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Use readl_poll_timeout_atomic() to simplify code
Signed-off-by: Chunfeng Yun <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Use readl_poll_timeout_atomic() to simplify code
Signed-off-by: Chunfeng Yun <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Fix typo/spello of "function".
Cc: Felipe Balbi <[email protected]>
Cc: Jiri Kosina <[email protected]>
Signed-off-by: Randy Dunlap <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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The commit 2a6c0b82e651 ("USB: PHY: JZ4770: Add support for new
Ingenic SoCs.") introduced the initialization function for different
chips, but left the relevant code involved in the resetting process
in the original function, resulting in uninitialized variable calls.
Fixes: 2a6c0b82e651 ("USB: PHY: JZ4770: Add support for new Ingenic SoCs.").
Signed-off-by: 周琰杰 (Zhou Yanjie) <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Use devm_platform_ioremap_resource_byname() to simplify code
Signed-off-by: Chunfeng Yun <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Reformat the code (add one level of indentation before the values),
to align the code in the macro definition section.
Tested-by: 周正 (Zhou Zheng) <[email protected]>
Co-developed-by: 漆鹏振 (Qi Pengzhen) <[email protected]>
Signed-off-by: 漆鹏振 (Qi Pengzhen) <[email protected]>
Signed-off-by: 周琰杰 (Zhou Yanjie) <[email protected]>
Signed-off-by: Felipe Balbi <[email protected]>
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Add support for probing the phy-jz4770 driver on the JZ4780 SoC,
the X1000 SoC and the X1830 SoC from Ingenic.
Tested-by: 周正 (Zhou Zheng) <[email protected]>
Co-developed-by: 漆鹏振 (Qi Pengzhen) <[email protected]>
Signed-off-by: 漆鹏振 (Qi Pengzhen) <[email protected]>
Signed-off-by: 周琰杰 (Zhou Yanjie) <[email protected]>
Signed-off-by: Felipe Balbi <[email protected]>
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1.Modify the macro definition to unify "#define USBPCR_XXXX n"
into the "#define USBPCR_XXXX (n << USBPCR_XXXX_LSB)" style,
so as to unify the code style in the "jz4770_phy_init()" and
simplify the code.
2.Remove unused macro definitions to simplify the code.
Tested-by: 周正 (Zhou Zheng) <[email protected]>
Suggested-by: Paul Cercueil <[email protected]>
Signed-off-by: 周琰杰 (Zhou Yanjie) <[email protected]>
Signed-off-by: Felipe Balbi <[email protected]>
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Rationale:
Reduces attack surface on kernel devs opening the links for MITM
as HTTPS traffic is much harder to manipulate.
Deterministic algorithm:
For each file:
If not .svg:
For each line:
If doesn't contain `\bxmlns\b`:
For each link, `\bhttp://[^# \t\r\n]*(?:\w|/)`:
If neither `\bgnu\.org/license`, nor `\bmozilla\.org/MPL\b`:
If both the HTTP and HTTPS versions
return 200 OK and serve the same content:
Replace HTTP with HTTPS.
Signed-off-by: Alexander A. Klimov <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Replace the existing /* fall through */ comments and its variants with
the new pseudo-keyword macro fallthrough[1]. Also, remove unnecessary
fall-through markings when it is the case.
[1] https://www.kernel.org/doc/html/latest/process/deprecated.html?highlight=fallthrough#implicit-switch-case-fall-through
Signed-off-by: Gustavo A. R. Silva <[email protected]>
Link: https://lore.kernel.org/r/20200707200040.GA4525@embeddedor
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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No idea why this driver is using a char device node, statically
allocated, with no dynamic allocation or hook up with devtmpfs, along
with a reserverd major number, for "special" operations, not all of
which ever were implemented.
So just rip it out, as no one must be using it because no modern system
will ever actually create the /dev/ node it needs.
Cc: Felipe Balbi <[email protected]>
Reviewed-by: Ran Wang <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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This file has a HUGE debugging sysfs file that spews out a lot of
information all at once, which violates the one-value-per-file rule for
sysfs. If this is really needed, it should go into debugfs, but given
the age of this driver, I strongly doubt anyone is using it anymore.
So just remove the file entirely, it was never documented, so obviously,
no one actually needed it :)
Cc: Felipe Balbi <[email protected]>
Reviewed-by: Ran Wang <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Kerneldoc expects arg descriptions to be in the format '@.*: '. If either
the '@' or the ':' is omitted then kerneldoc complains that the description
is missing. Add the missing ':'s here.
Also provide a new description for 'event'.
Fixes the following kernel build W=1 warnings:
drivers/usb/phy/phy.c:106: warning: Function parameter or member 'work' not described in 'usb_phy_notify_charger_work'
drivers/usb/phy/phy.c:172: warning: Function parameter or member 'nb' not described in 'usb_phy_get_charger_type'
drivers/usb/phy/phy.c:172: warning: Function parameter or member 'state' not described in 'usb_phy_get_charger_type'
drivers/usb/phy/phy.c:172: warning: Function parameter or member 'data' not described in 'usb_phy_get_charger_type'
drivers/usb/phy/phy.c:194: warning: Function parameter or member 'usb_phy' not described in 'usb_phy_set_charger_current'
drivers/usb/phy/phy.c:194: warning: Function parameter or member 'mA' not described in 'usb_phy_set_charger_current'
drivers/usb/phy/phy.c:244: warning: Function parameter or member 'usb_phy' not described in 'usb_phy_get_charger_current'
drivers/usb/phy/phy.c:244: warning: Function parameter or member 'min' not described in 'usb_phy_get_charger_current'
drivers/usb/phy/phy.c:244: warning: Function parameter or member 'max' not described in 'usb_phy_get_charger_current'
drivers/usb/phy/phy.c:281: warning: Function parameter or member 'usb_phy' not described in 'usb_phy_set_charger_state'
drivers/usb/phy/phy.c:281: warning: Function parameter or member 'state' not described in 'usb_phy_set_charger_state'
drivers/usb/phy/phy.c:427: warning: Function parameter or member 'dev' not described in 'devm_usb_get_phy'
drivers/usb/phy/phy.c:427: warning: Function parameter or member 'type' not described in 'devm_usb_get_phy'
drivers/usb/phy/phy.c:456: warning: Function parameter or member 'type' not described in 'usb_get_phy'
drivers/usb/phy/phy.c:500: warning: Function parameter or member 'dev' not described in 'devm_usb_get_phy_by_node'
drivers/usb/phy/phy.c:500: warning: Function parameter or member 'node' not described in 'devm_usb_get_phy_by_node'
drivers/usb/phy/phy.c:500: warning: Function parameter or member 'nb' not described in 'devm_usb_get_phy_by_node'
drivers/usb/phy/phy.c:558: warning: Function parameter or member 'dev' not described in 'devm_usb_get_phy_by_phandle'
drivers/usb/phy/phy.c:558: warning: Function parameter or member 'phandle' not described in 'devm_usb_get_phy_by_phandle'
drivers/usb/phy/phy.c:558: warning: Function parameter or member 'index' not described in 'devm_usb_get_phy_by_phandle'
drivers/usb/phy/phy.c:590: warning: Function parameter or member 'dev' not described in 'devm_usb_put_phy'
drivers/usb/phy/phy.c:590: warning: Function parameter or member 'phy' not described in 'devm_usb_put_phy'
drivers/usb/phy/phy.c:627: warning: Function parameter or member 'type' not described in 'usb_add_phy'
drivers/usb/phy/phy.c:721: warning: Function parameter or member 'event' not described in 'usb_phy_set_event'
Cc: Felipe Balbi <[email protected]>
Signed-off-by: Lee Jones <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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In the function tegra_usb_phy_probe(), if usb_add_phy_dev() failed,
the return value will be given to err, and if usb_add_phy_dev() succeed,
the return value will be zero. Thus it is unnecessary to repeated check
here.
Signed-off-by: Zhang Shengju <[email protected]>
Signed-off-by: Tang Bin <[email protected]>
Signed-off-by: Felipe Balbi <[email protected]>
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We need the USB fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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'twl6030_usb_probe()'
A call to 'regulator_get()' is hidden in 'twl6030_usb_ldo_init()'. A
corresponding put must be performed in the error handling path, as
already done in the remove function.
While at it, also move a 'free_irq()' call in the error handling path in
order to be consistent.
Reviewed-by: Dan Carpenter <[email protected]>
Signed-off-by: Christophe JAILLET <[email protected]>
Signed-off-by: Felipe Balbi <[email protected]>
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This patch corrects the SPDX License Identifier style in
header files related to Physical Layer USB driver configuration.
For C header files Documentation/process/license-rules.rst
mandates C-like comments (opposed to C source files where
C++ style should be used).
Changes made by using a script provided by Joe Perches here:
https://lkml.org/lkml/2019/2/7/46.
Suggested-by: Joe Perches <[email protected]>
Signed-off-by: Nishad Kamdar <[email protected]>
Link: https://lore.kernel.org/r/20200419123559.GA4505@nishad
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Message logged by 'dev_xxx()' or 'pr_xxx()' should end with a '\n'.
Fixes: 541368b46b82 ("usb: phy: Add driver for the Ingenic JZ4770 USB transceiver")
Signed-off-by: Christophe JAILLET <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Add a driver to support the USB PHY found in the JZ4770 SoC from
Ingenic.
Signed-off-by: Paul Cercueil <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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The driver uses only GPIO Descriptor Consumer Interface so include
proper header. This fixes compile test failures (e.g. on i386):
drivers/usb/phy/phy-tegra-usb.c: In function ‘ulpi_phy_power_on’:
drivers/usb/phy/phy-tegra-usb.c:695:2: error:
implicit declaration of function ‘gpiod_set_value_cansleep’ [-Werror=implicit-function-declaration]
drivers/usb/phy/phy-tegra-usb.c: In function ‘tegra_usb_phy_probe’:
drivers/usb/phy/phy-tegra-usb.c:1167:11: error:
implicit declaration of function ‘devm_gpiod_get_from_of_node’ [-Werror=implicit-function-declaration]
Signed-off-by: Krzysztof Kozlowski <[email protected]>
Reviewed-by: Dmitry Osipenko <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Tools like Coccinelle may erroneously recommend to use the
devm_platform_ioremap_resource() API for the registers mapping because
these tools are not aware about the implementation details of the driver.
Let's add a clarifying comments to the code, which should help to stop
future attempts to break the driver.
Signed-off-by: Dmitry Osipenko <[email protected]>
Acked-by: Thierry Reding <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Current USB charger framework only shows charger state for user, but the
user may also need charger type for further use, add support for it.
Signed-off-by: Peter Chen <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Instead of using the legacy GPIO API and keeping track on
polarity inversion semantics in the driver, switch to use
GPIO descriptors for this driver and change all consumers
in the process.
This makes it possible to retire platform data completely:
the only remaining platform data member was "wakeup" which
was intended to make the vbus interrupt wakeup capable,
but was not set by any users and thus remained unused. VBUS
was not waking any devices up. Leave a comment about it so
later developers using the platform can consider setting it
to always enabled so plugging in USB wakes up the platform.
Cc: Daniel Mack <[email protected]>
Cc: Haojian Zhuang <[email protected]>
Acked-by: Robert Jarzmik <[email protected]>
Acked-by: Felipe Balbi <[email protected]>
Acked-by: Sylwester Nawrocki <[email protected]>
Acked-by: Philipp Zabel <[email protected]>
Signed-off-by: Linus Walleij <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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The last user of the phy generic platform data was
deleted in commit 1e041b6f313aaa966612a7e415cfc09c90d6b829
("usb: dwc3: exynos: Remove dead code"). So get rid of
the platform data, which rids us of another consumer of
the legacy GPIO API at the same time. Make sure we
only inlcude <linux/gpio/consumer.h> which is all we use.
Alter the usb_phy_gen_create_phy() function prototype to
not pass any platform data as this is just hardcoded to
NULL at all locations calling it in the kernel.
Move the devm_gpiod_get* calls out of the if (of_node)
parenthesis, as these calls are generic and do not depend
on device tree, they are used by any hardware description.
Cc: Marek Szyprowski <[email protected]>
Cc: Felipe Balbi <[email protected]>
Signed-off-by: Linus Walleij <[email protected]>
Signed-off-by: Felipe Balbi <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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There is no good reason for disabling of CPU interrupts in order to
protect the utmip_pad_count modification.
Signed-off-by: Dmitry Osipenko <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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It's unlikely that two drivers could manage PHY's state simultaneously in
practice, nevertheless the utmip_pad_count checking should be under lock,
for consistency.
Signed-off-by: Dmitry Osipenko <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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VBUS regulator should be turned off in a case of error.
Signed-off-by: Dmitry Osipenko <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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It is much more intuitive if reset is treated as asserted when GPIO value
is set to 1. All NVIDIA Tegra device-trees are properly specifying active
state of the reset-GPIO since 2013, let's clean up that part of the code.
Signed-off-by: Dmitry Osipenko <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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There is a mix of u32/ULONG usage in the driver's code. Let's switch to
u32 uniformly, for consistency.
Suggested-by: Thierry Reding <[email protected]>
Signed-off-by: Dmitry Osipenko <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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The resource-managed variant removes the necessity for the driver to care
about freeing ULPI resources.
Suggested-by: Thierry Reding <[email protected]>
Signed-off-by: Dmitry Osipenko <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Now drivers (like NVIDIA Tegra USB PHY for example) will be able to
benefit from the resource-managed variant, making driver's code a bit
cleaner.
Suggested-by: Thierry Reding <[email protected]>
Signed-off-by: Dmitry Osipenko <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Regulator core provides dummy regulator if device-tree doesn't define VBUS
regulator.
Signed-off-by: Dmitry Osipenko <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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There is nothing to synchronize in regards to memory stores, thus all
readl/writel occurrences in the code could be replaced with a relaxed
versions, for consistency.
Acked-by: Thierry Reding <[email protected]>
Signed-off-by: Dmitry Osipenko <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Add "spinlock.h", which was included indirectly, and sort includes in
alphabet order.
Signed-off-by: Dmitry Osipenko <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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This patch fixes few dozens of legit checkpatch warnings, adds missed
handling of potential error-cases and prettifies code where makes sense.
All these clean-up changes are quite minor and do not fix any real
problems.
Acked-by: Thierry Reding <[email protected]>
Signed-off-by: Dmitry Osipenko <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Generic PHY provides init/shutdown callbacks which allow USB-host drivers
to abstract PHY's hardware management in a common way. This change allows
to remove Tegra-specific PHY handling from the ChipIdea driver.
Note that ChipIdea's driver shall be changed at the same time because it
turns PHY ON without the PHY's initialization and this doesn't work now,
resulting in a NULL dereference of phy->freq because it's set during of
the PHY's initialization.
Acked-by: Peter Chen <[email protected]>
Acked-by: Thierry Reding <[email protected]>
Signed-off-by: Dmitry Osipenko <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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The PHY driver should keep track of the enable state, otherwise enable
refcount is screwed if USB driver tries to enable PHY when it is already
enabled. This will be the case for ChipIdea and Tegra EHCI drivers once
PHY driver will gain support for the init/shutdown callbacks.
Signed-off-by: Dmitry Osipenko <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Firstly, the PHY's clock needs to unprepared to keep prepare count
balanced. Secondly, downstream code suggests that reset is synchronous
and thus it should be asserted before disabling clock.
Signed-off-by: Dmitry Osipenko <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Some of the USB phy drivers can be compile tested to increase build
coverage.
Signed-off-by: Krzysztof Kozlowski <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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AB8505 supports an "UART carkit mode" which makes UART accessible
through the USB connector. Upon detection of the UART cable,
this mode has to be manually enabled by:
1. Turning on the PHY in peripheral mode
2. Reconfiguring PHY/pins to route UART signals to USB pins
At the moment, we do not handle the UART link statuses at all,
which means that UART stops working as soon as phy-ab8500-usb is loaded
(since we disable the PHY after initialization).
Keeping UART working if the cable is inserted before turning on the device
is quite simple: In this case, early boot firmware has already set up
the necessary PHY/pin configuration. The presence of the UART cable
is reported by a special value in the USB link status register.
We can check for that value in ab8505_usb_link_status_update()
and set the PHY back to peripheral mode to restore UART.
(Note: This will result in some minor garbage since we still
temporarily disable the PHY during initialization...)
Fully implementing this feature is more complicated:
For some reason, AB8505 does not update UART link status after bootup.
Regular USB cables work fine, but the link status register does not change
its state if an UART cable is inserted/removed.
It seems likely that the hardware is not actually capable of detecting
UART cables autonomously. In addition to the USB link status register,
implementations in the vendor kernel also manually measure
the ID resistance to detect additional cable types. For UART cables,
the USB link status register might simply reflect the PHY configuration
instead of the actual link status.
Implementing that functionality requires significant additions,
so for now just implement the simple case. This allows using UART
when inserting the cable before turning on the device.
Signed-off-by: Stephan Gerhold <[email protected]>
Reviewed-by: Linus Walleij <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Use devm_platform_ioremap_resource() to simplify the code a bit.
This is detected by coccinelle.
Reported-by: Hulk Robot <[email protected]>
Signed-off-by: YueHaibing <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Use devm_platform_ioremap_resource() to simplify the code a bit.
This is detected by coccinelle.
Reported-by: Hulk Robot <[email protected]>
Signed-off-by: YueHaibing <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next
Felipe writes:
USB: Changes for v5.4 merge window
With only 45 non-merge commits, we have a small merge window from the
Gadget perspective.
The biggest change here is the addition of the Cadence USB3 DRD
Driver. All other changes are small, non-critical fixes or smaller new
features like the improvement to BESL handling in dwc3.
Signed-off-by: Felipe Balbi <[email protected]>
* tag 'usb-for-v5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb: (45 commits)
usb: gadget: net2280: Add workaround for AB chip Errata 11
usb: gadget: net2280: Move all "ll" registers in one structure
usb: dwc3: gadget: Workaround Mirosoft's BESL check
usb:cdns3 Fix for stuck packets in on-chip OUT buffer.
usb: cdns3: Add Cadence USB3 DRD Driver
usb: common: Simplify usb_decode_get_set_descriptor function.
usb: common: Patch simplify usb_decode_set_clear_feature function.
usb: common: Separated decoding functions from dwc3 driver.
dt-bindings: add binding for USBSS-DRD controller.
usb: gadget: composite: Set recommended BESL values
usb: dwc3: gadget: Set BESL config parameter
usb: dwc3: Separate field holding multiple properties
usb: gadget: Export recommended BESL values
usb: phy: phy-fsl-usb: Make structure fsl_otg_initdata constant
usb: udc: lpc32xx: silence fall-through warning
usb: dwc3: meson-g12a: fix suspend resume regulator unbalanced disables
usb: udc: lpc32xx: remove set but not used 3 variables
usb: gadget: udc: core: Fix segfault if udc_bind_to_driver() for pending driver fails
usb: dwc3: st: Add of_dev_put() in probe function
usb: dwc3: st: Add of_node_put() before return in probe function
...
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Static structure fsl_otg_initdata, of type fsl_otg_config, is used only
once, when the value of its field otg_port is assigned to another
variable. As fsl_otg_initdata.otg_port is of type u8, any changes to
its copy do not affect the original, and fsl_otg_initdata itself is
never modified. Hence make fsl_otg_initdata constant to protect it from
unintended modification.
Issue found with Coccinelle.
Signed-off-by: Nishka Dasgupta <[email protected]>
Signed-off-by: Felipe Balbi <[email protected]>
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Platform drivers now have the option to have the platform core create
and remove any needed sysfs attribute files. So take advantage of that
and do not register "by hand" any sysfs files.
Acked-by: Felipe Balbi <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Platform drivers now have the option to have the platform core create
and remove any needed sysfs attribute files. So take advantage of that
and do not register "by hand" any sysfs files.
Cc: Felipe Balbi <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Platform drivers now have the option to have the platform core create
and remove any needed sysfs attribute files. So take advantage of that
and do not register "by hand" any sysfs files.
Cc: Felipe Balbi <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Platform drivers now have the option to have the platform core create
and remove any needed sysfs attribute files. So take advantage of that
and do not register "by hand" any sysfs files.
Cc: Felipe Balbi <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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We don't need dev_err() messages when platform_get_irq() fails now that
platform_get_irq() prints an error message itself when something goes
wrong. Let's remove these prints with a simple semantic patch.
// <smpl>
@@
expression ret;
struct platform_device *E;
@@
ret =
(
platform_get_irq(E, ...)
|
platform_get_irq_byname(E, ...)
);
if ( \( ret < 0 \| ret <= 0 \) )
{
(
-if (ret != -EPROBE_DEFER)
-{ ...
-dev_err(...);
-... }
|
...
-dev_err(...);
)
...
}
// </smpl>
While we're here, remove braces on if statements that only have one
statement (manually).
Signed-off-by: Stephen Boyd <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Mark switch cases where we are expecting to fall through.
This patch fixes the following warnings:
drivers/usb/phy/phy-ab8500-usb.c: In function 'ab8500_usb_link_status_update':
drivers/usb/phy/phy-ab8500-usb.c:424:9: warning: this statement may fall through [-Wimplicit-fallthrough=]
event = UX500_MUSB_RIDB;
~~~~~~^~~~~~~~~~~~~~~~~
drivers/usb/phy/phy-ab8500-usb.c:425:2: note: here
case USB_LINK_NOT_CONFIGURED_8500:
^~~~
drivers/usb/phy/phy-ab8500-usb.c:440:9: warning: this statement may fall through [-Wimplicit-fallthrough=]
event = UX500_MUSB_RIDC;
~~~~~~^~~~~~~~~~~~~~~~~
drivers/usb/phy/phy-ab8500-usb.c:441:2: note: here
case USB_LINK_STD_HOST_NC_8500:
^~~~
drivers/usb/phy/phy-ab8500-usb.c:459:9: warning: this statement may fall through [-Wimplicit-fallthrough=]
event = UX500_MUSB_RIDA;
~~~~~~^~~~~~~~~~~~~~~~~
drivers/usb/phy/phy-ab8500-usb.c:460:2: note: here
case USB_LINK_HM_IDGND_8500:
^~~~
drivers/usb/phy/phy-ab8500-usb.c: In function 'ab8505_usb_link_status_update':
drivers/usb/phy/phy-ab8500-usb.c:332:9: warning: this statement may fall through [-Wimplicit-fallthrough=]
event = UX500_MUSB_RIDB;
~~~~~~^~~~~~~~~~~~~~~~~
drivers/usb/phy/phy-ab8500-usb.c:333:2: note: here
case USB_LINK_NOT_CONFIGURED_8505:
^~~~
drivers/usb/phy/phy-ab8500-usb.c:352:9: warning: this statement may fall through [-Wimplicit-fallthrough=]
event = UX500_MUSB_RIDC;
~~~~~~^~~~~~~~~~~~~~~~~
drivers/usb/phy/phy-ab8500-usb.c:353:2: note: here
case USB_LINK_STD_HOST_NC_8505:
^~~~
drivers/usb/phy/phy-ab8500-usb.c:370:9: warning: this statement may fall through [-Wimplicit-fallthrough=]
event = UX500_MUSB_RIDA;
~~~~~~^~~~~~~~~~~~~~~~~
drivers/usb/phy/phy-ab8500-usb.c:371:2: note: here
case USB_LINK_HM_IDGND_8505:
^~~~
Reported-by: Stephen Rothwell <[email protected]>
Signed-off-by: Gustavo A. R. Silva <[email protected]>
Reviewed-by: Kees Cook <[email protected]>
Link: https://lore.kernel.org/r/20190729000631.GA24165@embeddedor
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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