In order to be able to populate the device msi_domain field,
add the necessary hooks to propagate the host bridge msi_domain
across secondary busses to devices.
So far, nobody populates the initial msi_domain.
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Hanjun Guo <hanjun.guo@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Cc: <linux-arm-kernel@lists.infradead.org>
Cc: Yijing Wang <wangyijing@huawei.com>
Cc: Ma Jun <majun258@huawei.com>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Duc Dang <dhdang@apm.com>
Cc: Jiang Liu <jiang.liu@linux.intel.com>
Cc: Jason Cooper <jason@lakedaemon.net>
Link: http://lkml.kernel.org/r/1438091186-10244-5-git-send-email-marc.zyngier@arm.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
As MSI-type features are creeping into non-PCI devices, it is
starting to make sense to give our struct device some form of
support for this, by allowing a pointer to an MSI irq domain to
be set/retrieved.
Reviewed-by: Hanjun Guo <hanjun.guo@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Cc: <linux-arm-kernel@lists.infradead.org>
Cc: Yijing Wang <wangyijing@huawei.com>
Cc: Ma Jun <majun258@huawei.com>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Duc Dang <dhdang@apm.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Jiang Liu <jiang.liu@linux.intel.com>
Cc: Jason Cooper <jason@lakedaemon.net>
Link: http://lkml.kernel.org/r/1438091186-10244-4-git-send-email-marc.zyngier@arm.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
When creating a PCI/MSI domain, tag it with DOMAIN_BUS_PCI_MSI so
that it can be looked-up using irq_find_matching_host().
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Hanjun Guo <hanjun.guo@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Cc: <linux-arm-kernel@lists.infradead.org>
Cc: Yijing Wang <wangyijing@huawei.com>
Cc: Ma Jun <majun258@huawei.com>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Duc Dang <dhdang@apm.com>
Cc: Jiang Liu <jiang.liu@linux.intel.com>
Cc: Jason Cooper <jason@lakedaemon.net>
Link: http://lkml.kernel.org/r/1438091186-10244-3-git-send-email-marc.zyngier@arm.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
It is not uncommon (at least with the ARM stuff) to have a piece
of hardware that implements different flavours of "interrupts".
A typical example of this is the GICv3 ITS, which implements
standard PCI/MSI support, but also some form of "generic MSI".
So far, the PCI/MSI domain is registered using the ITS device_node,
so that irq_find_host can return it. On the contrary, the raw MSI
domain is not registered with an device_node, making it impossible
to be looked up by another subsystem (obviously, using the same
device_node twice would only result in confusion, as it is not
defined which one irq_find_host would return).
A solution to this is to "type" domains that may be aliasing, and
to be able to lookup an device_node that matches a given type.
For this, we introduce irq_find_matching_host() as a superset
of irq_find_host:
struct irq_domain *irq_find_matching_host(struct device_node *node,
enum irq_domain_bus_token bus_token);
where bus_token is the "type" we want to match the domain against
(so far, only DOMAIN_BUS_ANY is defined). This result in some
moderately invasive changes on the PPC side (which is the only
user of the .match method).
This has otherwise no functionnal change.
Reviewed-by: Hanjun Guo <hanjun.guo@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Cc: <linux-arm-kernel@lists.infradead.org>
Cc: Yijing Wang <wangyijing@huawei.com>
Cc: Ma Jun <majun258@huawei.com>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Duc Dang <dhdang@apm.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Jiang Liu <jiang.liu@linux.intel.com>
Cc: Jason Cooper <jason@lakedaemon.net>
Link: http://lkml.kernel.org/r/1438091186-10244-2-git-send-email-marc.zyngier@arm.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
The following warning is emitted for make xmldocs:
Warning(.//kernel/irq/chip.c:1009): No description found for parameter 'vcpu_info'
Warning(.//kernel/irq/chip.c:1009): Excess function parameter 'dest' description in 'irq_chip_set_vcpu_affinity_parent'
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Link: http://lkml.kernel.org/r/1438164576-5945-1-git-send-email-standby24x7@gmail.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Follow e8e85cc5eb ("packet: remove handling of tx_ring") and remove
the tx_ring parameter from prb_shutdown_retire_blk_timer() as it is only
called with tx_ring = 0.
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Since mdb states were introduced when deleting an entry the state was
left as it was set in the delete request from the user which leads to
the following output when doing a monitor (for example):
$ bridge mdb add dev br0 port eth3 grp 239.0.0.1 permanent
(monitor) dev br0 port eth3 grp 239.0.0.1 permanent
$ bridge mdb del dev br0 port eth3 grp 239.0.0.1 permanent
(monitor) dev br0 port eth3 grp 239.0.0.1 temp
^^^
Note the "temp" state in the delete notification which is wrong since
the entry was permanent, the state in a delete is always reported as
"temp" regardless of the real state of the entry.
After this patch:
$ bridge mdb add dev br0 port eth3 grp 239.0.0.1 permanent
(monitor) dev br0 port eth3 grp 239.0.0.1 permanent
$ bridge mdb del dev br0 port eth3 grp 239.0.0.1 permanent
(monitor) dev br0 port eth3 grp 239.0.0.1 permanent
There's one important note to make here that the state is actually not
matched when doing a delete, so one can delete a permanent entry by
stating "temp" in the end of the command, I've chosen this fix in order
not to break user-space tools which rely on this (incorrect) behaviour.
So to give an example after this patch and using the wrong state:
$ bridge mdb add dev br0 port eth3 grp 239.0.0.1 permanent
(monitor) dev br0 port eth3 grp 239.0.0.1 permanent
$ bridge mdb del dev br0 port eth3 grp 239.0.0.1 temp
(monitor) dev br0 port eth3 grp 239.0.0.1 permanent
Note the state of the entry that got deleted is correct in the
notification.
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Fixes: ccb1c31a7a ("bridge: add flags to distinguish permanent mdb entires")
Signed-off-by: David S. Miller <davem@davemloft.net>
Michael Holzheu says:
====================
s390/bpf: recache skb->data/hlen for skb_vlan_push/pop
Here the s390 backend for Alexei's patch 4e10df9a60 ("bpf: introduce
bpf_skb_vlan_push/pop() helpers") plus two bugfixes and two minor
improvements.
The first patch "s390/bpf: clear correct BPF accumulator register" will
also go upstream via Martin's "fixes" branch.
* v2: Integrated suggestions from Joe Perches
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Allow eBPF programs attached to TC qdiscs call skb_vlan_push/pop
via helper functions. These functions may change skb->data/hlen.
This data is cached by s390 JIT to improve performance of ld_abs/ld_ind
instructions. Therefore after a change we have to reload the data.
In case of usage of skb_vlan_push/pop, in the prologue we store
the SKB pointer on the stack and restore it after BPF_JMP_CALL
to skb_vlan_push/pop.
Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Only classic BPF programs that have been converted to eBPF need to clear
the A and X registers. We can check for converted programs with:
bpf_prog->type == BPF_PROG_TYPE_UNSPEC
So add the check and skip initialization for real eBPF programs.
Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently we have the restriction that jitted BPF programs can
have a maximum size of one page. The reason is that we use short
displacements for the literal pool.
The 20 bit displacements are available since z990 and BPF requires
z196 as minimum. Therefore we can remove this restriction and use
everywhere 20 bit signed long displacements.
Acked-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The EMIT6_DISP_LH macro passes the "disp" parameter to the _EMIT6_DISP_LH
macro. The _EMIT6_DISP_LH macro uses the "disp" parameter twice:
unsigned int __disp_h = ((u32)disp) & 0xff000;
unsigned int __disp_l = ((u32)disp) & 0x00fff;
The EMIT6_DISP_LH is used several times with EMIT_CONST_U64() as "disp"
parameter. Therefore always two constants are created per usage of
EMIT6_DISP_LH.
Fix this and add variable "_disp" to avoid multiple expansions.
* v2: Move "_disp" to _EMIT6_DISP_LH as suggested by Joe Perches
Fixes: 0546231057 ("s390/bpf: Add s390x eBPF JIT compiler backend")
Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently we assumed the following BPF to eBPF register mapping:
- BPF_REG_A -> BPF_REG_7
- BPF_REG_X -> BPF_REG_8
Unfortunately this mapping is wrong. The correct mapping is:
- BPF_REG_A -> BPF_REG_0
- BPF_REG_X -> BPF_REG_7
So clear the correct registers and use the BPF_REG_A and BPF_REG_X
macros instead of BPF_REG_0/7.
Fixes: 0546231057 ("s390/bpf: Add s390x eBPF JIT compiler backend")
Cc: stable@vger.kernel.org # 4.0+
Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Conflicts:
drivers/acpi/scan.c
The conflict is resolved by moving the just introduced
acpi_device_is_first_physical_node() to bus.c and using
the existing acpi_companion_match() from there.
There will be an additional commit to combine the two.
When fast leave is configured on a bridge port and an IGMP leave is
received for a group, the group is not deleted immediately if there is
a router detected or if multicast querier is configured.
Ideally the group should be deleted immediately when fast leave is
configured.
Signed-off-by: Satish Ashok <sashok@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Merge tag 'ib-mfd-base-acpi-dma-v4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd into acpi-pm
Pull MFD-related material including ACPI device power management
changes (in addition to MFD, driver core and DMA changes) for v4.3
from Lee Jones.
* tag 'ib-mfd-base-acpi-dma-v4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd:
mfd: Add support for Intel Sunrisepoint LPSS devices
dmaengine: add a driver for Intel integrated DMA 64-bit
mfd: make mfd_remove_devices() iterate in reverse order
driver core: implement device_for_each_child_reverse()
klist: implement klist_prev()
Driver core: wakeup the parent device before trying probe
ACPI / PM: Attach ACPI power domain only once
PM / QoS: Make it possible to expose device latency tolerance to userspace
This patch fixes the following checkpatch.pl warning:
WARNING: braces {} are not necessary for single statement blocks
Signed-off-by: Shraddha Barke <shraddha.6596@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch removes the warnings reported by checkpatch.pl on
space prohibited between function name and open parenthesis '('
Signed-off-by: Kim, Leo <leo.kim@atmel.com>
Signed-off-by: Tony Cho <tony.cho@atmel.com>
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch removes the warnings reported by checkpatch.pl for using
multiple blank lines.
Signed-off-by: Kim, Leo <leo.kim@atmel.com>
Signed-off-by: Tony Cho <tony.cho@atmel.com>
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch removes the warnings reported by checkpatch.pl on
braces {} not necessary for the single statement blocks.
Signed-off-by: Kim, Leo <leo.kim@atmel.com>
Signed-off-by: Tony Cho <tony.cho@atmel.com>
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch removes unnecessary inner braces.
Signed-off-by: Tony Cho <tony.cho@atmel.com>
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch removes the warnings reported by checkpatch.pl on the braces
{} not necessary for any arm of this statement.
Signed-off-by: Tony Cho <tony.cho@atmel.com>
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch fixes the checks reported by checkpatch.pl
alignment should match open parenthesis
Signed-off-by: Jude.Lee <jude.lee@atmel.com>
Signed-off-by: Tony Cho <tony.cho@atmel.com>
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch removes the warnings reported by checkpatch.pl for using
multiple blank lines.
Signed-off-by: Jude.Lee <jude.lee@atmel.com>
Signed-off-by: Tony Cho <tony.cho@atmel.com>
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch removes the preprocessor conditionals which are related to
the WILC1000_SINGLE_TRANSFER definition becasue this is not used.
Signed-off-by: Tony Cho <tony.cho@atmel.com>
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch removes unused preprocessor conditionals for the
PLAT_AML8726_M3_BACKUP and PLAT_AML8726_M3 which are not used and so
dead codes. They are also platform-dependent codes.
Signed-off-by: Tony Cho <tony.cho@atmel.com>
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch removes the warnings reported by checkpatch.pl on {} not
necessary for the single statement blocks.
Signed-off-by: Tony Cho <tony.cho@atmel.com>
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch removes the warnings reported by checkpatch.pl on missing a blank
line after declaration.
Signed-off-by: Tony Cho <tony.cho@atmel.com>
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch removes the warnings reported by checkpatch.pl for using
multiple blank lines.
Signed-off-by: Tony Cho <tony.cho@atmel.com>
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch removes preprocessor conditionals (#ifdef or #ifndef) related
to SIMULATION definition from the codes becasue that SIMULATION feature is not
used anymore.
Signed-off-by: Tony Cho <tony.cho@atmel.com>
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch removes the warnings reported by checkpatch.pl on the short
description for the config symbol in the Kconfig by adding more comments
to describe the config symbol in more detail.
Signed-off-by: Tony Cho <tony.cho@atmel.com>
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch removes the following files which are not used anymore.
- fifo_buffer.c
- fifo_buffer.h
- coreconfigsimulator.h
- wilc_wfi_netdevice.c
Signed-off-by: Robin Hwang <robin.hwang@atmel.com>
Signed-off-by: Tony Cho <tony.cho@atmel.com>
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch fixes passing of a potential null pointer.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Christian Gromm <christian.gromm@microchip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch fixes the dereferencing of freed memory.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Christian Gromm <christian.gromm@microchip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch prevents snprintf from exceeding a given buffer size.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Christian Gromm <christian.gromm@microchip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Remove semicolon at the end of define statement to fix checkpatch warning.
WARNING: macros should not use a trailing semicolon
Signed-off-by: Chaehyun Lim <chaehyun.lim@gmail.com>
Acked-by: Christian Gromm <christian.gromm@microchip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Release all blocks after the pipe is disabled, even when vsync
didn't happen in some error cases. Allow requesting SMB multiple
times before configuring to hardware, by releasing blocks not
programmed to hardware yet for shrinking case.
This fixes a potential leak of shared memory pool blocks.
Signed-off-by: Wentao Xu <wentaox@codeaurora.org>
Tested-by: Archit Taneja <architt@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
The atomic commit cannot easily undo and return an error once the
state is swapped. Change to uninterruptible wait, and ignore the
timeout error.
Signed-off-by: Wentao Xu <wentaox@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
mdp4_get_frame_format() can dereference a drm_framebuffer when it's NULL.
Call it in mdp4_plane_mode_set only when we know fb is non-NULL.
Signed-off-by: Archit Taneja <architt@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
We need to return a new sgt, since the caller takes ownership of it.
Reported-by: Stanimir Varbanov <svarbanov@mm-sol.com>
Signed-off-by: Rob Clark <robdclark@gmail.com>
Add framework for the coincell charger DT block in pm8941 file, and
actual values for honami battery in the honami dts file.
Signed-off-by: Tim Bird <tim.bird@sonymobile.com>
Reviewed-by: Andy Gross <agross@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This driver is used to configure the coincell charger found in
Qualcomm PMICs.
The driver allows configuring the current-limiting resistor for
the charger, as well as the voltage to apply to the coincell
(or capacitor) when charging.
Signed-off-by: Tim Bird <tim.bird@sonymobile.com>
Reviewed-by: Andy Gross <agross@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This binding is used to configure the driver for the coincell charger
found in Qualcomm PMICs.
Signed-off-by: Tim Bird <tim.bird@sonymobile.com>
Reviewed-by: Andy Gross <agross@codeaurora.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The current iProc BCMA front-end driver can only work on ARM32 based
platforms; therefore its config option in Kconfig should be changed to
reflect that. This fixes arm64 allmodconfig build failure when compiling
the the iProc BCMA driver that contains struct pci_sys_data that is
arm32 specific
Signed-off-by: Ray Jui <rjui@broadcom.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
Add Broadcom NS2 device tree binding document. Also add initial device
tree dtsi for Broadcom North Star 2 (NS2) SoC and board support for NS2
SVK board
Signed-off-by: Jon Mason <jonmason@broadcom.com>
Signed-off-by: Ray Jui <rjui@broadcom.com>
Reviewed-by: Scott Branden <sbranden@broadcom.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
This patch adds support to Broadcom's iProc family of arm64 based SoCs
in the arm64 Kconfig and defconfig files
Signed-off-by: Ray Jui <rjui@broadcom.com>
Reviewed-by: Scott Branden <sbranden@broadcom.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
PCI: iproc: Add arm64 support
Add arm64 support to the iProc PCIe driver.
Note that on arm32, bus->sysdata points to the arm32-specific
pci_sys_data struct, and pci_sys_data.private_data contains the
iproc_pcie pointer. For arm64, there's nothing corresponding to
pci_sys_data, so we keep the iproc_pcie pointer directly in
bus->sysdata.
In addition, arm64 does IRQ mapping in pcibios_add_device(), so it
doesn't need pci_fixup_irqs() as arm32 does.
Signed-off-by: Ray Jui <rjui@broadcom.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Scott Branden <sbranden@broadcom.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
