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New features:
- Intel Titan Ridge Thunderbolt 3 controller support
- Preboot ACL supported, allowing more secure way to boot from
Thunderbolt devices
- New "USB only" security level
In addition there are a couple of fixes for increasing timeout when
authenticating the ICM firmware and reading root switch config space.
Preventing a crash on certain Lenovo systems where ICM firmware for some
reason is not always properly starting up.
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Merge tag 'thunderbolt-for-v4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/westeri/thunderbolt into char-misc-next
Mike writes:
thunderbolt: Changes for v4.17 merge window
New features:
- Intel Titan Ridge Thunderbolt 3 controller support
- Preboot ACL supported, allowing more secure way to boot from
Thunderbolt devices
- New "USB only" security level
In addition there are a couple of fixes for increasing timeout when
authenticating the ICM firmware and reading root switch config space.
Preventing a crash on certain Lenovo systems where ICM firmware for some
reason is not always properly starting up.
To date this driver has relied on prevous state from out of tree hacks
and vendor u-boot trees in order to have the host be able to access
data over the LPC bus.
Now we explicitly enable the AHB to LPC bridge and FWH cycles from when
the user first configures the address to map. We chose to do this then
as before that time there is no way for the kernel to know where it is
safe to point the LPC window.
Tested-by: Lei YU <mine260309@gmail.com>
Reviewed-by: Andrew Jeffery <andrew@aj.id.au>
Signed-off-by: Joel Stanley <joel@jms.id.au>
Reviewed-by: Cyril Bur <cyrilbur@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The LPC device needs to ensure it's clock is enabled before it can do
anything.
In the past the clock was enabled and left running by u-boot, however
Linux now has an upstream clock driver that disables unused clocks.
Tested-by: Lei YU <mine260309@gmail.com>
Reviewed-by: Andrew Jeffery <andrew@aj.id.au>
Signed-off-by: Joel Stanley <joel@jms.id.au>
Reviewed-by: Cyril Bur <cyrilbur@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The LPC Host Interface Controller is part of a BMC SoC that is used for
communication with the host.
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
if device_register() returned an error! Always use put_device()
to give up the reference initialized.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Reviewed-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Never directly free @dev after calling device_register(),
even if it returned an error! Always use put_device() to
give up the reference initialized.
Release allocated memory for vop device in vop_release_dev().
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
When I tried to use devm_ioremap function and review related
code, I found devm_ioremap_* almost have the similar realize
with each other, which can be combined.
In the former version, I have tried to kill ioremap_cache to
reduce the size of devres, which can not work for ioremap is
not the same as ioremap_nocache in some ARCHs likes ia64.
Therefore, as the suggestion of Christophe, I introduce a help
function __devm_ioremap, let devm_ioremap* inline and call
__devm_ioremap with different devm_ioremap_type.
After apply the patch, the size of devres.o can be reduce from
8216 Bytes to 8052 Bytes in my compile environment.
Suggested-by: Greg KH <gregkh@linuxfoundation.org>
Suggested-by: Christophe LEROY <christophe.leroy@c-s.fr>
Signed-off-by: Yisheng Xie <xieyisheng1@huawei.com>
Reviewed-by: Christophe LEROY <christophe.leroy@c-s.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Width 20 given in format string is larger than destination
buffer 'type[20]', use %19s to prevent overflowing it.
Fixes: bbecb07fa0af ("siox: new driver framework for eckelmann SIOX")
Cc: stable <stable@vger.kernel.org>
Reported-by: David Binderman <dcb314@hotmail.com>
Signed-off-by: Gavin Schenk <g.schenk@eckelmann.de>
Reviewed-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
/dev/nvram was never meant to be used alongside the RTC CMOS driver from
drivers/rtc as it already expose the NVRAM through another interface..
Anyway, the last defconfig to enable it properly was removed in 2010 so
prevent ARM users from selecting it.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The functions rts5260_get_ocpstat, rts5260_get_ocpstat2,
rts5260_clear_ocpstat, rts5260_process_ocp, rts5260_init_hw and
rts5260_set_aspm are local to the source and do not need to be
in global scope, so make them static.
Cleans up sparse warnings:
symbol 'rts5260_get_ocpstat' was not declared. Should it be static?
symbol 'rts5260_get_ocpstat2' was not declared. Should it be static?
symbol 'rts5260_clear_ocpstat' was not declared. Should it be static?
symbol 'rts5260_process_ocp' was not declared. Should it be static?
symbol 'rts5260_init_hw' was not declared. Should it be static?
symbol 'rts5260_set_aspm' was not declared. Should it be static?
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
register_blkdev() and __register_chrdev_region() treat the major
number as an unsigned int. So print it the same way to avoid
absurd error statements such as:
"... major requested (-1) is greater than the maximum (511) ..."
(and also fix off-by-one bugs in the error prints).
While at it, also update the comment describing register_blkdev().
Signed-off-by: Srivatsa S. Bhat <srivatsa@csail.mit.edu>
Reviewed-by: Logan Gunthorpe <logang@deltatee.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
CHRDEV_MAJOR_DYN_END and CHRDEV_MAJOR_DYN_EXT_END are valid major
numbers. So fix the loop iteration to include them in the search for
free major numbers.
While at it, also remove a redundant if condition ("cd->major != i"),
as it will never be true.
Signed-off-by: Srivatsa S. Bhat <srivatsa@csail.mit.edu>
Reviewed-by: Logan Gunthorpe <logang@deltatee.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Never directly free @dev after calling device_register(), even
if it returned an error! Always use put_device() to give up the
reference initialized.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The CPU_AT32AP700X symbol symbol went away when when AVR32 was removed
in commit 26202873bb51 ("avr32: remove support for AVR32 architecture")
Remove the prompt from ATMEL_TCB_CLKSRC_BLOCK. The prompt condition
could never be satisfied now.
Discovered with the
https://github.com/ulfalizer/Kconfiglib/blob/master/examples/list_undefined.py
script.
Signed-off-by: Ulf Magnusson <ulfalizer@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Currently the driver spams the kernel log on unsupported ioctls which is
unnecessary as the ioctl returns -ENOIOCTLCMD to indicate this anyway.
I suspect this was originally for debugging purposes but it really is not
required so remove it.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Limit the number of queued writes per client.
Writes above this threshold are blocked till place
in the transmit queue is available.
The limit is configurable via sysfs and defaults to 50.
The implementation should provide blocking I/O behavior.
Prior to this change one would end up in the hands of OOM.
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Module reference counting is relevant only to the
mei client devices. Make the implementation clean
and move it to bus.c
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
imx-ocotp is implemented based on nvmem which can have data cells
as child node. Update the binding doc to reflect it to be more easily
understood by users.
Cc: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
Acked-by: Shawn Guo <shawnguo@kernel.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
It seems that doing some operation will make the value pre-read on H3
SID controller wrong again, so all operation should be performed by
register.
Change the SID reading to use register only.
Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The i.MX7 family has similar SNVS hardware so make the snvs-lpgpr
support it along with the i.MX6 family. The register interface is the
same except for the number and offset of the general purpose registers.
Signed-off-by: Andrey Yurovsky <yurovsky@gmail.com>
Reviewed-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Some older PCI attached MEN FPGAs use an Altera PCI Vendor ID instead
of the MEN one. Add it to the PCI ID table so the driver automatically
attaches to it.
Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de>
Reported-by: Ben Turner <ben.turner@21net.com>
Tested-by: Ben Turner <ben.turner@21net.com>
Cc: Andreas Geißler <andreas.geissler@men.de>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add the Altera PCI Vendor id to pci_ids.h and remove the private
definitions from xillybus_pcie.c and altera-cvp.c.
Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Eli Billauer <eli.billauer@gmail.com>
Cc: Anatolij Gustschin <agust@denx.de>
Acked-by: Eli Billauer <eli.billauer@gmail.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Prior to scanning a master check if the optional property
no-scan-on-init is present. If it is then avoid scanning. This is
necessary in cases where a master scan could interfere with another
FSI master on the same bus.
Signed-off-by: Christopher Bostic <cbostic@linux.vnet.ibm.com>
Acked-by: Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add an optional FSI master property 'no-scan-on-init. This
can be specified to indicate that a master should not be
automatically scanned at init time. This is required in cases
where a scan could interfere with another FSI master on the same
bus.
Signed-off-by: Christopher Bostic <cbostic@linux.vnet.ibm.com>
Acked-by: Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Once we call fsi_master_unregister, the core will put_device,
potentially freeing the hub master. This change adds a comment
explaining the lifetime of an allocated fsi_master.
We then add a reference from the driver to the hub master, so it stays
around until we've finished ->remove().
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Tested-by: Christopher Bostic <cbostic@linux.vnet.ibm.com>
Signed-off-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To reduce amount of console output during boot / power up make
all normal path scan related messages debug type.
Signed-off-by: Christopher Bostic <cbostic@linux.vnet.ibm.com>
Acked-by: Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This change populates device tree nodes for scanned FSI slaves and
engines. If the master populates ->of_node of the FSI master device,
we'll look for matching slaves, and under those slaves we'll look for
matching engines.
This means that FSI drivers will have their ->of_node pointer populated
if there's a corresponding DT node, which they can use for further
device discover.
Presence of device tree nodes is optional, and only required for
fsi device drivers that need extra properties, or subordinate devices,
to be enumerated.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This change introduces a proposed layout for describing FSI busses in
the device tree. While the bus is probe-able, we'd still like a method
of describing subordinate (eg i2c) busses that are behind FSI devices.
The FSI core will be responsible for matching probed slaves & engines to
their device tree nodes, so the FSI device drivers' probe() functions
will be passed a struct device with the appropriate of_node populated
where a matching DT node is found.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Acked-by: Joel Stanley <joel@jms.id.au>
Acked-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
Acked-by: Eddie James <eajames@linux.vnet.ibm.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
