| Age | Commit message (Collapse) | Author |
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When perparing cyclic_dma buffers by the sound layer, it will dump the
following lockdep trace. The leading snd_pcm_action_single get called
with read_lock_irq called. To fix this, we change the kcalloc call from
GFP_KERNEL to GFP_ATOMIC.
WARNING: at kernel/lockdep.c:2740 lockdep_trace_alloc+0xcc/0x114()
DEBUG_LOCKS_WARN_ON(irqs_disabled_flags(flags))
Modules linked in:
CPU: 0 PID: 832 Comm: aplay Not tainted 3.11.0-20130823+ #903
Backtrace:
[<c000b98c>] (dump_backtrace+0x0/0x10c) from [<c000bb28>] (show_stack+0x18/0x1c)
r6:c004c090 r5:00000009 r4:c2e0bd18 r3:00404000
[<c000bb10>] (show_stack+0x0/0x1c) from [<c02f397c>] (dump_stack+0x20/0x28)
[<c02f395c>] (dump_stack+0x0/0x28) from [<c001531c>] (warn_slowpath_common+0x54/0x70)
[<c00152c8>] (warn_slowpath_common+0x0/0x70) from [<c00153dc>] (warn_slowpath_fmt+0x38/0x40)
r8:00004000 r7:a3b90000 r6:000080d0 r5:60000093 r4:c2e0a000 r3:00000009
[<c00153a4>] (warn_slowpath_fmt+0x0/0x40) from [<c004c090>] (lockdep_trace_alloc+0xcc/0x114)
r3:c03955d8 r2:c03907db
[<c004bfc4>] (lockdep_trace_alloc+0x0/0x114) from [<c008f16c>] (__kmalloc+0x34/0x118)
r6:000080d0 r5:c3800120 r4:000080d0 r3:c040a0f8
[<c008f138>] (__kmalloc+0x0/0x118) from [<c019c95c>] (imxdma_prep_dma_cyclic+0x64/0x168)
r7:a3b90000 r6:00000004 r5:c39d8420 r4:c3847150
[<c019c8f8>] (imxdma_prep_dma_cyclic+0x0/0x168) from [<c024618c>] (snd_dmaengine_pcm_trigger+0xa8/0x160)
[<c02460e4>] (snd_dmaengine_pcm_trigger+0x0/0x160) from [<c0241fa8>] (soc_pcm_trigger+0x90/0xb4)
r8:c058c7b0 r7:c3b8140c r6:c39da560 r5:00000001 r4:c3b81000
[<c0241f18>] (soc_pcm_trigger+0x0/0xb4) from [<c022ece4>] (snd_pcm_do_start+0x2c/0x38)
r7:00000000 r6:00000003 r5:c058c7b0 r4:c3b81000
[<c022ecb8>] (snd_pcm_do_start+0x0/0x38) from [<c022e958>] (snd_pcm_action_single+0x40/0x6c)
[<c022e918>] (snd_pcm_action_single+0x0/0x6c) from [<c022ea64>] (snd_pcm_action_lock_irq+0x7c/0x9c)
r7:00000003 r6:c3b810f0 r5:c3b810f0 r4:c3b81000
[<c022e9e8>] (snd_pcm_action_lock_irq+0x0/0x9c) from [<c023009c>] (snd_pcm_common_ioctl1+0x7f8/0xfd0)
r8:c3b7f888 r7:005407b8 r6:c2c991c0 r5:c3b81000 r4:c3b81000 r3:00004142
[<c022f8a4>] (snd_pcm_common_ioctl1+0x0/0xfd0) from [<c023117c>] (snd_pcm_playback_ioctl1+0x464/0x488)
[<c0230d18>] (snd_pcm_playback_ioctl1+0x0/0x488) from [<c02311d4>] (snd_pcm_playback_ioctl+0x34/0x40)
r8:c3b7f888 r7:00004142 r6:00000004 r5:c2c991c0 r4:005407b8
[<c02311a0>] (snd_pcm_playback_ioctl+0x0/0x40) from [<c00a14a4>] (vfs_ioctl+0x30/0x44)
[<c00a1474>] (vfs_ioctl+0x0/0x44) from [<c00a1fe8>] (do_vfs_ioctl+0x55c/0x5c0)
[<c00a1a8c>] (do_vfs_ioctl+0x0/0x5c0) from [<c00a208c>] (SyS_ioctl+0x40/0x68)
[<c00a204c>] (SyS_ioctl+0x0/0x68) from [<c0009380>] (ret_fast_syscall+0x0/0x44)
r8:c0009544 r7:00000036 r6:bedeaa58 r5:00000000 r4:000000c0
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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Commit d0380e6c3c0f6edb986d8798a23acfaf33d5df23 (early_printk:
consolidate random copies of identical code) added in 3.10 introduced
a check for con->index == -1 in early_console_register().
Initialize index to -1 for the xenboot console so earlyprintk=xen
works again.
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Jiri Slaby <jslaby@suse.cz>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Also clean up the last item of the pci id list to be "cleaner".
Signed-off-by: David Cohen <david.a.cohen@linux.intel.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The `insn_bits` handler `ni_65xx_dio_insn_bits()` has a `for` loop that
currently writes (optionally) and reads back up to 5 "ports" consisting
of 8 channels each. It reads up to 32 1-bit channels but can only read
and write a whole port at once - it needs to handle up to 5 ports as the
first channel it reads might not be aligned on a port boundary. It
breaks out of the loop early if the next port it handles is beyond the
final port on the card. It also breaks out early on the 5th port in the
loop if the first channel was aligned. Unfortunately, it doesn't check
that the current port it is dealing with belongs to the comedi subdevice
the `insn_bits` handler is acting on. That's a bug.
Redo the `for` loop to terminate after the final port belonging to the
subdevice, changing the loop variable in the process to simplify things
a bit. The `for` loop could now try and handle more than 5 ports if the
subdevice has more than 40 channels, but the test `if (bitshift >= 32)`
ensures it will break out early after 4 or 5 ports (depending on whether
the first channel is aligned on a port boundary). (`bitshift` will be
between -7 and 7 inclusive on the first iteration, increasing by 8 for
each subsequent operation.)
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Cc: <stable@vger.kernel.org> # 3.10.y 3.11.y 3.12.y
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch bumps the default number of tags allocated per session by
iscsi-target via transport_alloc_session_tags() -> percpu_ida_init()
by another (tag_num / 2).
This is done to take into account the tags waiting to be acknowledged
and released in iscsit_ack_from_expstatsn(), but who's number are not
directly limited by the CmdSN Window queue_depth being enforced by
the target.
Using a larger value here is also useful to prevent percpu_ida_alloc()
from having to steal tags from other CPUs when no tags are available
on the local CPU, while waiting for unacknowledged tags to be released.
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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This patch converts iscsit_ack_from_expstatsn() to populate a local
ack_list of commands, and call iscsit_free_cmd() directly from RX
thread context, instead of using iscsit_add_cmd_to_immediate_queue()
to queue the acknowledged commands to be released from TX thread
context.
It is helpful to release the acknowledge commands as quickly as
possible, along with the associated percpu_ida tags, in order to
prevent percpu_ida_alloc() from having to steal tags from other
CPUs while waiting for iscsit_free_cmd() to happen from TX thread
context.
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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This patch changes transport_generic_free_cmd() to only wait_for_tasks
when shutdown=true is passed to iscsit_free_cmd().
With the advent of >= v3.10 iscsi-target code using se_cmd->cmd_kref,
the extra wait_for_tasks with shutdown=false is unnecessary, and may
end up causing an extra context switch when releasing WRITEs.
Cc: stable@vger.kernel.org # 3.10+
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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Change the MODULE_DESCRIPTION to something useful instead of the
generic "Comedi low-level driver".
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Tidy up the multi-line comments to follow the CodingStyle.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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For aesthetics, add some whitespace.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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For aesthetics, allocate the private data memory before attempting
to enable the PCI device.
Add some whitespace to the subdevice init.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Do the request_irq() before setting up the subdevices. Only initialize
the interrupt subdevice if the irq is actually available.
Tidy up the whitespace in the subdevice init.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Factor the board reset code out of the (*attach). Do the reset as
soon as possible to ensure the interrupts are disabled.
For convienence, use the ni6257_reset() during the (*detach) instead
of just disabling the interrupts.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The COMEDI_MITE driver is a wrapper for the National Instruments
PCI MITE ASIC. This driver includes the PCI boilerplate used to
remap the resources as well as the support code for bus mastered
DMA.
The ni_6527 does not support DMA and the COMEDI_MITE driver adds
unnecessary complexity.
Remove the need for the COMEDI_MITE driver by handling the ioremap
directly in the (*attach). Store the ioremap'ed address in the
private data.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Handle the instruction (data[0]) with a switch to make it easier
to add additional instructions in the future.
To clarify the code, factor out the code that sets the rising/falling
edge detection.
Rename the CamelCase defines used for the rising/falling edge detection
registers.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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For aesthetics, use a local variable for the __iomem base address
used to write to the registers.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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For aesthetics, use a local variable for the __iomem base address
used to write to the registers.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Rename the CamelCase defines used for the interrupt control register.
To clarify the code a bit, add two new defines to enable/disable the
interrupts.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Rename the CamelCase defines used for the clear register.
To clarify the code a bit, add two new defines that group the bits needed
to clear the interrupts and reset the digital input deglitch filter.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Rename the CamelCase defines used for the interrupt status register.
The NI6527_STATUS_IRQ bit will be set whenever the device is asserting
an interrupt. Modify the function a bit so this is the only requirement
for the interrupt to be IRQ_HANDLED. Currently an OVERFLOW interrupt is
not handled, though it's unlikely this would occur without an EDGE
interrupt.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The comedi_subdevice in the interrupt handler is the dev->read_subdev
that was initialized during the attach. Use that instead of accessing
the dev->subdevices[] array directly.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The digital input and output ports are different. Split the CamelCase
Port_Register() define into separate NI6527_DI_REG() and NI6527_DO_REG()
defines to make this clear.
Tidy up the functions a bit.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The core will validate the insn->n value based on the actual instruction
(data[0]) that is being handled. Remove the sanity check and change the
instruction handling into a switch. This follows the normal format for
(*insn_config) functions and make adding additional instructions easier.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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To clarify the digital input subdevice (*insn_config) a bit, factor out the
code that sets the filter enables to enable deglitching the digital inputs.
Also, rename the CamelCase define used for the filter enable registers.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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To clarify the digital input subdevice (*insn_config) a bit, factor out the
code that sets the filter interval for deglitching the digital inputs.
Also, rename the CamelCase define used for the filter interval registers.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The dev_info() showing the board id is just extra noise.
Remove it but make sure the probed id is correct. Rename the CamelCase
define used for the id register.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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These defines are not used in the driver. Remove them.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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These defines are not used in the driver. Remove them.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The request_irq() call should be using dev->board_name to better
identify the irq user.
Remove the DRIVER_NAME define and just open code the 'driver_name' in
the comedi_driver and the 'name' in the pci_driver declarations.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This driver works with "at-ao-6/10" boards not "ai-ao-6/10" boards.
Fix the names in the boardinfo.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Change the MODULE_DESCRIPTION to something useful instead of the
generic "Comedi low-level driver".
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Cleanup the multi-line comments to follow the CodingStyle.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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For aesthetics, add some whitespace to the subdevice init.
Remove the printk noise at the end of the attach.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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For aesthetics, rename this function to help with greps.
Tidy up this function to follow the normal format for analog
output read back functions.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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For aesthetics, rename this function to help with greps.
For channel 0, register group 1 only needs to be selected before
writing the values and restored to group 0 when the writes are
finished. Move the code out of the for () loop.
Use the comedi_ffset_munge() helper to handle the offset binary to
two's complement munging.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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To clarify the code a bit, introduce a helper function to set/clear
the GRP2WR bit in the CFG1 register. This bit selects which group of
registers are used for the registers that share the same I/O addresses.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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For aesthetics, move this function closer to it's only caller.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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For aesthetics, move the boardinfo declaration closer to the struct
definition. Also, remove the cut-and-paste skel driver comment.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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For aesthetics, rename the remaining register map defines so they
follow the same format as the ones already renamed.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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To better document the code, use the 8254.h helpers to set the
timers instead of doing the outb() instructions.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Rename the defines for the CFG3 register so they have namespace
associated with the driver.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The AT-AO-6/10 boards use DAC8800 TrimDACs to software calibrate the
analog output channels. These are exposed to the user as a calibration
subdevice.
Tidy up, and document, the calibration subdevice.
Since the TrimDACs are not readable, store the calibration values in the
private data for the user to read back as needed.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This member of the private data is initialized to '0' during the
board reset then never changed. Just remove it.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Rename the defines for the STATUS register so they have namespace
associated with the driver.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Rename the defines for the CFG1 register so they have namespace
associated with the driver.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The digital in and digital out registers on this board share the same
address. They also effect the same digital i/o pins. To make this clear
combine the two defines.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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For aesthetics, sort the register map defines so the normal registers
are listed first and then alternate registers (when the GRP2WR bit is
set).
Convert the register bit defines into bit shifts to make them clear.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This define is only used during the board attach to specify the
I/O region length. Remove the define and just open code the value.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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uFillDataHead in is now dead so remove and pvTxDataHd.
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add no rts/cts vnt_tx_datahead_ab to union vnt_tx_data_head.
The need_mic now applies to all modes of packet type PK_TYPE_11B.
and return vnt_rxtx_datahead_ab in s_vGenerateTxParameter
This removes pvTxDataHd pointer assignment and calls to s_uFillDataHead.
Since pvTxDataHd is now null a small vendor hack to vDMA0_tx_80211/csMgmt_xmit
to do with Disassociation-packet is also changed correct head position.
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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