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The chip was erroneously configured to accept all multicast frames
in a normal (none-promisc) rx mode both on the RSS and on the FCoE L2 rings
when in an NPAR mode. This caused packet duplication for every received multicast
frame in this mode.
Signed-off-by: Vladislav Zolotarov <vladz@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Early chipsets (gen2/3) used function 1 as a placeholder for multi-head.
We used to ignore these since they were not assigned to
PCI_CLASS_DISPLAY_VGA. However with 934f992c7 we attempt to bind to all
Intel PCI_CLASS_DISPLAY devices (and functions) to work in multi-gpu
systems. This fails hard on gen2/3.
Reported-by: Ferenc Wágner <wferi@niif.hu>
Tested-by: Ferenc Wágner <wferi@niif.hu>
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=28012
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: stable@kernel.org
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Replace the rather weird use of ++ with + 1 as the value is being assigned
Signed-off-by: Alan Cox <alan@linux.intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
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git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
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This error is reported by cppcheck:
drivers/net/vxge/vxge-config.c:3693: warning: Mutual exclusion over || always evaluates to true. Did you intend to use && instead?
It looks like cppcheck is correct, so fix this. No test was run.
Cc: Ramkrishna Vepa <ramkrishna.vepa@exar.com>
Cc: Sivakumar Subramani <sivakumar.subramani@exar.com>
Cc: Sreenivasa Honnur <sreenivasa.honnur@exar.com>
Cc: Jon Mason <jon.mason@exar.com>
Cc: netdev@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Stefan Weil <weil@mail.berlios.de>
Acked-by: Ram Vepa <ram.vepa@exar.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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free the skb's when the Tx of PAPRD frames fails and also add a debug
message indicating that.
Signed-off-by: Mohammed Shafi Shajakhan <mshajakhan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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When built with rcu checks enabled, vhost triggers
bogus warnings as vhost features are read without
dev->mutex sometimes, and private pointer is read
with our kind of rcu where work serves as a
read side critical section.
Fixing it properly is not trivial.
Disable the warnings by stubbing out the checks for now.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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There are a few error paths in ehci_hcd_omap_probe that can be triggered
because of memory allocation or hw failure. Change those dev_dbg error
prints to dev_err with an error code printed so that the end users are able
to notice the issue.
Signed-off-by: Jarkko Nikula <jhnikula@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Gadget MUSB driver handles dma mappings in musb_gadget_queue(). Where as it is
possible for dma code to reject the usb request later at ->channel_program()
called from txstate()/rxstate()
For example ->channel_program in tusb6010_omap.c:
static int tusb_omap_dma_program(struct dma_channel *channel, u16 packet_sz,
u8 rndis_mode, dma_addr_t dma_addr, u32 len)
{
...
if (unlikely(dma_addr & 0x1) || (len < 32) || (len > packet_sz))
return false;
...
if (dma_addr & 0x2)
return false;
...
}
In this case, usb request will be handled in PIO mode which renders dma mapping
operations unnecessary.
This patch adds an api to allow dma code to indicate incompatibility with usb
request. Gadget musb driver call this api, if available, before dma mappings to
avoid any unnecessary mapping operations.
Signed-off-by: Mian Yousaf Kaukab <mian.yousaf.kaukab@stericsson.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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If dma buffers are mapped by a higher layer, with a boolean musb_request.mapped
it is still possible to call dma_sync_single_for_device() from
musb_g_giveback(), even if txstate()/rxstate() has called unmap_dma_buffer()
before falling back to pio mode.
Moreover, check for musb_ep->dma is moved within map_dma_buffer() so where
applicable checks for it are removed. And where possible, checks for
is_dma_capable() are merged with buffer map state check.
Signed-off-by: Mian Yousaf Kaukab <mian.yousaf.kaukab@stericsson.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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We know that blackfin doesn't support double
buffering feature as of today. So we add a
flag set by musb_platform_init() to forcefully
disable that feature.
Such flag is created and marked as deprecated
to force us to find a solution for the missing
double buffering support on blackfin.
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Blackfin platform doesn't support 32bits musbdma registers, so change back to
use musb_read/writew instead of musb_read/writel and simply some format casts.
Signed-off-by: Bob Liu <lliubbo@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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musb_probe() only regards 0 as a wrong IRQ number, despite platform_get_irq()
that it calls returns -ENXIO in that case. It leads to musb_init_controller()
calling request_irq() with a negative IRQ number, and when it naturally
fails, the following is printed to the console:
request_irq -6 failed!
musb_init_controller failed with status -19
Fix musb_probe() to filter out the error values as well as 0.
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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This patch fixes kernel panic during s2ram, which is caused
by the below:
- musb is not put into drv data of musb platform device if
CONFIG_USB_MUSB_HDRC_HCD is defined
- glue layer driver always get musb instance via platform_get_drvdata.
The patch fixes the issue by always puting musb into drv data
of musb platform device, which is doable even the platform device
is a host controller device.
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Sergei Shtylyov <sshtylyov@mvista.com>
Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Serial devices send both pen and touch data through the same logical
port. Since we scaled touch to pen maximum, we use pen resolution
for touch as well here.
This is under the assumption that pen and touch share the same physical
surface. In the case when a small physical dimensional difference occurs
between pen and touch, we assume the tolerance for touch point precision
is higher than pen and the difference is within touch point tolerance.
A per-MT tool based resolution mechanism should be introduced if the
above assumption does not hold true for the pen and touch devices any
more.
Signed-off-by: Ping Cheng <pingc@wacom.com>
Reviewed-by: Henrik Rydberg <rydberg@euromail.se>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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This error was reported by cppcheck:
drivers/net/enc28j60.c:815: error: Using sizeof for array given as function argument returns the size of pointer.
The original code reads 4 or 8 bytes instead of TSV_SIZE (= 100) bytes.
I just fixed the code, but did not run any tests.
Signed-off-by: Stefan Weil <weil@mail.berlios.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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axnet_cs:
mdelay of 10ms is too long at ei_rx_overrun.
It should be reduced to 2ms.
Signed-off-by: Ken Kawasaki <ken_kawasaki@spring.nifty.jp>
Signed-off-by: David S. Miller <davem@davemloft.net>
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* 'fixes' of master.kernel.org:/home/rmk/linux-2.6-arm:
ARM: smp_on_up: allow non-ARM SMP processors
ARM: io: ensure inb/outb() et.al. are properly ordered on ARMv6+
ARM: initrd: disable initrd if passed address overlaps reserved region
ARM: footbridge: fix debug macros
ARM: mmci: round down the bytes transferred on error
ARM: mmci: complete the transaction on error
ARM: 6642/1: mmci: calculate remaining bytes at error correctly
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6
* 'usb-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (42 commits)
usb: gadget: composite: avoid access beyond array max length
USB: serial: handle Data Carrier Detect changes
USB: gadget: Fix endpoint representation in ci13xxx_udc
USB: gadget: Fix error path in ci13xxx_udc gadget probe function
usb: pch_udc: Fix the worning log issue at gadget driver remove
USB: serial: Updated support for ICOM devices
USB: ehci-mxc: add work-around for efika mx/sb bug
USB: unbreak ehci-mxc on otg port of i.MX27
drivers: update to pl2303 usb-serial to support Motorola cables
USB: adding USB support for Cinterion's HC2x, EU3 and PH8 products
USB serial: add missing .usb_driver field in serial drivers
USB: ehci-fsl: Fix 'have_sysif_regs' detection
USB: g_printer: fix bug in module parameter definitions
USB: g_printer: fix bug in unregistration
USB: uss720: remove duplicate USB device
MAINTAINERS: add ueagle-atm entry
USB: EHCI: fix DMA deallocation bug
USB: pch_udc: support new device ML7213 IOH
usb: pch_udc: Fixed issue which does not work with g_serial
usb: set ep_dev async suspend should be later than device_initialize
...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6
* 'staging-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6: (26 commits)
staging: r8712u: Add new device IDs
staging: brcm80211: fix suspend/resume issue in brcmsmac
staging: brcm80211: remove assert to avoid panic since 2.6.37 kernel
Staging: iio: Aditional fixpoint formatted output bugfix
staging: usbip: vhci: use urb->dev->portnum to find port
staging: usbip: vhci: handle EAGAIN from SO_RCVTIMEO
staging: usbip: vhci: friendly log messages for connection errors
staging: usbip: vhci: refuse to enqueue for dead connections
staging: usbip: vhci: give back URBs from in-flight unlink requests
staging: usbip: vhci: update reference count for usb_device
staging: usbip: stub: update refcounts for devices and interfaces
staging: tidspbridge: replace mbox callback with notifier_call
staging: comedi: ni_labpc: Use shared IRQ for PCMCIA card
Staging: speakup: &&/|| confusion in silent_store()
iio: Fixpoint formatted output bugfix
staging: rt2860: Fix incorrect netif_stop_queue usage warning
staging: r8712u: Fix memory leak in firmware loading
staging: tidspbridge: configure full L1 MMU range
staging: rt2870sta: Add ID for Linksys WUSB100v2
Staging: xgfib: put parenthesis in the right place
...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6
* 'tty-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6:
tty/serial: fix apbuart build
n_hdlc: fix read and write locking
serial: unbreak billionton CF card
tty: use for_each_console() and WARN() on sysfs failures
vt: fix issue when fbcon wants to takeover a second time.
Fix up trivial conflict in drivers/tty/tty_io.c
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Without this dependency the softing driver will be buildable on s390,
where it fails.
Signed-Off-By: Chuck Ebbert <cebbert@redhat.com>
Acked-by: Kurt Van Dijck <kurt.van.dijck@eia.be>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When DEBUG_SPI is included in the debug log level wl1271_spi_reset()
will dump the already freed memory instead of the SPI buffer.
This bug was spotted by the semantic patch tool coccinelle using the
script found at scripts/coccinelle/free/kfree.cocci.
More information about semantic patching is available at
http://coccinelle.lip6.fr/
Signed-off-by: Mathias Krause <minipli@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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One saa7111 device is reporting a different ID:
saa7115 0-0024: chip found @ 0x48 (ID 0f7111d0e111111) does not match a known saa711x chip.
As this is for sure a saa7111, change the detection code to also
cover this device.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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The streamzap driver has relatively low sampling resolution, and any
delays in reporting events seem to cause some minor problems for the
likes of irw when using the lirc bridge driver, resulting in a single
keypress registering as multiple independent ones, rather than as a
single press with repeats. If we call ir_raw_event_handle() more
frequently and reset the rawir kfifo at end-of-signal, the behavior
improves quite a bit.
Signed-off-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Make sure rawir struct is zeroed out before populating it for each
ir_raw_event_store_with_filter() call, and when we see a trailing 0x80
packet (end-of-data), issue an ir_raw_event_reset() call.
Signed-off-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Due to my own stupidity, some of the wrong time unit conversion macros
were being used inside some of the IR drivers I've been working on. Fix
that, and convert over some additional places to also use the macros.
Signed-off-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Some occasionally useful debug spew disappeared as part of a feature
update a while back, and I'm finding myself in need of it again to help
diagnose some issues.
Signed-off-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Add the same "are you ready?" i2c_master_send() poll command to
get_key_haup_xvr found in lirc_zilog, which is apparently seen in
the Windows driver for the PVR-150 w/a z8. This stabilizes what is
received from both the HD-PVR and HVR-1950, even with their polling
intervals at the default of 100, thus the removal of the custom
260ms polling_interval in pvrusb2-i2c-core.c.
Acked-by: Andy Walls <awalls@md.metrocast.net>
Acked-by: Mike Isely <isely@isely.net>
Signed-off-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Both the HD-PVR and HVR-1950, driven by the hdpvr and pvrusb2 drivers
respectively, have a zilog z8 chip exposed via i2c. These are both
usb-connected devices, and on both of them, back-to-back i2c_master_send
calls that work fine with a z8 on a pci card fail with a -EIO, as the
chip isn't yet ready from the prior command. To cope with that, add a
delay and retry loop where necessary.
Acked-by: Andy Walls <awalls@md.metrocast.net>
Signed-off-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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We have to actually call i2c_new_device() once for each of the rx and tx
addresses. Also improve error-handling and device remove i2c cleanup.
Reviewed-by: Andy Walls <awalls@md.metrocast.net>
Signed-off-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Per http://mediacenterguides.com/book/export/html/31 and investigation
by Erin, we were missing these last three mappings to complete the mce
key table. Lets remedy that.
Reported-by: Erin Simonds <fisslefink@gmail.com>
Signed-off-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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In some cases, some frames may not end with the JPEG end of frame.
Being not complete, they are now discarded.
Signed-off-by: Jean-François Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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The problem was introduced by the commit 2af0b4c60cc0daf0.
Some registers were no more initialized.
Tested-by: <Giovanni Scafora giovanni@archlinux.org>
Tested-by: <Sergey Manucharian sm@ingeniware.com>
Signed-off-by: Jean-François Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Signed-off-by: Jean-François Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Hugh Dickins found that characters in xterm were going missing and oft
delayed. Being the curious type, he managed to associate this with the
new high-precision vblank patches; disabling these he found, restored
the orderliness of his characters.
The oddness begins when one realised that Hugh was not using vblanks at
all on his system (fvwm and some xterms). Instead, all he had to go on
were warning of a pipe underrun, curiously enough at around 60Hz. He
poked and found that in addition to the underrun warning, the hardware
was flagging the start of a new frame, a vblank, which in turn was
kicking off the pending vblank processing code.
There is little we can do for the underruns on Hugh's machine, a
Crestline [965GM], which must have its FIFO watermarks set to 8.
However, we do not need to process the vblank if we know that they are
disabled...
Reported-by: Hugh Dickins <hughd@google.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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By setting the FB of a CRTC to NULL, we are turning off the CRTC (and so
disable the unused encoders and connectors). As such we can simplify the
later tests by making sure the set->mode is NULL. Setting the
num_connectors to zero means that we do not need to loop over the unused
connectors.
All current usage appears correct, this only builds additional defense
into the routine.
References: https://bugzilla.kernel.org/show_bug.cgi?id=27722
Tested-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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In drm_crtc_helper_set_config, we call drm_crtc_helper_set_mode which
may return early and do no operation if the crtc is to be disabled. In
this case we merrily swap to the new fb, discarding the old_fb believing
that it has been cleaned up. However, due to the early return, the
old_fb was not presented to the backend for correct reaping, and nor was
the new one - which is about to be reaped via the
drm_helper_disable_unused_functions(), leading to incorrect refcounting
of the pinned objects.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=27722
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=29857
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=29230
Tested-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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As per the reference manual, bit "L" should be set while bit "C"
should be cleared for the last buffer descriptor in the non-cyclic
chain, so that sdma can stop trying to find the next BD and end
the transfer.
In case of sdma_prep_slave_sg(), BD_LAST needs to be set and BD_CONT
be cleared for the last BD.
Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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sdma_handle_channel_loop() is the handler of cyclic tx. One period
success does not really mean the success of the tx. Instead of
DMA_SUCCESS, DMA_IN_PROGRESS should be the one to tell.
Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The sdmac->status was designed to reflect the status of the tx,
so simply return it in sdma_tx_status(). Then dma client can call
dma_async_is_tx_complete() to know the status of the tx.
Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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sdma_prep_slave_sg()
sdma_prep_dma_cyclic() sets sdmac->status to DMA_ERROR in err_out,
and sdma_prep_slave_sg() needs to do the same. Otherwise,
sdmac->status stays at DMA_IN_PROGRESS, which will make the function
return immediately next time it gets called.
Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This is a leftover from the time that the driver did not have
sdma_prep_dma_cyclic callback and implemented sound dma as a looped
sg chain. And it can be removed now.
Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The capabilities are device specific fields, not channel specific fields.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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