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The imx_transmit_buffer function should return if TX DMA has already
been started and not just skip over the buffer PIO write loop. (Which
did fix the initial problem, but could have unintentional side-effects)
Tested on an i.MX6Q board with half-duplex RS-485 and with RS-232.
Cc: Clemens Gruber <clemens.gruber@pqgruber.com>
Cc: Uwe-Kleine König <u.kleine-koenig@pengutronix.de>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Fixes: 514ab34dbad6 ("serial: imx: Prevent TX buffer PIO write when a DMA has been started")
Signed-off-by: Ian Jamison <ian.dev@arkver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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If any key on console is pressed when board is suspended,
board hangs.
Driver's interrupt handler must be guaranteed not to run while
resume/suspend_noirq() are being executed. See include/linux/pm.h
for details.
Tested on i.MX6 based board.
The idea of this fix is based on commit in official i.MX kernel tree:
http://git.freescale.com/git/cgit.cgi/imx/linux-2.6-imx.git
commit 81e8e7d91d81 ("tty: serial: imx: disable irq after suspend")
Disable rx irq after suspend to avoid interrupt coming in early resume.
Signed-off-by: Fugang Duan <B38611@freescale.com>
Signed-off-by: Maxim Yu. Osipov <mosipov@ilbers.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add suspend/resume support for UniPhier serial driver.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The 8250 core uses the SCR as a canary to discover if the console has
been powered-off.
This hardware does not have SCR at offset 7, but an unused register
CHAR at a different offset. As long as the character interrupt is
disabled, the register access has no impact, so it is useful as an
alternative scratch register.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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serial8250_register_8250_port() may allocate a different port index
than requested. The driver needs to remember the returned value of
serial8250_register_8250_port() for later use. Otherwise, the .remove
hook may unregister a different port.
Fixes: 1a8d2903cb6a ("serial: 8250_uniphier: add UniPhier serial driver")
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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MT7622/23 SoC
MediaTek BTIF controller is the serial interface similar to UART but it
works only as the digital device which is mainly used to communicate with
the connectivity module called CONNSYS inside the SoC which could be mostly
found on those MediaTek SoCs with Bluetooth feature such as MT7622 and
MT7623 SoCs.
And the controller is made as being compatible with the 8250 register
layout with extra registers such as DMA enablement so it tends to be
integrated with reusing 8250 OF driver. However, DMA mode is not being
supported yet in the current driver.
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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When moving earlycon early_param handling to serial, the devicetree
earlycons enable condition changed slightly.
We used to only do that for 'console'/'earlycon', but now would also
for 'console='/'earlycon='.
Fix it by using the same condition like before.
Fixes: d503187b6cc4 (of/serial: move earlycon early_param handling to serial)
Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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These uart_ops structures are only stored in the ops field of a
uart_port structure and this fields is const, so the uart_ops
structures can also be const.
Done with the help of Coccinelle.
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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These uart_ops structures are only stored in the ops field of a
uart_port structure and this fields is const, so the uart_ops
structures can also be const.
Done with the help of Coccinelle.
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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These uart_ops structures are only stored in the ops field of a
uart_port structure and this fields is const, so the uart_ops
structures can also be const.
Done with the help of Coccinelle.
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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These uart_ops structures are only stored in the ops field of a
uart_port structure and this fields is const, so the uart_ops
structures can also be const.
Done with the help of Coccinelle.
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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These uart_ops structures are only stored in the ops field of a
uart_port structure and this fields is const, so the uart_ops
structures can also be const.
Done with the help of Coccinelle.
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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These uart_ops structures are only stored in the ops field of a
uart_port structure and this fields is const, so the uart_ops
structures can also be const.
Done with the help of Coccinelle.
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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These uart_ops structures are only stored in the ops field of a
uart_port structure and this fields is const, so the uart_ops
structures can also be const.
Done with the help of Coccinelle.
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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These uart_ops structures are only stored in the ops field of a
uart_port structure and this fields is const, so the uart_ops
structures can also be const.
Done with the help of Coccinelle.
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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These uart_ops structures are only stored in the ops field of a
uart_port structure and this fields is const, so the uart_ops
structures can also be const.
Done with the help of Coccinelle.
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Acked-by: Timur Tabi <timur@tabi.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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parisc_device_id are not supposed to change at runtime. All functions
working with parisc_device_id provided by <asm/parisc-device.h> work
with const parisc_device_id. So mark the non-const structs as const.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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parisc_device_id are not supposed to change at runtime. All functions
working with parisc_device_id provided by <asm/parisc-device.h> work
with const parisc_device_id. So mark the non-const structs as const.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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66AK2G UART instances are not apart of the ALWAYS_ON power domain.
Therefore, pm_runtime calls must be made to properly insure the appropriate
power domains needed by UART are on. Keep legacy clk api calls since other
users of this driver may not support PM runtime.
Signed-off-by: Franklin S Cooper Jr <fcooper@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Use slightly more compact of_property_read_bool() calls for the boolean
properties instead of of_find_property() calls.
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Previously the timers where based on the classic timers, giving a too
coarse resolution on systems with configs of less than 1000 HZ.
This patch changes the rs485 timers to hrtimers.
Signed-off-by: Rafael Gago Castano <rgc@hms.se>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Previously the rs485 settings weren't considered when setting the RTS
line, so e.g. closing and reopening a port made serial_core to drive
the line as if rs485 was disabled.
This patch fixes those issues.
Signed-off-by: Rafael Gago Castano <rgc@hms.se>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR
Signed-off-by: Himanshu Jha <himanshujha199640@gmail.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Use more compact of_property_read_bool() call for a boolean property
instead of of_find_property() call in sci_parse_dt().
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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It used to be a gap in port definitions after PORT_MAX_8250. Since the
new drivers are coming the gap become shorter and shorter until the
commit a2d6a987bfe4 ("serial: 8250: Add new port type for TI DA8xx/66AK2x")
completely removed it.
So, while type here is just a formality, make things a little bit more
explicit for this driver and move port types to UAPI header. Note,
it uses two types for now.
Fixes: fddceb8b5399 ("tty: 8250: Add 64byte UART support for FSL platforms")
Cc: Priyanka Jain <Priyanka.Jain@freescale.com>
Cc: Poonam Aggrwal <poonam.aggrwal@freescale.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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There is no need to duplicate a flag which IRQ core takes care of.
Replace custom flag by IRQ core API that retrieves its state.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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There is no need to duplicate a flag which IRQ core takes care of.
Replace custom flag by IRQ core API that retrieves its state.
Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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There is no need to duplicate a flag which IRQ core takes care of.
Replace custom flag by IRQ core API that retrieves its state.
Cc: Patrice Chotard <patrice.chotard@st.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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There is no need to duplicate a flag which IRQ core takes care of.
Replace custom flag by IRQ core API that retrieves its state.
Cc: Bhuvanchandra DV <bhuvanchandra.dv@toradex.com>
Cc: Dong Aisheng <aisheng.dong@nxp.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Move the request_irq() call to the end of the msm_startup(),
so that we don't handle interrupts while msm_startup() is
running. This avoids potential races while initialization
is in progress. For example, consider below scenario
where rx handler reads the intermediate value of dma->chan,
set in msm_request_rx_dma(), and tries to do dma mapping,
which results in data abort.
uart_port_startup()
msm_startup()
request_irq()
...
msm_request_rx_dma()
...
dma->chan = dma_request_slave_channel_reason(dev, "rx");
<UART RX IRQ>
msm_uart_irq()
msm_handle_rx_dm()
msm_start_rx_dma()
dma->desc = dma_map_single()
<data abort>
Signed-off-by: Neeraj Upadhyay <neeraju@codeaurora.org>
Reviewd-by: Andy Gross <andy.gross@linaro.org>
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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There is no need to do a NULL check for debugfs_remove().
Quoting Documentation/filesystems/debugfs.txt:
"The dentry value can be NULL, in which case nothing will be removed."
, so remove the unneeded NULL check.
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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platform_get_irq() returns an error code, but the sprd_serial driver
ignores it and always returns -ENODEV. This is not correct and,
prevents -EPROBE_DEFER from being propagated properly.
Also, notice that platform_get_irq() no longer returns 0 on error:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e330b9a6bb35dc7097a4f02cb1ae7b6f96df92af
Print and propagate the return value of platform_get_irq on failure.
This issue was detected with the help of Coccinelle.
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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These uart_ops structures are only stored in the ops field of a
uart_port structure and this fields is const, so the uart_ops
structures can also be const.
Done with the help of Coccinelle.
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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These uart_ops structures are only stored in the ops field of a
uart_port structure and this fields is const, so the uart_ops
structures can also be const.
Done with the help of Coccinelle.
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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100µs was too short for low speed transmission
(9600bps)
Signed-off-by: Gerald Baeza <gerald.baeza@st.com>
Signed-off-by: Bich Hemon <bich.hemon@st.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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amba_id are not supposed to change at runtime. All functions
working with const amba_id. So mark the non-const structs as const.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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amba_id are not supposed to change at runtime. All functions
working with const amba_id. So mark the non-const structs as const.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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These vendor_data structures are only stored in the vendor field of
the uart_amba_port structure, as defined in the same file, and this
field is declared as const. Thus the vendor_data structures can be
const too.
Done with the help of Coccinelle.
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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We want the fixes in here, and we resolve the merge issue in the
8250_core.c file.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core fixes from Greg KH:
"Here are three firmware core fixes for 4.13-rc5.
All three of these fix reported issues and have been floating around
for a few weeks. They have been in linux-next with no reported
problems"
* tag 'driver-core-4.13-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
firmware: avoid invalid fallback aborts by using killable wait
firmware: fix batched requests - send wake up on failure on direct lookups
firmware: fix batched requests - wake all waiters
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc fixes from Greg KH:
"Here are two patches for 4.13-rc5.
One is a fix for a reported thunderbolt issue, and the other a fix for
an MEI driver issue. Both have been in linux-next with no reported
issues"
* tag 'char-misc-4.13-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
thunderbolt: Do not enumerate more ports from DROM than the controller has
mei: exclude device from suspend direct complete optimization
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial fixes from Greg KH:
"Here are two tty serial driver fixes for 4.13-rc5. One is a revert of
a -rc1 patch that turned out to not be a good idea, and the other is a
fix for the pl011 serial driver.
Both have been in linux-next with no reported issues"
* tag 'tty-4.13-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
Revert "serial: Delete dead code for CIR serial ports"
tty: pl011: fix initialization order of QDF2400 E44
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging/iio fixes from Greg KH:
"Here are some Staging and IIO driver fixes for 4.13-rc5.
Nothing major, just a number of small fixes for reported issues. All
of these have been in linux-next for a while now with no reported
issues. Full details are in the shortlog"
* tag 'staging-4.13-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: comedi: comedi_fops: do not call blocking ops when !TASK_RUNNING
iio: aspeed-adc: wait for initial sequence.
iio: accel: bmc150: Always restore device to normal mode after suspend-resume
staging:iio:resolver:ad2s1210 fix negative IIO_ANGL_VEL read
iio: adc: axp288: Fix the GPADC pin reading often wrongly returning 0
iio: adc: vf610_adc: Fix VALT selection value for REFSEL bits
iio: accel: st_accel: add SPI-3wire support
iio: adc: Revert "axp288: Drop bogus AXP288_ADC_TS_PIN_CTRL register modifications"
iio: adc: sun4i-gpadc-iio: fix unbalanced irq enable/disable
iio: pressure: st_pressure_core: disable multiread by default for LPS22HB
iio: light: tsl2563: use correct event code
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are a number of small USB driver fixes and new device ids for
4.13-rc5. There is the usual gadget driver fixes, some new quirks for
"messy" hardware, and some new device ids.
All have been in linux-next with no reported issues"
* tag 'usb-4.13-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
USB: serial: pl2303: add new ATEN device id
usb: quirks: Add no-lpm quirk for Moshi USB to Ethernet Adapter
USB: Check for dropped connection before switching to full speed
usb:xhci:Add quirk for Certain failing HP keyboard on reset after resume
usb: renesas_usbhs: gadget: fix unused-but-set-variable warning
usb: renesas_usbhs: Fix UGCTRL2 value for R-Car Gen3
usb: phy: phy-msm-usb: Fix usage of devm_regulator_bulk_get()
usb: gadget: udc: renesas_usb3: Fix usb_gadget_giveback_request() calling
usb: dwc3: gadget: Correct ISOC DATA PIDs for short packets
USB: serial: option: add D-Link DWM-222 device ID
usb: musb: fix tx fifo flush handling again
usb: core: unlink urbs from the tail of the endpoint's urb_list
usb-storage: fix deadlock involving host lock and scsi_done
uas: Add US_FL_IGNORE_RESIDUE for Initio Corporation INIC-3069
USB: hcd: Mark secondary HCD as dead if the primary one died
USB: serial: cp210x: add support for Qivicon USB ZigBee dongle
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Pull another MTD fix from Brian Norris:
"An mtdblock regression occurred in -rc1 (all writes were broken!), in
the process of some block subsystem refactoring. Noticed and fixed
last week, but I'm a little slow on the uptake"
* tag 'for-linus-20170812' of git://git.infradead.org/linux-mtd:
mtd: blkdevs: Fix mtd block write failure
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All the MTD block write requests are failing with
following error messages
mkfs.ext4 /dev/mtdblock0
print_req_error: I/O error, dev mtdblock0, sector 0
Buffer I/O error on dev mtdblock0, logical block 0,
lost async page write
The control is going to default case after block write request
because of missing return.
Fixes: commit 2a842acab109 ("block: introduce new block status code type")
Signed-off-by: Abhishek Sahu <absahu@codeaurora.org>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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Pull SCSI target fixes from Nicholas Bellinger:
"The highlights include:
- Fix iscsi-target payload memory leak during
ISCSI_FLAG_TEXT_CONTINUE (Varun Prakash)
- Fix tcm_qla2xxx incorrect use of tcm_qla2xxx_free_cmd during ABORT
(Pascal de Bruijn + Himanshu Madhani + nab)
- Fix iscsi-target long-standing issue with parallel delete of a
single network portal across multiple target instances (Gary Guo +
nab)
- Fix target dynamic se_node GPF during uncached shutdown regression
(Justin Maggard + nab)"
* git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending:
target: Fix node_acl demo-mode + uncached dynamic shutdown regression
iscsi-target: Fix iscsi_np reset hung task during parallel delete
qla2xxx: Fix incorrect tcm_qla2xxx_free_cmd use during TMR ABORT (v2)
cxgbit: fix sg_nents calculation
iscsi-target: fix invalid flags in text response
iscsi-target: fix memory leak in iscsit_setup_text_cmd()
cxgbit: add missing __kfree_skb()
tcmu: free old string on reconfig
tcmu: Fix possible to/from address overflow when doing the memcpy
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git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fixes from Juergen Gross:
"Some fixes for Xen:
- a fix for a regression introduced in 4.13 for a Xen HVM-guest
configured with KASLR
- a fix for a possible deadlock in the xenbus driver when booting the
system
- a fix for lost interrupts in Xen guests"
* tag 'for-linus-4.13b-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen/events: Fix interrupt lost during irq_disable and irq_enable
xen: avoid deadlock in xenbus
xen: fix hvm guest with kaslr enabled
xen: split up xen_hvm_init_shared_info()
x86: provide an init_mem_mapping hypervisor hook
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Pull block fixes from Jens Axboe:
"A set of fixes that should go into this series. This contains:
- Fix from Bart for blk-mq requeue queue running, preventing a
continued loop of run/restart.
- Fix for a bio/blk-integrity issue, in two parts. One from
Christoph, fixing where verification happens, and one from Milan,
for a NULL profile.
- NVMe pull request, most of the changes being for nvme-fc, but also
a few trivial core/pci fixes"
* 'for-linus' of git://git.kernel.dk/linux-block:
nvme: fix directive command numd calculation
nvme: fix nvme reset command timeout handling
nvme-pci: fix CMB sysfs file removal in reset path
lpfc: support nvmet_fc defer_rcv callback
nvmet_fc: add defer_req callback for deferment of cmd buffer return
nvme: strip trailing 0-bytes in wwid_show
block: Make blk_mq_delay_kick_requeue_list() rerun the queue at a quiet time
bio-integrity: only verify integrity on the lowest stacked driver
bio-integrity: Fix regression if profile verify_fn is NULL
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git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC fixes from Ulf Hansson:
"MMC core:
- fix lockdep splat when removing mmc_block module
- fix the logic for setting eMMC HS400ES signal voltage
MMC host:
- omap_hsmmc: add CMD23 capability to fix -EIO errors"
* tag 'mmc-v4.13-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
mmc: block: fix lockdep splat when removing mmc_block module
mmc: mmc: correct the logic for setting HS400ES signal voltage
mmc: host: omap_hsmmc: Add CMD23 capability to omap_hsmmc driver
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