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Convert the Arm PL330 DMA controller binding to DT schema.
The '#dma-channels' and '#dma-requests' properties are unused as they are
discoverable and are non-standard (the standard props don't have '#'). So
drop them from the binding.
Cc: Vinod Koul <vkoul@kernel.org>
Cc: dmaengine@vger.kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20211217170644.3145332-1-robh@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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This patch fixes STM32_MDMA_CTBR_TSEL_MASK, which is [5:0], not [7:0].
Fixes: a4ffb13c8946 ("dmaengine: Add STM32 MDMA driver")
Signed-off-by: Amelie Delaunay <amelie.delaunay@foss.st.com>
Link: https://lore.kernel.org/r/20211220165827.1238097-1-amelie.delaunay@foss.st.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Add support for R-Car S4-8. We can reuse R-Car V3U code so that
renames variable names as "gen4".
Note that some registers of R-Car V3U do not exist on R-Car S4-8,
but none of them are used by the driver for now.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Ulrich Hecht <uli+renesas@fpond.eu>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20211222114507.1252947-3-yoshihiro.shimoda.uh@renesas.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Document the compatible value for the Direct Memory Access Controller
blocks in the Renesas R-Car S4-8 (R8A779F0) SoC.
The most visible difference with DMAC blocks on other R-Car SoCs
(except R8A779A0) is the move of the per-channel registers to
a separate register block.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20211222114507.1252947-2-yoshihiro.shimoda.uh@renesas.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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This property was already mentioned in the old textual bindings
amlogic,meson-vpu.txt, but got dropped during conversion.
Adding it back similar to amlogic,gx-vdec.yaml.
Fixes: 6b9ebf1e0e67 ("dt-bindings: display: amlogic, meson-vpu: convert to yaml")
Signed-off-by: Alexander Stein <alexander.stein@mailbox.org>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211219094155.177206-1-alexander.stein@mailbox.org
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Use dma_set_mask_and_coherent() instead of unrolling it with some
dma_set_mask()+dma_set_coherent_mask().
Moreover, as stated in [1], dma_set_mask() with a 64-bit mask will never
fail if dev->dma_mask is non-NULL.
So, if it fails, the 32 bits case will also fail for the same reason.
That said, 'high_dma' can only be 1 after a successful
dma_set_mask_and_coherent().
Simplify code and remove some dead code accordingly, including a now
useless parameter to vxge_device_register().
[1]: https://lkml.org/lkml/2021/6/7/398
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use dma_set_mask_and_coherent() instead of unrolling it with some
dma_set_mask()+dma_set_coherent_mask().
Moreover, as stated in [1], dma_set_mask() with a 64-bit mask will never
fail if dev->dma_mask is non-NULL.
So, if it fails, the 32 bits case will also fail for the same reason.
That said, 'dma_flag' can only be 'true' after a successful
dma_set_mask_and_coherent().
Simplify code and remove some dead code accordingly, including the now
useless 'high_dma_flag' field in 'struct s2io_nic'.
[1]: https://lkml.org/lkml/2021/6/7/398
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Sorry for being rude but new vendors/drivers are supposed to be disabled
by default, otherwise we will have to manually keep track of all vendors
we are not interested in building.
Fixes: 2f207cbf0dd4 ("net: vertexcom: Add MSE102x SPI support")
CC: Stefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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GPIO library now accepts fwnode as a firmware node, so
switch the driver to use it and hence rectify the ACPI
case which uses software nodes.
Note, in this case it's rather logical fix that doesn't
affect functionality, thus no backporting required.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Serge Semin <fancer.lancer@gmail.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
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If the driver sets the fwnode in struct gpio_chip, let it take
precedence over the parent's fwnode.
This is a follow up to the commit 9126a738edc1 ("gpiolib: of: make
fwnode take precedence in struct gpio_chip").
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
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Add Doug and Florian as maintainers for gpio-brcmstb, and remove myself.
Signed-off-by: Gregory Fong <gregory.0xf0@gmail.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
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Each aspeed sgpio bank has 64 gpio pins(32 input pins and 32 output pins).
The hwirq base for each sgpio bank should be multiples of 64 rather than
multiples of 32.
Signed-off-by: Steven Lee <steven_lee@aspeedtech.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
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The commit 6c56c6cd8031 ("gpio: samsung: Drop support for Exynos SoCs")
removed support for the Samsung Exynos SoC in lrgacy GPIO driver, since
it was moved to new pinctrl driver. Remove old, unused bindings.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
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kfree() and bitmap_free() are the same. But using the later is more
consistent when freeing memory allocated with bitmap_alloc().
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
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platform_get_resource(pdev, IORESOURCE_IRQ, ..) relies on static
allocation of IRQ resources in DT core code, this causes an issue
when using hierarchical interrupt domains using "interrupts" property
in the node as this bypasses the hierarchical setup and messes up the
irq chaining.
In preparation for removal of static setup of IRQ resource from DT core
code use platform_get_irq().
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
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platform_get_resource(pdev, IORESOURCE_IRQ, ..) relies on static
allocation of IRQ resources in DT core code, this causes an issue
when using hierarchical interrupt domains using "interrupts" property
in the node as this bypasses the hierarchical setup and messes up the
irq chaining.
In preparation for removal of static setup of IRQ resource from DT core
code use platform_get_irq_optional() for DT users only.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
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platform_get_resource(pdev, IORESOURCE_IRQ, ..) relies on static
allocation of IRQ resources in DT core code, this causes an issue
when using hierarchical interrupt domains using "interrupts" property
in the node as this bypasses the hierarchical setup and messes up the
irq chaining.
In preparation for removal of static setup of IRQ resource from DT core
code use platform_get_irq().
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
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With the new per-channel bitmask for reconnect, we have an option to
reconnect the tcp session associated with the channel without reconnecting
the smb session. i.e. if there are still channels to operate on, we can
continue to use the smb session and tcon.
However, there are cases where it makes sense to reconnect the smb session
even when there are active channels underneath. For example for
SMB session expiry.
With this patch, we'll have an option to do either, and use the correct
option for specific cases.
Signed-off-by: Shyam Prasad N <sprasad@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
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chan_count keeps track of the total number of channels.
Since at least the primary channel will always be connected,
this value can never go below 1. Warn if that happens.
Signed-off-by: Shyam Prasad N <sprasad@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
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Use ses->chans_need_reconnect bitmask to print the connection
status of each channel under an SMB session.
Signed-off-by: Shyam Prasad N <sprasad@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
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We use the concept of "binding" when one of the secondary channel
is in the process of connecting/reconnecting to the server. Till this
binding process completes, and the channel is bound to an existing session,
we redirect traffic from other established channels on the binding channel,
effectively blocking all traffic till individual channels get reconnected.
With my last set of commits, we can get rid of this binding serialization.
We now have a bitmap of connection states for each channel. We will use
this bitmap instead for tracking channel status.
Having a bitmap also now enables us to keep the session alive, as long
as even a single channel underneath is alive.
Unfortunately, this also meant that we need to supply the tcp connection
info for the channel during all negotiate and session setup functions.
These changes have resulted in a slightly bigger code churn.
However, I expect perf and robustness improvements in the mchan scenario
after this change.
Signed-off-by: Shyam Prasad N <sprasad@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
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We needed a way to identify the channels under the smb session
which are in reconnect, so that the traffic to other channels
can continue. So I replaced the bool need_reconnect with
a bitmask identifying all the channels that need reconnection
(named chans_need_reconnect). When a channel needs reconnection,
the bit corresponding to the index of the server in ses->chans
is used to set this bitmask. Checking if no channels or all
the channels need reconnect then becomes very easy.
Also wrote some helper macros for checking and setting the bits.
Signed-off-by: Shyam Prasad N <sprasad@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
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The pointer p is being assigned with a value that is never read. The
pointer is being re-assigned a different value inside the do-while
loop. The assignment is redundant and can be removed.
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
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The folio_batch is the same as the pagevec, except that it is typed
to contain folios and not pages.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: William Kucharski <william.kucharski@oracle.com>
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Add some notes about how this function needs to be called.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: William Kucharski <william.kucharski@oracle.com>
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Move the PG_uptodate documentation to be documentation for
folio_test_uptodate() and expand on it a little.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: William Kucharski <william.kucharski@oracle.com>
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This gets the statistics correct for large folios by modifying the
counters by the number of pages in the folio instead of by 1.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: William Kucharski <william.kucharski@oracle.com>
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Pages are individually marked as suffering from hardware poisoning.
Checking that the head page is not hardware poisoned doesn't make
sense; we might be after a subpage. We check each page individually
before we use it, so this was an optimisation gone wrong.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: William Kucharski <william.kucharski@oracle.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux
Pull perf tools fixes from Arnaldo Carvalho de Melo:
- Fix TUI exit screen refresh race condition in 'perf top'.
- Fix parsing of Intel PT VM time correlation arguments.
- Honour CPU filtering command line request of a script's switch events
in 'perf script'.
- Fix printing of switch events in Intel PT python script.
- Fix duplicate alias events list printing in 'perf list', noticed on
heterogeneous arm64 systems.
- Fix return value of ids__new(), users expect NULL for failure, not
ERR_PTR(-ENOMEM).
* tag 'perf-tools-fixes-for-v5.16-2022-01-02' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux:
perf top: Fix TUI exit screen refresh race condition
perf pmu: Fix alias events list
perf scripts python: intel-pt-events.py: Fix printing of switch events
perf script: Fix CPU filtering of a script's switch events
perf intel-pt: Fix parsing of VM time correlation arguments
perf expr: Fix return value of ids__new()
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Colin Foster says:
====================
lynx pcs interface cleanup
The current Felix driver (and Seville) rely directly on the lynx_pcs
device. There are other possible PCS interfaces that can be used with
this hardware, so this should be abstracted from felix. The generic
phylink_pcs is used instead.
While going through the code, there were some opportunities to change
some misleading variable names. Those are included in this patch set.
v1->v2
* compile-time fixes for freescale parts
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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pcs-lynx.c used lynx_pcs and lynx as a variable name within the same file.
This standardizes all internal variables to just "lynx"
Signed-off-by: Colin Foster <colin.foster@in-advantage.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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A simple variable update from "pcs" to "mdio_device" for the mdio device
will make things a little cleaner.
Signed-off-by: Colin Foster <colin.foster@in-advantage.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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A simple variable update from "pcs" to "mdio_device" for the mdio device
will make things a little cleaner.
Signed-off-by: Colin Foster <colin.foster@in-advantage.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Simple rename of a variable to make things more logical.
Signed-off-by: Colin Foster <colin.foster@in-advantage.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Remove references to lynx_pcs structures so drivers like the Felix DSA
can reference alternate PCS drivers.
Signed-off-by: Colin Foster <colin.foster@in-advantage.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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commit 26eee0210ad7 ("net/fsl: fix a bug in xgmac_mdio") fixed a bug in
the QorIQ mdio driver but left the (now unused) incorrect bit definition
for MDIO_DATA_BSY in the code. This commit removes it.
Signed-off-by: Markus Koch <markus@notsyncing.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
"Better input validation for compat ioctls and a documentation bugfix
for 5.16"
* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
Docs: Fixes link to I2C specification
i2c: validate user data in compat ioctl
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As the only user of pcmcia_release_io() is not interested in its return
value, and we cannot do anything on failure, convert the function to return
void.
Reported-by: Jason Wang <wangborong@cdjrlc.com>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
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nonstatic_find_mem_region()
In nonstatic_find_mem_region(), pcmcia_make_resource() is assigned to
res and used in pci_bus_alloc_resource(). There a dereference of res
in pci_bus_alloc_resource(), which could lead to a NULL pointer
dereference on failure of pcmcia_make_resource().
Fix this bug by adding a check of res.
This bug was found by a static analyzer. The analysis employs
differential checking to identify inconsistent security operations
(e.g., checks or kfrees) between two code paths and confirms that the
inconsistent operations are not recovered in the current function or
the callers, so they constitute bugs.
Note that, as a bug found by static analysis, it can be a false
positive or hard to trigger. Multiple researchers have cross-reviewed
the bug.
Builds with CONFIG_PCCARD_NONSTATIC=y show no new warnings,
and our static analyzer no longer warns about this code.
Fixes: 49b1153adfe1 ("pcmcia: move all pcmcia_resource_ops providers into one module")
Signed-off-by: Zhou Qingyang <zhou1615@umn.edu>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
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__nonstatic_find_io_region()
In __nonstatic_find_io_region(), pcmcia_make_resource() is assigned to
res and used in pci_bus_alloc_resource(). There is a dereference of res
in pci_bus_alloc_resource(), which could lead to a NULL pointer
dereference on failure of pcmcia_make_resource().
Fix this bug by adding a check of res.
This bug was found by a static analyzer. The analysis employs
differential checking to identify inconsistent security operations
(e.g., checks or kfrees) between two code paths and confirms that the
inconsistent operations are not recovered in the current function or
the callers, so they constitute bugs.
Note that, as a bug found by static analysis, it can be a false
positive or hard to trigger. Multiple researchers have cross-reviewed
the bug.
Builds with CONFIG_PCCARD_NONSTATIC=y show no new warnings,
and our static analyzer no longer warns about this code.
Fixes: 49b1153adfe1 ("pcmcia: move all pcmcia_resource_ops providers into one module")
Signed-off-by: Zhou Qingyang <zhou1615@umn.edu>
[linux@dominikbrodowski.net: Fix typo in commit message]
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
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The exca_readw() function is currently unused; therefore, comment it out.
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
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Use the helper macro SET_NOIRQ_SYSTEM_SLEEP_PM_OPS() instead of
the verbose operators ".suspend_noirq /.resume_noirq/.freeze_noirq/
.thaw_noirq/.poweroff_noirq/.restore_noirq", because the
SET_NOIRQ_SYSTEM_SLEEP_PM_OPS() is a nice helper macro that could
be brought in to make code a little clearer, a little more concise.
Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
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Commit 9d3239147d6d ("ARM: pxa: remove Compulab pxa2xx boards") removes
the config MACH_ARMCORE in ./arch/arm/mach-pxa/Kconfig.
Hence, ./scripts/checkkconfigsymbols.py warns on non-existing configs:
MACH_ARMCORE
Referencing files: drivers/pcmcia/Kconfig, drivers/pcmcia/Makefile
Clean up the dead remains of pcmcia drivers for Compulab pxa2xx boards.
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fix from Borislav Petkov:
- Use the proper CONFIG symbol in a preprocessor check.
* tag 'x86_urgent_for_v5.16_rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/build: Use the proper name CONFIG_FW_LOADER
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In [1], Christoph Hellwig has proposed to remove the wrappers in
include/linux/pci-dma-compat.h.
Some reasons why this API should be removed have been given by Julia
Lawall in [2].
A coccinelle script has been used to perform the needed transformation
Only relevant parts are given below.
@@
expression e1, e2;
@@
- pci_dma_mapping_error(e1, e2)
+ dma_mapping_error(&e1->dev, e2)
[1]: https://lore.kernel.org/kernel-janitors/20200421081257.GA131897@infradead.org/
[2]: https://lore.kernel.org/kernel-janitors/alpine.DEB.2.22.394.2007120902170.2424@hadrien/
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use dma_set_mask_and_coherent() instead of unrolling it with some
dma_set_mask()+dma_set_coherent_mask().
Moreover, as stated in [1], dma_set_mask() with a 64-bit mask will never
fail if dev->dma_mask is non-NULL.
So, if it fails, the 32 bits case will also fail for the same reason.
Simplify code and remove some dead code accordingly.
Now that qed_set_coherency_mask() is mostly a single call to
dma_set_mask_and_coherent(), fold it in its only caller.
[1]: https://lkml.org/lkml/2021/6/7/398
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use dma_set_mask_and_coherent() instead of unrolling it with some
dma_set_mask()+dma_set_coherent_mask().
Moreover, as stated in [1], dma_set_mask() with a 64-bit mask will never
fail if dev->dma_mask is non-NULL.
So, if it fails, the 32 bits case will also fail for the same reason.
That said, 'pci_using_dac' can only be 1 after a successful
dma_set_mask_and_coherent().
Simplify code and remove some dead code accordingly.
[1]: https://lkml.org/lkml/2021/6/7/398
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use dma_set_mask_and_coherent() instead of unrolling it with some
dma_set_mask()+dma_set_coherent_mask().
Moreover, as stated in [1], dma_set_mask() with a 64-bit mask will never
fail if dev->dma_mask is non-NULL.
So, if it fails, the 32 bits case will also fail for the same reason.
That said, 'pci_using_dac' can only be 1 after a successful
dma_set_mask_and_coherent().
Simplify code and remove some dead code accordingly.
[1]: https://lkml.org/lkml/2021/6/7/398
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Hytera makes a range of digital (DMR) radios. These radios can be
programmed to a allow a computer to control them over Ethernet over USB,
either using NCM or RNDIS.
This commit adds support for RNDIS for Hytera radios. I tested with a
Hytera PD785 and a Hytera MD785G. When these radios are programmed to
set up a Radio to PC Network using RNDIS, an USB interface will be added
with class 2 (Communications), subclass 2 (Abstract Modem Control) and
an interface protocol of 255 ("vendor specific" - lsusb even hints "MSFT
RNDIS?").
This patch is similar to the solution of this StackOverflow user, but
that only works for the Hytera MD785:
https://stackoverflow.com/a/53550858
To use the "Radio to PC Network" functionality of Hytera DMR radios, the
radios need to be programmed correctly in CPS (Hytera's Customer
Programming Software). "Forward to PC" should be checked in "Network"
(under "General Setting" in "Conventional") and the "USB Network
Communication Protocol" should be set to RNDIS.
Signed-off-by: Thomas Toye <thomas@toye.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
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