commit 9608ea6c66 upstream.
Commit 179e5a6114 ("pinctrl: intel: Remove default Interrupt Status
offset") removes default interrupt status offset of GPIO controllers,
with previous commits explicitly providing the previously default
offsets. However, the is_offset value in SPTH_COMMUNITY is missing,
preventing related irq from being properly detected and handled.
Fixes: f702e0b93c ("pinctrl: sunrisepoint: Provide Interrupt Status register offset")
Link: https://bugzilla.kernel.org/show_bug.cgi?id=205745
Cc: stable@vger.kernel.org
Signed-off-by: Boyan Ding <boyan.j.ding@gmail.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit e66ff71fd0 upstream.
Version 1.1v6 of pin list has some changes in pin names for Intel Lewisburg.
Update the driver accordingly.
Note, it reveals the bug in the driver that misses two pins in GPP_L and
has rather two extra ones. That's why the ordering of some groups is changed.
Fixes: e480b74538 ("pinctrl: intel: Add Intel Lewisburg GPIO support")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20191120133739.54332-1-andriy.shevchenko@linux.intel.com
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit ad7fe1a1a3 upstream.
As platform_get_irq() now prints an error when the interrupt does not
exist, counting interrupts by looping until failure causes the printing
of scary messages like:
sh-pfc e6060000.pin-controller: IRQ index 0 not found
Fix this by using the platform_irq_count() helper instead.
Fixes: 7723f4c5ec ("driver core: platform: Add an error message to platform_get_irq*()")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Tested-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Link: https://lore.kernel.org/r/20191016142601.28255-1-geert+renesas@glider.be
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit d30710b8cc upstream.
This patch allows PINMUX_IPSR_PHYS() to set bits in GPSR.
When assigning function to pin, GPSR should be set to peripheral
function.
For example when using SCL3, GPSR2 bit7 (PWM1_A pin) should be set to
peripheral function.
Signed-off-by: Keiya Nobuta <nobuta.keiya@fujitsu.com>
Link: https://lore.kernel.org/r/20191008060112.29819-1-nobuta.keiya@fujitsu.com
Fixes: 50d1ba1764 ("pinctrl: sh-pfc: Add physical pin multiplexing helper macros")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit 5ff8aca906 upstream.
The call to pinctrl_count_index_with_args checks for a -EINVAL return
however this function calls pinctrl_get_list_and_count and this can
return -ENOENT. Rather than check for a specific error, fix this by
checking for any error return to catch the -ENOENT case.
Addresses-Coverity: ("Improper use of negative")
Fixes: 003910ebc8 ("pinctrl: Introduce TI IOdelay configuration driver")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Link: https://lore.kernel.org/r/20190920122030.14340-1-colin.king@canonical.com
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit 35c60be220 upstream.
In meson_pinconf_get_drive_strength, variable bit is calculated by
meson_calc_reg_and_bit, this value is the offset from the first pin of a
certain bank to current pin, while Meson SoCs use two bits for each pin
to depict drive-strength. So a left shift by 1 should be done or node
pinconf-pins shows wrong message.
Fixes: 6ea3e3bbef ("pinctrl: meson: add support of drive-strength-microamp")
Signed-off-by: Qianggui Song <qianggui.song@amlogic.com>
Link: https://lore.kernel.org/r/20191226023734.9631-1-qianggui.song@amlogic.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit f7e36e1894 upstream.
In a rare randconfig build I came across one configuration that does
not enable CONFIG_GPIOLIB, which is needed by lochnagar:
ERROR: "devm_gpiochip_add_data" [drivers/pinctrl/cirrus/pinctrl-lochnagar.ko] undefined!
ERROR: "gpiochip_generic_free" [drivers/pinctrl/cirrus/pinctrl-lochnagar.ko] undefined!
ERROR: "gpiochip_generic_request" [drivers/pinctrl/cirrus/pinctrl-lochnagar.ko] undefined!
ERROR: "gpiochip_get_data" [drivers/pinctrl/cirrus/pinctrl-lochnagar.ko] undefined!
Add another 'select' like all other pinctrl drivers have.
Fixes: 0548448b71 ("pinctrl: lochnagar: Add support for the Cirrus Logic Lochnagar")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20191218163701.171914-1-arnd@arndb.de
Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
[ Upstream commit 6ba2fd391a ]
This commit adds a check on ops pointer to avoid a kernel panic when
ops->strict is used. Indeed, on some pinctrl driver (at least for
pinctrl-stmfx) the pinmux ops is not implemented. Let's assume than gpio
can be used in this case.
Fixes: 472a61e777 ("pinctrl/gpio: Take MUX usage into account")
Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>
Link: https://lore.kernel.org/r/20191204144106.10876-1-alexandre.torgue@st.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit eb45f2110b ]
Early revisions of the AST2600 datasheet are conflicted about the state
of the LPC/eSPI strapping bit (SCU510[6]). Conversations with ASPEED
determined that the reference pinmux configuration tables were in error
and the SCU documentation contained the correct configuration. Update
the driver to reflect the state described in the SCU documentation.
Fixes: 2eda1cdec4 ("pinctrl: aspeed: Add AST2600 pinmux support")
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Link: https://lore.kernel.org/r/20191202050110.15340-1-andrew@aj.id.au
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
commit 40ecab5512 upstream.
Commit 39ce8150a0 ("pinctrl: baytrail: Serialize all register access")
added a spinlock around all register accesses because:
"There is a hardware issue in Intel Baytrail where concurrent GPIO register
access might result reads of 0xffffffff and writes might get dropped
completely."
Testing has shown that this does not catch all cases, there are still
2 problems remaining
1) The original fix uses a spinlock per byt_gpio device / struct,
additional testing has shown that this is not sufficient concurent
accesses to 2 different GPIO banks also suffer from the same problem.
This commit fixes this by moving to a single global lock.
2) The original fix did not add a lock around the register accesses in
the suspend/resume handling.
Since pinctrl-baytrail.c is using normal suspend/resume handlers,
interrupts are still enabled during suspend/resume handling. Nothing
should be using the GPIOs when they are being taken down, _but_ the
GPIOs themselves may still cause interrupts, which are likely to
use (read) the triggering GPIO. So we need to protect against
concurrent GPIO register accesses in the suspend/resume handlers too.
This commit fixes this by adding the missing spin_lock / unlock calls.
The 2 fixes together fix the Acer Switch 10 SW5-012 getting completely
confused after a suspend resume. The DSDT for this device has a bug
in its _LID method which reprograms the home and power button trigger-
flags requesting both high and low _level_ interrupts so the IRQs for
these 2 GPIOs continuously fire. This combined with the saving of
registers during suspend, triggers concurrent GPIO register accesses
resulting in saving 0xffffffff as pconf0 value during suspend and then
when restoring this on resume the pinmux settings get all messed up,
resulting in various I2C busses being stuck, the wifi no longer working
and often the tablet simply not coming out of suspend at all.
Cc: stable@vger.kernel.org
Fixes: 39ce8150a0 ("pinctrl: baytrail: Serialize all register access")
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
[ Upstream commit 81898a44f2 ]
The SDC_QDSD_PINGROUP/UFS_RESET macros are missing the .tile info needed to
calculate the right register offsets. Adding them here and also
adjusting the offsets accordingly.
Fixes: f2ae04c45b ("pinctrl: qcom: Add SC7180 pinctrl driver")
Reported-by: Veerabhadrarao Badiganti <vbadigan@codeaurora.org>
Signed-off-by: Rajendra Nayak <rnayak@codeaurora.org>
Link: https://lore.kernel.org/r/20191021141507.24066-1-rnayak@codeaurora.org
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 884caadad1 ]
The definitions for bit field [19:18] of the Peripheral Function Select
Register 3 were accidentally copied from bit field [20], leading to
duplicates for the TCLK1_B function, and missing TCLK0, CAN_CLK_B, and
ET0_ETXD4 functions.
Fix this by adding the missing GPIO_FN_CAN_CLK_B and GPIO_FN_ET0_ETXD4
enum values, and correcting the functions.
Reported-by: Ben Dooks <ben.dooks@codethink.co.uk>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20191024131308.16659-1-geert+renesas@glider.be
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit be4c60b563 ]
When populating the pinctrl mapping table entries for a device, the
'dev_name' field for each entry is initialised to point directly at the
string returned by 'dev_name()' for the device and subsequently used by
'create_pinctrl()' when looking up the mappings for the device being
probed.
This is unreliable in the presence of calls to 'dev_set_name()', which may
reallocate the device name string leaving the pinctrl mappings with a
dangling reference. This then leads to a use-after-free every time the
name is dereferenced by a device probe:
| BUG: KASAN: invalid-access in strcmp+0x20/0x64
| Read of size 1 at addr 13ffffc153494b00 by task modprobe/590
| Pointer tag: [13], memory tag: [fe]
|
| Call trace:
| __kasan_report+0x16c/0x1dc
| kasan_report+0x10/0x18
| check_memory_region
| __hwasan_load1_noabort+0x4c/0x54
| strcmp+0x20/0x64
| create_pinctrl+0x18c/0x7f4
| pinctrl_get+0x90/0x114
| devm_pinctrl_get+0x44/0x98
| pinctrl_bind_pins+0x5c/0x450
| really_probe+0x1c8/0x9a4
| driver_probe_device+0x120/0x1d8
Follow the example of sysfs, and duplicate the device name string before
stashing it away in the pinctrl mapping entries.
Cc: Linus Walleij <linus.walleij@linaro.org>
Reported-by: Elena Petrova <lenaptr@google.com>
Tested-by: Elena Petrova <lenaptr@google.com>
Signed-off-by: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/20191002124206.22928-1-will@kernel.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 7666dfd533 ]
This reverts commit e167d723e1.
According to the R-Car Gen3 Hardware Manual Errata for Rev 1.00 of Aug
24, 2018, the SEL_SIMCARD_{0,1} definition was to be deleted. However,
this errata merely fixed an accidental double definition in the Hardware
User's Manual Rev. 1.00. The real definition is still present in later
revisions of the manual (Rev. 1.50 and Rev. 2.00).
Hence revert the commit to recover the definition.
Based on a patch in the BSP by Takeshi Kihara
<takeshi.kihara.df@renesas.com>.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Link: https://lore.kernel.org/r/20190904121658.2617-4-geert+renesas@glider.be
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 3672bc7093 ]
This reverts commit e87882eb9b.
According to the R-Car Gen3 Hardware Manual Errata for Rev 1.00 of Aug
24, 2018, the SEL_SSI2_{0,1} definition was to be deleted. However,
this errata merely fixed an accidental double definition in the Hardware
User's Manual Rev. 1.00. The real definition is still present in later
revisions of the manual (Rev. 1.50 and Rev. 2.00).
Hence revert the commit to recover the definition.
Based on a patch in the BSP by Takeshi Kihara
<takeshi.kihara.df@renesas.com>.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Link: https://lore.kernel.org/r/20190904121658.2617-3-geert+renesas@glider.be
Signed-off-by: Sasha Levin <sashal@kernel.org>
commit 7f028caadf upstream.
In s3c64xx_eint_eint0_init() the for_each_child_of_node() loop is used
with a break to find a matching child node. Although each iteration of
for_each_child_of_node puts the previous node, but early exit from loop
misses it. This leads to leak of device node.
Cc: <stable@vger.kernel.org>
Fixes: 61dd726131 ("pinctrl: Add pinctrl-s3c64xx driver")
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit a322b3377f upstream.
Several functions use for_each_child_of_node() loop with a break to find
a matching child node. Although each iteration of
for_each_child_of_node puts the previous node, but early exit from loop
misses it. This leads to leak of device node.
Cc: <stable@vger.kernel.org>
Fixes: 9a2c1c3b91 ("pinctrl: samsung: Allow grouping multiple pinmux/pinconf nodes")
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit 6fbbcb0508 upstream.
In s3c24xx_eint_init() the for_each_child_of_node() loop is used with a
break to find a matching child node. Although each iteration of
for_each_child_of_node puts the previous node, but early exit from loop
misses it. This leads to leak of device node.
Cc: <stable@vger.kernel.org>
Fixes: af99a75074 ("pinctrl: Add pinctrl-s3c24xx driver")
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit 5c7f48dd14 upstream.
In exynos_eint_wkup_init() the for_each_child_of_node() loop is used
with a break to find a matching child node. Although each iteration of
for_each_child_of_node puts the previous node, but early exit from loop
misses it. This leads to leak of device node.
Cc: <stable@vger.kernel.org>
Fixes: 43b169db18 ("pinctrl: add exynos4210 specific extensions for samsung pinctrl driver")
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit 3d2557ab75 upstream.
Each iteration of for_each_child_of_node puts the previous node, but in
the case of a return from the middle of the loop, there is no put, thus
causing a memory leak. Hence add an of_node_put before the return of
exynos_eint_wkup_init() error path.
Issue found with Coccinelle.
Signed-off-by: Nishka Dasgupta <nishkadg.linux@gmail.com>
Cc: <stable@vger.kernel.org>
Fixes: 14c255d35b ("pinctrl: exynos: Add irq_chip instance for Exynos7 wakeup interrupts")
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit 04fb02757a upstream.
As explained in the following commit a9a1a48336 ("pinctrl:
armada-37xx: Fix gpio interrupt setup") the armada_37xx_irq_set_type()
function can be called before the initialization of the mask field.
That means that we can't use this field in this function and need to
workaround it using hwirq.
Fixes: 30ac0d3b07 ("pinctrl: armada-37xx: Add edge both type gpio irq support")
Cc: stable@vger.kernel.org
Reported-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Link: https://lore.kernel.org/r/20191115155752.2562-1-gregory.clement@bootlin.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
With stmfx_pinctrl_gpio_init_valid_mask callback, gpio_valid_mask was used
to initialize gpiochip valid_mask for gpiolib. But gpio_valid_mask was not
yet initialized. gpio_valid_mask required gpio-ranges to be registered,
this is the case after gpiochip_add_data call. But init_valid_mask
callback is also called under gpiochip_add_data. gpio_valid_mask
initialization cannot be moved before gpiochip_add_data because
gpio-ranges are not registered.
So, it is not possible to use init_valid_mask callback.
To avoid this issue, get rid of valid_mask and rely on ranges.
Fixes: da9b142ab2 ("pinctrl: stmfx: Use the callback to populate valid_mask")
Signed-off-by: Amelie Delaunay <amelie.delaunay@st.com>
Link: https://lore.kernel.org/r/20191104100908.10880-1-amelie.delaunay@st.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
A couple more fixes for Intel pinctrl drivers:
- Try to avoid glitches when pin is in GPIO mode
- Fix cherryview irq_valid_mask calculation
- Allocate cherryview IRQ chip dynamically to avoid triggering warning
from GPIO core
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Merge tag 'intel-pinctrl-fixes-v5.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/pinctrl/intel into fixes
intel-pinctrl fixes for v5.4 part 2
A couple more fixes for Intel pinctrl drivers:
- Try to avoid glitches when pin is in GPIO mode
- Fix cherryview irq_valid_mask calculation
- Allocate cherryview IRQ chip dynamically to avoid triggering warning
from GPIO core
Keeping the IRQ chip definition static shares it with multiple instances
of the GPIO chip in the system. This is bad and now we get this warning
from GPIO library:
"detected irqchip that is shared with multiple gpiochips: please fix the driver."
Hence, move the IRQ chip definition from being driver static into the struct
intel_pinctrl. So a unique IRQ chip is used for each GPIO chip instance.
This patch is heavily based on the attachment to the bug by Christoph Marz.
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=202543
Fixes: 6e08d6bbeb ("pinctrl: Add Intel Cherryview/Braswell pin controller support")
Depends-on: 83b9dc1131 ("pinctrl: cherryview: Associate IRQ descriptors to irqdomain")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Commit 03c4749dd6 ("gpio / ACPI: Drop unnecessary ACPI GPIO to Linux
GPIO translation") has made the cherryview gpio numbers sparse, to get
a 1:1 mapping between ACPI pin numbers and gpio numbers in Linux.
This has greatly simplified things, but the code setting the
irq_valid_mask was not updated for this, so the valid mask is still in
the old "compressed" numbering with the gaps in the pin numbers skipped,
which is wrong as irq_valid_mask needs to be expressed in gpio numbers.
This results in the following error on devices using pin 24 (0x0018) on
the north GPIO controller as an ACPI event source:
[ 0.422452] cherryview-pinctrl INT33FF:01: Failed to translate GPIO to IRQ
This has been reported (by email) to be happening on a Caterpillar CAT T20
tablet and I've reproduced this myself on a Medion Akoya e2215t 2-in-1.
This commit uses the pin number instead of the compressed index into
community->pins to clear the correct bits in irq_valid_mask for GPIOs
using GPEs for interrupts, fixing these errors and in case of the
Medion Akoya e2215t also fixing the LID switch not working.
Cc: stable@vger.kernel.org
Fixes: 03c4749dd6 ("gpio / ACPI: Drop unnecessary ACPI GPIO to Linux GPIO translation")
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
When consumer requests a pin, in order to be on the safest side,
we switch it first to GPIO mode followed by immediate transition
to the input state. Due to posted writes it's luckily to be a single
I/O transaction.
However, if firmware or boot loader already configures the pin
to the GPIO mode, user expects no glitches for the requested pin.
We may check if the pin is pre-configured and leave it as is
till the actual consumer toggles its state to avoid glitches.
Fixes: 7981c0015a ("pinctrl: intel: Add Intel Sunrisepoint pin controller and GPIO support")
Depends-on: f5a26acf01 ("pinctrl: intel: Initialize GPIO properly when used through irqchip")
Cc: stable@vger.kernel.org
Cc: fei.yang@intel.com
Reported-by: Oliver Barta <oliver.barta@aptiv.com>
Reported-by: Malin Jonsson <malin.jonsson@ericsson.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
AST2600 EMMC support 3 types DAT bus sizes (1, 4 and 8-bit),
corresponding to 3 groups: EMMCG1, EMMCG4 and EMMCG8
Fixes: 58dc52ad00a0 ("pinctrl: aspeed: Add AST2600 pinmux support")
Signed-off-by: Johnny Huang <johnny_huang@aspeedtech.com>
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Link: https://lore.kernel.org/r/20191008044153.12734-8-andrew@aj.id.au
Reviewed-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
When UART13G1 is set the pinmux configuration in SCU4B8 for UART13G0
should be cleared.
Fixes: 58dc52ad00a0 ("pinctrl: aspeed: Add AST2600 pinmux support")
Signed-off-by: Johnny Huang <johnny_huang@aspeedtech.com>
[AJ: Tweak commit message]
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Link: https://lore.kernel.org/r/20191008044153.12734-7-andrew@aj.id.au
Reviewed-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signal descriptors can represent multi-bit bitfields and so have
explicit "enable" and "disable" states. However many descriptor
instances only describe a single bit, and so the SIG_DESC_SET() macro is
provides an abstraction for the single-bit cases: Its expansion
configures the "enable" state to set the bit and "disable" to clear.
SIG_DESC_CLEAR() was introduced to provide a similar single-bit
abstraction for for descriptors to clear the bit of interest. However
its behaviour was defined as the literal inverse of SIG_DESC_SET() - the
impact is the bit of interest is set in the disable path. This behaviour
isn't intuitive and doesn't align with how we want to use the macro in
practice, so make it clear the bit for both the enable and disable
paths.
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Link: https://lore.kernel.org/r/20191008044153.12734-6-andrew@aj.id.au
Reviewed-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The documentation to configure I3C3/FSI1 and I3C4/FSI2 was initially
unclear.
Fixes: 58dc52ad00a0 ("pinctrl: aspeed: Add AST2600 pinmux support")
Signed-off-by: Johnny Huang <johnny_huang@aspeedtech.com>
[AJ: Tweak commit message, resolve rebase conflicts]
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Link: https://lore.kernel.org/r/20191008044153.12734-5-andrew@aj.id.au
Reviewed-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The I2C function the pin participated in was incorrectly named SDA14
which lead to a failure to mux:
[ 6.884344] No function I2C14 found on pin 7 (7). Found signal(s) MACLINK4, SDA14, GPIOA7 for function(s) MACLINK4, SDA14, GPIOA7
Fixes: 58dc52ad00a0 ("pinctrl: aspeed: Add AST2600 pinmux support")
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Link: https://lore.kernel.org/r/20191008044153.12734-4-andrew@aj.id.au
Reviewed-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Some pins crept in that weren't ordered in the list.
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Link: https://lore.kernel.org/r/20191008044153.12734-3-andrew@aj.id.au
Reviewed-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The function should be spdifib, fix this typo.
Fixes: 423ddc580b ("pinctrl: berlin: add the as370 SoC pinctrl driver")
Signed-off-by: Jisheng Zhang <Jisheng.Zhang@synaptics.com>
Link: https://lore.kernel.org/r/20191011154321.44f08f9a@xhacker.debian
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This includes two fixes for Intel pinctrl drivers:
- Fix warning about shared irqchip
- Restore Strago DMI workaround for all versions
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Merge tag 'intel-pinctrl-fixes-v5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/pinctrl/intel into fixes
intel-pinctrl fixes for v5.4
This includes two fixes for Intel pinctrl drivers:
- Fix warning about shared irqchip
- Restore Strago DMI workaround for all versions
The configuration registers for the LED group have inverted
polarity, which puts the GPIO into open-drain state when used in
GPIO mode. Switch to '0' for GPIO and '1' for LED modes.
Fixes: 87466ccd94 ("pinctrl: armada-37xx: Add pin controller support for Armada 37xx")
Signed-off-by: Patrick Williams <alpawi@amazon.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20191001155154.99710-1-alpawi@amazon.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
dev_get_platdata(&pdev->dev) returns a pointer on struct stmfx_pinctrl,
not on struct stmfx (platform_set_drvdata(pdev, pctl); in probe).
Pointer on struct stmfx is stored in driver data of pdev parent (in probe:
struct stmfx *stmfx = dev_get_drvdata(pdev->dev.parent);).
Fixes: 1490d9f841 ("pinctrl: Add STMFX GPIO expander Pinctrl/GPIO driver")
Signed-off-by: Amelie Delaunay <amelie.delaunay@st.com>
Link: https://lore.kernel.org/r/20191004122342.22018-1-amelie.delaunay@st.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
platform_get_irq() can return an error code. Allow for this when getting
the irq.
Fixes: 6f265e5d4d ("pinctrl: bcm-iproc: Pass irqchip when adding gpiochip")
Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Link: https://lore.kernel.org/r/20191003000310.17099-2-chris.packham@alliedtelesis.co.nz
Acked-by: Scott Branden <scott.branden@broadcom.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The pinctrl->functions[] array has pinctrl->num_functions elements and
the pinctrl->groups[] array is the same way. These are set in
ns2_pinmux_probe(). So the > comparisons should be >= so that we don't
read one element beyond the end of the array.
Fixes: b5aa1006e4 ("pinctrl: ns2: add pinmux driver support for Broadcom NS2 SoC")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/20190926081426.GB2332@mwanda
Acked-by: Scott Branden <scott.branden@broadcom.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This convert the BCM IPROC driver to use the SPDX header
for indicating GPL v2.0 only licensing.
Cc: Pramod Kumar <pramodku@broadcom.com>
Cc: Ray Jui <rjui@broadcom.com>
Cc: Scott Branden <sbranden@broadcom.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Scott Branden <scott.branden@broadcom.com>
Link: https://lore.kernel.org/r/20191002130217.4491-1-linus.walleij@linaro.org
The 37xx configuration registers are only 32 bits long, so
pins 32-35 spill over into the next register. The calculation
for the register address was done, but the bitmask was not, so
any configuration to pin 32 or above resulted in a bitmask that
overflowed and performed no action.
Fix the register / offset calculation to also adjust the offset.
Fixes: 5715092a45 ("pinctrl: armada-37xx: Add gpio support")
Signed-off-by: Patrick Williams <alpawi@amazon.com>
Acked-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20191001154634.96165-1-alpawi@amazon.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This is essentially a revert of:
e3f72b749d pinctrl: cherryview: fix Strago DMI workaround
86c5dd6860 pinctrl: cherryview: limit Strago DMI workarounds to version 1.0
because even with 1.1 versions of BIOS there are some pins that are
configured as interrupts but not claimed by any driver, and they
sometimes fire up and result in interrupt storms that cause touchpad
stop functioning and other issues.
Given that we are unlikely to qualify another firmware version for a
while it is better to keep the workaround active on all Strago boards.
Reported-by: Alex Levin <levinale@chromium.org>
Fixes: 86c5dd6860 ("pinctrl: cherryview: limit Strago DMI workarounds to version 1.0")
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Tested-by: Alex Levin <levinale@chromium.org>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Keeping the IRQ chip definition static shares it with multiple instances of
the GPIO chip in the system. This is bad and now we get this warning from
GPIO library:
"detected irqchip that is shared with multiple gpiochips: please fix the driver."
Hence, move the IRQ chip definition from being driver static into the struct
intel_pinctrl. So a unique IRQ chip is used for each GPIO chip instance.
Fixes: ee1a6ca43d ("pinctrl: intel: Add Intel Broxton pin controller support")
Depends-on: 5ff56b015e ("pinctrl: intel: Disable GPIO pin interrupts in suspend")
Reported-by: Federico Ricchiuto <fed.ricchiuto@gmail.com>
Suggested-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
cycle:
Core changes:
- Fix errors in example code in the documentation.
New drivers:
- Add support for JZ4760, JZ4760B, X1000, X1000E and X1500 to
the Ingenic driver.
- Support Cirrus Logic Madera CS47L92 and CS47L15.
- Support Allwinner Sunxi V3S.
- Support Aspeed 2600 BMC.
- Support Qualcomm SC7180.
- Support Marvell MVEBU CS115.
Driver improvements:
- Clean up a few drivers to use the devm_platform_ioremap_resource()
helper.
- Pass the irqchip when registering the gpio_chip in some pin
controllers that are also GPIO controllers.
- Support suspend/resume in the Tegra driver.
- Support pull-up on the Broadcom BCM2711.
- The Intel driver can now request locked pads.
- Fix the UFS reset pin in the Qualcomm SDM845 driver.
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Merge tag 'pinctrl-v5.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control updates from Linus Walleij:
"This is the bulk of pin control changes for the v5.4 kernel cycle:
Core changes:
- Fix errors in example code in the documentation.
New drivers:
- Add support for JZ4760, JZ4760B, X1000, X1000E and X1500 to the
Ingenic driver.
- Support Cirrus Logic Madera CS47L92 and CS47L15.
- Support Allwinner Sunxi V3S.
- Support Aspeed 2600 BMC.
- Support Qualcomm SC7180.
- Support Marvell MVEBU CS115.
Driver improvements:
- Clean up a few drivers to use the devm_platform_ioremap_resource()
helper.
- Pass the irqchip when registering the gpio_chip in some pin
controllers that are also GPIO controllers.
- Support suspend/resume in the Tegra driver.
- Support pull-up on the Broadcom BCM2711.
- The Intel driver can now request locked pads.
- Fix the UFS reset pin in the Qualcomm SDM845 driver"
* tag 'pinctrl-v5.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (112 commits)
pinctrl: meson-gxbb: Fix wrong pinning definition for uart_c
pinctrl: sh-pfc: Unlock on error in sh_pfc_func_set_mux()
pinctrl: bcm: remove redundant assignment to pointer log
pinctrl: iproc: Add 'get_direction' support
pinctrl: iproc-gpio: Handle interrupts for multiple instances
pinctrl: iproc-gpio: Fix incorrect pinconf configurations
pinctrl: intel: mark intel_pin_to_gpio __maybe_unused
pinctrl: qcom: sdm845: Fix UFS_RESET pin
pinctrl: mvebu: add additional variant for standalone CP115
pinctrl: mvebu: Add CP110 missing pin functionality
dt-bindings: cp110: document the new CP115 pinctrl compatible
pinctrl: bcm2835: Pass irqchip when adding gpiochip
pinctrl: meson: meson: Add of_node_put() before return
pinctrl/gpio: Take MUX usage into account
dt-bindings: pinctrl: qcom-pmic-gpio: Add pm8150l support
dt-bindings: pinctrl: qcom-pmic-gpio: Add pm8150b support
dt-bindings: pinctrl: qcom-pmic-gpio: Add pm8150 support
pinctrl: amd: disable spurious-firing GPIO IRQs
pinctrl: rza2: Include the appropriate headers
pinctrl: rza2: Drop driver use of consumer flags
...
v5.4 kernel cycle.
Core changes:
- Support hierarchical GPIO irqchips. We now have three
consumers that can use this: Intel IXP4xx, ThunderX and
Qualcomm SPMI GPIO (in the pinctrl subsystem). The support
code has been long in the making and hashed out so it should
be easily adaptable for all hierarchical irqchip parents.
The code only gets compiled in if hierarchical irqchip
is used at the topmost irq controller at least, as the
hierarchical irqchip requires strict hierarchy all the
way up in the system.
- Determine the need for a "valid_mask" for GPIO lines on the
gpio_chip and conversely for the "valid_mask" for the GPIO
interrupt chip interrupt lines by looking for a
.init_valid_mask() callback in the main chip or GPIO interrupt
chip respectively. Allocate it with bitmap_alloc().
- Isolate the device tree/open firmware GPIO description code
out in its own file properly.
- Isolate the ACPI GPIO description code out in its own file
properly.
- Drop a whole lot of #ifdef:s in the main includes: it does
not hurt to keep the include items around, and we get
quicker and clearer compile failures if the appropriate
kernel symbols are not selected for drivers.
New/deleted drivers:
- New driver for Aspeed SGPIO.
- The KS8695 driver is deleted as the platform gets deleted
from arch/arm in this kernel cycle.
- The Cirrus Logic Madera driver now supports CS47L92 and
CS47L15.
- The Freescale MPC8xxx now supports LS1028A and LS1088A.
Driver improvements:
- We pass the GPIO irqchip intialization by directly filling
in the struct instead of using set-up functions (the new
way) for Intel MID, Lynxpoint, Merrifield, XLP, HLWD, Aspeed,
ZX, VF610, TQMX86, MT7621, Zynq and EP93xx.
Out-of-band changes:
- Fix a GPIO header inclusion in Unicore - no response from
maintainer.
- Drop FMC subsystem from MAINTAINERS - was deleted in the
GPIO tree last cycle so let's mop up the shards.
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Merge tag 'gpio-v5.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO updates from Linus Walleij:
"This is the bulk of changes in the GPIO subsystem for the v5.4 kernel
cycle.
Core changes:
- Support hierarchical GPIO irqchips.
We now have three consumers that can use this: Intel IXP4xx,
ThunderX and Qualcomm SPMI GPIO (in the pinctrl subsystem).
The support code has been long in the making and hashed out so it
should be easily adaptable for all hierarchical irqchip parents.
The code only gets compiled in if hierarchical irqchip is used at
the topmost irq controller at least, as the hierarchical irqchip
requires strict hierarchy all the way up in the system.
- Determine the need for a "valid_mask" for GPIO lines on the
gpio_chip and conversely for the "valid_mask" for the GPIO
interrupt chip interrupt lines by looking for a .init_valid_mask()
callback in the main chip or GPIO interrupt chip respectively.
Allocate it with bitmap_alloc().
- Isolate the device tree/open firmware GPIO description code out in
its own file properly.
- Isolate the ACPI GPIO description code out in its own file
properly.
- Drop a whole lot of #ifdef:s in the main includes: it does not hurt
to keep the include items around, and we get quicker and clearer
compile failures if the appropriate kernel symbols are not selected
for drivers.
New/deleted drivers:
- New driver for Aspeed SGPIO.
- The KS8695 driver is deleted as the platform gets deleted from
arch/arm in this kernel cycle.
- The Cirrus Logic Madera driver now supports CS47L92 and CS47L15.
- The Freescale MPC8xxx now supports LS1028A and LS1088A.
Driver improvements:
- We pass the GPIO irqchip intialization by directly filling in the
struct instead of using set-up functions (the new way) for Intel
MID, Lynxpoint, Merrifield, XLP, HLWD, Aspeed, ZX, VF610, TQMX86,
MT7621, Zynq and EP93xx.
Out-of-band changes:
- Fix a GPIO header inclusion in Unicore - no response from
maintainer.
- Drop FMC subsystem from MAINTAINERS - was deleted in the GPIO tree
last cycle so let's mop up the shards"
* tag 'gpio-v5.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (82 commits)
gpiolib: of: add a fallback for wlf,reset GPIO name
gpio: htc-egpio: Remove unused exported htc_egpio_get_wakeup_irq()
gpio: remove explicit comparison with 0
gpio: creg-snps: use devm_platform_ioremap_resource() to simplify code
gpio: devres: Switch to EXPORT_SYMBOL_GPL()
gpio: of: Switch to EXPORT_SYMBOL_GPL()
gpio: of: Make of_gpio_simple_xlate() private
gpio: of: Make of_get_named_gpiod_flags() private
gpio: aspeed: Add in ast2600 details to Aspeed driver
gpio: aspeed: Use ngpio property from device tree if available
gpio: aspeed: Setup irqchip dynamically
gpio/aspeed: Fix incorrect number of banks
gpio: aspeed: Update documentation with ast2600 controllers
gpio: Initialize the irqchip valid_mask with a callback
gpiolib: acpi: make acpi_can_fallback_to_crs() static
gpio: Fix further merge errors
gpio: Fix up merge collision in include file
gpio: of: Normalize return code variable name
gpio: gpiolib: Normalize return code variable name
gpio: ep93xx: Pass irqchip when adding gpiochip
...
We need to unlock and enable IRQs before we return on this error path.
Fixes: 8a0cc47ccc ("pinctrl: sh-pfc: Rollback to mux if required when the gpio is freed")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/20190827093927.GB8443@mwanda
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Just a single fix for build warning introduced in the previous pull.
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Merge tag 'intel-pinctrl-v5.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/pinctrl/intel into devel
intel-pinctrl for v5.4 part 2
Just a single fix for build warning introduced in the previous pull.
The pointer log is being initialized with a value that is never read
and is being re-assigned a little later on. The assignment is
redundant and hence can be removed.
Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Link: https://lore.kernel.org/r/20190905140919.29283-1-colin.king@canonical.com
Reviewed-by: Ray Jui <ray.jui@broadcom.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Boyan Ding
Andy Shevchenko
Geert Uytterhoeven
Keiya Nobuta
Colin Ian King
Qianggui Song
Arnd Bergmann
Alexandre Torgue
Andrew Jeffery
Hans de Goede
Ben Dooks (Codethink)
Rajendra Nayak
Will Deacon
Krzysztof Kozlowski
Nishka Dasgupta
Gregory CLEMENT
Chris Brandt
Amelie Delaunay
Linus Walleij
Johnny Huang
Jisheng Zhang
Patrick Williams
Chris Packham
Dan Carpenter
Dmitry Torokhov
Linus Torvalds
Otto Meier