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Prevents race conditions when un-aggregated frames are pending in the
driver.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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If request_firmware_nowait() fails in p54u_load_firmware(),
p54u_load_firmware_cb is not called and no one decrements usb_dev refcnt.
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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When .release_buffered_frames was implemented, only A-MPDU packets were
buffered internally. Now that this has changed, the BUF_AMPDU flag needs
to be checked before calling ath_tx_addto_baw
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The commit "ath9k: Optimize LNA check" tried
to use the "rs_firstaggr" flag to optimize the LNA
combining algorithm when processing subframes in
an A-MPDU. This doesn't appear to work well in practice,
so revert it and use the old method of relying on
"rs_moreaggr".
Cc: stable@vger.kernel.org # 3.11
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This might trip up tx completion processing, although the condition that
triggers this should not (yet) occur in practice.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Fixes a regression from commit
"ath9k: shrink a few data structures by reordering fields"
When cloning a buffer, the stale flag (part of bf_state now) needs to be
reset after copying the state to prevent tx processing hangs.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The patch "mac80211: select and adjust bitrates according to
channel mode" causes regression and breaks the extended supported rate
IE setting. Since "i" is starting with 8, so this is not necessary
to introduce "skip" here.
Signed-off-by: Chun-Yeow Yeoh <yeohchunyeow@cozybit.com>
Signed-off-by: Colleen Twitty <colleen@cozybit.com>
Reviewed-by: Jason Abele <jason@cozybit.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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If an Ad-Hoc node receives packets with the Cell ID or its own MAC
address as source address, it hits a WARN_ON in sta_info_insert_check()
With many packets, this can massively spam the logs. One way that this
can easily happen is through having Cisco APs in the area with rouge AP
detection and countermeasures enabled.
Such Cisco APs will regularly send fake beacons, disassoc and deauth
packets that trigger these warnings.
To fix this issue, drop such spoofed packets early in the rx path.
Cc: stable@vger.kernel.org
Reported-by: Thomas Huehn <thomas@net.t-labs.tu-berlin.de>
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth
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Currently we always use the first member of the arp_queue to determine
the sender ip address of the arp packet (or in case of IPv6 - source
address of the ndisc packet). This skb is fixed as long as the queue is
not drained by a complete purge because of a timeout or by a successful
response.
If the first packet enqueued on the arp_queue is from a local application
with a manually set source address and the to be discovered system
does some kind of uRPF checks on the source address in the arp packet
the resolving process hangs until a timeout and restarts. This hurts
communication with the participating network node.
This could be mitigated a bit if we use the latest enqueued skb's
source address for the resolving process, which is not as static as
the arp_queue's head. This change of the source address could result in
better recovery of a failed solicitation.
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Julian Anastasov <ja@ssi.bg>
Reviewed-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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More extern removals from Joe Perches.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix kernel warning when using WEXT for configuring ad-hoc mode,
e.g. "iwconfig wlan0 essid test channel 1"
WARNING: at net/wireless/chan.c:373 cfg80211_chandef_usable+0x50/0x21c [cfg80211]()
The warning is caused by an uninitialized variable center_freq1.
Cc: stable@vger.kernel.org
Signed-off-by: Bruno Randolf <br1@einfach.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Commit f5ea1100 cleans up the disk to host conversions for
node directory entries, but because a variable is reused in
xfs_node_toosmall() the next node is not correctly found.
If the original node is small enough (<= 3/8 of the node size),
this change may incorrectly cause a node collapse when it should
not. That will cause an assert in xfstest generic/319:
Assertion failed: first <= last && last < BBTOB(bp->b_length),
file: /root/newest/xfs/fs/xfs/xfs_trans_buf.c, line: 569
Keep the original node header to get the correct forward node.
(When a node is considered for a merge with a sibling, it overwrites the
sibling pointers of the original incore nodehdr with the sibling's
pointers. This leads to loop considering the original node as a merge
candidate with itself in the second pass, and so it incorrectly
determines a merge should occur.)
Signed-off-by: Mark Tinguely <tinguely@sgi.com>
Reviewed-by: Ben Myers <bpm@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
[v3: added Dave Chinner's (slightly modified) suggestion to the commit header,
cleaned up whitespace. -bpm]
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This starves FW RX ring buffer in case of
excessive RX. This prevents from CPU being
overwhelmed by RX indications/completions by
naturally forbiddin FW to submit more RX.
This fixes RX starvation on slow machines when
under heavy RX traffic.
kvalo: remove extra newline
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Determine if we've created a new file by examining the directory change
attribute and/or the O_EXCL flag.
This fixes a regression when doing a non-exclusive create of a new file.
If the FILE_CREATED flag is not set, the atomic_open() command will
perform full file access permissions checks instead of just checking
for MAY_OPEN.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Add missing break into the restore function.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
Cc: Shawn Guo <shawn.guo@linaro.org>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Signed-off-by: Mathias Kretschmer <mathias.kretschmer@fokus.fraunhofer.de>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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IBSS members may not immediately be able to send out their beacon when
performing CSA, therefore also send a CSA action frame.
Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Signed-off-by: Mathias Kretschmer <mathias.kretschmer@fokus.fraunhofer.de>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This function adds the channel switch announcement implementation for the
IBSS code. It is triggered by userspace (mac80211/cfg) or by external
channel switch announcement, which have to be adopted. Both CSAs in
beacons and action frames are supported. As for AP mode, the channel
switch is applied after some time. However in IBSS mode, the channel
switch IEs are generated in the kernel.
Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Signed-off-by: Mathias Kretschmer <mathias.kretschmer@fokus.fraunhofer.de>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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IBSS CSA will require to disconnect if a channel switch fails, but
mac80211 should search and re-connect after this disconnect. To allow
such usage, split off the ibss disconnect process in a separate function
which only performs the disconnect without overwriting nl80211-supplied
parameters.
Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Signed-off-by: Mathias Kretschmer <mathias.kretschmer@fokus.fraunhofer.de>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The channel switch parsing function can be re-used for the IBSS code,
put the common part into an extra function.
Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Signed-off-by: Mathias Kretschmer <mathias.kretschmer@fokus.fraunhofer.de>
[also move/rename chandef_downgrade]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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It will be used later by the IBSS CSA implementation of mac80211.
Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Signed-off-by: Mathias Kretschmer <mathias.kretschmer@fokus.fraunhofer.de>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Do not override max_tp_rate, max_tp_rate2 and max_prob_rate configured
according to fixed_rate in minstrel_ht_update_stats throughput computation
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
Acked-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Add the capability to use a fixed modulation rate to minstrel rate controller
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
Acked-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Since when we detect beacon lost we do active AP probing (using nullfunc
frame or probe request) there is no need to have beacon polling. Flags
IEEE80211_STA_BEACON_POLL seems to be used just for historical reasons.
Change also make that after we start connection poll due to beacon loss,
next received beacon will abort the poll.
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Use MONITOR_FLAG_ACTIVE, which is a flag mask, instead of
NL80211_MNTR_FLAG_ACTIVE, which is a flag index, when checking if the
hardware supports active monitoring.
Cc: stable@vger.kernel.org
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Remove superfluous call and use locally stored previous result.
Signed-off-by: Sergey Ryazanov <ryazanov.s.a@gmail.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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No need for ERR_PTR(PTR_ERR()) since there's ERR_CAST, use it.
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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If it is needed to disconnect multiple virtual interfaces after
(WoWLAN-) suspend, the most obvious approach would be to iterate
all interfaces by calling ieee80211_iterate_active_interfaces()
and then call ieee80211_resume_disconnect() for each one. This
is what the iwlmvm driver does.
Unfortunately, this causes a locking dependency from mac80211's
iflist_mtx to the key_mtx. This is problematic as the former is
intentionally never held while calling any driver operation to
allow drivers to iterate with their own locks held. The key_mtx
is held while installing a key into the driver though, so this
new lock dependency means drivers implementing the logic above
can no longer hold their own lock while iterating.
To fix this, add a new ieee80211_iterate_active_interfaces_rtnl()
function that iterates while the RTNL is already held. This is
true during suspend/resume, so that then the locking dependency
isn't introduced.
While at it, also refactor the various interface iterators and
keep only a single implementation called by the various cases.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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After reports from Chris and Josh Boyer of a rare crash in applesmc,
Guenter pointed at the initialization problem fixed below. The patch
has not been verified to fix the crash, but should be applied
regardless.
Reported-by: <jwboyer@fedoraproject.org>
Suggested-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Cc: stable@vger.kernel.org
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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of_get_display_timing(s) use of_find_node_by_name
to get child node, this is incorrect, of_get_child_by_name
should be used instead. The patch fixes it.
Small typo is also corrected.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Fix to return a negative error code from the error handling
case instead of 0, as done elsewhere in this function.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Fix to return -EINVAL when virtual vertical size smaller than real
instead of 0, as done elsewhere in this function. Also remove dup code.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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The nice thing about devm_* is that the driver doesn't need to free the
resources but the driver core takes care about that. This also
simplifies the error path quite a bit and removes the wrong check for a
clock pointer being NULL.
Russell King - ARM Linux <linux@arm.linux.org.uk>:
"And this patch also fixes the above: disabling/unpreparing _after_ putting
the thing - which was quite silly... :)"
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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The DSI-CM driver uses the backlight class so needs to build depend on it.
Signed-off-by: Mark Brown <broonie@linaro.org>
Reviewed-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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BIOS can mark a pin as "no physical connection" if the port is used by an
integrated display which is not audio capable. And audio driver will overlook
such pins.
On Haswell, such a disconneted pin will keep muted and connected to the 1st
converter by default. But if the 1st convertor is assigned to a connected pin
for audio streaming. The muted disconnected pin can make the connected pin
no sound output.
So this patch avoids using assigned converters for all unused pins for Haswell,
including the disconected pins.
Signed-off-by: Mengdong Lin <mengdong.lin@intel.com>
Reviewed-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Currently we assume that userspace will shut down the compressed stream
correctly. However, if userspcae dies (e.g. cplay & ctrl-C) we dont
stop the stream before freeing it.
This now checks that the stream is stopped before freeing.
Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Ethernet-like decapping mode leaves IP protocol
frame not aligned to 4-byte boundaries. This leads
to re-aligning in mac80211 which in turn leads to
poor CPU cache behaviour on some machines.
Since HW doesn't allow to change payload offset
properly the solution is to force HW to decap in
Native Wifi mode which always has 24-bytes long
802.11 header (even for QoS frames). This means IP
frame is properly aligned in this decap mode.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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NWifi decap mode always reports 802.11 Data
Frames, even when QoS Data Frames are actually
received.
This made mac80211 not report frame priority
properly (since there was no QoS Control field).
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Simplify decapping code and make it easier to
understand.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Clarify how each decap mode works in one place.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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HW reports each A-MSDU subframe as a separate
sk_buff. It is impossible to configure it to
behave differently.
Until now ath10k was reconstructing A-MSDUs from
subframes which involved a lot of memory
operations. This proved to be a significant
contributor to degraded RX performance.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Commit 'e7f3880cd9b98c5bf9391ae7acdec82b75403776'
tty: Fix recursive deadlock in tty_perform_flush()
introduced a regression where tcflush() does not generate
SIGTTOU for background process groups.
Make sure ioctl(TCFLSH) calls tty_check_change() when
invoked from the line discipline.
Cc: stable@vger.kernel.org # v3.10+
Reported-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Update the STI driver by setting cpu_possible_mask to make EMEV2
SMP work as expected together with the ARM broadcast timer.
This breakage was introduced by:
f7db706 ARM: 7674/1: smp: Avoid dummy clockevent being preferred over real hardware clock-event
Without this fix SMP operation is broken on EMEV2 since no
broadcast timer interrupts trigger on the secondary CPU cores.
Signed-off-by: Magnus Damm <damm@opensource.se>
Tested-by: Simon Horman <horms+renesas@verge.net.au>
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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direction bit
Trying to read data from the Pegasus Technologies NoteTaker (0e20:0101)
[1] with the Windows App (EasyNote) works natively but fails when
Windows is running under KVM (and the USB device handed to KVM).
The reason is a USB control message
usb 4-2.2: control urb: bRequestType=22 bRequest=09 wValue=0200 wIndex=0001 wLength=0008
This goes to endpoint address 0x01 (wIndex); however, endpoint address
0x01 does not exist. There is an endpoint 0x81 though (same number,
but other direction); the app may have meant that endpoint instead.
The kernel thus rejects the IO and thus we see the failure.
Apparently, Linux is more strict here than Windows ... we can't change
the Win app easily, so that's a problem.
It seems that the Win app/driver is buggy here and the driver does not
behave fully according to the USB HID class spec that it claims to
belong to. The device seems to happily deal with that though (and
seems to not really care about this value much).
So the question is whether the Linux kernel should filter here.
Rejecting has the risk that somewhat non-compliant userspace apps/
drivers (most likely in a virtual machine) are prevented from working.
Not rejecting has the risk of confusing an overly sensitive device with
such a transfer. Given the fact that Windows does not filter it makes
this risk rather small though.
The patch makes the kernel more tolerant: If the endpoint address in
wIndex does not exist, but an endpoint with toggled direction bit does,
it will let the transfer through. (It does NOT change the message.)
With attached patch, the app in Windows in KVM works.
usb 4-2.2: check_ctrlrecip: process 13073 (qemu-kvm) requesting ep 01 but needs 81
I suspect this will mostly affect apps in virtual environments; as on
Linux the apps would have been adapted to the stricter handling of the
kernel. I have done that for mine[2].
[1] http://www.pegatech.com/
[2] https://sourceforge.net/projects/notetakerpen/
Signed-off-by: Kurt Garloff <kurt@garloff.de>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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If NO_DMA=y:
drivers/built-in.o: In function `dma_set_coherent_mask':
include/linux/dma-mapping.h:93: undefined reference to `dma_supported'
Reviewed-and-tested-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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There is a pending TD which is not freed after request finishes,
we do this due to a controller bug. This TD needs to be freed when
the driver is removed. It prints below error message when unload
chipidea driver at current code:
"ci_hdrc ci_hdrc.0: dma_pool_destroy ci_hw_td, b0001000 busy"
It indicates the buffer at dma pool are still in use.
This commit will free the pending TD at driver's removal procedure,
it can fix the problem described above.
Acked-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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If not, the PHY will be active even the controller is not in use.
We find this issue due to the PHY's clock refcount is not correct
due to -EPROBE_DEFER return after phy's init.
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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It needs to free ci->hw_bank.regmap explicitly since it is not managed
resource.
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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When we rmmod gadget, the ci->driver needs to be cleared.
Otherwise, when we plug in usb cable again, the driver will
consider gadget is there, and go to enumeration procedure,
but in fact, it was removed.
ci_hdrc ci_hdrc.0: Connected to host
Unable to handle kernel paging request at virtual address 7f02a42c
pgd = 80004000
[7f02a42c] *pgd=3f13d811, *pte=00000000, *ppte=00000000
Internal error: Oops: 7 [#1] SMP ARM
Modules linked in: usb_f_acm u_serial libcomposite configfs [last unloaded: g_serial]
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 3.10.0+ #42
task: 807dba88 ti: 807d0000 task.ti: 807d0000
PC is at udc_irq+0x8fc/0xea4
LR is at l2x0_cache_sync+0x5c/0x6c
pc : [<803de7f4>] lr : [<8001d0f0>] psr: 20000193
sp : 807d1d98 ip : 807d1d80 fp : 807d1df4
r10: af809900 r9 : 808184d4 r8 : 00080001
r7 : 00082001 r6 : afb711f8 r5 : afb71010 r4 : ffffffea
r3 : 7f02a41c r2 : afb71010 r1 : 807d1dc0 r0 : afb71068
Flags: nzCv IRQs off FIQs on Mode SVC_32 ISA ARM Segment kernel
Control: 10c53c7d Table: 3f01804a DAC: 00000017
Process swapper/0 (pid: 0, stack limit = 0x807d0238)
Stack: (0x807d1d98 to 0x807d2000)
1d80: 00000000 afb71014
1da0: 000040f6 00000000 00000001 00000000 00007530 00000000 afb71010 001dcd65
1dc0: 01000680 00400000 807d1e2c afb71010 0000004e 00000000 00000000 0000004b
1de0: 808184d4 af809900 807d1e0c 807d1df8 803dbc24 803ddf04 afba75c0 0000004e
1e00: 807d1e44 807d1e10 8007a19c 803dbb9c 8108e7e0 8108e7e0 9ceddce0 af809900
1e20: 0000004e 807d0000 0000004b 00000000 00000010 00000000 807d1e5c 807d1e48
1e40: 8007a334 8007a154 af809900 0000004e 807d1e74 807d1e60 8007d3b4 8007a2f0
1e60: 0000004b 807cce3c 807d1e8c 807d1e78 80079b08 8007d300 00000180 807d8ba0
1e80: 807d1eb4 807d1e90 8000eef4 80079aec 00000000 f400010c 807d8ce4 807d1ed8
1ea0: f4000100 96d5c75d 807d1ed4 807d1eb8 80008600 8000eeac 8042699c 60000013
1ec0: ffffffff 807d1f0c 807d1f54 807d1ed8 8000e180 800085dc 807d1f20 00000046
1ee0: 9cedd275 00000010 8108f080 807de294 00000001 807de248 96d5c75d 00000010
1f00: 00000000 807d1f54 00000000 807d1f20 8005ff54 8042699c 60000013 ffffffff
1f20: 9cedd275 00000010 00000005 8108f080 8108f080 00000001 807de248 8086bd00
1f40: 807d0000 00000001 807d1f7c 807d1f58 80426af0 80426950 807d0000 00000000
1f60: 808184c0 808184c0 807d8954 805b886c 807d1f8c 807d1f80 8000f294 80426a44
1f80: 807d1fac 807d1f90 8005f110 8000f288 807d1fac 807d8908 805b4748 807dc86c
1fa0: 807d1fbc 807d1fb0 805aa58c 8005f068 807d1ff4 807d1fc0 8077c860 805aa530
1fc0: ffffffff ffffffff 8077c330 00000000 00000000 807bef88 00000000 10c53c7d
1fe0: 807d88d0 807bef84 00000000 807d1ff8 10008074 8077c594 00000000 00000000
Backtrace:
[<803ddef8>] (udc_irq+0x0/0xea4) from [<803dbc24>] (ci_irq+0x94/0x14c)
[<803dbb90>] (ci_irq+0x0/0x14c) from [<8007a19c>] (handle_irq_event_percpu+0x54/0x19c)
r5:0000004e r4:afba75c0
[<8007a148>] (handle_irq_event_percpu+0x0/0x19c) from [<8007a334>] (handle_irq_event+0x50/0x70)
[<8007a2e4>] (handle_irq_event+0x0/0x70) from [<8007d3b4>] (handle_fasteoi_irq+0xc0/0x16c)
r5:0000004e r4:af809900
[<8007d2f4>] (handle_fasteoi_irq+0x0/0x16c) from [<80079b08>] (generic_handle_irq+0x28/0x38)
r5:807cce3c r4:0000004b
[<80079ae0>] (generic_handle_irq+0x0/0x38) from [<8000eef4>] (handle_IRQ+0x54/0xb4)
r4:807d8ba0 r3:00000180
[<8000eea0>] (handle_IRQ+0x0/0xb4) from [<80008600>] (gic_handle_irq+0x30/0x64)
r8:96d5c75d r7:f4000100 r6:807d1ed8 r5:807d8ce4 r4:f400010c
r3:00000000
[<800085d0>] (gic_handle_irq+0x0/0x64) from [<8000e180>] (__irq_svc+0x40/0x54)
Exception stack(0x807d1ed8 to 0x807d1f20)
1ec0: 807d1f20 00000046
1ee0: 9cedd275 00000010 8108f080 807de294 00000001 807de248 96d5c75d 00000010
1f00: 00000000 807d1f54 00000000 807d1f20 8005ff54 8042699c 60000013 ffffffff
r7:807d1f0c r6:ffffffff r5:60000013 r4:8042699c
[<80426944>] (cpuidle_enter_state+0x0/0xf4) from [<80426af0>] (cpuidle_idle_call+0xb8/0x174)
r9:00000001 r8:807d0000 r7:8086bd00 r6:807de248 r5:00000001
r4:8108f080
[<80426a38>] (cpuidle_idle_call+0x0/0x174) from [<8000f294>] (arch_cpu_idle+0x18/0x5c)
[<8000f27c>] (arch_cpu_idle+0x0/0x5c) from [<8005f110>] (cpu_startup_entry+0xb4/0x148)
[<8005f05c>] (cpu_startup_entry+0x0/0x148) from [<805aa58c>] (rest_init+0x68/0x80)
r7:807dc86c
[<805aa524>] (rest_init+0x0/0x80) from [<8077c860>] (start_kernel+0x2d8/0x334)
[<8077c588>] (start_kernel+0x0/0x334) from [<10008074>] (0x10008074)
Code: e59031e0 e51b203c e24b1034 e2820058 (e5933010)
---[ end trace f874b2c5533c04bc ]---
Kernel panic - not syncing: Fatal exception in interrupt
Tested-by: Marek Vasut <marex@denx.de>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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