Use mt76x02_dev data structure as reference in mt76x02_mcu.c
instead of mt76_dev
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Fix typo in bank check in mt76x0_rf_csr_{wr,rr} routines.
This issue has never been hit since mt76x0_rf_csr_{wr,rr}
are actually used just by pci code
Fixes: 10de7a8b4a ("mt76x0: phy files")
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Use mt76_is_usb() to identify RF access method instead of
MT76_STATE_MCU_RUNNING flag and add warning since MCU has
to be initialized before we can access RF registers via MCU.
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
PCIe version don't use MCU for RF registers access. We need
to correct RF CSR method to support up to 127 RF registers.
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Function _rtl8821ae_mrate_idx_to_arfr_id is functionally identical to
the generic version rtl_mrate_idx_to_arfr_id, so remove
_rtl8821ae_mrate_idx_to_arfr_id and use the generic one instead.
This also fixes a missing break statement found by CoverityScan in
_rtl8821ae_mrate_idx_to_arfr_id, namely: CID#1167237 ("Missing break
in switch")
Thanks to Joe Perches for spotting this when I submitted an earlier patch.
Fixes: 3c05bedb5f ("Staging: rtl8812ae: Add Realtek 8821 PCI WIFI driver")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
ACKed-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
The rs_rate_from_ucode_rate() function may return -EINVAL if the rate
is invalid, but none of the callsites check for the error, potentially
making us access arrays with index IWL_RATE_INVALID, which is larger
than the arrays, causing an out-of-bounds access. This will trigger
KASAN warnings, such as the one reported in the bugzilla issue
mentioned below.
This fixes https://bugzilla.kernel.org/show_bug.cgi?id=200659
Cc: stable@vger.kernel.org
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
* Support for a new scan type;
* Clean-up in the queue handling code;
* A few bug fixes;
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Merge tag 'iwlwifi-next-for-kalle-2018-10-12' of git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next
Fourth set of iwlwifi patches intended for 4.20
* Support for a new scan type;
* Clean-up in the queue handling code;
* A few bug fixes;
Conflicts were easy to resolve using immediate context mostly,
except the cls_u32.c one where I simply too the entire HEAD
chunk.
Signed-off-by: David S. Miller <davem@davemloft.net>
Julian Wiedmann says:
====================
s390/qeth: updates 2018-10-12
please apply one more patchset for net-next. This extends the TSO support
in qeth.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Except for the new HW header id, this works just like TSO6 on L3 devices
and reuses all the existing data path support in qeth_xmit().
Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This adds TSO6 support for L3 qeth devices.
Just like for standard IPv6 traffic, TSO6 doesn't use IP offload and
thus runs over the normal qeth_xmit() path.
Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
TSO6 requires the full programming sequence, and not just a simple
START command. This implements the additional ENABLE command, and adds
some sanity checks that were missing for the START command.
Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In preparation for IPv6 TSO, turn the protocol version into a parameter
for the TSO control code.
Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Salil Mehta says:
====================
Fixes & small enhancements related to the promisc mode in HNS3
This patch-set presents some fixes and enhancements related to promiscuous
mode and MAC VLAN Table full condition in HNS3 Ethernet Driver.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch resumes promisc mode and vlan filter status after
loopback test.
Fixes: 3b75c3df59 ("net: hns3: net: hns3: Add support for IFF_ALLMULTI flag")
Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch resumes promisc mode and vlan filter status after reset.
Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently, the driver does nothing when mac vlan table is full.
In this case, the packet with new mac address will be dropped
by hardware. This patch adds check for the result of sync mac
address, and enable promisc mode when mac vlan table is full.
Furtherly, disable vlan filter when enable promisc by user
command.
Fixes: 46a3df9f97 ("net: hns3: Add HNS3 Acceleration Engine & Compatibility Layer Support")
Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
We already have BUILD_BUG_ON_ZERO() which I just hadn't found
before, so we should use it here instead of open-coding another
implementation thereof.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
* merge net-next, so I can finish the hwsim workqueue removal
* fix TXQ NULL pointer issue that was reported multiple times
* minstrel cleanups from Felix
* simplify lib80211 code by not using skcipher, note that this
will conflict with the crypto tree (and this new code here
should be used)
* use new netlink policy validation in nl80211
* fix up SAE (part of WPA3) in client-mode
* FTM responder support in the stack
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Merge tag 'mac80211-next-for-davem-2018-10-12' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
Johannes Berg says:
====================
Highlights:
* merge net-next, so I can finish the hwsim workqueue removal
* fix TXQ NULL pointer issue that was reported multiple times
* minstrel cleanups from Felix
* simplify lib80211 code by not using skcipher, note that this
will conflict with the crypto tree (and this new code here
should be used)
* use new netlink policy validation in nl80211
* fix up SAE (part of WPA3) in client-mode
* FTM responder support in the stack
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch adds an option to have per-port vlan stats instead of the
default global stats. The option can be set only when there are no port
vlans in the bridge since we need to allocate the stats if it is set
when vlans are being added to ports (and respectively free them
when being deleted). Also bump RTNL_MAX_TYPE as the bridge is the
largest user of options. The current stats design allows us to add
these without any changes to the fast-path, it all comes down to
the per-vlan stats pointer which, if this option is enabled, will
be allocated for each port vlan instead of using the global bridge-wide
one.
CC: bridge@lists.linux-foundation.org
CC: Roopa Prabhu <roopa@cumulusnetworks.com>
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix a stupid typo introduced in the refactoring.
Fixes: 0efe5523 ("fore200e: simplify fore200e_bus usage")
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
When a link's carrier goes down it could be a sign of the port changing
networks. If the new network has overlapping addresses with the old one,
then the kernel will continue trying to use neighbor entries established
based on the old network until the entries finally age out - meaning a
potentially long delay with communications not working.
This patch evicts neighbor entries on carrier down with the exception of
those marked permanent. Permanent entries are managed by userspace (either
an admin or a routing daemon such as FRR).
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Another difference between IPv4 and IPv6 is the generation of RTM_DELROUTE
notifications when a device is taken down (admin down) or deleted. IPv4
does not generate a message for routes evicted by the down or delete;
IPv6 does. A NOS at scale really needs to avoid these messages and have
IPv4 and IPv6 behave similarly, relying on userspace to handle link
notifications and evict the routes.
At this point existing user behavior needs to be preserved. Since
notifications are a global action (not per app) the only way to preserve
existing behavior and allow the messages to be skipped is to add a new
sysctl (net/ipv6/route/skip_notify_on_dev_down) which can be set to
disable the notificatioons.
IPv6 route code already supports the option to skip the message (it is
used for multipath routes for example). Besides the new sysctl we need
to pass the skip_notify setting through the generic fib6_clean and
fib6_walk functions to fib6_clean_node and to set skip_notify on calls
to __ip_del_rt for the addrconf_ifdown path.
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fixes gcc '-Wunused-but-set-variable' warning:
drivers/net/usb/cdc_ncm.c: In function 'cdc_ncm_status':
drivers/net/usb/cdc_ncm.c:1603:22: warning:
variable 'ctx' set but not used [-Wunused-but-set-variable]
struct cdc_ncm_ctx *ctx;
It not used any more after
commit fa83dbeee5 ("net: cdc_ncm: remove redundant "disconnected" flag")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Two last minute bugfixes, both for NXP platforms:
* The Layerscape 'qbman' infrastructure suffers from probe ordering
bugs in some configurations, a two-patch series adds a hotfix for
this. 4.20 will have a longer set of patches to rework it.
* The old imx53-qsb board regressed in 4.19 after the addition
of cpufreq support, adding a set of explicit operating points
fixes this.
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Merge tag 'armsoc-fixes-4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Arnd writes:
"ARM: SoC fixes for 4.19
Two last minute bugfixes, both for NXP platforms:
* The Layerscape 'qbman' infrastructure suffers from probe ordering
bugs in some configurations, a two-patch series adds a hotfix for
this. 4.20 will have a longer set of patches to rework it.
* The old imx53-qsb board regressed in 4.19 after the addition
of cpufreq support, adding a set of explicit operating points
fixes this."
* tag 'armsoc-fixes-4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
soc: fsl: qman_portals: defer probe after qman's probe
soc: fsl: qbman: add APIs to retrieve the probing status
ARM: dts: imx53-qsb: disable 1.2GHz OPP
Fix a leak of afs_server structs. The routine that installs them in the
various lookup lists and trees gets a ref on leaving the function, whether
it added the server or a server already exists. It shouldn't increment
the refcount if it added the server.
The effect of this that "rmmod kafs" will hang waiting for the leaked
server to become unused.
Fixes: d2ddc776a4 ("afs: Overhaul volume and server record caching and fileserver rotation")
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Just drop the "linux" part of the path, it was never correct.
Reported-by: Joe Perches <joe@perches.com>
Fixes: 256ac03750 ("dt-bindings: document devicetree bindings for mux-controllers and gpio-mux")
Signed-off-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The file is GPL v2 or later.
Acked-by: Mircea Caprioru <mircea.caprioru@analog.com>
Signed-off-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Access to the list of cells by /proc/net/afs/cells has a couple of
problems:
(1) It should be checking against SEQ_START_TOKEN for the keying the
header line.
(2) It's only holding the RCU read lock, so it can't just walk over the
list without following the proper RCU methods.
Fix these by using an hlist instead of an ordinary list and using the
appropriate accessor functions to follow it with RCU.
Since the code that adds a cell to the list must also necessarily change,
sort the list on insertion whilst we're at it.
Fixes: 989782dcdc ("afs: Overhaul cell database management")
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Current mac80211 has provision to update tx status through
ieee80211_tx_status() and ieee80211_tx_status_ext(). But
drivers like ath10k updates the tx status from the skb except
txrate, txrate will be updated from a different path, peer stats.
Using ieee80211_tx_status_ext() in two different paths
(one for the stats, one for the tx rate) would duplicate
the stats instead.
To avoid this stats duplication, ieee80211_tx_rate_update()
is implemented.
Signed-off-by: Anilkumar Kolli <akolli@codeaurora.org>
[minor commit message editing, use initializers in code]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
- Avoid fragile multiblock reads for the last sector in SPI mode
WIFI/SDIO:
- libertas: Fixup suspend sequence for the SDIO card
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Merge tag 'mmc-v4.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Ulf writes:
"MMC core:
- Avoid fragile multiblock reads for the last sector in SPI mode
WIFI/SDIO:
- libertas: Fixup suspend sequence for the SDIO card"
* tag 'mmc-v4.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
libertas: call into generic suspend code before turning off power
mmc: block: avoid multiblock reads for the last sector in SPI mode
Add support for drivers to report the total number of MPDUs received
and the number of MPDUs received with an FCS error from a specific
peer. These counters will be incremented only when the TA of the
frame matches the MAC address of the peer irrespective of FCS
error.
It should be noted that the TA field in the frame might be corrupted
when there is an FCS error and TA matching logic would fail in such
cases. Hence, FCS error counter might not be fully accurate, but it can
provide help in detecting bad RX links in significant number of cases.
This FCS error counter without full accuracy can be used, e.g., to
trigger a kick-out of a connected client with a bad link in AP mode to
force such a client to roam to another AP.
Signed-off-by: Ankita Bajaj <bankita@codeaurora.org>
Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
- Fix up the interrupt parent for the irqdomains.
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Merge tag 'gpio-v4.19-4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Linus writes:
"GPIO fix for the v4.19 series:
- Fix up the interrupt parent for the irqdomains."
* tag 'gpio-v4.19-4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
gpio: Assign gpio_irq_chip::parents to non-stack pointer
- Interrupt setup in the MCP23S08 driver.
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Merge tag 'pinctrl-v4.19-5' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Linus writes:
"pin control fix for v4.19:
A single pin control fix for v4.19:
- Interrupt setup in the MCP23S08 driver."
* tag 'pinctrl-v4.19-5' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
pinctrl: mcp23s08: fix irq and irqchip setup order
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Merge tag 'drm-fixes-2018-10-12-1' of git://anongit.freedesktop.org/drm/drm
Dave writes:
"drm fixes for 4.19-rc8
single nouveau runtime reference and mst change"
* tag 'drm-fixes-2018-10-12-1' of git://anongit.freedesktop.org/drm/drm:
drm/nouveau/drm/nouveau: Grab runtime PM ref in nv50_mstc_detect()
We only have one bug to submit this time around. It fixes a DMA unmap
issue where we unmapped the DMA address from the IOMMU before we did
from the card, resulting in a DMAR error with IOMMU enabled, or possible
crash without.
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Merge tag 'for-gkh' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Doug writes:
"RDMA fixes:
Final for-rc pull request for 4.19
We only have one bug to submit this time around. It fixes a DMA
unmap issue where we unmapped the DMA address from the IOMMU before
we did from the card, resulting in a DMAR error with IOMMU enabled,
or possible crash without."
* tag 'for-gkh' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
IB/mlx5: Unmap DMA addr from HCA before IOMMU
New bss param ftm_responder is used to notify the driver to
enable fine timing request (FTM) responder role in AP mode.
Plumb the new cfg80211 API for FTM responder statistics through to
the driver API in mac80211.
Signed-off-by: David Spinadel <david.spinadel@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Pradeep Kumar Chitrapu <pradeepc@codeaurora.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Dmitry writes:
"Input updates for v4.19-rc7
- we added a few scheduling points into various input interfaces to
ensure that large writes will not cause RCU stalls
- fixed configuring PS/2 keyboards as wakeup devices on newer
platforms
- added a new Xbox gamepad ID."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: uinput - add a schedule point in uinput_inject_events()
Input: evdev - add a schedule point in evdev_write()
Input: mousedev - add a schedule point in mousedev_write()
Input: i8042 - enable keyboard wakeups by default when s2idle is used
Input: xpad - add support for Xbox1 PDP Camo series gamepad
Commit
6b7dca401c ("tracing: Allow gcov profiling on only ftrace subsystem")
uncovered linker problems when using gcov kernel profiling on some
architectures. These problems were likely introduced earlier, and are
possibly related to compiler changes.
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Merge tag 'next-fixes-20181012' of git://git.kernel.org/pub/scm/linux/kernel/git/sfr/next-fixes
Stephen writes:
"A couple of warning fixes:
Two fixes from Peter Oberparleiter <oberpar@linux.ibm.com>:
Commit 6b7dca401c ("tracing: Allow gcov profiling on only ftrace subsystem")
uncovered linker problems when using gcov kernel profiling on some
architectures. These problems were likely introduced earlier, and are
possibly related to compiler changes."
* tag 'next-fixes-20181012' of git://git.kernel.org/pub/scm/linux/kernel/git/sfr/next-fixes:
vmlinux.lds.h: Fix linker warnings about orphan .LPBX sections
vmlinux.lds.h: Fix incomplete .text.exit discards
The previous patch introduced very large kernel stack usage and a Makefile
change to hide the warning about it.
From what I can tell, a number of things went wrong here:
- The BCH_MAX_T constant was set to the maximum value for 'n',
not the maximum for 't', which is much smaller.
- The stack usage is actually larger than the entire kernel stack
on some architectures that can use 4KB stacks (m68k, sh, c6x), which
leads to an immediate overrun.
- The justification in the patch description claimed that nothing
changed, however that is not the case even without the two points above:
the configuration is machine specific, and most boards never use the
maximum BCH_ECC_WORDS() length but instead have something much smaller.
That maximum would only apply to machines that use both the maximum
block size and the maximum ECC strength.
The largest value for 't' that I could find is '32', which in turn leads
to a 60 byte array instead of 2048 bytes. Making it '64' for future
extension seems also worthwhile, with 120 bytes for the array. Anything
larger won't fit into the OOB area on NAND flash.
With that changed, the warning can be enabled again.
Only linux-4.19+ contains the breakage, so this is only needed
as a stable backport if it does not make it into the release.
Fixes: 02361bc778 ("lib/bch: Remove VLA usage")
Reported-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: stable@vger.kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
David writes:
"Networking
1) RXRPC receive path fixes from David Howells.
2) Re-export __skb_recv_udp(), from Jiri Kosina.
3) Fix refcounting in u32 classificer, from Al Viro.
4) Userspace netlink ABI fixes from Eugene Syromiatnikov.
5) Don't double iounmap on rmmod in ena driver, from Arthur
Kiyanovski.
6) Fix devlink string attribute handling, we must pull a copy into a
kernel buffer if the lifetime extends past the netlink request.
From Moshe Shemesh.
7) Fix hangs in RDS, from Ka-Cheong Poon.
8) Fix recursive locking lockdep warnings in tipc, from Ying Xue.
9) Clear RX irq correctly in socionext, from Ilias Apalodimas.
10) bcm_sf2 fixes from Florian Fainelli."
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (38 commits)
net: dsa: bcm_sf2: Call setup during switch resume
net: dsa: bcm_sf2: Fix unbind ordering
net: phy: sfp: remove sfp_mutex's definition
r8169: set RX_MULTI_EN bit in RxConfig for 8168F-family chips
net: socionext: clear rx irq correctly
net/mlx4_core: Fix warnings during boot on driverinit param set failures
tipc: eliminate possible recursive locking detected by LOCKDEP
selftests: udpgso_bench.sh explicitly requires bash
selftests: rtnetlink.sh explicitly requires bash.
qmi_wwan: Added support for Gemalto's Cinterion ALASxx WWAN interface
tipc: queue socket protocol error messages into socket receive buffer
tipc: set link tolerance correctly in broadcast link
net: ipv4: don't let PMTU updates increase route MTU
net: ipv4: update fnhe_pmtu when first hop's MTU changes
net/ipv6: stop leaking percpu memory in fib6 info
rds: RDS (tcp) hangs on sendto() to unresponding address
net: make skb_partial_csum_set() more robust against overflows
devlink: Add helper function for safely copy string param
devlink: Fix param cmode driverinit for string type
devlink: Fix param set handling for string type
...
Florian Fainelli says:
====================
net: dsa: bcm_sf2: Couple of fixes
Here are two fixes for the bcm_sf2 driver that were found during
testing unbind and analysing another issue during system
suspend/resume.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
There is no reason to open code what the switch setup function does, in
fact, because we just issued a switch reset, we would make all the
register get their default values, including for instance, having unused
port be enabled again and wasting power and leading to an inappropriate
switch core clock being selected.
Fixes: 8cfa94984c ("net: dsa: bcm_sf2: add suspend/resume callbacks")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The order in which we release resources is unfortunately leading to bus
errors while dismantling the port. This is because we set
priv->wol_ports_mask to 0 to tell bcm_sf2_sw_suspend() that it is now
permissible to clock gate the switch. Later on, when dsa_slave_destroy()
comes in from dsa_unregister_switch() and calls
dsa_switch_ops::port_disable, we perform the same dismantling again, and
this time we hit registers that are clock gated.
Make sure that dsa_unregister_switch() is the first thing that happens,
which takes care of releasing all user visible resources, then proceed
with clock gating hardware. We still need to set priv->wol_ports_mask to
0 to make sure that an enabled port properly gets disabled in case it
was previously used as part of Wake-on-LAN.
Fixes: d9338023fb ("net: dsa: bcm_sf2: Make it a real platform device driver")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Enabling both CONFIG_LD_DEAD_CODE_DATA_ELIMINATION=y and
CONFIG_GCOV_PROFILE_ALL=y results in linker warnings:
warning: orphan section `.data..LPBX1' being placed in
section `.data..LPBX1'.
LD_DEAD_CODE_DATA_ELIMINATION adds compiler flag -fdata-sections. This
option causes GCC to create separate data sections for data objects,
including those generated by GCC internally for gcov profiling. The
names of these objects start with a dot (.LPBX0, .LPBX1), resulting in
section names starting with 'data..'.
As section names starting with 'data..' are used for specific purposes
in the Linux kernel, the linker script does not automatically include
them in the output data section, resulting in the "orphan section"
linker warnings.
Fix this by specifically including sections named "data..LPBX*" in the
data section.
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Tested-by: Stephen Rothwell <sfr@canb.auug.org.au>
Tested-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Peter Oberparleiter <oberpar@linux.ibm.com>
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
