After a CPLD shutdown event the device becomes unusable. Prevent further
device access once this event is received.
Signed-off-by: Konstantin Sinyuk <konstantin.sinyuk@intel.com>
Reviewed-by: Koby Elbaz <koby.elbaz@intel.com>
Signed-off-by: Koby Elbaz <koby.elbaz@intel.com>
In hl_release_dmabuf(), ctx is dereferenced after calling hl_ctx_put()
to obtain the compute device file.
This is safe because the dma-buf object holds a file reference taken in
export_dmabuf(), and the file release (which drops another ctx reference)
can only happen after we drop that file reference via fput(). Thus, this
hl_ctx_put() call cannot be the last one at this point.
Add a comment explaining this to avoid confusion.
Signed-off-by: Tomer Tayar <tomer.tayar@intel.com>
Reviewed-by: Koby Elbaz <koby.elbaz@intel.com>
Signed-off-by: Koby Elbaz <koby.elbaz@intel.com>
Add infrastructure for logging the last configuration register accesses
that occur via debugfs read/write operations. At interrupt time, these
log entries can be dumped to dmesg, which helps in diagnosing the cause
of RAZWI and ADDR_DEC interrupts.
The logging is implemented as a ring buffer of access entries, with each
entry recording timestamp and access details. To ensure correctness
under concurrent access, operations are now protected using spinlocks.
Entries are copied under lock and then printed after releasing it, which
minimizes time spent in the critical section.
Signed-off-by: Sharley Calzolari <sharley.calzolari@intel.com>
Reviewed-by: Koby Elbaz <koby.elbaz@intel.com>
Signed-off-by: Koby Elbaz <koby.elbaz@intel.com>
Add a new CPUCP generic message type to retrieve HBM, SRAM and critical
error counters from the device.
Signed-off-by: Vitaly Margolin <vitaly.margolin@intel.com>
Reviewed-by: Koby Elbaz <koby.elbaz@intel.com>
Signed-off-by: Koby Elbaz <koby.elbaz@intel.com>
Change the BMON_CR register value back to its original state before
enabling, so that BMON does not continue to collect information
after being disabled.
Signed-off-by: Vered Yavniely <vered.yavniely@intel.com>
Reviewed-by: Koby Elbaz <koby.elbaz@intel.com>
Signed-off-by: Koby Elbaz <koby.elbaz@intel.com>
EFAULT is currently returned if less than requested user pages are
pinned. This value means a "bad address" which might be confusing to
the user, as the address of the given user memory is not necessarily
"bad".
Modify the return value to ENOMEM, as "out of memory" is more suitable
in this case.
Signed-off-by: Tomer Tayar <tomer.tayar@intel.com>
Reviewed-by: Koby Elbaz <koby.elbaz@intel.com>
Signed-off-by: Koby Elbaz <koby.elbaz@intel.com>
The commit c2c60ea37e ("once: use __section(".data.once")") moved
DO_ONCE's ___done variable to .data.once section, which conflicts with
DO_ONCE_LITE() that also uses the same section.
This creates a race condition when clear_warn_once is used:
Thread 1 (DO_ONCE) Thread 2 (DO_ONCE)
__do_once_start
read ___done (false)
acquire once_lock
execute func
__do_once_done
write ___done (true) __do_once_start
release once_lock // Thread 3 clear_warn_once reset ___done
read ___done (false)
acquire once_lock
execute func
schedule once_work __do_once_done
once_deferred: OK write ___done (true)
static_branch_disable release once_lock
schedule once_work
once_deferred:
BUG_ON(!static_key_enabled)
DO_ONCE_LITE() in once_lite.h is used by WARN_ON_ONCE() and other warning
macros. Keep its ___done flag in the .data..once section and allow resetting
by clear_warn_once, as originally intended.
In contrast, DO_ONCE() is used for functions like get_random_once() and
relies on its ___done flag for internal synchronization. We should not reset
DO_ONCE() by clear_warn_once.
Fix it by isolating DO_ONCE's ___done into a separate .data..do_once section,
shielding it from clear_warn_once.
Fixes: c2c60ea37e ("once: use __section(".data.once")")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Qi Xi <xiqi2@huawei.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
'Resin' (*Res*et *In*put) is usually connected to a volume down button
on devices, which is usually not expected to wake up the device from
suspend.
On the other hand, pwrkey should keep wakeup on. So do not enable wakeup
for resin unless the "wakeup-source" property is specified in
devicetree.
Note, that this does change behavior by turning off wakeup by default
for 'resin' and requiring a new dt property to be added to turn it on
again. But since this is not expected behavior in the first place, and
most users will not expect this, I'd argue this change is acceptable.
Signed-off-by: Luca Weiss <luca@lucaweiss.eu>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20250909-resin-wakeup-v1-2-46159940e02b@lucaweiss.eu
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
The 'resin' keys (usually connected to a volume-down button) are
generally not supposed to wake up the device from suspend, so explicitly
document a wakeup-source property to enable this wakeup behavior.
For 'pwrkey' the default stays that pressing the button does wake up the
device from suspend.
Signed-off-by: Luca Weiss <luca@lucaweiss.eu>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20250909-resin-wakeup-v1-1-46159940e02b@lucaweiss.eu
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Introduce support for the Hynitron CST816x series touchscreen controller
used for 240×240 1.28-inch Round LCD Display Module manufactured
by Waveshare Electronics. The driver is designed based on an Arduino
implementation marked as under MIT License. This driver is written
for a particular round display based on the CST816S controller, which
is not compatiable with existing driver for Hynitron controllers.
Signed-off-by: Oleh Kuzhylnyi <kuzhylol@gmail.com>
Link: https://lore.kernel.org/r/20250921125939.249788-2-kuzhylol@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
It is already performed in z_erofs_map_blocks_fo().
Also align the error message with that used for the uncompressed
inline layout.
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Add support for reading to the erofs volume label from the
FS_IOC_GETFSLABEL ioctls.
Signed-off-by: Bo Liu (OpenAnolis) <liubo03@inspur.com>
Reviewed-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Reviewed-by: Hongbo Li <lihongbo22@huawei.com>
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
I'm relinquishing my maintainer position on the different FC elements.
I am updating them to the Emulex folk that have been watching over them
for a while.
Signed-off-by: James Smart <jsmart2021@gmail.com>
Message-Id: <20250923153857.100616-1-jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Ranjan Kumar <ranjan.kumar@broadcom.com> says:
Few Enhancements and minor fixes of mpt3sas driver.
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Updated driver version to 54.100.00.00.
Signed-off-by: Ranjan Kumar <ranjan.kumar@broadcom.com>
Message-Id: <20250922095113.281484-5-ranjan.kumar@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Add handling for MPI26_SAS_NEG_LINK_RATE_22_5 in
_transport_convert_phy_link_rate(). This maps the new 22.5 Gbps
negotiated rate to SAS_LINK_RATE_22_5_GBPS, to get correct PHY link
speeds.
Signed-off-by: Ranjan Kumar <ranjan.kumar@broadcom.com>
Message-Id: <20250922095113.281484-4-ranjan.kumar@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Avoid unconditional IOCLogInfo prints for CONFIG_INVALID_PAGE. Log only
if MPT_DEBUG_REPLY is enabled or when loginfo represents other
errors. This reduces uncessary logging without losing useful error
reporting.
Signed-off-by: Ranjan Kumar <ranjan.kumar@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Ram Kumar Dwivedi <quic_rdwivedi@quicinc.com> says:
This patch series adds support for limiting the maximum high-speed
gear and rate used by the UFS controller via device tree properties.
Some platforms may have signal integrity, clock configuration, or
layout issues that prevent reliable operation at higher gears or
rates. This is especially critical in automotive and other platforms
where stability is prioritized over peak performance.
The series follows this logical progression:
1. Document the new DT properties in the common UFS binding
2. Clean up existing redundant code in the qcom driver
3. Add platform-level parsing support for the new properties
4. Integrate the platform support in the qcom driver
This approach makes the functionality available to other UFS host
drivers and provides a cleaner, more maintainable implementation.
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Add support to limit Tx/Rx gear and rate during UFS initialization based
on DT property.
Also update the phy_gear to ensure PHY calibrations align with the
required gear and rate.
Signed-off-by: Ram Kumar Dwivedi <quic_rdwivedi@quicinc.com>
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Introduce parsing of 'limit-hs-gear' and 'limit-gear-rate' device tree
properties to restrict high-speed gear and rate during initialization.
This is useful in cases where the customer board may have signal
integrity, clock configuration or layout issues that prevent reliable
operation at higher gears. Such limitations are especially critical in
those platforms, where stability is prioritized over peak performance.
Co-developed-by: Nitin Rawat <quic_nitirawa@quicinc.com>
Signed-off-by: Nitin Rawat <quic_nitirawa@quicinc.com>
Signed-off-by: Ram Kumar Dwivedi <quic_rdwivedi@quicinc.com>
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Remove the redundant else block that assigns PA_HS_MODE_B to hs_rate, as
it is already assigned in ufshcd_init_host_params(). This avoids
unnecessary reassignment and prevents overwriting hs_rate when it is
explicitly set to a different value.
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Signed-off-by: Ram Kumar Dwivedi <quic_rdwivedi@quicinc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Add optional "limit-hs-gear" and "limit-rate" properties to the UFS
controller common binding. These properties allow limiting the maximum
HS gear and rate.
This is useful in cases where the customer board may have signal
integrity, clock configuration or layout issues that prevent reliable
operation at higher gears. Such limitations are especially critical in
those platforms, where stability is prioritized over peak performance.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Ram Kumar Dwivedi <quic_rdwivedi@quicinc.com>
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
- fprobe: Even if there is a memory allocation failure, try to remove
the addresses recorded until then from the filter. Previously we
just skip it.
- tracing: dynevent: Add a missing lockdown check on dynevent. This
dynevent is the interface for all probe events. Thus if there is no
check, any probe events can be added after lock down the tracefs.
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Merge tag 'probes-fixes-v6.17-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull probes fixes from Masami Hiramatsu:
- fprobe: Even if there is a memory allocation failure, try to remove
the addresses recorded until then from the filter. Previously we just
skipped it.
- tracing: dynevent: Add a missing lockdown check on dynevent. This
dynevent is the interface for all probe events. Thus if there is no
check, any probe events can be added after lock down the tracefs.
* tag 'probes-fixes-v6.17-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
tracing: dynevent: Add a missing lockdown check on dynevent
tracing: fprobe: Fix to remove recorded module addresses from filter
The cpu_latency_qos_add/remove/update_request interfaces lack internal
synchronization by design, requiring the caller to ensure thread safety.
The current implementation relies on the 'pm_qos_enabled' flag, which is
insufficient to prevent concurrent access and cannot serve as a proper
synchronization mechanism. This has led to data races and list
corruption issues.
A typical race condition call trace is:
[Thread A]
ufshcd_pm_qos_exit()
--> cpu_latency_qos_remove_request()
--> cpu_latency_qos_apply();
--> pm_qos_update_target()
--> plist_del <--(1) delete plist node
--> memset(req, 0, sizeof(*req));
--> hba->pm_qos_enabled = false;
[Thread B]
ufshcd_devfreq_target
--> ufshcd_devfreq_scale
--> ufshcd_scale_clks
--> ufshcd_pm_qos_update <--(2) pm_qos_enabled is true
--> cpu_latency_qos_update_request
--> pm_qos_update_target
--> plist_del <--(3) plist node use-after-free
Introduces a dedicated mutex to serialize PM QoS operations, preventing
data races and ensuring safe access to PM QoS resources, including sysfs
interface reads.
Fixes: 2777e73fc1 ("scsi: ufs: core: Add CPU latency QoS support for UFS driver")
Signed-off-by: Zhongqiu Han <zhongqiu.han@oss.qualcomm.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Tested-by: Huan Tang <tanghuan@vivo.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
The fc_ct_ms_fill() helper currently formats the OS name and version
into entry->value using "%s v%s". Since init_utsname()->sysname and
->release are unbounded strings, snprintf() may attempt to write more
than FC_FDMI_HBA_ATTR_OSNAMEVERSION_LEN bytes, triggering a
-Wformat-truncation warning with W=1.
In file included from drivers/scsi/libfc/fc_elsct.c:18:
drivers/scsi/libfc/fc_encode.h: In function ‘fc_ct_ms_fill.constprop’:
drivers/scsi/libfc/fc_encode.h:359:30: error: ‘%s’ directive output may
be truncated writing up to 64 bytes into a region of size between 62
and 126 [-Werror=format-truncation=]
359 | "%s v%s",
| ^~
360 | init_utsname()->sysname,
361 | init_utsname()->release);
| ~~~~~~~~~~~~~~~~~~~~~~~
drivers/scsi/libfc/fc_encode.h:357:17: note: ‘snprintf’ output between
3 and 131 bytes into a destination of size 128
357 | snprintf((char *)&entry->value,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
358 | FC_FDMI_HBA_ATTR_OSNAMEVERSION_LEN,
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
359 | "%s v%s",
| ~~~~~~~~~
360 | init_utsname()->sysname,
| ~~~~~~~~~~~~~~~~~~~~~~~~
361 | init_utsname()->release);
| ~~~~~~~~~~~~~~~~~~~~~~~~
Fix this by using "%.62s v%.62s", which ensures sysname and release are
truncated to fit within the 128-byte field defined by
FC_FDMI_HBA_ATTR_OSNAMEVERSION_LEN.
[mkp: clarified commit description]
Signed-off-by: Alok Tiwari <alok.a.tiwari@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Remove redundant ternary operators to clean up the code.
Signed-off-by: Liao Yuanhong <liaoyuanhong@vivo.com>
Reviewed-by: Michael Kelley <mhklinux@outlook.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Move the MCQ interrupt enable process to
ufshcd_mcq_make_queues_operational() to ensure that interrupts are set
correctly when making queues operational, similar to
ufshcd_make_hba_operational(). This change addresses the issue where
ufshcd_mcq_make_queues_operational() was not fully operational due to
missing interrupt enablement.
This change only affects host drivers that call
ufshcd_mcq_make_queues_operational(), i.e. ufs-mediatek.
Signed-off-by: Peter Wang <peter.wang@mediatek.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Replace kmalloc() followed by copy_from_user() with memdup_user() to
simplify and improve pqi_passthru_ioctl().
Since memdup_user() already allocates memory, use kzalloc() in the else
branch instead of manually zeroing 'kernel_buffer' using memset(0).
Return early if an error occurs. No functional changes intended.
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Acked-by: Don Brace <don.brace@microchip.com>
Message-Id: <20250922201832.1697874-2-thorsten.blum@linux.dev>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Replace kmalloc() followed by copy_from_user() with memdup_user() to
improve and simplify hpsa_passthru_ioctl().
Since memdup_user() already allocates memory, use kzalloc() in the else
branch instead of manually zeroing 'buff' using memset(0).
Return early if an error occurs and remove the 'out_kfree' label.
No functional changes intended.
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Acked-by: Don Brace <don.brace@microchip.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Add a mailbox controller driver for the new SBI message proxy extension
which is part of the SBI v3.0 specification.
Acked-by: Jassi Brar <jassisinghbrar@gmail.com>
Co-developed-by: Rahul Pathak <rpathak@ventanamicro.com>
Signed-off-by: Rahul Pathak <rpathak@ventanamicro.com>
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Link: https://lore.kernel.org/r/20250818040920.272664-8-apatel@ventanamicro.com
Signed-off-by: Paul Walmsley <pjw@kernel.org>
Introduce optional fw_node() callback which allows a mailbox controller
driver to provide controller specific mapping using fwnode.
The Linux OF framework already implements fwnode operations for the
Linux DD framework so the fw_xlate() callback works fine with device
tree as well.
Acked-by: Jassi Brar <jassisinghbrar@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Link: https://lore.kernel.org/r/20250818040920.272664-6-apatel@ventanamicro.com
Signed-off-by: Paul Walmsley <pjw@kernel.org>
Replace kmalloc() followed by copy_from_user() with memdup_user() to fix
a memory leak that occurs when copy_from_user(buff[sg_used],,) fails and
the 'cleanup1:' path does not free the memory for 'buff[sg_used]'. Using
memdup_user() avoids this by freeing the memory internally.
Since memdup_user() already allocates memory, use kzalloc() in the else
branch instead of manually zeroing 'buff[sg_used]' using memset(0).
Cc: stable@vger.kernel.org
Fixes: edd163687e ("[SCSI] hpsa: add driver for HP Smart Array controllers.")
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Acked-by: Don Brace <don.brace@microchip.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Vadim Fedorenko says:
====================
convert 3 drivers to ndo_hwtstamp API
Convert tg3, bnxt_en and mlx5 to use ndo_hwtstamp API. These 3 drivers
were chosen because I have access to the HW and is able to test the
changes. Also there is a selftest provided to validated that the driver
correctly sets up timestamp configuration, according to what is exposed
as supported by the hardware. Selftest allows driver to fallback to some
wider scope of RX timestamping, i.e. it allows the driver to set up
ptpv2-event filter when ptpv2-l2-event is requested.
====================
Link: https://patch.msgid.link/20250923173310.139623-1-vadim.fedorenko@linux.dev
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add simple tests to validate that the driver sets up timestamping
configuration according to what is reported in capabilities.
For RX timestamping we allow driver to fallback to wider scope for
timestamping if filter is applied. That actually means that driver
can enable ptpv2-event when it reports ptpv2-l4-event is supported,
but not vice versa.
Signed-off-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Link: https://patch.msgid.link/20250923173310.139623-5-vadim.fedorenko@linux.dev
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Three sections ("Socket Options", "Security", and "Example Client Usage")
use title headings, which increase number of entries in the networking
docs toctree by three, and also make the rest of sections headed under
"Example Client Usage".
Demote these sections back to section headings.
Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Acked-by: David Howells <dhowells@redhat.com>
Link: https://patch.msgid.link/20250922124137.5266-1-bagasdotme@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
By default the LED will be ON when there is a link but they are not
blinking when there is any traffic activity. Therefore change this
to blink when there is any traffic.
Fixes: 5a774b64cd ("net: phy: micrel: Add support for lan8842")
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Link: https://patch.msgid.link/20250922130314.758229-1-horatiu.vultur@microchip.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'nf-next-25-09-24' of https://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf-next
Florian Westphal says:
====================
netfilter: fixes for net-next
These fixes target next because the bug is either not severe or has
existed for so long that there is no reason to cram them in at the last
minute.
1) Fix IPVS ftp unregistering during netns cleanup, broken since netns
support was introduced in 2011 in the 2.6.39 kernel.
From Slavin Liu.
2) nfnetlink must reset the 'nlh' pointer back to the original
address when a batch is replayed, else we emit bogus ACK messages
and conceal real errno from userspace.
From Fernando Fernandez Mancera. This was broken since 6.10.
3) Recent fix for nftables 'pipapo' set type was incomplete, it only
made things work for the AVX2 version of the algorithm.
4) Testing revealed another problem with avx2 version that results in
out-of-bounds read access, this bug always existed since feature was
added in 5.7 kernel. This also comes with a selftest update.
Last fix resolves a long-standing bug (since 4.9) in conntrack /proc
interface:
Decrease skip count when we reap an expired entry during dump.
As-is we erronously elide one conntrack entry from dump for every expired
entry seen. From Eric Dumazet.
* tag 'nf-next-25-09-24' of https://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf-next:
netfilter: nf_conntrack: do not skip entries in /proc/net/nf_conntrack
selftests: netfilter: nft_concat_range.sh: add check for double-create bug
netfilter: nft_set_pipapo_avx2: fix skip of expired entries
netfilter: nft_set_pipapo: use 0 genmask for packetpath lookups
netfilter: nfnetlink: reset nlh pointer during batch replay
ipvs: Defer ip_vs_ftp unregister during netns cleanup
====================
Link: https://patch.msgid.link/20250924140654.10210-1-fw@strlen.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Russell King says:
====================
net: stmmac: yet more cleanups
Building on the previous cleanup series, this cleans up yet more stmmac
code.
- Move stmmac_bus_clks_config() into stmmac_platform() which is where
its onlny user is.
- Move the xpcs Clause 73 test into stmmac_init_phy(), resulting in
simpler code in __stmmac_open().
- Move "can't attach PHY" error message into stmmac_init_phy().
We then start moving stuff out of __stmac_open() into stmmac_open()
(and correspondingly __stmmac_release() into stmmac_release()) which
is not necessary when re-initialising the interface on e.g. MTU change.
- Move initialisation of tx_lpi_timer
- Move PHY attachment/detachment
- Move PHY error message into stmmac_init_phy()
Finally, simplfy the paths in stmmac_init_phy().
====================
Link: https://patch.msgid.link/aNKDqqI7aLsuDD52@shell.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
If we fail to attach a PHY, there is no point trying to configure WoL
settings. Exit the function after printing the "cannot attach to PHY"
error, and remove the now unnecessary code indentation for configuring
the LPI timer in phylink. Since we know that "ret" must be zero at this
point, change the final return to use a constant rather than "ret".
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Link: https://patch.msgid.link/E1v11A8-0000000774M-3pmH@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Move the PHY attachment/detachment from the network driver out of
__stmmac_open() and __stmmac_release() into stmmac_open() and
stmmac_release() where these actions will only happen when the
interface is administratively brought up or down. It does not make
sense to detach and re-attach the PHY during a change of MTU.
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Link: https://patch.msgid.link/E1v11A3-0000000774G-3PKY@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The initialisation of priv->tx_lpi_timer only happens once during the
lifetime of the driver, which is during the initial administrative
open of the device. Move this initialisation out of __stmmac_open()
into stmmac_open().
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Link: https://patch.msgid.link/E1v119y-0000000774A-2vvl@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Move the "cannot attach to PHY" error message into stmmac_init_phy()
so we don't end up with multiple error messages printed when things
go wrong. Drop the function name from the message, and use %pe to
print the error code description rather than just a number.
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Link: https://patch.msgid.link/E1v119t-00000007744-2SxG@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
We avoid binding a PHY if the XPCS is using clause 73 negotiation.
Rather than having this complexity in __stmmac_open(), move it to
stmmac_init_phy() instead. There is no point checking the XPCS
state this unless phylink wants a PHY, so place this appropriately.
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Link: https://patch.msgid.link/E1v119o-0000000773y-21gs@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
