck1-11/+5
Convert to use devm_ functions to reduce code size and simplify the code. Signed-off-by: Guenter Roeck <[email protected]> Acked-by: Jean Delvare <[email protected]>
2012-07-21hwmon: (atxp1) Convert to use devm_ functionsGuenter Roeck1-11/+5
Convert to use devm_ functions to reduce code size and simplify the code. Signed-off-by: Guenter Roeck <[email protected]> Acked-by: Jean Delvare <[email protected]>
2012-07-21hwmon: (adm9240) Convert to use devm_ functionsGuenter Roeck1-10/+4
Convert to use devm_ functions to reduce code size and simplify the code. Signed-off-by: Guenter Roeck <[email protected]> Acked-by: Jean Delvare <[email protected]>
2012-07-21hwmon: (adm1031) Convert to use devm_ functionsGuenter Roeck1-10/+5
Convert to use devm_ functions to reduce code size and simplify the code. Signed-off-by: Guenter Roeck <[email protected]> Acked-by: Jean Delvare <[email protected]>
2012-07-21hwmon: (adm1026) Convert to use devm_ functionsGuenter Roeck1-10/+5
Convert to use devm_ functions to reduce code size and simplify the code. Signed-off-by: Guenter Roeck <[email protected]> Acked-by: Jean Delvare <[email protected]>
2012-07-21hwmon: (adm1021) Convert to use devm_ functionsGuenter Roeck1-11/+7
Convert to use devm_ functions to reduce code size and simplify the code. Signed-off-by: Guenter Roeck <[email protected]> Acked-by: Jean Delvare <[email protected]>
2012-07-21hwmon: (w83795) Convert to use devm_ functionsGuenter Roeck1-8/+3
Convert to use devm_ functions to reduce code size and simplify the code. Cc: Jean Delvare <[email protected]> Signed-off-by: Guenter Roeck <[email protected]> Acked-by: Jean Delvare <[email protected]>
2012-07-21hwmon: (lm90) Convert to use devm_ functionsGuenter Roeck1-8/+4
Convert to use devm_ functions to reduce code size and simplify the code. Cc: Jean Delvare <[email protected]> Signed-off-by: Guenter Roeck <[email protected]> Acked-by: Jean Delvare <[email protected]>
2012-07-21hwmon: (lm83) Convert to use devm_ functionsGuenter Roeck1-10/+5
Convert to use devm_ functions to reduce code size and simplify the code. Cc: Jean Delvare <[email protected]> Signed-off-by: Guenter Roeck <[email protected]> Acked-by: Jean Delvare <[email protected]>
2012-07-21hwmon: (f71805f) Convert to use devm_ functionsGuenter Roeck1-19/+7
Convert to use devm_ functions to reduce code size and simplify the code. Cc: Jean Delvare <[email protected]> Signed-off-by: Guenter Roeck <[email protected]> Acked-by: Jean Delvare <[email protected]>
2012-07-21hwmon: (lm78) Convert to use devm_ functionsGuenter Roeck1-25/+11
Convert to use devm_ functions to reduce code size and simplify the code. Cc: Jean Delvare <[email protected]> Signed-off-by: Guenter Roeck <[email protected]> Acked-by: Jean Delvare <[email protected]>
2012-07-21hwmon: (adt7475) Convert to use devm_ functionsGuenter Roeck1-5/+2
Convert to use devm_ functions to reduce code size and simplify the code. Cc: Jean Delvare <[email protected]> Signed-off-by: Guenter Roeck <[email protected]> Acked-by: Jean Delvare <[email protected]>
2012-07-21hwmon: (adm1025) Convert to use devm_ functionsGuenter Roeck1-10/+5
Convert to use devm_ functions to reduce code size and simplify the code. Cc: Jean Delvare <[email protected]> Signed-off-by: Guenter Roeck <[email protected]> Acked-by: Jean Delvare <[email protected]>
2012-07-21hwmon: (pc87360) Convert to use devm_ functionsGuenter Roeck1-28/+13
Convert to use devm_ functions to reduce code size and simplify the code. Cc: Jim Cromie <[email protected]> Signed-off-by: Guenter Roeck <[email protected]> Tested-by: Jim Cromie <[email protected]>
2012-07-21hwmon: (mc13783-adc.c) Convert to use devm_ functionsGuenter Roeck1-10/+2
Convert to use devm_ functions to reduce code size and simplify the code. Cc: Uwe Kleine-Koenig <[email protected]> Signed-off-by: Guenter Roeck <[email protected]> Acked-by: Uwe Kleine-Koenig <[email protected]>
2012-07-21hwmon: (max6639) Convert to use devm_ functionsGuenter Roeck1-11/+6
Convert to use devm_ functions to reduce code size and simplify the code. Cc: Roland Stigge <[email protected]> Signed-off-by: Guenter Roeck <[email protected]> Acked-by: Roland Stigge <[email protected]>
2012-07-21hwmon: (max6650) Convert to use devm_ functionsGuenter Roeck1-6/+4
Convert to use devm_ functions to reduce code size and simplify the code. Cc: Hans J. Koch <[email protected]> Signed-off-by: Guenter Roeck <[email protected]> Acked-by: Hans J. Koch <[email protected]>
2012-07-21hwmon: (wm831x-hwmon) Convert to use devm_ functionsGuenter Roeck1-6/+3
Convert to use devm_ functions to reduce code size and simplify the code. Cc: Mark Brown <[email protected]> Signed-off-by: Guenter Roeck <[email protected]> Reviewed-by: Mark Brown <[email protected]>
2012-07-21hwmon: Driver for DA9052/53 PMICAshish Jangam4-0/+416
The DA9052 PMIC provides an Analogue to Digital Converter with 10 bits resolution and 10 channels. This patch monitors the DA9052 PMIC's ADC channels mostly for battery parameters like battery temperature, junction temperature, battery current etc. This patch is functionally tested on Samsung SMDKV6410 Signed-off-by: David Dajun Chen <[email protected]> Signed-off-by: Ashish Jangam <[email protected]> [Guenter Roeck: __init --> __devinit for probe function] Signed-off-by: Guenter Roeck <[email protected]>
2012-07-21hwmon: (fam15h_power) Fix unintentional integer overflowGuenter Roeck1-1/+2
Expression with two unsigned integer variables is calculated as unsigned integer before it is converted to u64. This may result in an integer overflow. Fix by typecasting the left operand to u64 before performing the left shift. This patch addresses Coverity #402320: Unintentional integer overflow. Signed-off-by: Guenter Roeck <[email protected]> Acked-by: Jean Delvare <[email protected]> Acked-by: Andreas Herrmann <[email protected]>
2012-07-21hwmon: (w83627ehf) Add missing break statementGuenter Roeck1-0/+1
A case statement in nct6775_write_fan_div() is missing a break. Fix it. This patch addresses Coverity #141439: Missing break in switch. Signed-off-by: Guenter Roeck <[email protected]> Acked-by: Jean Delvare <[email protected]>
2012-07-21igb: reset PHY in the link_up process to recover PHY setting after power down.Akeem G. Abodunrin1-1/+2
There was a previous patch to resolve issue with 82576 losing PHY setting after PHY power down. However that previous implementation triggered speed mismatch and occasional link lost. Now, this patch resolves both initial PHY setting and speed mismatch issues. Signed-off-by: Akeem G. Abodunrin <[email protected]> Tested-by: Jeff Pieper <[email protected]> Signed-off-by: Jeff Kirsher <[email protected]>
2012-07-21ixgbe: Use 1TC DCB instead of disabling DCB for MSI and legacy interruptsAlexander Duyck2-7/+17
This change makes it so that we can use 1TC DCB in the case of MSI and legacy interrupts. The advantage to this is that it allows us to fully support FCoE w/ DCB instead of having to drop to link flow control only when using these interrupt modes. Cc: John Fastabend <[email protected]> Signed-off-by: Alexander Duyck <[email protected]> Tested-by: Ross Brattain <[email protected]> Signed-off-by: Jeff Kirsher <[email protected]>
2012-07-21ixgbe: add support for new 82599 deviceDon Skidmore2-0/+2
This patch adds support for a new 82599 device that supports WoL. Signed-off-by: Don Skidmore <[email protected]> Tested-by: Phil Schmitt <[email protected]> Signed-off-by: Jeff Kirsher <[email protected]>
2012-07-21ixgbe: remove extra unused queues in DCB + FCoE caseJohn Fastabend1-5/+8
With DCB and FCoE configured extra queues may be allocated and never used. After this patch we calculate the max correctly. Signed-off-by: John Fastabend <[email protected]> Tested-by: Phil Schmitt <[email protected]> Tested-by: Ross Brattain <[email protected]> Signed-off-by: Jeff Kirsher <[email protected]>
2012-07-21ixgbe: fix RAR entry counting for generic and fdb_add()John Fastabend1-8/+19
Do RAR entry accounting correctly so that errors are reported and promisc mode is set correctly when the number of entries exceeds the hardware limits. This can happen with many macvlan devices attached to the PF or by adding many fdb entries in SR-IOV modes. Also this includes a small refactor to fdb_add() to avoid having so many nested if/else statements after adding a check for the number or RAR entries. The max entries for the PF is currently 16 we allow 15 additional entries to account for the defined MAC. Signed-off-by: John Fastabend <[email protected]> Tested-by: Phil Schmitt <[email protected]> Tested-by: Ross Brattain <[email protected]> Signed-off-by: Jeff Kirsher <[email protected]>
2012-07-21ixgbe: Use num_tcs.pg_tcs as upper limit for TC when checking based on UPAlexander Duyck1-4/+8
This change makes it so the function ixgbe_dcb_get_tc_from_up will use the num_tcs.pg_tcs to determine the starting value for determining a traffic class based on a user priority. The main motivation for this change is to address possible bad configurations in which more TCs worth of data are populated then there are actual TCs. By limiting this value we can at least make certain we are not providing a map with values that are out of range. As a result any user priorities that are setup in the configuration with a traffic class mapping higher than what the hardware supports will be reported as being on TC 0. Signed-off-by: Alexander Duyck <[email protected]> Acked-by: Greg Rose <[email protected]> Tested-by: Stephen Ko <[email protected]> Tested-by: Ross Brattain <[email protected]> Signed-off-by: Jeff Kirsher <[email protected]>
2012-07-21ixgbe: Reduce Rx header size to what is actually usedAlexander Duyck2-9/+10
The recent changes to netdev_alloc_skb actually make it so that the size of the buffer now actually has a more direct input on the truesize. So in order to make best use of the piece of a page we are allocated I am reducing the IXGBE_RX_HDR_SIZE to 256 so that our truesize will be reduced by 256 bytes as well. This should result in performance improvements since the number of uses per page should increase from 4 to 6 in the case of a 4K page. In addition we should see socket performance improvements due to the truesize dropping to less than 1K for buffers less than 256 bytes. Cc: Eric Dumazet <[email protected]> Signed-off-by: Alexander Duyck <[email protected]> Tested-by: Phil Schmitt <[email protected]> Signed-off-by: Jeff Kirsher <[email protected]>
2012-07-21ixgbevf: Fix namespace issue with ixgbe_write_eitrGreg Rose2-25/+19
Make the function static to cleanup namespace. Signed-off-by: Greg Rose <[email protected]> Tested-by: Phil Schmitt <[email protected]> Tested-by: Sibai Li <[email protected] Signed-off-by: Jeff Kirsher <[email protected]>
2012-07-21ixgbe: Fix handling of FDIR_HASH flagAlexander Duyck2-24/+46
This change makes it so that we can use the atr_sample_rate to determine if we are capable of supporting ATR. The advantage to this approach is that it allows us to now determine the setting of the IXGBE_FLAG_FDIR_HASH_CAPABLE based on the queueing scheme, instead of the queueing scheme being based on the flag. Using this approach there are essentially 5 conditions that must be checked prior to trying to enable ATR: 1. Is SR-IOV disabled? 2. Are the number of TCs <= 1? 3. Is RSS queueing limit greater than 1? 4. Is atr_sample_rate set? 5. Is Flow Director perfect filtering disabled? If any of these conditions are enabled they should disable ATR filtering. Note that in the case of conditions 1 through 4 being met we will set things up for ATR queueing, however if test 5 fails we will still leave the queues allocated for use by perfect filters. The reason for this is to allow for us to switch back and forth between ntuple and ATR without needing to reallocate the descriptor rings. Signed-off-by: Alexander Duyck <[email protected]> Tested-by: Phil Schmitt <[email protected]> Signed-off-by: Jeff Kirsher <[email protected]>
2012-07-21ixgbevf: Add support for PCI error handlingAlexander Duyck1-0/+80
This change adds support for handling IO errors and slot resets. Signed-off-by: Alexander Duyck <[email protected]> Signed-off-by: Greg Rose <[email protected]> Signed-off-by: Jeff Kirsher <[email protected]>
2012-07-21ixgbevf: Add lock around mailbox ops to prevent simultaneous accessAlexander Duyck2-2/+41
This change adds a spinlock around the mailbox accesses to prevent simultaneous access to the mailboxes. Signed-off-by: Alexander Duyck <[email protected]> Signed-off-by: Greg Rose <[email protected]> Tested-by: Sibai Li <[email protected]> Signed-off-by: Jeff Kirsher <[email protected]>
2012-07-21ixgbe: Change how we check for pre-existing and assigned VFsAlexander Duyck4-94/+45
This patch does two things. First it drops the unnecessary work of searching for enabled VFs when we first bring up the adapter and instead just uses pci_num_vf to determine how many VFs are enabled on the adapter. The second thing it does is drop the use of vfdev from the vf_data_storage structure. Instead we just search the entire system for a VF that has us as it's PF, and then if that VF is assigned we indicate that the VFs are assigned. This allows us to still check for assigned VFs even if the vfinfo allocation has failed, or vfinfo has been freed. Signed-off-by: Alexander Duyck <[email protected]> Acked-by: Greg Rose <[email protected]> Tested-by: Phil Schmitt <[email protected]> Tested-by: Sibai Li <[email protected]> Signed-off-by: Jeff Kirsher <[email protected]>
2012-07-21ixgbe: Drop probe_vf and merge functionality into ixgbe_enable_sriovAlexander Duyck3-32/+28
This is meant to fix a bug in which we were not checking for pre-existing VFs if we were not setting the max_vfs value at driver load. What happens now is that we always call ixgbe_enable_sriov and this checks for pre-existing VFs ore requested VFs prior to deciding on no SR-IOV. Signed-off-by: Alexander Duyck <[email protected]> Tested-by: Phil Schmitt <[email protected]> Tested-by: Sibai Li <[email protected]> Signed-off-by: Jeff Kirsher <[email protected]>
2012-07-22vhost: make vhost work queue visibleStefan Hajnoczi2-3/+5
The vhost work queue allows processing to be done in vhost worker thread context, which uses the owner process mm. Access to the vring and guest memory is typically only possible from vhost worker context so it is useful to allow work to be queued directly by users. Currently vhost_net only uses the poll wrappers which do not expose the work queue functions. However, for tcm_vhost (vhost_scsi) it will be necessary to queue custom work. Signed-off-by: Stefan Hajnoczi <[email protected]> Cc: Zhi Yong Wu <[email protected]> Cc: Michael S. Tsirkin <[email protected]> Cc: Paolo Bonzini <[email protected]> Signed-off-by: Nicholas Bellinger <[email protected]> Signed-off-by: Michael S. Tsirkin <[email protected]>
2012-07-22vhost: Separate vhost-net features from vhost featuresStefan Hajnoczi3-5/+6
In order for other vhost devices to use the VHOST_FEATURES bits the vhost-net specific bits need to be moved to their own VHOST_NET_FEATURES constant. (Asias: Update drivers/vhost/test.c to use VHOST_NET_FEATURES) Signed-off-by: Stefan Hajnoczi <[email protected]> Cc: Zhi Yong Wu <[email protected]> Cc: Michael S. Tsirkin <[email protected]> Cc: Paolo Bonzini <[email protected]> Cc: Asias He <[email protected]> Signed-off-by: Nicholas A. Bellinger <[email protected]> Signed-off-by: Michael S. Tsirkin <[email protected]>
2012-07-21Merge branch 'samsung/defconfig' into next/defconfigArnd Bergmann352-2056/+3477
From Kukjin Kim <[email protected]>: It is including new exynos_defconfig for DT configuration of exynos4 and exynos5 together. The old exynos4_defconfig will be used for non-DT for a while and we will try to move on using exynos_defconfig for only DT. * samsung/defconfig: ARM: exynos_defconfig: enable more platforms in defconfig Signed-off-by: Arnd Bergmann <[email protected]>
2012-07-21ARM: exynos_defconfig: enable more platforms in defconfigOlof Johansson1-0/+92
This enables the new EXYNOS5 platforms in the defconfig, and enables DT support on EXYNOS4. Other options enabled: USB host, EXT3/4, regulators and tps65090, networking and a few of the common usb ethernet adapters as well as the smsc911x controller used on some boards. I enabled EFI_PARTITION, since it's used on some filesystem images I'm using. I didn't see a need to keep Solaris and BSD partition format still enabled. Finally, framebuffer console, logo and fonts were enabled. Note that enabling some of these options introduces build coverage previously missing, thus introducing a few build errors and warnings for which fixes have been sent out already. Signed-off-by: Olof Johansson <[email protected]> [[email protected]: restored exynos4_defconfig from original] Signed-off-by: Kukjin Kim <[email protected]>
2012-07-21Merge branch 'next/devel-samsung-spi' of ↵Arnd Bergmann1-30/+12
git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/spi From Kukjin Kim <[email protected]>: You may think that 'since this is including only samsung spi stuff, so this should be sent to upstream via spi tree', yeah right. But in this time, would be helpful to us if they could be sent via arm-soc, samsung tree for avoiding useless conflicts. Because samsung-dt-spi branch touches the same driver and it is already in arm-soc tree. * 'next/devel-samsung-spi' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung: spi/s3c64xx: Expand S3C64XX_SPI_{DE,}ACT macros at call sites spi/s3c64xx: Convert to devm_request_and_ioremap() spi/s3c64xx: Put the /CS GPIO into output mode spi/s3c64xx: Fix handling of errors in gpio_request() Signed-off-by: Arnd Bergmann <[email protected]>
2012-07-21Merge branch 'next/board-samsung-3' of ↵Arnd Bergmann10-50/+102
git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/boards From Kukjin Kim <[email protected]>: It is including several changes for samsung boards. * 'next/board-samsung-3' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung: ARM: EXYNOS: Add leds status1 and status2 on Origen board ARM: S3C64XX: Mark most Cragganmore initdata devinitdata ARM: EXYNOS: Add missing .reserve field to SMDKC210 ARM: EXYNOS: Add DRM device to SMDK4X12 board ARM: S3C64XX: Clean up after SPI driver platform data updates ARM: SAMSUNG: no need to set the value for clk_xusbxti when it is 24Mhz Signed-off-by: Arnd Bergmann <[email protected]>
2012-07-21Merge tag 'v3.5-rc7' into next/boardsArnd Bergmann187-1124/+1828
Linux 3.5-rc7 Prerequisite for samsung/board3 branch. Signed-off-by: Arnd Bergmann <[email protected]>
2012-07-21Linux 3.5Linus Torvalds1-1/+1
2012-07-21Remove SYSTEM_SUSPEND_DISK system stateRafael J. Wysocki1-1/+0
The SYSTEM_SUSPEND_DISK system state is never used, so drop it. Signed-off-by: Rafael J. Wysocki <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2012-07-21Merge branch 'anton-kgdb' (kgdb dmesg fixups)Linus Torvalds4-87/+104
Merge emailed kgdb dmesg fixups patches from Anton Vorontsov: "The dmesg command appears to be broken after the printk rework. The old logic in the kdb code makes no sense in terms of current printk/logging storage format, and KDB simply hangs forever upon entering 'dmesg' command. The first patch revives the command by switching to kmsg_dumper iterator. As a side-effect, the code is now much more simpler. A few changes were needed in the printk.c: we needed unlocked variant of the kmsg_dumper iterator, but these can surely wait for 3.6. It's probably too late even for the first patch to go to 3.5, but I'll try to convince otherwise. :-) Here we go: - The current code is broken for sure, and has no hope to work at all. It is a regression - The new code works for me, and probably works for everyone else; - If it compiles (and I urge everyone to compile-test it on your setup), it hardly can make things worse." * Merge emailed patches from Anton Vorontsov: (4 commits) kdb: Switch to nolock variants of kmsg_dump functions printk: Implement some unlocked kmsg_dump functions printk: Remove kdb_syslog_data kdb: Revive dmesg command
2012-07-21kdb: Switch to nolock variants of kmsg_dump functionsAnton Vorontsov1-4/+4
The locked variants are prone to deadlocks (suppose we got to the debugger w/ the logbuf lock held), so let's switch to nolock variants. Signed-off-by: Anton Vorontsov <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2012-07-21printk: Implement some unlocked kmsg_dump functionsAnton Vorontsov2-13/+71
If used from KDB, the locked variants are prone to deadlocks (suppose we got to the debugger w/ the logbuf lock held). So, we have to implement a few routines that grab no logbuf lock. Yet we don't need these functions in modules, so we don't export them. Signed-off-by: Anton Vorontsov <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2012-07-21printk: Remove kdb_syslog_dataAnton Vorontsov2-16/+0
The function is no longer needed, so remove it. Signed-off-by: Anton Vorontsov <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2012-07-21kdb: Revive dmesg commandAnton Vorontsov1-58/+33
The kgdb dmesg command is broken after the printk rework. The old logic in kdb code makes no sense in terms of current printk/logging storage format, and KDB simply hangs forever. This patch revives the command by switching to kmsg_dumper iterator. The code is now much more simpler and shorter. Signed-off-by: Anton Vorontsov <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2012-07-21iscsi-target: Drop bogus struct file usage for iSCSI/SCTPAl Viro3-78/+6
From Al Viro: BTW, speaking of struct file treatment related to sockets - there's this piece of code in iscsi: /* * The SCTP stack needs struct socket->file. */ if ((np->np_network_transport == ISCSI_SCTP_TCP) || (np->np_network_transport == ISCSI_SCTP_UDP)) { if (!new_sock->file) { new_sock->file = kzalloc( sizeof(struct file), GFP_KERNEL); For one thing, as far as I can see it'not true - sctp does *not* depend on socket->file being non-NULL; it does, in one place, check socket->file->f_flags for O_NONBLOCK, but there it treats NULL socket->file as "flag not set". Which is the case here anyway - the fake struct file created in __iscsi_target_login_thread() (and in iscsi_target_setup_login_socket(), with the same excuse) do *not* get that flag set. Moreover, it's a bloody serious violation of a bunch of asserts in VFS; all struct file instances should come from filp_cachep, via get_empty_filp() (or alloc_file(), which is a wrapper for it). FWIW, I'm very tempted to do this and be done with the entire mess: Signed-off-by: Al Viro <[email protected]> Cc: Andy Grover <[email protected]> Cc: Hannes Reinecke <[email protected]> Cc: Christoph Hellwig <[email protected]> Cc: [email protected] Signed-off-by: Nicholas Bellinger <[email protected]>
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