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The combinations of an error check with an ERR_PTR return and a lookup
with a NULL return leads to ugly handling of the return values in the
callers. Just open coding the check and the lookup is much simpler.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Andreas Herrmann <aherrmann@suse.de>
Acked-by: Tejun Heo <tj@kernel.org>
Link: https://lore.kernel.org/r/20220921180501.1539876-6-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Add a fully inlined blkg_lookup as the extra two checks aren't going
to generated a lot more code vs the call to the slowpath routine, and
open code the hint update in the two callers that care.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Andreas Herrmann <aherrmann@suse.de>
Acked-by: Tejun Heo <tj@kernel.org>
Link: https://lore.kernel.org/r/20220921180501.1539876-5-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Use blkg_lookup instead of open coding it.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Andreas Herrmann <aherrmann@suse.de>
Acked-by: Tejun Heo <tj@kernel.org>
Link: https://lore.kernel.org/r/20220921180501.1539876-4-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Just open code it in the only caller and drop the unused !BLK_CGROUP
stub.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Andreas Herrmann <aherrmann@suse.de>
Acked-by: Tejun Heo <tj@kernel.org>
Link: https://lore.kernel.org/r/20220921180501.1539876-3-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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When blk_throtl_init fails, we need to call blk_ioprio_exit. Switch to
proper goto based unwinding to fix this.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Andreas Herrmann <aherrmann@suse.de>
Acked-by: Tejun Heo <tj@kernel.org>
Link: https://lore.kernel.org/r/20220921180501.1539876-2-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Sean Anderson says:
====================
net: sunhme: Cleanups and logging improvements
This series is a continuation of [1] with a focus on logging improvements (in
the style of commit b11e5f6a3a5c ("net: sunhme: output link status with a single
print.")). I have included several of Rolf's patches in the series where
appropriate (with slight modifications). After this series is applied, many more
messages from this driver will come with driver/device information.
Additionally, most messages (especially debug messages) have been condensed onto
one line (as KERN_CONT messages get split).
[1] https://lore.kernel.org/netdev/4686583.GXAFRqVoOG@eto.sf-tec.de/
====================
Link: https://lore.kernel.org/r/20220924015339.1816744-1-seanga2@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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I have the hardware so at the very least I can test things.
Signed-off-by: Sean Anderson <seanga2@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The SXD, TXD, and RXD macros are used only once (or twice). Just use the
vdbg print, which seems to have been devised for these sorts of very
verbose messages.
Signed-off-by: Sean Anderson <seanga2@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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This driver seems to have been written under the assumption that messages
can be continued arbitrarily. I'm not when this changed (if ever), but such
ad-hoc continuations are liable to be rudely interrupted. Convert all such
instances to single prints. This loses a bit of timing information (such as
when a line was constructed piecemeal as the function executed), but it's
easy to add a few prints if necessary. This also adds newlines to the ends
of any prints without them.
Since (almost every) debug print included the name of the function, include
it automatically.
Signed-off-by: Sean Anderson <seanga2@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Wherever possible, use the associated netdev (or device) when printing
errors or other messages. This makes it immediately clear what device
caused the error, and provides more information than just the device name.
Signed-off-by: Sean Anderson <seanga2@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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This is a mostly-mechanical translation of the existing printks into
pr_foos. In several places, I have pasted messages which were broken over
several lines to allow for easier grepping.
Signed-off-by: Sean Anderson <seanga2@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Remove all the single-use debug conditionals, and just collect the debug
defines at the top of the file. HMD seems like it is used for general debug
info, so just redefine it as pr_debug. Additionally, instead of using the
default loglevel, use the debug loglevel for debugging.
Signed-off-by: Sean Anderson <seanga2@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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With the power of variadic macros, double parentheses are unnecessary.
Signed-off-by: Sean Anderson <seanga2@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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This not only removes a lot of code, it also fixes the memleak of the DMA
memory when register_netdev() fails.
Signed-off-by: Rolf Eike Beer <eike-kernel@sf-tec.de>
[ rebased onto net-next/master; fixed error reporting ]
Signed-off-by: Sean Anderson <seanga2@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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This fixes several error paths to ensure they return an appropriate error
(instead of ENODEV).
Signed-off-by: Sean Anderson <seanga2@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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In order to differentiate between a missing bridge and an OOM condition,
return ERR_PTRs from quattro_pci_find. This also does some general linting
in the area.
Signed-off-by: Sean Anderson <seanga2@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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This already returns a proper error value, so pass it to the caller.
Signed-off-by: Rolf Eike Beer <eike-kernel@sf-tec.de>
Signed-off-by: Sean Anderson <seanga2@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Module versions are not very useful:
> The basic problem is, the version string does not identify the sources
> with enough accuracy. It says nothing about back ported fixes in
> stable kernels. It tells you nothing about vendor patches to the
> network core, etc.
https://lore.kernel.org/all/Yf6mtvA1zO7cdzr7@lunn.ch/
While we're at it, inline the author and use the driver name a bit more.
Signed-off-by: Sean Anderson <seanga2@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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I can't find a reference to it in the entire git history.
Signed-off-by: Rolf Eike Beer <eike-kernel@sf-tec.de>
Signed-off-by: Sean Anderson <seanga2@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Yang Yingliang says:
====================
net: dsa: remove unnecessary i2c_set_clientdata()
This patchset https://lore.kernel.org/all/20220921140524.3831101-8-yangyingliang@huawei.com/T/
removed all set_drvdata(NULL) in driver remove function.
i2c_set_clientdata() is another wrapper of set drvdata function, to follow
the same convention, remove i2c_set_clientdata() called in driver remove
function in drivers/net/dsa/.
====================
Link: https://lore.kernel.org/r/20220923143742.87093-1-yangyingliang@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Remove unnecessary i2c_set_clientdata() in ->remove(), the driver_data
will be set to NULL in device_unbind_cleanup() after calling ->remove().
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Remove unnecessary i2c_set_clientdata() in ->remove(), the driver_data
will be set to NULL in device_unbind_cleanup() after calling ->remove().
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Remove unnecessary i2c_set_clientdata() in ->remove(), the driver_data
will be set to NULL in device_unbind_cleanup() after calling ->remove().
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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If a retry io_setup_async_rw() fails we lose result from the first
io_iter_do_read(), which is a problem mostly for streams/sockets.
Cc: stable@vger.kernel.org
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/0e8d20cebe5fc9c96ed268463c394237daabc384.1664235732.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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req->cqe.res is set in io_read() to the amount of bytes left to be done,
which is used to figure out whether to fail a read or not. However,
io_read() may do another without returning, and we stash the previous
value into ->bytes_done but forget to update cqe.res. Then we ask a read
to do strictly less than cqe.res but expect the return to be exactly
cqe.res.
Fix the bug by updating cqe.res for retries.
Cc: stable@vger.kernel.org
Reported-and-Tested-by: Beld Zhang <beldzhang@gmail.com>
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/3a1088440c7be98e5800267af922a67da0ef9f13.1664235732.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Commit 1527f69204fe ("ata: ahci: Add Green Sardine vendor ID as
board_ahci_mobile") added an explicit entry for AMD Green Sardine
AHCI controller using the board_ahci_mobile configuration (this
configuration has later been renamed to board_ahci_low_power).
The board_ahci_low_power configuration enables support for low power
modes.
This explicit entry takes precedence over the generic AHCI controller
entry, which does not enable support for low power modes.
Therefore, when commit 1527f69204fe ("ata: ahci: Add Green Sardine
vendor ID as board_ahci_mobile") was backported to stable kernels,
it make some Pioneer optical drives, which was working perfectly fine
before the commit was backported, stop working.
The real problem is that the Pioneer optical drives do not handle low
power modes correctly. If these optical drives would have been tested
on another AHCI controller using the board_ahci_low_power configuration,
this issue would have been detected earlier.
Unfortunately, the board_ahci_low_power configuration is only used in
less than 15% of the total AHCI controller entries, so many devices
have never been tested with an AHCI controller with low power modes.
Fixes: 1527f69204fe ("ata: ahci: Add Green Sardine vendor ID as board_ahci_mobile")
Cc: stable@vger.kernel.org
Reported-by: Jaap Berkhout <j.j.berkhout@staalenberk.nl>
Signed-off-by: Niklas Cassel <niklas.cassel@wdc.com>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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Declarations for static symbols are useless code repetition (unless
there are cyclic dependencies).
Reorder some functions and variables which allows to get rid of 7
forward declarations.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20220926153946.1478260-1-u.kleine-koenig@pengutronix.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Dave Hansen:
- A performance fix for recent large AMD systems that avoids an ancient
cpu idle hardware workaround
- A new Intel model number. Folks like these upstream as soon as
possible so that each developer doing feature development doesn't
need to carry their own #define
- SGX fixes for a userspace crash and a rare kernel warning
* tag 'x86_urgent_for_v6.0-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
ACPI: processor idle: Practically limit "Dummy wait" workaround to old Intel systems
x86/sgx: Handle VA page allocation failure for EAUG on PF.
x86/sgx: Do not fail on incomplete sanitization on premature stop of ksgxd
x86/cpu: Add CPU model numbers for Meteor Lake
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A recent change affecting the behaviour of phys_to_dma() to
actually require the device tree ranges to work unmasked a
bug in the Integrator DMA ranges.
The PL110 uses the CMA allocator to obtain coherent allocations
from a dedicated 1MB video memory, leading to the following
call chain:
drm_gem_cma_create()
dma_alloc_attrs()
dma_alloc_from_dev_coherent()
__dma_alloc_from_coherent()
dma_get_device_base()
phys_to_dma()
translate_phys_to_dma()
phys_to_dma() by way of translate_phys_to_dma() will nowadays not
provide 1:1 mappings unless the ranges are properly defined in
the device tree and reflected into the dev->dma_range_map.
There is a bug in the device trees because the DMA ranges are
incorrectly specified, and the patch uncovers this bug.
Solution:
- Fix the LB (logic bus) ranges to be 1-to-1 like they should
have always been.
- Provide a 1:1 dma-ranges attribute to the PL110.
- Mark the PL110 display controller as DMA coherent.
This makes the DMA ranges work right and makes the PL110
framebuffer work again.
Fixes: af6f23b88e95 ("ARM/dma-mapping: use the generic versions of dma_to_phys/phys_to_dma by default")
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20220926073311.1610568-1-linus.walleij@linaro.org'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Remove some goto cruft that serves no purpose and obfuscates the code.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
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Currently, struct efi_boot_memmap is a struct that is passed around
between callers of efi_get_memory_map() and the users of the resulting
data, and which carries pointers to various variables whose values are
provided by the EFI GetMemoryMap() boot service.
This is overly complex, and it is much easier to carry these values in
the struct itself. So turn the struct into one that carries these data
items directly, including a flex array for the variable number of EFI
memory descriptors that the boot service may return.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
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The virt map is a set of efi_memory_desc_t descriptors that are passed
to SetVirtualAddressMap() to inform the firmware about the desired
virtual mapping of the regions marked as EFI_MEMORY_RUNTIME. The only
reason we currently call the efi_get_memory_map() helper is that it
gives us an allocation that is guaranteed to be of sufficient size.
However, efi_get_memory_map() has grown some additional complexity over
the years, and today, we're actually better off calling the EFI boot
service directly with a zero size, which tells us how much memory should
be enough for the virt map.
While at it, avoid creating the VA map allocation if we will not be
using it anyway, i.e., if efi_novamap is true.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
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Practical experience (and advice from Alexei) tell us that bitfields in
structs lead to un-optimized assembly code. I've verified this change
does lead to better x86_64 assembly, both via objdump and playing with
code snippets in godbolt.org.
Using scripts/bloat-o-meter shows the code size is reduced with 24
bytes for xdp_convert_buff_to_frame() that gets inlined e.g. in
i40e_xmit_xdp_tx_ring() which were used for microbenchmarking.
Microbenchmarking results do show improvements, but very small and
varying between 0.5 to 2 nanosec improvement per packet.
The member @metasize is changed from u8 to u32. Future users of this
area could split this into two u16 fields. I've also benchmarked with
two u16 fields showing equal performance gains and code size reduction.
The moved member @frame_sz doesn't change sizeof struct due to existing
padding. Like xdp_buff member @frame_sz is placed next to @flags, which
allows compiler to optimize assignment of these.
Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Link: https://lore.kernel.org/r/166393728005.2213882.4162674859542409548.stgit@firesoul
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull last (?) hotfixes from Andrew Morton:
"26 hotfixes.
8 are for issues which were introduced during this -rc cycle, 18 are
for earlier issues, and are cc:stable"
* tag 'mm-hotfixes-stable-2022-09-26' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (26 commits)
x86/uaccess: avoid check_object_size() in copy_from_user_nmi()
mm/page_isolation: fix isolate_single_pageblock() isolation behavior
mm,hwpoison: check mm when killing accessing process
mm/hugetlb: correct demote page offset logic
mm: prevent page_frag_alloc() from corrupting the memory
mm: bring back update_mmu_cache() to finish_fault()
frontswap: don't call ->init if no ops are registered
mm/huge_memory: use pfn_to_online_page() in split_huge_pages_all()
mm: fix madivse_pageout mishandling on non-LRU page
powerpc/64s/radix: don't need to broadcast IPI for radix pmd collapse flush
mm: gup: fix the fast GUP race against THP collapse
mm: fix dereferencing possible ERR_PTR
vmscan: check folio_test_private(), not folio_get_private()
mm: fix VM_BUG_ON in __delete_from_swap_cache()
tools: fix compilation after gfp_types.h split
mm/damon/dbgfs: fix memory leak when using debugfs_lookup()
mm/migrate_device.c: copy pte dirty bit to page
mm/migrate_device.c: add missing flush_cache_page()
mm/migrate_device.c: flush TLB while holding PTL
x86/mm: disable instrumentations of mm/pgprot.c
...
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Add missing pci_disable_device() if rr_init_one() fails
Signed-off-by: ruanjinjie <ruanjinjie@huawei.com>
Link: https://lore.kernel.org/r/20220923094320.3109154-1-ruanjinjie@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Vladimir Oltean says:
====================
Improve tsn_lib selftests for future distributed tasks
Some of the boards I am working with are limited in the number of ports
that they offer, and as more TSN related selftests are added, it is
important to be able to distribute the work among multiple boards.
A large part of implementing that is ensuring network-wide
synchronization, but also permitting more streams of data to flow
through the network. There is the more important aspect of also
coordinating the timing characteristics of those streams, and that is
also something that is tackled, although not in this modest patch set.
The goal here is not to introduce new selftests yet, but just to lay a
better foundation for them. These patches are a part of the cleanup work
I've done while working on selftests for frame preemption. They are
regression-tested with psfp.sh.
====================
Link: https://lore.kernel.org/r/20220923210016.3406301-1-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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We can make the phc2sys helper not only synchronize a PHC to
CLOCK_REALTIME, which is what it currently does, but also CLOCK_REALTIME
to a PHC, which is going to be needed in distributed TSN tests.
Instead of making the complexity of the arguments passed to
phc2sys_start() explode, we can let it figure out the sync direction
automatically, based on ptp4l's port states.
Towards that goal, pass just the path to the desired ptp4l instance's
UNIX domain socket, and remove the $if_name argument (from which it
derives the PHC). Also adapt the one caller from the ocelot psfp.sh
test. In the case of psfp.sh, phc2sys_start is able to properly figure
out that CLOCK_REALTIME is the source clock and swp1's PHC is the
destination, because of the way in which ptp4l_start for the
UDS_ADDRESS_SWP1 was called: with slave_only=false, so it will always
win the BMCA and always become the sync master between itself and $h1.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Kurt Kanzenbach <kurt@linutronix.de>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Move the PID variable for the isochron receiver into a separate
namespace per stats port, to allow multiple receivers (and/or
orchestration daemons) to be instantiated by the same script.
Preserve the existing behavior by making isochron_do() use the default
stats TCP port of 5000.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Kurt Kanzenbach <kurt@linutronix.de>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Switch ports will want to act as Boundary Clocks, which are configured
using ptp4l by specifying the "-i" argument multiple times.
Since we track a log file and a pid file for each ptp4l instance, and we
want to be compatible with the existing single-port callers of
ptp4l_start and ptp4l_stop, pass the interface list as a single string
of space-separated values. Based on this, we create a label for each
ptp4l instance, where the spaces are replaced with underscores
(ptp4l_start "eth0 eth1" generates "ptp4l_pid_eth0_eth1").
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Kurt Kanzenbach <kurt@linutronix.de>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The extra_args argument ($3) of isochron_recv_start is overwritten with
uds ($2), if that argument exists.
This is currently not a problem, because the only TSN selftest
(ocelot/psfp.sh) omits remote sync so it does not specify to the
receiver a UNIX domain socket for ptp4l. So $uds is currently an empty
string.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Kurt Kanzenbach <kurt@linutronix.de>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The devm_ioremap() function returns NULL on error, it doesn't return
error pointers.
Fixes: 3a1a274e933f ("mlxbf_gige: compute MDIO period based on i1clk")
Signed-off-by: Peng Wu <wupeng58@huawei.com>
Link: https://lore.kernel.org/r/20220923023640.116057-1-wupeng58@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The label passed to the QDESC_GET for the ETHOFLD TXQ, RXQ, and FLQ, is the
'out' one, which skips the 'out_unlock' label, and thus doesn't unlock the
'uld_mutex' before returning. Additionally, since commit 5148e5950c67
("cxgb4: add EOTID tracking and software context dump"), the access to
these ETHOFLD hardware queues should be protected by the 'mqprio_mutex'
instead.
Fixes: 2d0cb84dd973 ("cxgb4: add ETHOFLD hardware queue support")
Fixes: 5148e5950c67 ("cxgb4: add EOTID tracking and software context dump")
Signed-off-by: Rafael Mendonca <rafaelmendsr@gmail.com>
Reviewed-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
Link: https://lore.kernel.org/r/20220922175109.764898-1-rafaelmendsr@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull missed ext4 fix from Ted Ts'o:
"Fix an potential unitialzied variable bug; this was a fixup that I had
forgotten to apply before the last pull request for ext4. My bad"
* tag 'ext4_for_linus_fixes2' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
ext4: fixup possible uninitialized variable access in ext4_mb_choose_next_group_cr1()
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This patch adds missing MODULE_DEVICE_TABLE definition which generates
correct modalias for automatic loading of this driver when it is built
as an external module.
Fixes: bc93e19d088b ("net: ethernet: adi: Add ADIN1110 support")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20220922070438.586692-1-yangyingliang@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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SPI devices use the spi_device_id for module autoloading even on
systems using device tree, after commit 5fa6863ba692 ("spi: Check
we have a spi_device_id for each DT compatible"), kernel warns as
follows since the spi_device_id is missing:
SPI driver mse102x has no spi_device_id for vertexcom,mse1021
SPI driver mse102x has no spi_device_id for vertexcom,mse1022
Add spi_device_id entries to silence the warnings, and ensure driver
module autoloading works.
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Link: https://lore.kernel.org/r/20220922065717.1448498-1-weiyongjun@huaweicloud.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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In case of error, the function get_phy_device() returns ERR_PTR()
and never returns NULL. The NULL test in the return value check
should be replaced with IS_ERR().
Fixes: bc93e19d088b ("net: ethernet: adi: Add ADIN1110 support")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Link: https://lore.kernel.org/r/20220922021023.811581-1-weiyongjun@huaweicloud.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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'net-dsa-microchip-ksz9477-enable-interrupt-for-internal-phy-link-detection'
Arun Ramadoss says:
====================
net: dsa: microchip: ksz9477: enable interrupt for internal phy link detection
This patch series implements the common interrupt handling for ksz9477 based
switches and lan937x. The ksz9477 and lan937x has similar interrupt registers
except ksz9477 has 4 port based interrupts whereas lan937x has 6 interrupts.
The patch moves the phy interrupt hanler implemented in lan937x_main.c to
ksz_common.c, along with the mdio_register functionality.
====================
Link: https://lore.kernel.org/r/20220922071028.18012-1-arun.ramadoss@microchip.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Config_intr and handle_interrupt are enabled for ksz9477 phy. It is
similar to all other phys in the micrel phys.
Signed-off-by: Arun Ramadoss <arun.ramadoss@microchip.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The global port interrupt routines and individual ports interrupt
routines has similar implementation except the mask & status register
and number of nested irqs in them. The mask & status register and
pointer to ksz_device is added to ksz_irq and uses the ksz_irq as
irq_chip_data.
Signed-off-by: Arun Ramadoss <arun.ramadoss@microchip.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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To support the phy link detection through interrupt method for ksz9477
based switch, the interrupt handling routines are moved from
lan937x_main.c to ksz_common.c. The only changes made are functions
names are prefixed with ksz_ instead of lan937x_.
Signed-off-by: Arun Ramadoss <arun.ramadoss@microchip.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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