, it may interrupt by other sas event works, like
PHYE_LOSS_OF_SIGNAL. Finally, we would found lots unexpected
errors. This patch is preparation of execute libsas sas event
in sync.
Signed-off-by: Yijing Wang
CC: John Garry
CC: Johannes Thumshirn
CC: Ewan Milne
CC: Christoph Hellwig
CC: Tomas
revalidata domain happen during ata error handler,
it should be safe to release disco mutex when sync probe, because
no new revalidate domain event would be process until the sync return,
and the current sas revalidate domain finish.
Signed-off-by: Yijing Wang
CC: John Garry
CC: Johannes Thumshirn
CC
Sometimes, we want sync libsas probe or destruct in sas discovery work,
like when libsas revalidate domain. We need to split probe and destruct
work from the scsi host workqueue.
Signed-off-by: Yijing Wang
CC: John Garry
CC: Johannes Thumshirn
CC: Ewan Milne
CC: Christoph Hellwig
CC: Tomas
No one uses the port_gone_completion in struct asd_sas_port,
clean it out.
Signed-off-by: Yijing Wang
---
include/scsi/libsas.h | 2 --
1 file changed, 2 deletions(-)
diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h
index c41328d..628f48b 100644
--- a/include/scsi/libsas.h
+++ b
Introduce a sync flag to tag discovery event whether need to
sync execute, per-event wait-complete ensure sync.
Signed-off-by: Yijing Wang
CC: John Garry
CC: Johannes Thumshirn
CC: Ewan Milne
CC: Christoph Hellwig
CC: Tomas Henzl
CC: Dan Williams
---
drivers/scsi/libsas/sas_discover.c
es would occur.
The first patch fix the sas events lost, and the second one introudce
wait-complete
to fix the hotplug order issues.
v2->v3: some code improvements suggested by Johannes and John,
split v2 patch 2 into several small pathes.
v1->v2: some code improvements suggest
ly, libsas delete the related sas port and sas devices, but LLDD driver
expect libsas add the sas port and devices(last sas event).
This patch and use static sas event work pool to appease this issue, since
it's static work pool, it won't make memory exhaust.
Signed-off-by: Yijing Wan
Introduce wait-complete for libsas sas event processing,
execute sas port create/destruct in sync.
Signed-off-by: Yijing Wang
CC: John Garry
CC: Johannes Thumshirn
CC: Ewan Milne
CC: Christoph Hellwig
CC: Tomas Henzl
CC: Dan Williams
---
drivers/scsi/libsas/sas_discover.c | 41
plete
we use former wait-complete to achieve a sas event atomic process and use
latter to
make a sas discovery sync.
4. remove disco_mutex in sas_revalidate_domain, since now sas_revalidate_domain
sync
the destruct discovery event execution, it's no need to lock disco mutex
there.
S
tplug order issues.
v1->v2: some code improvements suggested by John Garry
Yijing Wang (2):
libsas: Don't process sas events in static works
libsas: Enhance libsas hotplug
drivers/scsi/libsas/sas_discover.c | 58 +---
drivers/scsi/libsas/
sas devices, but LLDD driver
expect libsas add the sas port and devices(last sas event).
This patch remove the static defined hotplug work, and use dynamic work to
avoid missing hotplug events.
Signed-off-by: Yijing Wang
Signed-off-by: Yousong He
Signed-off-by: Qilin Chen
---
drivers/scsi/libsa
plete
we use former wait-complete to achieve a sas event atomic process and use
latter to
make a sas discovery sync.
4. remove disco_mutex in sas_revalidate_domain, since now sas_revalidate_domain
sync
the destruct discovery event execution, it's no need to lock disco mutex
there.
S
tplug order issues.
v1->v2: some code improvements suggested by John Garry
Yijing Wang (2):
libsas: Don't process sas events in static works
libsas: Enhance libsas hotplug
drivers/scsi/libsas/sas_discover.c | 58 +---
drivers/scsi/libsas/
sas devices, but LLDD driver
expect libsas add the sas port and devices(last sas event).
This patch remove the static defined hotplug work, and use dynamic work to
avoid missing hotplug events.
Signed-off-by: Yijing Wang
Signed-off-by: Yousong He
Signed-off-by: Qilin Chen
---
drivers/scsi/libsa
ait-complete to achieve a sas event atomic process and use
latter to
make a sas discovery sync.
4. remove disco_mutex in sas_revalidate_domain, since now sas_revalidate_domain
sync
the destruct discovery event execution, it's no need to lock disco mutex
there.
Signed-off-by: Yijing Wan
sas devices, but LLDD driver
expect libsas add the sas port and devices(last sas event).
This patch remove the static defined hotplug work, and use dynamic work to
avoid missing hotplug events.
Signed-off-by: Yijing Wang
Signed-off-by: Yousong He
Signed-off-by: Qilin Chen
---
drivers/scsi/libsa
tplug order issues.
Yijing Wang (2):
libsas: Don't process sas events in static works
libsas: Enhance libsas hotplug
drivers/scsi/libsas/sas_discover.c | 58 +---
drivers/scsi/libsas/sas_event.c| 90 ++
drivers/scsi/libsas/sas
device again.
-v2: remove the spin lock protect, because the sd_probe caller should
guarantee the scsi_device valid, and the bdi device is unregister
when scsi_device/block queue removed.
Signed-off-by: Yijing Wang
---
block/genhd.c | 3 ++-
1 file changed, 2 insertions(+), 1 d
n kernel.
This patch check the bdi device state before register a new bdi device to
avoid register a registered bdi device again.
Signed-off-by: Yijing Wang
---
block/genhd.c | 5 -
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/block/genhd.c b/block/genhd.c
index fcd6d4f..2c2f9
set_capacity() has been called in bcache_device_init(),
remove the redundant one.
Signed-off-by: Yijing Wang
---
drivers/md/bcache/super.c | 3 ---
1 file changed, 3 deletions(-)
diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c
index 849ad44..b638a16 100644
--- a/drivers/md
Parameter bio is no longer used, clean it.
Signed-off-by: Yijing Wang
---
drivers/md/bcache/request.c | 12 ++--
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/drivers/md/bcache/request.c b/drivers/md/bcache/request.c
index 40ffe5e..bf6e432 100644
--- a/drivers/md/bcache
v1-v2: Fix memory allocation issue in interrupt context.
Yijing Wang (2):
libsas: Alloc dynamic work to avoid missing sas events
libsas: Fix hotplug issue in libsas
drivers/scsi/libsas/sas_ata.c | 34 ++---
drivers/scsi/libsas/sas_discover.c | 245
d them in kernel.
This patch remove the static defined hotplug work,
and use dynamic work to avoid missing hotplug events.
Signed-off-by: Yijing Wang
Signed-off-by: Yousong He
Signed-off-by: Qilin Chen
---
drivers/scsi/libsas/sas_event.c| 61 ++
driver
ing, the old sas port resource may have not
completely deleted, the new sas port resource of the same name
will be created, and this will cause calltrace about sysfs
device node.
Signed-off-by: Yijing Wang
Signed-off-by: Yousong He
Signed-off-by: Qilin Chen
---
drivers/scsi/libsas/sas_at
ing, the old sas port resource may have not
completely deleted, the new sas port resource of the same name
will be created, and this will cause calltrace about sysfs
device node.
Signed-off-by: Yijing Wang
Signed-off-by: Yousong He
Signed-off-by: Qilin Chen
---
drivers/scsi/libsas/sas_at
d them in kernel.
This patch remove the static defined hotplug work,
and use dynamic work to avoid missing hotplug events.
Signed-off-by: Yijing Wang
Signed-off-by: Yousong He
Signed-off-by: Qilin Chen
---
drivers/scsi/libsas/sas_event.c| 61 ---
driver
There is no return in continue_at(), update the documentation.
Signed-off-by: Yijing Wang
---
drivers/md/bcache/closure.c |2 +-
drivers/md/bcache/closure.h |3 ++-
2 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/md/bcache/closure.c b/drivers/md/bcache/closure.c
We have assigned sb->block_size before the switch,
so remove the redundant one.
Reviewed-by: Coly Li
Signed-off-by: Yijing Wang
Acked-by: Eric Wheeler
---
drivers/md/bcache/super.c |1 -
1 files changed, 0 insertions(+), 1 deletions(-)
diff --git a/drivers/md/bcache/super.c b/drivers
Cache_sb is not used in cache_alloc, and we have copied
sb info to cache->sb already, remove it.
Reviewed-by: Coly Li
Signed-off-by: Yijing Wang
---
drivers/md/bcache/super.c |4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/md/bcache/super.c b/drivers
Cache_sb is not used in cache_alloc, and we have copied
sb info to cache->sb already, remove it.
Reviewed-by: Coly Li
Signed-off-by: Yijing Wang
---
drivers/md/bcache/super.c |4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/md/bcache/super.c b/drivers
There is no return in continue_at(), update the documentation.
Signed-off-by: Yijing Wang
---
drivers/md/bcache/closure.c |2 +-
drivers/md/bcache/closure.h |3 ++-
2 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/md/bcache/closure.c b/drivers/md/bcache/closure.c
We have assigned sb->block_size before the switch,
so remove the redundant one.
Reviewed-by: Coly Li
Signed-off-by: Yijing Wang
Acked-by: Eric Wheeler
---
drivers/md/bcache/super.c |1 -
1 files changed, 0 insertions(+), 1 deletions(-)
diff --git a/drivers/md/bcache/super.c b/drivers
We have assigned sb->block_size before the switch,
so remove the redundant one.
Reviewed-by: Coly Li
Signed-off-by: Yijing Wang
Acked-by: Eric Wheeler
---
drivers/md/bcache/super.c |1 -
1 files changed, 0 insertions(+), 1 deletions(-)
diff --git a/drivers/md/bcache/super.c b/drivers
There is no return in continue_at(), update the documentation.
Signed-off-by: Yijing Wang
---
drivers/md/bcache/closure.c |2 +-
drivers/md/bcache/closure.h |3 ---
2 files changed, 1 insertions(+), 4 deletions(-)
diff --git a/drivers/md/bcache/closure.c b/drivers/md/bcache/closure.c
Cache_sb is not used in cache_alloc, and we have copied
sb info to cache->sb already, remove it.
Signed-off-by: Yijing Wang
---
drivers/md/bcache/super.c |4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c
in
Pcibios_root_bridge_prepare() in powerpc set root bus
speed, it's not the preparation for pci host bridge.
For better separation of host bridge and root bus creation,
It's need to rename it to another weak function.
Signed-off-by: Yijing Wang
---
arch/powerpc/include/asm/machdep.h
, so introduce pci_create_root_bus_generic
and pci_scan_root_bus_generic() which simply assign domain
number to -1.
Tested-by: Gregory CLEMENT #mvebu part
Signed-off-by: Yijing Wang
---
arch/alpha/kernel/pci.c|4 ++--
arch/alpha/kernel/sys_nautilus.c |2 +-
arch/arm/kernel
wrap function pci_create_root_bus_generic()
and pci_create_root_bus_generic() for arm/arm64 which
enable CONFIG_PCI_DOMAINS_GENERIC.
Rebased this series based 4.2-rc1
Yijing Wang (10):
PCI: Save domain in pci_host_bridge
PCI: Move pci_bus_assign_domain_nr() declaration into
drivers/pci/pci.h
Now pci_host_bridge holds the domain number, we could
introduce common pci_domain_nr(), and remove platform specific code.
Signed-off-by: Yijing Wang
---
arch/alpha/include/asm/pci.h |2 --
arch/ia64/include/asm/pci.h |1 -
arch/microblaze/include/asm/pci.h |2 --
arch
Now we save the domain number in pci_host_bridge,
we could remove pci_bus_assign_domain_nr() and
clean the domain member in pci_bus.
Signed-off-by: Yijing Wang
---
drivers/pci/pci.c |5 -
drivers/pci/pci.h |9 -
drivers/pci/probe.c | 11 +++
include/linux/pci.h
Introduce pci_host_assign_domain_nr() to assign domain number
for pci_host_bridge.
Signed-off-by: Yijing Wang
---
drivers/pci/pci.c | 24 +++-
drivers/pci/pci.h |1 +
2 files changed, 20 insertions(+), 5 deletions(-)
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
pci_bus_assign_domain_nr() is only called in probe.c,
Move pci_bus_assign_domain_nr() declaration into
drivers/pci/pci.h.
Signed-off-by: Yijing Wang
---
drivers/pci/pci.h |9 +
include/linux/pci.h |6 --
2 files changed, 9 insertions(+), 6 deletions(-)
diff --git a
Pci_host_bridge hold the domain number, we need
to assign domain number prior to root bus creation,
because root bus need to know the domain number
to check whether it's alreay exist. Also it's
preparation for separating pci_host_bridge creation
from pci_create_root_bus().
Signed-off-
pci_get_new_domain_nr() is only used in drivers/pci/pci.c,
remove the declaration in include/linux/pci.h.
Signed-off-by: Yijing Wang
---
drivers/pci/pci.c |4 ++--
include/linux/pci.h |3 ---
2 files changed, 2 insertions(+), 5 deletions(-)
diff --git a/drivers/pci/pci.c b/drivers
ci_bus * have opaque sysdata, so IA64 specific
pci_domain_nr() could get the pci_controller and return the exact
domain number, but now we use common pci_domain_nr() functions, so we
should fix this warning.
Signed-off-by: Yijing Wang
---
arch/ia64/sn/kernel/io_acpi_init.c |6 +++---
arch/i
Now platform specific sysdata is saved in pci_bus,
and pcibios_root_bridge_prepare() need to know
the sysdata. Later, we would move pcibios_root_bridge_prepare()
prior to root bus creation, so we need to make
pci_host_bridge hold sysdata.
Signed-off-by: Yijing Wang
---
arch/ia64/pci/pci.c
On 2015/7/15 13:08, Yinghai Lu wrote:
> On Tue, Jul 14, 2015 at 8:07 PM, Yijing Wang wrote:
>> On 2015/7/7 7:39, Yinghai Lu wrote:
>>> Need to increase size to make sure it could fit all alt entries.
>>>
>>> So at last, we use 8M/17M as parent bridge alt_ali
_size: 8M/17M.
>
> At same time, child bridges must align/size: 4M/12M, 2M/6M.
> and prarent bridge must align/size: 4M/20M.
>
> So at last, we use 8M/17M as parent bridge alt_align/alt_size.
Tested-by: Yijing Wang
Hi Yinghai, does this patch depend on the previous items in thi
struct msi_desc
> genirq, PCI: Reorginize struct msi_desc to prepare for support of
> generic MSI
> genirq, PCI: Move alloc_msi_entry() from PCI MSI code into generic
> MSI code
Great, it loos good to me, for patch 1,6,8,9,10,11,12, Reviewed-by: Yijing Wang
>
>
On 2015/5/21 3:47, Bjorn Helgaas wrote:
> I think we have some issues with the e1000e usage of
> pci_disable_link_state_locked(), which Yinghai added with 9f728f53dd70
> ("PCI/e1000e: Add and use pci_disable_link_state_locked()").
>
> That fixed an AER deadlock in the following path, where pci_bus
On 2015/5/21 3:47, Bjorn Helgaas wrote:
> I think we have some issues with the e1000e usage of
> pci_disable_link_state_locked(), which Yinghai added with 9f728f53dd70
> ("PCI/e1000e: Add and use pci_disable_link_state_locked()").
>
> That fixed an AER deadlock in the following path, where pci_bus
root_bus_speed()
> sparc/PCI: Use pci_scan_host_bridge() for simplicity
> parisc/PCI: Use pci_scan_root_bus() for simplicity
> PCI/mvebu: Use pci_common_init_dev() to simplify code
> PCI/tegra: Remove redundant tegra_pcie_scan_bus()
> PCI/designware: Use pci_scan_
Now we could use pci_scan_host_bridge() to scan
pci buses, provide powerpc specific pci_host_bridge_ops.
Tested-by: Daniel Axtens
Signed-off-by: Yijing Wang
Reviewed-by: Daniel Axtens
CC: Benjamin Herrenschmidt
CC: linuxppc-...@lists.ozlabs.org
---
arch/powerpc/kernel/pci-common.c | 62
resource instead of default global one, and add a flag
to pci_host_bridge, so when pci_host_bridge go to free,
the dynamic busn resource could also be freed properly.
Signed-off-by: Yijing Wang
---
drivers/pci/probe.c | 27 +++
include/linux/pci.h |1 +
2 files changed
d add pci_host_bridge_ops to do the same thing
in later patch.
Signed-off-by: Yijing Wang
---
arch/powerpc/include/asm/machdep.h |2 +-
arch/powerpc/kernel/pci-common.c |8 +++-
arch/powerpc/platforms/pseries/pci.c |8
arch/powerpc/platforms/pseries/pser
pci_bus_assign_domain_nr() is only called in probe.c,
Move pci_bus_assign_domain_nr() declaration into
drivers/pci/pci.h.
Signed-off-by: Yijing Wang
---
drivers/pci/pci.h |9 +
include/linux/pci.h |6 --
2 files changed, 9 insertions(+), 6 deletions(-)
diff --git a
, so we pass meaningless -1 as the domain
number.
Tested-by: Gregory CLEMENT #mvebu part
Signed-off-by: Yijing Wang
---
arch/alpha/kernel/pci.c|4 ++--
arch/alpha/kernel/sys_nautilus.c |2 +-
arch/arm/kernel/bios32.c |2 +-
arch/arm/mach-dove/pcie.c
Now no one use weak pcibios_root_bridge_prepare() and
pcibios_set_root_bus_speed, we could clean up them.
Signed-off-by: Yijing Wang
---
drivers/pci/host-bridge.c |4
drivers/pci/probe.c | 18 +-
include/linux/pci.h |2 --
3 files changed, 1 insertions
Use pci_scan_root_bus() instead of pci_create_root_bus() +
pci_scan_child_bus() for simplicity.
Signed-off-by: Yijing Wang
CC: Mohit Kumar
CC: Jingoo Han
---
drivers/pci/host/pcie-designware.c |4 +---
1 files changed, 1 insertions(+), 3 deletions(-)
diff --git a/drivers/pci/host/pcie
add it
to pci_host_bridge, in the later patch, it would be easy
to check whether new pci_host_bridge busn resource conflict.
Signed-off-by: Yijing Wang
---
drivers/pci/probe.c | 43 ++-
1 files changed, 30 insertions(+), 13 deletions(-)
diff --git a/drivers/pci
All pci_create_root_bus() callers have supplied
busn resource, the argument bus is equal to
busn_res->start, clean up the redundant argument
bus for simplicity.
Signed-off-by: Yijing Wang
---
arch/ia64/pci/pci.c|3 +--
arch/powerpc/kernel/pci-common.c |2 +-
arch/sp
This patch separate pci_host_bridge creation out
of pci_create_root_bus(), and try to make a generic
pci_host_bridge, then we could make it hold host
bridge specific operations like
pcibios_root_bridge_prepare(). The changes are
transparent to platform host bridge drivers.
Signed-off-by: Yijing
Introduce pci_host_assign_domain_nr() to assign domain
number for pci_host_bridge. In the later patch, we would
assign domain in pci_create_host_bridge, clean up the
pci_bus_assign_domain_nr() and move this function into
drivers/pci/host-bridge.c.
Signed-off-by: Yijing Wang
---
drivers/pci
t and io/mem/bus resources
but no platform specific pci_host_bridge operations
3. pci_scan_host_bridge()
for callers provide its own parent and io/mem/bus resources
Arnd Bergmann (1):
xen/PCI: Don't use deprecated function pci_scan_bus_parented()
Yijing Wang (28):
PCI: Remov
Move pcibios_root_bridge_prepare() to pci_create_host_bridge().
Signed-off-by: Yijing Wang
---
drivers/pci/host-bridge.c | 16 +---
drivers/pci/probe.c |3 ---
2 files changed, 13 insertions(+), 6 deletions(-)
diff --git a/drivers/pci/host-bridge.c b/drivers/pci/host
Introduce new scan function pci_scan_host_bridge() to
support host bridge drivers that need to provide platform
own pci_host_bridge_ops.
Signed-off-by: Yijing Wang
---
drivers/pci/probe.c | 23 +++
include/linux/pci.h |3 +++
2 files changed, 26 insertions(+), 0
complete. But pci scan
functions won't return the actual max bus number.
So we could use pci_bus_child_max_busnr() to find
that.
Signed-off-by: Fengguang Wu
Signed-off-by: Yijing Wang
---
drivers/pci/hotplug/acpiphp_glue.c | 29 +
drivers/pci/pci.c
Introduce pci_host_bridge_list to manage pci host
bridges in system, this make us have the ability
to check whether the new host would conflict with
existing one. Then we could remove bus alreay exist
check in __pci_create_root_bus().
Signed-off-by: Yijing Wang
---
drivers/pci/host-bridge.c
Now we could use pci_scan_host_bridge() to scan
pci buses, provide sparc specific pci_host_bridge_ops.
Signed-off-by: Yijing Wang
CC: "David S. Miller"
CC: sparcli...@vger.kernel.org
---
arch/sparc/kernel/pci.c | 28 ++--
1 files changed, 22 insertions(+), 6
No one uses pci_scan_bus_parented() any more,
remove it.
Signed-off-by: Yijing Wang
---
drivers/pci/probe.c | 19 ---
include/linux/pci.h |2 --
2 files changed, 0 insertions(+), 21 deletions(-)
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 6675a7a..7d6a61c
: Yijing Wang
---
drivers/pci/host-bridge.c |9 -
drivers/pci/pci.h |3 ++-
drivers/pci/probe.c |8 ++--
include/linux/pci.h |9 +
4 files changed, 25 insertions(+), 4 deletions(-)
diff --git a/drivers/pci/host-bridge.c b/drivers/pci/host
Save platform specific sysdata in pci_host_bridge
drvdata, host bridge specific operation need to
access it before the pci bus creation.
Signed-off-by: Yijing Wang
---
drivers/pci/host-bridge.c |3 ++-
drivers/pci/pci.h |2 +-
drivers/pci/probe.c | 13 ++---
3
From: Yijing Wang
Signed-off-by: Yijing Wang
CC: Tony Luck
CC: Fenghua Yu
CC: linux-i...@vger.kernel.org
---
arch/ia64/pci/pci.c | 34 +++---
1 files changed, 19 insertions(+), 15 deletions(-)
diff --git a/arch/ia64/pci/pci.c b/arch/ia64/pci/pci.c
index 84f1eb8
Use pci_scan_root_bus() instead of pci_create_root_bus() +
pci_scan_child_bus() for simplicity.
Signed-off-by: Yijing Wang
CC: Tanmay Inamdar
---
drivers/pci/host/pci-xgene.c |5 ++---
1 files changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/pci/host/pci-xgene.c b/drivers/pci
Now pci_scan_root_bus() is almost similar to
pci_create_root_bus() + pci_scan_child_bus().
So we could use common pci_scan_root_bus() in
pci_common_init_dev() to scan pci busses.
tegra_pcie_scan_bus() is redundant, remove it.
Tested-by: Thierry Reding
Signed-off-by: Yijing Wang
Acked-by
Now pci_host_bridge holds the domain number,
so we could eliminate all platform specific
pci_domain_nr().
Signed-off-by: Yijing Wang
---
arch/alpha/include/asm/pci.h |2 --
arch/ia64/include/asm/pci.h |1 -
arch/microblaze/pci/pci-common.c | 11 ---
arch/mips/include
From: Yijing Wang
Now pci_bus_add_devices() has been ripped out
from pci_scan_root_bus(), we could use pci_scan_root_bus()
instead of pci_create_root_bus() + pci_scan_child_bus()
for simplicity.
Signed-off-by: Yijing Wang
CC: "James E.J. Bottomley"
CC: linux-par...@vger.
Signed-off-by: Yijing Wang
CC: Thomas Gleixner
CC: x...@kernel.org
---
arch/x86/pci/acpi.c | 37 +
1 files changed, 21 insertions(+), 16 deletions(-)
diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c
index d6aab1c..ec16499 100644
--- a/arch/x86/pci
Now no one use pci_create_root_bus(), we could remove it
and rename __pci_create_root_bus() to pci_create_root_bus().
Signed-off-by: wangyij...@huawei.com
---
drivers/pci/probe.c | 57 +++---
include/linux/pci.h |3 --
2 files changed, 17 insertio
Now we save the domain number in pci_host_bridge,
we could remove pci_bus_assign_domain_nr() and
clean the domain member in pci_bus. Also move
pci_host_assign_domain_nr() to drivers/pci/host-bridge.c
for simplicity.
Signed-off-by: Yijing Wang
---
drivers/pci/host-bridge.c | 68
Mvebu_pcie_scan_bus() is not necessary, we could use
pci_common_init_dev() instead of pci_common_init(),
and pass the device pointer as the parent. Then
pci_scan_root_bus() will be called to scan the pci busses.
Tested-by: Gregory CLEMENT
Signed-off-by: Yijing Wang
Reviewed-by: Gregory CLEMENT
From: Arnd Bergmann
Use pci_scan_root_bus() instead of deprecated function
pci_scan_bus_parented().
Signed-off-by: Arnd Bergmann
Signed-off-by: Yijing Wang
CC: Konrad Rzeszutek Wilk
CC: xen-de...@lists.xenproject.org
---
drivers/pci/xen-pcifront.c | 16 +---
1 files changed
On 2015/4/8 6:42, Bjorn Helgaas wrote:
> On Fri, Apr 03, 2015 at 05:25:42PM +0800, Yijing Wang wrote:
>> From: Yijing Wang
>>
>> Sometimes, the bus resource start number is not equal to
>> root bus number. For example, in pci_scan_bus(), we always
>> add the def
On 2015/4/8 16:09, Gregory CLEMENT wrote:
> Hi Yijing,
>
> On 03/04/2015 11:25, Yijing Wang wrote:
>> Save domain in pci_host_bridge, so we could get domain
>> from pci_host_bridge, and at the end of series, we could
>> clean up the arch specific pci_domain_nr(). Fo
nd Armada 38x
> SoCs, and I didn't saw any regression. So you can add my:
>
> Reviewed-by: Gregory CLEMENT
> Tested-by: Gregory CLEMENT
Great, thanks very much!
Thanks!
Yijing.
>
>
>
>> Signed-off-by: Yijing Wang
>> CC: Thomas Petazzoni
>> CC: Jason
>> diff --git a/include/linux/pci.h b/include/linux/pci.h
>> index 1542df8..f189dfb 100644
>> --- a/include/linux/pci.h
>> +++ b/include/linux/pci.h
>> @@ -404,6 +404,8 @@ struct pci_host_bridge {
>> int domain;
>> struct device dev;
>> struct pci_bus *bus;/* root bus */
>> +/*
>> + * If support CONFIG_PCI_DOMAINS_GENERIC, use
>> + * pci_host_assign_domain_nr() to update domain
>> + * number.
>> + */
>> +host->domain = domain;
>> +pci_host_assign_domain_nr(host);
>
> I think it's a bit confusing that there's another "host->domain ="
> a
hanks very much for your test and review.
Thanks!
Yijing.
>
>
> On Fri, 2015-04-03 at 17:25 +0800, Yijing Wang wrote:
>> Now we could use pci_scan_host_bridge() to scan
>> pci buses, provide powerpc specific pci_host_bridge_ops.
>>
>> Sign
d add pci_host_bridge_ops to do the same thing
in later patch.
Signed-off-by: Yijing Wang
---
arch/powerpc/include/asm/machdep.h |2 +-
arch/powerpc/kernel/pci-common.c |8 +++-
arch/powerpc/platforms/pseries/pci.c |8
arch/powerpc/platforms/pseries/pser
Save platform specific sysdata in pci_host_bridge
drvdata, host bridge specific operation need to
access it before the pci bus creation.
Signed-off-by: Yijing Wang
---
drivers/pci/host-bridge.c |3 ++-
drivers/pci/pci.h |2 +-
drivers/pci/probe.c | 20
Now no one use weak pcibios_root_bridge_prepare() and
pcibios_set_root_bus_speed, we could clean up them.
Signed-off-by: Yijing Wang
---
drivers/pci/host-bridge.c |4
drivers/pci/probe.c | 18 +-
include/linux/pci.h |2 --
3 files changed, 1 insertions
: Yijing Wang
---
drivers/pci/host-bridge.c |9 -
drivers/pci/pci.h |5 +++--
drivers/pci/probe.c | 11 ---
include/linux/pci.h |9 +
4 files changed, 28 insertions(+), 6 deletions(-)
diff --git a/drivers/pci/host-bridge.c b/drivers/pci/host
Mvebu_pcie_scan_bus() is not necessary, we could use
pci_common_init_dev() instead of pci_common_init(),
and pass the device pointer as the parent. Then
pci_scan_root_bus() will be called to scan the pci busses.
Signed-off-by: Yijing Wang
CC: Thomas Petazzoni
CC: Jason Cooper
---
drivers/pci
Now pci_host_bridge holds the domain number,
so we could eliminate all platform specific
pci_domain_nr().
Signed-off-by: Yijing Wang
---
arch/alpha/include/asm/pci.h |2 --
arch/ia64/include/asm/pci.h |1 -
arch/microblaze/pci/pci-common.c | 11 ---
arch/mips/include
Signed-off-by: Yijing Wang
CC: Thomas Gleixner
CC: x...@kernel.org
---
arch/x86/pci/acpi.c | 37 +
1 files changed, 21 insertions(+), 16 deletions(-)
diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c
index d2655d5..877acaf 100644
--- a/arch/x86/pci
From: Arnd Bergmann
Use pci_scan_root_bus() instead of deprecated function
pci_scan_bus_parented().
Signed-off-by: Arnd Bergmann
Signed-off-by: Yijing Wang
CC: Konrad Rzeszutek Wilk
CC: xen-de...@lists.xenproject.org
---
drivers/pci/xen-pcifront.c | 16 +---
1 files changed
Use it to get the first bus number of the bus
resource.
Signed-off-by: Yijing Wang
---
drivers/pci/pci.h | 11 +++
drivers/pci/probe.c | 19 ++-
2 files changed, 21 insertions(+), 9 deletions(-)
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index 8526790
Now we could use pci_scan_host_bridge() to scan
pci buses, provide powerpc specific pci_host_bridge_ops.
Signed-off-by: Yijing Wang
CC: Benjamin Herrenschmidt
CC: linuxppc-...@lists.ozlabs.org
---
arch/powerpc/kernel/pci-common.c | 62 +++--
1 files changed
pci_bus_assign_domain_nr() is only called in probe.c,
Move pci_bus_assign_domain_nr() declaration into
drivers/pci/pci.h.
Signed-off-by: Yijing Wang
---
drivers/pci/pci.h |9 +
include/linux/pci.h |6 --
2 files changed, 9 insertions(+), 6 deletions(-)
diff --git a
From: Yijing Wang
Now pci_bus_add_devices() has been ripped out
from pci_scan_root_bus(), we could use pci_scan_root_bus()
instead of pci_create_root_bus() + pci_scan_child_bus()
for simplicity.
Signed-off-by: Yijing Wang
CC: "James E.J. Bottomley"
CC: linux-par...@vger.
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