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Shrinks eth1394.ko by about 5%.
Many of these functions have only one caller and are therefore auto-
inlined anyway.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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ether1394_add_host() guarantees that hi->dev != NULL if hi != NULL.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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Warn if hpsb_allocate_and_register_addrspace() failed.
Unregister the address space if something else failed.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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The comment says it all. This affects only asynchronous streams sent
via raw1394; the eth1394 driver has own code and needs an own fix.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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SPIN_LOCK_UNLOCKED cleanup,use DEFINE_SPINLOCK instead
Signed-off-by: Milind Arun Choudhary <milindchoudhary@gmail.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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Shrinks object file size a little bit.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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Everytime when eth1394 or a libraw1394 client updates the configuration
ROM, a certain sysfs attribute cannot be added since it already exists.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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This is a coding style touch-up for ieee1394's handle_incoming_packet().
A preprocessor macro contained hardwired variable names and, even worse,
the 'break' keyword. This macro is now unrolled and removed.
Also, all 'break's which had the effect of a return are replaced by
return. And a FIXME comment is brought up to date.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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alpha:
drivers/ieee1394/iso.c: In function 'hpsb_iso_xmit_sync':
drivers/ieee1394/iso.c:440: error: invalid use of undefined type 'struct task_struct'
drivers/ieee1394/iso.c:440: error: 'TASK_INTERRUPTIBLE' undeclared (first use in this function)
drivers/ieee1394/iso.c:440: error: (Each undeclared identifier is reported only once
drivers/ieee1394/iso.c:440: error: for each function it appears in.)
drivers/ieee1394/iso.c:440: warning: implicit declaration of function 'signal_pending'
drivers/ieee1394/iso.c:440: error: invalid use of undefined type 'struct task_struct'
drivers/ieee1394/iso.c:440: warning: implicit declaration of function 'schedule'
drivers/ieee1394/iso.c: In function 'hpsb_iso_wake':
drivers/ieee1394/iso.c:562: error: 'TASK_INTERRUPTIBLE' undeclared (first use in this function)
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> (brought into alphabetic order)
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Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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drivers/ieee1394/ieee1394_transactions.c fails for me if CONFIG_SMP=n
gcc complains:
CC drivers/ieee1394/ieee1394_transactions.o
drivers/ieee1394/ieee1394_transactions.c: In function 'hpsb_get_tlabel':
drivers/ieee1394/ieee1394_transactions.c:183: error:
'TASK_INTERRUPTIBLE' undeclared (first use in this function)
drivers/ieee1394/ieee1394_transactions.c:183: error: (Each undeclared
identifier is reported only once
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> (added comment)
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Fix printk format string:
drivers/ieee1394/ieee1394_core.c:702: warning: format '%d' expects type 'int', but argument 2 has type 'size_t'
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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This considerably reduces the memory requirements for a packet and
eliminates ieee1394's dependency on CONFIG_NET.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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This will point out firmware bugs.
I tested with 11 SBP-2 devices and one OS X PC and got these errors from
two old CD-RWs only.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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Code beneath two labels called "fail" is actually also reached in case
of success.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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We want bugs to show themselves.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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Make unnecessarily generic code specific and thus simpler.
Shrink a lookup table from 128 to 16 bytes.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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Whitespace, line breaks, braces...
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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The biggest chunk ever allocated by CSR1212_MALLOC is 1024 Bytes +
sizeof(struct csr1212_csr_rom_cache) big. Most of the time much
smaller data structures are allocated. Therefore vmalloc is a waste.
The one exception is csr1212_append_new_cache() which is called to
append a chunk of CSR1212_EXTENDED_ROM_SIZE + sizeof(struct
csr1212_csr_rom_cache) if the currently allocated ROM cache is too
small. CSR1212_EXTENDED_ROM_SIZE is generously defined as 256 kBytes.
In SVN commit 1220, Steve Kinneberg lowered this to 2 kBytes in the
config_rom_2.4 branch. This same commit also switched CSR1212_MALLOC
from kmalloc to vmalloc in the SVN trunk branch:
> r1220 | kberg | 2004-05-31 01:51:44 +0200 (Mon, 31 May 2004) | 13 lines
>
> CSR1212 Extended ROM bug fixes:
> trunk line changes:
> - Use vmalloc instead of kmalloc
> - Change delayed_reset_bus() to operate in a work_queue instead of a
> timer interrupt.
> - Fix hpsb_allocate_and_register_addrspace() to not allocate space
> on top of already allocated space.
> - Fix problems in csr1212.c filling ConfigROM images when extend
> ROMs are present.
> config-rom-2.4 changes:
> - Changed extended rom allocation from 256K to 8K.
(It was actually 2 kB, not 8 kB.)
> - Fix hpsb_allocate_and_register_addrspace() to not allocate space
> on top of already allocated space.
> - Fix problems in csr1212.c filling ConfigROM images when extend
> ROMs are present.
I am now setting CSR1212_EXTENDED_ROM_SIZE to 2 kB minus the overhead of
struct csr1212_csr_rom_cache. Note, this code path is not used by the
in-kernel drivers though. raw1394 could trigger it, but the respective
libraw1394 functions don't exist yet.
Furthermore, userspace programs can replace the entire local ROM via
raw1394. If kmalloc does not fulfill their needs --- well, tough luck.
I decree that nobody needs such huge extended ROMs. (Extended ROMs are
defined by IEEE 1212 clause 7.7.18. The spec does not impose
practically relevant restrictions on the size of extended ROM chunks.)
Another potentially demanding use of CSR1212_MALLOC is if external
FireWire devices come with Extended ROM entries. If they are too big
for kmalloc (or have been too big for vmalloc) we just fail to read
their ROM. This is quite unlikely though, to my knowledge.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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This small reorganization of public csr1212 functions saves one
exported symbol and a few bytes in the driver modules.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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return -EINVAL becomes BUG_ON in checks of function call parameters.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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Use u8, u32 etc. instead of u_int8_t, csr1212_quad_t etc.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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csr1212 was written to be compiled either as part of the ieee1394 kernel
driver or of an anticipated IEEE 1212 userspace library. We now drop
support for the latter. The costs in terms of code footprint and depth
of abstraction are not countered by any actual benefit.
Also remove some obsolete #includes.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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Delete unused code.
Make some extern functions static.
Remove superfluous inline keywords.
Move private definitions from csr1212.h to csr1212.c.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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drivers/ieee1394/sbp2.c: In function 'sbp2util_access_timeout':
drivers/ieee1394/sbp2.c:399: error: 'TASK_INTERRUPTIBLE' undeclared (first use in this function)
drivers/ieee1394/sbp2.c:399: error: (Each undeclared identifier is reported only once
drivers/ieee1394/sbp2.c:399: error: for each function it appears in.)
drivers/ieee1394/sbp2.c:399: warning: implicit declaration of function 'signal_pending'
drivers/ieee1394/sbp2.c:399: warning: implicit declaration of function 'schedule_timeout'
drivers/ieee1394/sbp2.c: In function 'sbp2_prep_command_orb_sg':
drivers/ieee1394/sbp2.c:1438: warning: implicit declaration of function 'page_address'
drivers/ieee1394/sbp2.c:1438: warning: passing argument 2 of 'dma_map_single' makes pointer from integer without a cast
drivers/ieee1394/sbp2.c: In function 'sbp2_handle_status_write':
drivers/ieee1394/sbp2.c:1842: error: 'TASK_INTERRUPTIBLE' undeclared (first use in this function)
Possibly due to changes in -mm, but this file should explicitly include the
headers for the stuff it uses.
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> (brought into alphabetic order)
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When the command ORB pool is created, the ORB list won't be accessed
concurrently. Therefore we don't have to take the spinlock there.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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Unlike the name suggests, "cmd->scatter_gather_element" holds only the
s/g table, not the actual s/g elements. Since the table is only read
but never written by the device, DMA_BIDIRECTIONAL can be replaced by
DMA_TO_DEVICE which may be cheaper on some architectures.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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In order to use OHCI-1394 physical DMA, all s/g elements, s/g tables,
ORBs, and response buffers have to reside within the first 4 GB of the
FireWire controller's physical address space. Set the correct mask for
DMA mappings.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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The members "dma_addr_t command_orb_dma" and "dma_addr_t sge_dma" of
sbp2.h::sbp2_command_info do not have to be aligned themselves --- only
the memory which they point to has to be.
The member "struct sbp2_command_orb command_orb" has to be aligned on
4 bytes boundary which is guaranteed because it contains u32 members.
The member "struct sbp2_unrestricted_page_table scatter_gather_element",
i.e. the SBP-2 s/g table, has to be aligned on 8 bytes boundary
according to the SBP-2 spec. This is not a requirement for FireWire
controllers but could be expected by SBP-2 targets.
I see no need to align the members command_orb and
scatter_gather_element on CPU cacheline boundaries. It could have
performance benefits, but on the other hand sbp2 has a somewhat wasteful
allocation scheme which should be optimized first before further tweaks
like cacheline alignments. (E.g. don't always allocate SG_ALL s/g table
elements.)
Note, before as well as after the patch, the code relies on the
assumption that memory alignment in the virtual address space is
preserved in the physical address space after DMA mapping.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6
* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6:
sis900: Allocate rx replacement buffer before rx operation
usb-net/pegasus: simplify carrier detection
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Just found a hole in my last patch. It was reported to me that shortly after we
integrated this patch. The report was of an oops that took place inside of
netif_rx when using the sis900 driver. Looking at my origional patch I noted
that there was a spot between the new skb_alloc and the refill_rx_ring label
where skb got reassigned to the pointer currently held in the rx_ring for the
purposes of receiveing the frame. The result of this is however that the buffer
that gets passed to netif_rx (if it is called), then gets placed right back into
the rx_ring. So if you receive frames fast enough the skb being processed by
the network stack can get corrupted. The reporter is testing out the fix I've
written for this below (I'm not near my hardware at the moment to test myself),
but I wanted to post it for review ASAP. I'll post test results when I hear
them, but I think this is a pretty straightforward fix. It just uses a separate
pointer to do the rx operation, so that we don't improperly reassign the pointer
that we use to refill the rx ring.
Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Simplify pegasus carrier detection; rely only on the periodic MII
polling. Reverts pieces of c43c49bd61fdb9bb085ddafcaadb17d06f95ec43.
Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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* master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6:
[SCSI] esp_scsi.c: Fix compilation.
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* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6:
[NET]: Fix networking compilation errors
[AF_RXRPC/AFS]: Arch-specific fixes.
[AFS]: Fix VLocation record update wakeup
[NET]: Revert sk_buff walker cleanups.
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* git://git.infradead.org/mtd-2.6: (46 commits)
[MTD] [MAPS] drivers/mtd/maps/ck804xrom.c: convert pci_module_init()
[MTD] [NAND] CM-x270 MTD driver
[MTD] [NAND] Wrong calculation of page number in nand_block_bad()
[MTD] [MAPS] fix plat-ram printk format
[JFFS2] Fix compr_rubin.c build after include file elimination.
[JFFS2] Handle inodes with only a single metadata node with non-zero isize
[JFFS2] Tidy up licensing/copyright boilerplate.
[MTD] [OneNAND] Exit loop only when column start with 0
[MTD] [OneNAND] Fix access the past of the real oobfree array
[MTD] [OneNAND] Update Samsung OneNAND official URL
[JFFS2] Better fix for all-zero node headers
[JFFS2] Improve read_inode memory usage, v2.
[JFFS2] Improve failure mode if inode checking leaves unchecked space.
[JFFS2] Fix cross-endian build.
[MTD] Finish conversion mtd_blkdevs to use the kthread API
[JFFS2] Obsolete dirent nodes immediately on unlink, where possible.
Use menuconfig objects: MTD
[MTD] mtd_blkdevs: Convert to use the kthread API
[MTD] Fix fwh_lock locking
[JFFS2] Speed up mount for directly-mapped NOR flash
...
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This patch converts the pci_module_init() usage to pci_register_driver().
It's currently #if 0'ed, but still not a bad idea to change it.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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Fix miscellaneous networking compilation errors.
(*) Export ktime_add_ns() for modules.
(*) wext_proc_init() should have an ANSI declaration.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fixes for various arch compilation problems:
(*) Missing module exports.
(*) Variable name collision when rxkad and af_rxrpc both built in
(rxrpc_debug).
(*) Large constant representation problem (AFS_UUID_TO_UNIX_TIME).
(*) Configuration dependencies.
(*) printk() format warnings.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix the wakeup transitions after a VLocation record update completes
one way or another. This builds on Dave Miller's partial fix.
Also move wakeups outside the spinlocked sections.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This reverts eefa3906283a2b60a6d02a2cda593a7d7d7946c5
The simplification made in that change works with the assumption that
the 'offset' parameter to these functions is always positive or zero,
which is not true. It can be and often is negative in order to access
SKB header values in front of skb->data.
Signed-off-by: David S. Miller <davem@davemloft.net>
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irqreturn.h for irqreturn_t and dma_addr_t being u128 warnings ;-)
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch provides MTD support for NAND flash devices on CM-x270 modules.
Signed-off-by: Mike Rapoport <mike@compulab.co.il>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/usb-2.6: (78 commits)
USB: update MAINAINERS and CREDITS for Freescale USB driver
USB: update gadget files for fsl_usb2_udc driver
USB: add Freescale high-speed USB SOC device controller driver
USB: quirk for broken suspend of IT8152F/G
USB: iowarrior.c: timeouts too small in usb_control_msg calls
USB: dell device id for option.c
USB: Remove Huawei unusual_devs entry
USB: CP2101 New Device IDs
USB: add picdem device to ldusb
usbfs micro optimitation
USB: remove ancient/broken CRIS hcd
usb ethernet gadget, workaround network stack API glitch
USB: add "busnum" attribute for USB devices
USB: cxacru: ADSL state management
usbatm: Detect usb device shutdown and ignore failed urbs
USB: Remove duplicate define of OHCI_QUIRK_ZFMICRO
USB: BandRich BandLuxe HSDPA Data Card Driver
USB gadget rndis: fix struct rndis_packet_msg_type unaligned bug
USB Elan FTDI: check for driver registration status
USB: sierra: add more checks on shutdown
...
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ssh://master.kernel.org/pub/scm/linux/kernel/git/mchehab/v4l-dvb
* 'master' of ssh://master.kernel.org/pub/scm/linux/kernel/git/mchehab/v4l-dvb: (184 commits)
V4L/DVB (5563): Radio-maestro.c Replace radio_ioctl to use video_ioctl2
V4L/DVB (5562): Radio-gemtek-pci.c Replace gemtek_pci_ioctl to use video_ioctl2
V4L/DVB (5560): Ivtv: fix incorrect bitwise-and for command flags.
V4L/DVB (5558): Opera: use 7-bit i2c addresses
V4L/DVB (5557): Cafe_ccic: check return value of pci_enable_device
V4L/DVB (5556): Radio-gemtek.c Replace gemtek_ioctl to use video_ioctl2
V4L/DVB (5555): Radio-aimslab.c Replace rt_ioctl to use video_ioctl2
V4L/DVB (5554): Fix: vidioc_g_parm were not zeroing the memory
V4L/DVB (5553): Replace typhoon_do_ioctl to use video_ioctl2
V4L/DVB (5552): Plan-b: Switch to refcounting PCI API
V4L/DVB (5551): Plan-b: header change
V4L/DVB (5550): Radio-sf16fmi.c Replace fmi_do_ioctl to use video_ioctl2
V4L/DVB (5549): Radio-sf16fmr2.c Replace fmr2_do_ioctl to use video_ioctl2
V4L/DVB (5548): Fix v4l2 buffer to the length
V4L/DVB (5547): Add ENUM_FRAMESIZES and ENUM_FRAMEINTERVALS ioctls
V4L/DVB (5546): Radio-terratec.c Replace tt_do_ioctl to use video_ioctl2
V4L/DVB (5545): Saa7146: Release capture buffers on device close
V4L/DVB (5544): Budget-av: Make inversion setting configurable, add KNC ONE V1.0 card
V4L/DVB (5543): Tda10023: Add support for frontend TDA10023
V4L/DVB (5542): Budget-av: Remove polarity switching of the clock for DVB-C
...
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Add MAINAINERS and CREDITS entry for Freescale Highspeed USB device
driver.
Signed-off-by: Li Yang <leoli@freescale.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Update gadget_chip.c, ether.c for newly added Freescale Highspeed USB
device driver.
Signed-off-by: Li Yang <leoli@freescale.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Freescale high-speed USB SOC can be found on some Freescale processors
among different architectures. It supports both host and device functions.
This driver adds its device support for Linux USB Gadget layer.
It is tested on MPC8349 and MPC8313, but should work on other platforms
with minor tweaks. The driver passed USBCV 1.3 compliance tests. Note
that this driver doesn't yet include OTG support.
Signed-off-by: Li Yang <leoli@freescale.com>
Signed-off-by: Jiang Bo <tanya.jiang@freescale.com>
Signed-off-by: Bruce Schmid <duck@freescale.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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