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The size argument to ioremap_nocache should be the size of desired
information, not the pointer to it.
The semantic match that finds this problem is as follows:
(http://coccinelle.lip6.fr/)
// <smpl>
@expression@
expression *x;
@@
x =
<+...
*sizeof(x)
...+>// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Acked-by: Chien Tung <chien.tin.tung@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Update copyright from Intel-NE, Inc. to Intel Corporation. Use proper
branding string in Kconfig and simplify description.
Signed-off-by: Chien Tung <chien.tin.tung@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Add a check to nes_create_cq() to return -EINVAL if creating a CQ with
depth > max_cqe (32766).
Signed-off-by: Chien Tung <chien.tin.tung@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Remove unused and not really used variables.
Signed-off-by: Chien Tung <chien.tin.tung@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Add IB_SINGAL_ALL_WR support as an iWARP extension. If set, make sure
all WR for the QP are signalled. Consolidate flags used in nesqp
structure.
Signed-off-by: Chien Tung <chien.tin.tung@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Add additional PHY uC status check in case PHY firmware is not running
properly with heartbeat. Add a hard PHY reset if uC status is 0x0
after initial reset.
Signed-off-by: Chien Tung <chien.tin.tung@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Replace alloc_fmr, unmap_fmr, dealloc_fmr and map_phys_fmr with
alloc_fast_reg_mr, alloc_fast_reg_page_list, free_fast_reg_page_list.
Signed-off-by: Chien Tung <chien.tin.tung@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Always set bad_wr when an immediate error is detected. Do not report
success if an error occurred.
Signed-off-by: Frank Zago <fzago@systemfabricworks.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Always set bad_wr when an immediate error is detected.
Signed-off-by: Frank Zago <fzago@systemfabricworks.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Delete extra words in "is to takes advantage of".
Signed-off-by: Bart Van Assche <bart.vanassche@gmail.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Clarify the behavior of ib_post_send() when a list of work requests is
passed in and an immediate error is returned.
Signed-off-by: Bart Van Assche <bart.vanassche@gmail.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Add support for IB_WR_SEND_WITH_INV, IB_WR_RDMA_READ_WITH_INV
and IB_WR_LOCAL_INV.
Signed-off-by: Chien Tung <chien.tin.tung@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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On error, set bad_wr in nes_post_recv(). Stop processing ib_wr queue
when an error is detected.
Signed-off-by: Frank Zago <fzago@systemfabricworks.com>
Signed-off-by: Chien Tung <chien.tin.tung@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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On error, set bad_wr in nes_post_send(). Stop processing ib_wr queue
when an error is detected.
Signed-off-by: Frank Zago <fzago@systemfabricworks.com>
Signed-off-by: Chien Tung <chien.tin.tung@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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The pointer to struct gss_auth parameter in gss_add_msg is not really needed
after commit 5b7ddd4a. Zap it.
Signed-off-by: Suresh Jayaraman <sjayaraman@suse.de>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Len Brown <len.brown@intel.com>
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As Corentin points out, we do not create a backlight device if the ACPI
video driver is able to provide equivalent functionality. So we do need
to check before we try to update the backlight device.
We now ignore brightness events completely if we have not created a
backlight device. This is slightly more cautious than the original
check.
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
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fix styles problems introduced by commit
e86bda235a08b6a8e64c1e8bb9d175f6961554e3
Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Len Brown <len.brown@intel.com>
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Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Len Brown <len.brown@intel.com>
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Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Len Brown <len.brown@intel.com>
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Lenovo SL series laptop has a very similar DSDT with Asus laptops. We can
easily have the extra ACPI function support with little modification in
asus-laptop.c
Here is the hotkey enablement for Lenovo SL series laptop.
This patch will enable the following hotkey:
- Volumn Up
- Volumn Down
- Mute
- Screen Lock (Fn+F2)
- Battery Status (Fn+F3)
- WLAN switch (Fn+F5)
- Video output switch (Fn+F7)
- Touchpad switch (Fn+F8)
- Screen Magnifier (Fn+Space)
The following function of Lenovo SL laptop is still need to be enabled:
- Hotkey: KEY_SUSPEND (Fn+F4), KEY_SLEEP (Fn+F12), Dock Eject (Fn+F9)
- Rfkill for bluetooth and wlan
- LenovoCare LED
- Hwmon for fan speed
- Fingerprint scanner
- Active Protection System
Signed-off-by: Ike Panhc <ike.pan@canonical.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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The same key is used in toshiba-laptop, and there is no
reserved key for that.
Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Len Brown <len.brown@intel.com>
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Callback methods should not refer to a variable like "eeepc" (formally
"ehotk"). Instead, they should extract the data they need either from
a "driver data" parameter, or the "driver data" field of the object
which they operate on. The "eeepc" variable can then be removed.
In practice, drivers under "drivers/platform" can get away without using
driver data, because it doesn't make sense to have more than one
instance of them. However this makes it harder to review them for
correctness. This is especially true for core ACPI developers who have
not previously been exposed to this anti-pattern :-).
This will serve as an example of best practice for new driver writers
(whether they find it themselves, or have it pointed out during review
:-).
The hwmon sub-device is a special case. It uses ec_{read,write} which
are defined to communicate with the (first) EC, so it does not require
any driver data. It should still only be instantiated in the context of
an ASUS010 device because we don't have a safe way to probe for it.
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
CC: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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eeepc-laptop now does a lot more than just hotkeys. Replace the "hotk"
names used throughout the driver with some slightly more appropriate
names. The actual strings used in kernel messages and sysfs are left
unchanged.
e.g.
EEEPC_HOTK_FILE -> EEEPC_LAPTOP_FILE
EEEPC_HOTK_HID -> EEEPC_ACPI_HID
eeepc_hotk_notify -> eeepc_acpi_notify
struct eeepc_hotk -> struct eeepc_laptop
ehotk -> eeepc
I'm about to refactor the entire driver to remove the global "ehotk"
variable, and I don't wish to add "struct eeepc_hotk *ehotk" to
functions which have nothing to do with hotkeys.
Also
- fix the name of "eepc_get_entry_by_keycode()"
- remove the unused definition of NOTIFY_WLAN_ON.
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
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Move e.g. backlight_init() and backlight_exit() together along with the
other backlight functions, instead of grouping init() and exit()
functions. Move e.g. backlight_ops to follow the functions it refers
to, and remove the forward declarations. The code itself should remain
unchanged.
The eeepc-laptop driver implements a number of interfaces like the
backlight class driver. This change makes it easier to examine the
implementation of one interface at at a time, without having to search
through the file to find init() and exit() functions etc.
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
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This moves the sysfs_create_group() call just after the declaration of
the platform device attributes. It should make it easier to examine
the implementation of the platform device attributes in isolation
from the rest of the code. (The next commit will apply this pattern
to all of the sub-devices as well).
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk
Signed-off-by: Len Brown <len.brown@intel.com>
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Strictly speaking we should register the platform driver exactly once,
whether there are zero, one, or multiple matching acpi devices.
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
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Separate out input_notify(), in a similar way to how notify_brn()
is already separated. This will allow all the functions which refer to
the input device to be grouped together.
This includes a small behaviour change - we now synthesize brightness
up/down key events even if the brightness is already at the
maximum/minimum value. This is consistent with the new uevent
interface.
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
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The hwmon device uses ec_write() to write values to the EC. So for
consistency it should use ec_read() to read values. The extra layers
of indirection used did not add any value.
This may mean we no longer take the ACPI global lock for such reads
(if the EC operation region requires the lock and the EC does not).
But there is no point locking each one-byte read individually, when
write operations do not use the lock at all.
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
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We don't need to store init_flags after using them. And we don't use
the result of INIT, so we don't need to allocate a buffer for it.
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
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We already tell the backlight class our maximum brightness value; it
will validate the user requested values for us.
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
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eeepc_hotk_notify() cannot be called with ehotk == NULL or bd == NULL.
We check both variables for allocation failure and would bail out before
the notifier is registered.
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
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If the control method does not exist, return -ENODEV for consistency
with get_acpi()
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
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If we bail out because we can't create the led class device, we need to
ensure the led workqueue is cleaned up.
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
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Create the workqueue thread used by tpd_led_set() *before* we register
the led device. (And vice versa for unregistration).
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
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Documentation/hwmon/sysfs-interface tells us that automatic fan speed
control should be represented by a value of 2 or above for pwm1_enable.
Fix eeepc_get_fan_ctrl() to return 2 for automatic fan control.
Setting "1" for manual control is already consistent with the
documentation, so this remains unchanged.
Let's preserve the ABI for this specific driver, so that writing "0"
will still invoke automatic control.
(The documentation says setting "0" should leave the fan at full speed
all the time. This mode is not directly supported by our hardware. Full
speed is rather noisy on my 701 and the automatic control has never used
it. If you really want this e.g. to prolong the life of an EeePC used
as a server, you can always use manual mode. hwmon has always been
fairly machine-specific, and you're in a tiny minority (or elite :-).
I'm sure you're smart enough to notice that the fan doesn't turn on to
full speed when you try this mode, either by ear or checking
fan_input1.
We could even claim to be honouring the spirit of the documentation.
"0" really means "safe mode". EeePCs default to automatic mode, ie that
is what Asus will actually test. Since we do not provide any way to
tamper with the temperature threshold, automatic mode _is_ the safe
option).
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
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The owner field provides the link between drivers and modules in sysfs,
but no ACPI driver was setting it.
After setting the owner field, we can see which module provides which
driver and vice versa by looking at /sys/bus/acpi/driver/*/module and
/sys/module/*/drivers/acpi:*.
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
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acpi_bus_register_driver() already checks acpi_disabled, so acpi bus
drivers don't need to.
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
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The acpi device callbacks add, start, remove, suspend and resume can
never be called with a NULL acpi_device. Each callsite in acpi/scan.c
has to dereference the device in order to get the ops structure, e.g.
struct acpi_device *acpi_dev = to_acpi_device(dev);
struct acpi_driver *acpi_drv = acpi_dev->driver;
if (acpi_drv && acpi_drv->ops.suspend)
return acpi_drv->ops.suspend(acpi_dev, state);
Remove all checks for acpi_dev == NULL within these callbacks.
Also remove the checks for acpi_driver_data(acpi_dev) == NULL. None of
these checks could fail unless the driver does something strange
(which none of them do), the acpi core did something terribly wrong,
or we have a memory corruption issue. If this does happen then it's
best to dereference the pointer and crash noisily.
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
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This led can be found on Eeepc 1005 series.
Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Len Brown <len.brown@intel.com>
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The owner field provides the link between drivers and modules in sysfs,
but no ACPI driver was setting it.
After setting the owner field, we can see which module provides which
driver and vice versa by looking at /sys/bus/acpi/driver/*/module and
/sys/module/*/drivers/acpi:*.
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
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The owner field provides the link between drivers and modules in sysfs,
but no ACPI driver was setting it.
After setting the owner field, we can see which module provides which
driver and vice versa by looking at /sys/bus/acpi/driver/*/module and
/sys/module/*/drivers/acpi:*.
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
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acpi_bus_register_driver() already checks acpi_disabled, so acpi bus
drivers don't need to.
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
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acpi_bus_register_driver() already checks acpi_disabled, so acpi bus
drivers don't need to.
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
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The acpi device callbacks add, start, remove, suspend and resume can
never be called with a NULL acpi_device. Each callsite in acpi/scan.c
has to dereference the device in order to get the ops structure, e.g.
struct acpi_device *acpi_dev = to_acpi_device(dev);
struct acpi_driver *acpi_drv = acpi_dev->driver;
if (acpi_drv && acpi_drv->ops.suspend)
return acpi_drv->ops.suspend(acpi_dev, state);
Remove all checks for acpi_dev == NULL within these callbacks.
Also remove the checks for acpi_driver_data(acpi_dev) == NULL. None of
these checks could fail unless the driver does something strange
(which none of them do), the acpi core did something terribly wrong,
or we have a memory corruption issue. If this does happen then it's
best to dereference the pointer and crash noisily.
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
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The acpi device callbacks add, start, remove, suspend and resume can
never be called with a NULL acpi_device. Each callsite in acpi/scan.c
has to dereference the device in order to get the ops structure, e.g.
struct acpi_device *acpi_dev = to_acpi_device(dev);
struct acpi_driver *acpi_drv = acpi_dev->driver;
if (acpi_drv && acpi_drv->ops.suspend)
return acpi_drv->ops.suspend(acpi_dev, state);
Remove all checks for acpi_dev == NULL within these callbacks.
Also remove the checks for acpi_driver_data(acpi_dev) == NULL. None of
these checks could fail unless the driver does something strange
(which none of them do), the acpi core did something terribly wrong,
or we have a memory corruption issue. If this does happen then it's
best to dereference the pointer and crash noisily.
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
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Currently, reading from the disp attribute fails with "No such device",
which is misleading. According to CMSG table on acpi4asus project site,
no models have a getter method corresponding to SDSP. Change the file
permission to disallow reads.
If some joker changes the permission to permit reads, then return -EIO
to be consistent with sysfs' behaviour when no show() method is
provided.
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Len Brown <len.brown@intel.com>
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Use input_set_capability() instead of set_bit.
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Cc: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Len Brown <len.brown@intel.com>
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Log temperatures on any of the EC thermal alarms. It could be
useful to help tracking down what is happening...
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Len Brown <len.brown@intel.com>
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