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Detach the device that is about to be removed from its
domain (if it has one) to clear any related state like DTE
entry and device's ATS state.
Reported-by: Kelly Zytaruk <Kelly.Zytaruk@amd.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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The AMD Family 15h Models 30h-3Fh (Kaveri) BIOS and Kernel Developer's
Guide omitted part of the BIOS IOMMU L2 register setup specification.
Without this setup the IOMMU L2 does not fully respect write permissions
when handling an ATS translation request.
The IOMMU L2 will set PTE dirty bit when handling an ATS translation with
write permission request, even when PTE RW bit is clear. This may occur by
direct translation (which would cause a PPR) or by prefetch request from
the ATC.
This is observed in practice when the IOMMU L2 modifies a PTE which maps a
pagecache page. The ext4 filesystem driver BUGs when asked to writeback
these (non-modified) pages.
Enable ATS write permission check in the Kaveri IOMMU L2 if BIOS has not.
Signed-off-by: Jay Cornwall <jay@jcornwall.me>
Cc: <stable@vger.kernel.org> # v3.19+
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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The setup code for the performance counters in the AMD IOMMU driver
tests whether the counters can be written. It tests to setup a counter
for device 00:00.0, which fails on systems where this particular device
is not covered by the IOMMU.
Fix this by not relying on device 00:00.0 but only on the IOMMU being
present.
Cc: stable@vger.kernel.org
Signed-off-by: Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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Pull minor virtio/vhost fixes from Michael Tsirkin:
"This fixes two minor bugs: error handling in vhost, and capability
processing in virtio"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
vhost: fix error path in vhost_init_used()
virtio-pci: read the right virtio_pci_notify_cap field
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We don't want side effects. If something fails, we rollback vq->is_le to
its previous value.
Signed-off-by: Greg Kurz <gkurz@linux.vnet.ibm.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Looks like a copy-paste bug. The value is used as an optimization and a
wrong value probably isn't causing any serious damage. Found when
porting this code to Windows.
Signed-off-by: Ladi Prosek <lprosek@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Pull VFIO fix from Alex Williamson:
"Use -EFAULT for copy_to_user error in ioctl (Michael Tsirkin)"
* tag 'vfio-v4.5-rc7' of git://github.com/awilliam/linux-vfio:
vfio: fix ioctl error handling
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Calling return copy_to_user(...) in an ioctl will not
do the right thing if there's a pagefault:
copy_to_user returns the number of bytes not copied
in this case.
Fix up vfio to do
return copy_to_user(...)) ?
-EFAULT : 0;
everywhere.
Cc: stable@vger.kernel.org
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux
Pull fbdev fix from Tomi Valkeinen:
"Fix hang caused by fbconsole blink timer"
* tag 'fbdev-fixes-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux:
fbcon: set a default value to blink interval
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Since commit 27a4c827c34ac4256a190cc9d24607f953c1c459
fbcon: use the cursor blink interval provided by vt
two attempts have been made at fixing a possible hang caused by
cursor_timer_handler. That function registers a timer to be triggered at
"jiffies + fbcon_ops.cur_blink_jiffies".
A new case had been encountered during initialisation of clcd-pl11x:
fbcon_fb_registered
do_fbcon_takeover
-> do_register_con_driver
fbcon_startup
(A) add_cursor_timer (with cur_blink_jiffies = 0)
-> do_bind_con_driver
visual_init
fbcon_init
(B) cur_blink_jiffies = msecs_to_jiffies(vc->vc_cur_blink_ms);
If we take an softirq anywhere between A and B (and we do),
cursor_timer_handler executes indefinitely.
Instead of patching all possible paths that lead to this case one at a
time, fix the issue at the source and initialise cur_blink_jiffies to
200ms when allocating fbcon_ops. This was its default value before
aforesaid commit. fbcon_cursor or fbcon_init will refine this value
downstream.
Signed-off-by: Jean-Philippe Brucker <jean-philippe.brucker@arm.com>
Cc: <stable@vger.kernel.org> # v4.2
Tested-by: Scot Doyle <lkml14@scotdoyle.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Pull sparc fixes from David Miller:
1) System call tracing doesn't handle register contents properly across
the trace. From Mike Frysinger.
2) Hook up copy_file_range
3) Build fix for 32-bit with newer tools.
4) New sun4v watchdog driver, from Wim Coekaerts.
5) Set context system call has to allow for servicable faults when we
flush the register windows to memory
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
sparc64: Fix sparc64_set_context stack handling.
sparc32: Add -Wa,-Av8 to KBUILD_CFLAGS.
Add sun4v_wdt watchdog driver
sparc: Fix system call tracing register handling.
sparc: Hook up copy_file_range syscall.
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This driver adds sparc hypervisor watchdog support. The default
timeout is 60 seconds and the range is between 1 and
31536000 seconds. Both watchdog-resolution and
watchdog-max-timeout MD properties settings are supported.
Signed-off-by: Wim Coekaerts <wim.coekaerts@oracle.com>
Reviewed-by: Julian Calaby <julian.calaby@gmail.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fixes from Thomas Gleixner:
"Four small fixes for irqchip drivers:
- Add missing low level irq handler initialization on mxs, so
interrupts can acutally be delivered
- Add a missing barrier to the GIC driver
- Two fixes for the GIC-V3-ITS driver, addressing a double EOI write
and a cache flush beyond the actual region"
* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip/gic-v3: Add missing barrier to 32bit version of gic_read_iar()
irqchip/mxs: Add missing set_handle_irq()
irqchip/gicv3-its: Avoid cache flush beyond ITS_BASERn memory size
irqchip/gic-v3-its: Fix double ICC_EOIR write for LPI in EOImode==1
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Function its_alloc_tables() maintains two local variables, "order" and
and "alloc_size", to hold memory size that has been allocated to
ITS_BASEn. We don't always refresh the variable alloc_size whenever
value of the variable order changes, causing the following two
problems.
- Cache flush operation with size more than required.
- Information reported by pr_info is not correct.
Use a helper macro that converts page order to size in bytes instead of
variable "alloc_size" to fix both the problems.
Signed-off-by: Shanker Donthineni <shankerd@codeaurora.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
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When the GIC is using EOImode==1, the EOI is done immediately,
leaving the deactivation to be performed when the EOI was
previously done.
Unfortunately, the ITS is not aware of the EOImode at all, and
blindly EOIs the interrupt again. On most systems, this is ignored
(despite being a programming error), but some others do raise a
SError exception as there is no priority drop to perform for this
interrupt.
The fix is to stop trying to be clever, and always call into the
underlying GIC to perform the right access, irrespective of the
more we're in.
[Marc: Reworked commit message]
Fixes: 0b996fd35957a ("irqchip/GICv3: Convert to EOImode == 1")
Cc: stable@vger.kernel.org
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Ashok Kumar <ashoks@broadcom.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging/android fix from Greg KH:
"Here is one patch, for the android binder driver, to resolve a
reported problem. Turns out it has been around for a while (since
3.15), so it is good to finally get it resolved.
It has been in linux-next for a while with no reported issues"
* tag 'staging-4.5-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
drivers: android: correct the size of struct binder_uintptr_t for BC_DEAD_BINDER_DONE
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BC_DEAD_BINDER_DONE
There's one point was missed in the patch commit da49889deb34 ("staging:
binder: Support concurrent 32 bit and 64 bit processes."). When configure
BINDER_IPC_32BIT, the size of binder_uintptr_t was 32bits, but size of
void * is 64bit on 64bit system. Correct it here.
Signed-off-by: Lisa Du <cldu@marvell.com>
Signed-off-by: Nicolas Boichat <drinkcat@chromium.org>
Fixes: da49889deb34 ("staging: binder: Support concurrent 32 bit and 64 bit processes.")
Cc: <stable@vger.kernel.org>
Acked-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are a few USB fixes for 4.5-rc6
They fix a reported bug for some USB 3 devices by reverting the recent
patch, a MAINTAINERS change for some drivers, some new device ids, and
of course, the usual bunch of USB gadget driver fixes.
All have been in linux-next for a while with no reported issues"
* tag 'usb-4.5-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
MAINTAINERS: drop OMAP USB and MUSB maintainership
usb: musb: fix DMA for host mode
usb: phy: msm: Trigger USB state detection work in DRD mode
usb: gadget: net2280: fix endpoint max packet for super speed connections
usb: gadget: gadgetfs: unregister gadget only if it got successfully registered
usb: gadget: remove driver from pending list on probe error
Revert "usb: hub: do not clear BOS field during reset device"
usb: chipidea: fix return value check in ci_hdrc_pci_probe()
usb: chipidea: error on overflow for port_test_write
USB: option: add "4G LTE usb-modem U901"
USB: cp210x: add IDs for GE B650V3 and B850V3 boards
USB: option: add support for SIM7100E
usb: musb: Fix DMA desired mode for Mentor DMA engine
usb: gadget: fsl_qe_udc: fix IS_ERR_VALUE usage
usb: dwc2: USB_DWC2 should depend on HAS_DMA
usb: dwc2: host: fix the data toggle error in full speed descriptor dma
usb: dwc2: host: fix logical omissions in dwc2_process_non_isoc_desc
usb: dwc3: Fix assignment of EP transfer resources
usb: dwc2: Add extra delay when forcing dr_mode
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http://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-linus
Felipe writes:
usb: fixes for v4.5-rc6
The most important fixes here are:
a) yet another fix to dwc3's EP transfer resource
assignment logic. This time around we will be
pre-allocating transfer resources to avoid any
future issues;
b) two DMA fixes for the old MUSB driver.
c) dwc2's data toggle fix for FS
Other than these, we have a few other minor fixes
elsewhere.
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Commit ac33cdb16681 ("usb: musb: Remove ifdefs for musb_host_rx in
musb_host.c part5") introduces a problem setting DMA host mode.
The musb_advance_schedule() is called immediately after receiving an
endpoint RX interrupt without waiting for the DMA transfer to complete.
As a consequence when the dma complete interrupt arrives the in_qh
member of hw_ep is already null an the musb_host_rx() exits on !urb
error case. Fix the done condition that advances the musb schedule.
Signed-off-by: Cristian Birsan <cristian.birsan@microchip.com>
Signed-off-by: Joshua Henderson <joshua.henderson@microchip.com>
Tested-by: Ladislav Michl <ladis@linux-mips.org>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
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When working in Dual Role Device mode, USB state machine is not kicked,
when host or gadget drivers are loaded. Fix this be explicitly triggering
state detection on client driver load.
Issue is that if the board is booted without micro usb cable and usb
device attached, kernel fails to populate the usb host and device.
The reason for this is that the state machine worker logic only checks
for USB_DR_MODE_PERIPHERAL and USB_DR_MODE_HOST modes to run worker
thread. However if the phy is configured in OTG mode it would fail
to run the state machine, resulting in failure to detect for very
first time.
This patch fixes the issue by removing the explicit checks.
Issue is noticed on Qualcomm Dragon board DB410C.
[srinivas.kandagatla@linaro.org: Added more details to log]
Signed-off-by: Ivan T. Ivanov <ivan.ivanov@linaro.org>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
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This patch fixes the register offset used for super-speed connection's
max packet size. Without it using the 338x series of devices in enhanced
mode will only allow full or high speed operation to function correctly.
Signed-off-by: Simon Appleby <simon.appleby@pickeringtest.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
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Gadgetfs driver called usb_gadget_unregister_driver unconditionally, even
if it didn't register it earlier due to other failures. This patch fixes
this.
Reported-by: Vegard Nossum <vegard.nossum@oracle.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Tested-by: Vegard Nossum <vegard.nossum@oracle.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
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Retry gadget probe only if the probe result is -EPROBE_DEFER, not on
every probe error.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
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Commit 754fe4a92c07 ("usb: musb: Remove ifdefs for TX DMA for musb_host.c")
introduces a problem setting the desired channel mode for the Mentor DMA
engine.
There is a case where an address is incorrectly assigned to the DMA
channel desired mode when it should instead be assigned the actual mode
value. This results in the value of channel->desired_mode not being
correct.
Acked-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Cristian Birsan <cristian.birsan@microchip.com>
Signed-off-by: Joshua Henderson <joshua.henderson@microchip.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
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IS_ERR_VALUE macro should be used only with unsigned long type.
Otherwise it can work incorrectly.
The patch follows conclusion from discussion on LKML [1][2].
[1]: http://permalink.gmane.org/gmane.linux.kernel/2120927
[2]: http://permalink.gmane.org/gmane.linux.kernel/2150581
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
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If NO_DMA=y:
ERROR: "usb_gadget_map_request" [drivers/usb/dwc2/dwc2.ko] undefined!
ERROR: "usb_gadget_unmap_request" [drivers/usb/dwc2/dwc2.ko] undefined!
ERROR: "bad_dma_ops" [drivers/usb/dwc2/dwc2.ko] undefined!
Add a dependency on HAS_DMA to fix this.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
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There will be data toggle error happen for full speed buld-out transfer.
The data toggle bit is saved in qh for non-control transfers, it is wrong
to check the qtd for that case.
Also fix one static analysis tool issue after fix the data toggle error.
John Youn:
* Added WARN() to warn on improper usage of the
dwc2_hcd_save_data_toggle() function.
Signed-off-by: Dyson Lee <dyson.lee@intel.com>
Signed-off-by: Tang, Jianqiang <jianqiang.tang@intel.com>
Signed-off-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
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Fixes memory manipulation issues and makes Host DDMA bulk transfers
work.
dwc2_process_non_isoc_desc() must return non zero value ONLY when
failure happens in one of the queued descriptors. After receiving
non zero value the caller must stop processing of remaining
QTDs and their descriptors from chain.
Commit 26a19ea699060fde ("usb: dwc2: host: fix use of qtd after
free in desc dma mode") breaks non_isoc transaction completion logic
in Host DDMA mode. There were bugs before that, but after this patch
dwc2_process_non_isoc_desc() returns fail status even if descriptor
was processed normally. This causes break from loop which is processing
remaining descriptors assigned to QTD, which is not correct for QTDs
containing more than one descriptor.
Current dwc2 driver gathers queued BULK URBs until receiving URB
without URB_NO_INTERRUPT flag. Once getting it, SW creates
descriptor chain, stores it in qh structure and passes start
address to HW. Multiple URB data is contained in that chain.
Hence on getting error on descriptor after its processing by HW,
SW should go out of both loops(qh->qtd, qtd->descs) and report
the failure.
Fixes: 26a19ea699060fde ("usb: dwc2: host: fix use of qtd after free in desc dma mode")
Cc: Gregory Herrero <gregory.herrero@intel.com>
Signed-off-by: Vardan Mikayelyan <mvardan@synopsys.com>
Signed-off-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
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The assignement of EP transfer resources was not handled properly in the
dwc3 driver. Commit aebda6187181 ("usb: dwc3: Reset the transfer
resource index on SET_INTERFACE") previously fixed one aspect of this
where resources may be exhausted with multiple calls to SET_INTERFACE.
However, it introduced an issue where composite devices with multiple
interfaces can be assigned the same transfer resources for different
endpoints. This patch solves both issues.
The assignment of transfer resources cannot perfectly follow the data
book due to the fact that the controller driver does not have all
knowledge of the configuration in advance. It is given this information
piecemeal by the composite gadget framework after every
SET_CONFIGURATION and SET_INTERFACE. Trying to follow the databook
programming model in this scenario can cause errors. For two reasons:
1) The databook says to do DEPSTARTCFG for every SET_CONFIGURATION and
SET_INTERFACE (8.1.5). This is incorrect in the scenario of multiple
interfaces.
2) The databook does not mention doing more DEPXFERCFG for new endpoint
on alt setting (8.1.6).
The following simplified method is used instead:
All hardware endpoints can be assigned a transfer resource and this
setting will stay persistent until either a core reset or hibernation.
So whenever we do a DEPSTARTCFG(0) we can go ahead and do DEPXFERCFG for
every hardware endpoint as well. We are guaranteed that there are as
many transfer resources as endpoints.
This patch triggers off of the calling dwc3_gadget_start_config() for
EP0-out, which always happens first, and which should only happen in one
of the above conditions.
Fixes: aebda6187181 ("usb: dwc3: Reset the transfer resource index on SET_INTERFACE")
Cc: <stable@vger.kernel.org> # v3.2+
Reported-by: Ravi Babu <ravibabu@ti.com>
Signed-off-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
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Fixes an issue found on rockchip rk3036 and rk3188 SOC platforms. For
some reason, the existing msleep(25) is not enough after the force mode.
The following patch was reported to fix the issue.
This does increase the probe delay again slightly, but not up to the
level it was before the original series of patches that this fixes. It
does not cause any other issues when tested on Synopsys HAPS and Altera
socfpga platforms.
Need to revisit this series next release to see if we can address these
issues without having an unconditional delay.
Fixes: 09c96980dc72 ("usb: dwc2: Add functions to set and clear force mode")
Reported-by: Caesar Wang <caesar.upstream@gmail.com>
Reported-by: Michael Niewoehner <linux@mniewoehner.de>
Tested-by: Heiko Stuebner <heiko@sntech.de>
Tested-by: Caesar Wang <caesar.upstream@gmail.com>
Signed-off-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
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This reverts commit d8f00cd685f5c8e0def8593e520a7fef12c22407.
Tony writes:
This upstream commit is causing an oops:
d8f00cd685f5 ("usb: hub: do not clear BOS field during reset device")
This patch has already been included in several -stable kernels. Here
are the affected kernels:
4.5.0-rc4 (current git)
4.4.2
4.3.6 (currently in review)
4.1.18
3.18.27
3.14.61
How to reproduce the problem:
Boot kernel with slub debugging enabled (otherwise memory corruption
will cause random oopses later instead of immediately)
Plug in USB 3.0 disk to xhci USB 3.0 port
dd if=/dev/sdc of=/dev/null bs=65536
(where /dev/sdc is the USB 3.0 disk)
Unplug USB cable while dd is still going
Oops is immediate:
Reported-by: Tony Battersby <tonyb@cybernetics.com>
Cc: Du, Changbin <changbin.du@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-linus
Johan writes:
USB-serial fixes for v4.5-rc5
Here are some new device ids.
Signed-off-by: Johan Hovold <johan@kernel.org>
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Thomas reports:
T: Bus=01 Lev=01 Prnt=01 Port=03 Cnt=01 Dev#= 4 Spd=480 MxCh= 0
D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=05c6 ProdID=6001 Rev=00.00
S: Manufacturer=USB Modem
S: Product=USB Modem
S: SerialNumber=1234567890ABCDEF
C: #Ifs= 5 Cfg#= 1 Atr=e0 MxPwr=500mA
I: If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=option
I: If#= 1 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=ff Driver=option
I: If#= 2 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=option
I: If#= 3 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=ff Driver=qmi_wwan
I: If#= 4 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=06 Prot=50 Driver=usb-storage
Cc: <stable@vger.kernel.org>
Reported-by: Thomas Schäfer <tschaefer@t-online.de>
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: Johan Hovold <johan@kernel.org>
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Add USB ID for cp2104/5 devices on GE B650v3 and B850v3 boards.
Signed-off-by: Ken Lin <ken.lin@advantech.com.tw>
Signed-off-by: Akshay Bhat <akshay.bhat@timesys.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
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$ lsusb:
Bus 001 Device 101: ID 1e0e:9001 Qualcomm / Option
$ usb-devices:
T: Bus=01 Lev=02 Prnt=02 Port=00 Cnt=01 Dev#=101 Spd=480 MxCh= 0
D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 2
P: Vendor=1e0e ProdID=9001 Rev= 2.32
S: Manufacturer=SimTech, Incorporated
S: Product=SimTech, Incorporated
S: SerialNumber=0123456789ABCDEF
C:* #Ifs= 7 Cfg#= 1 Atr=80 MxPwr=500mA
I:* If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=option
I:* If#= 1 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
I:* If#= 2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
I:* If#= 3 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
I:* If#= 4 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
I:* If#= 5 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=ff Driver=qmi_wwan
I:* If#= 6 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=42 Prot=01 Driver=(none)
The last interface (6) is used for Android Composite ADB interface.
Serial port layout:
0: QCDM/DIAG
1: NMEA
2: AT
3: AT/PPP
4: audio
Signed-off-by: Andrey Skvortsov <andrej.skvortzov@gmail.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
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In case of error, the function usb_phy_generic_register()
returns ERR_PTR() and never returns NULL. The NULL test in
the return value check should be replaced with IS_ERR().
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
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The write value is 8bit, but currently writing a larger number
(eg a doubled digit) is not errored but instead gets cast and
sets off an action probably undesired.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
(Change the style of commit log to fix checkpatch.pl warning)
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Merge fixes from Andrew Morton:
"10 fixes"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
dax: move writeback calls into the filesystems
dax: give DAX clearing code correct bdev
ext4: online defrag not supported with DAX
ext2, ext4: only set S_DAX for regular inodes
block: disable block device DAX by default
ocfs2: unlock inode if deleting inode from orphan fails
mm: ASLR: use get_random_long()
drivers: char: random: add get_random_long()
mm: numa: quickly fail allocations for NUMA balancing on full nodes
mm: thp: fix SMP race condition between THP page fault and MADV_DONTNEED
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Commit d07e22597d1d ("mm: mmap: add new /proc tunable for mmap_base
ASLR") added the ability to choose from a range of values to use for
entropy count in generating the random offset to the mmap_base address.
The maximum value on this range was set to 32 bits for 64-bit x86
systems, but this value could be increased further, requiring more than
the 32 bits of randomness provided by get_random_int(), as is already
possible for arm64. Add a new function: get_random_long() which more
naturally fits with the mmap usage of get_random_int() but operates
exactly the same as get_random_int().
Also, fix the shifting constant in mmap_rnd() to be an unsigned long so
that values greater than 31 bits generate an appropriate mask without
overflow. This is especially important on x86, as its shift instruction
uses a 5-bit mask for the shift operand, which meant that any value for
mmap_rnd_bits over 31 acts as a no-op and effectively disables mmap_base
randomization.
Finally, replace calls to get_random_int() with get_random_long() where
appropriate.
This patch (of 2):
Add get_random_long().
Signed-off-by: Daniel Cashman <dcashman@android.com>
Acked-by: Kees Cook <keescook@chromium.org>
Cc: "Theodore Ts'o" <tytso@mit.edu>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: David S. Miller <davem@davemloft.net>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Nick Kralevich <nnk@google.com>
Cc: Jeff Vander Stoep <jeffv@google.com>
Cc: Mark Salyzyn <salyzyn@android.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI fixes from Bjorn Helgaas:
"Enumeration:
Revert x86 pcibios_alloc_irq() to fix regression (Bjorn Helgaas)
Marvell MVEBU host bridge driver:
Restrict build to 32-bit ARM (Thierry Reding)"
* tag 'pci-v4.5-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
PCI: mvebu: Restrict build to 32-bit ARM
Revert "PCI, x86: Implement pcibios_alloc_irq() and pcibios_free_irq()"
Revert "PCI: Add helpers to manage pci_dev->irq and pci_dev->irq_managed"
Revert "x86/PCI: Don't alloc pcibios-irq when MSI is enabled"
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This driver uses PCI glue that is only available on 32-bit ARM. This used
to work fine as long as ARCH_MVEBU and ARCH_DOVE were exclusively 32-bit,
but there's a patch in the pipe to make ARCH_MVEBU also available on 64-bit
ARM.
[bhelgaas: changelog; patch is coming but not merged yet]
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
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991de2e59090 ("PCI, x86: Implement pcibios_alloc_irq() and
pcibios_free_irq()") appeared in v4.3 and helps support IOAPIC hotplug.
Олег reported that the Elcus-1553 TA1-PCI driver worked in v4.2 but not
v4.3 and bisected it to 991de2e59090. Sunjin reported that the RocketRAID
272x driver worked in v4.2 but not v4.3. In both cases booting with
"pci=routirq" is a workaround.
I think the problem is that after 991de2e59090, we no longer call
pcibios_enable_irq() for upstream bridges. Prior to 991de2e59090, when a
driver called pci_enable_device(), we recursively called
pcibios_enable_irq() for upstream bridges via pci_enable_bridge().
After 991de2e59090, we call pcibios_enable_irq() from pci_device_probe()
instead of the pci_enable_device() path, which does *not* call
pcibios_enable_irq() for upstream bridges.
Revert 991de2e59090 to fix these driver regressions.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=111211
Fixes: 991de2e59090 ("PCI, x86: Implement pcibios_alloc_irq() and pcibios_free_irq()")
Reported-and-tested-by: Олег Мороз <oleg.moroz@mcc.vniiem.ru>
Reported-by: Sunjin Yang <fan4326@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Rafael J. Wysocki <rafael@kernel.org>
CC: Jiang Liu <jiang.liu@linux.intel.com>
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Revert 811a4e6fce09 ("PCI: Add helpers to manage pci_dev->irq and
pci_dev->irq_managed").
This is part of reverting 991de2e59090 ("PCI, x86: Implement
pcibios_alloc_irq() and pcibios_free_irq()") to fix regressions it
introduced.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=111211
Fixes: 991de2e59090 ("PCI, x86: Implement pcibios_alloc_irq() and pcibios_free_irq()")
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Rafael J. Wysocki <rafael@kernel.org>
CC: Jiang Liu <jiang.liu@linux.intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk fix from Stephen Boyd:
"One small fix to keep OMAP platforms working across a suspend/resume
cycle"
* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
clk: ti: omap3+: dpll: use non-locking version of clk_get_rate
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As the code in this file is being executed within irq context in some
cases, we must avoid the clk_get_rate which uses mutex internally.
Switch the code to use clk_hw_get_rate instead which is non-locking.
This fixes an issue where PM runtime will hang the system if enabled
with a serial console before a suspend-resume cycle.
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Tested-by: Tony Lindgren <tony@atomide.com>
Fixes: a53ad8ef3dcc ("clk: ti: Convert to clk_hw based provider APIs")
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management and ACPI fixes from Rafael Wysocki:
"These are two reverts of recent PCI-related ACPI core changes (one of
which caused some systems to crash on boot and the other was a cleanup
on top of it) and a devfreq fix for Tegra.
Specifics:
- Revert an ACPI core change related to IRQ management in PCI that
introduced code relying on the use of kmalloc() which turned out to
also run during early init when that's not available yet and caused
some systems to crash on boot for this reason along with a cleanup
on top of it (Rafael Wysocki).
- Prevent devfreq from flooding the kernel log with useless messages
on Tegra (which started to happen after some recent changes in the
devfreq core) by fixing the driver to follow the documentation and
the core's expectations in its ->target callback (Tomeu Vizoso)"
* tag 'pm+acpi-4.5-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
Revert "ACPI, PCI, irq: remove interrupt count restriction"
Revert "ACPI / PCI: Simplify acpi_penalize_isa_irq()"
PM / devfreq: tegra: Set freq in rate callback
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* pm-devfreq:
PM / devfreq: tegra: Set freq in rate callback
* acpi-pci:
Revert "ACPI, PCI, irq: remove interrupt count restriction"
Revert "ACPI / PCI: Simplify acpi_penalize_isa_irq()"
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Revert commit b5bd02695471 (ACPI, PCI, irq: remove interrupt count
restriction) that introduced a boot regression on some systems
where it caused kmalloc() to be used too early.
Link: http://marc.info/?l=linux-acpi&m=145580159209240&w=2
Reported-by: Nalla, Ravikanth <ravikanth.nalla@hpe.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Revert commit 0971686954f9 "ACPI / PCI: Simplify acpi_penalize_isa_irq()"
that depends on commit b5bd02695471 (ACPI, PCI, irq: remove interrupt
count restriction) which introduced a regression and needs to be
reverted for this reason.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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