Several magic numbers were used to represent rxdma csr register bitmasks.
Replace them with descriptive defines.
Signed-off-by: Mark Einon <mark.einon@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Trivial Whitespace changes only. No checkpatch errors exist in et131x
after this change.
Signed-off-by: Mark Einon <mark.einon@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The use of a kmem_cache was noted as being unusual in the TODO. Replace
the kmem_cache with kmalloc/kfree so that the code is less suprising.
Also tidy up the mess that was the et131x_init_recv() out of memory
error path.
Signed-off-by: Mark Einon <mark.einon@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
A previous change removed code that aligned memory returned from
dma_alloc_coherent() to a 4k boundary, which was not necessary.
Some comments regarding this alignment still exist, so remove them
as they no longer apply.
Signed-off-by: Mark Einon <mark.einon@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This change negates an 'if' statement, allowing a large block of code
to be un-indented, making the code more readable.
Signed-off-by: Mark Einon <mark.einon@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This padding was used to align buffers to a 4k boundary when returned
from dma_alloc_coherent(). As the buffers are already 4k aligned, and
the alignment no longer performed, the padding is not needed.
Signed-off-by: Mark Einon <mark.einon@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
By negating a 'status' variable check in et131x_isr(), we can remove
the indenting of a large block of code, increasing the readability.
This patch does exactly that.
Signed-off-by: Mark Einon <mark.einon@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
CONFIG_HOTPLUG is going away as an option so __devexit_p is no longer
needed.
Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: devel@driverdev.osuosl.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
CONFIG_HOTPLUG is going away as an option so __devinit is no longer
needed.
Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Acked-by: Mark Einon <mark.einon@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
CONFIG_HOTPLUG is going away as an option so __devexit is no
longer needed.
Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Acked-by: Mark Einon <mark.einon@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
"The cpu return address and the DMA bus master address are both
guaranteed to be aligned to the smallest PAGE_SIZE order which
is greater than or equal to the requested size."
There are several places in the et131x.c code where these addresses are
aligned to a 4k boundary after a call to dma_alloc_coherent(),
needlessly.
Remove these alignment offset calculations, and the
et131x_align_allocated_memory() call which is only used for 4k
alignments.
Signed-off-by: Mark Einon <mark.einon@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
In et131x_rx_dma_memory_alloc(), we loop over fbr_entries - the values of
fbr_align and fbr_chunksize calculated in the loop do not depend on the
loop counter and are the same for all loop iterations.
Take the calculations of these values out of the loop, as we only
need to calculate them once per loop, not once per loop iteration.
Signed-off-by: Mark Einon <mark.einon@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
A ring_index value of 0 is being used to reference the free buffer ring
fbr[1] and ring_index=1 is used to reference fbr[0]. Avoid this
confusing referencing by swapping the indicies so that ring_index=0
refers to fbr[0] and vice versa.
Signed-off-by: Mark Einon <mark.einon@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The fbr_lookup struct variables buffer1 and buffer2 are only assigned
and never used, so remove them.
Signed-off-by: Mark Einon <mark.einon@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
In the ethtool call et131x_get_regs(), some MII regs are missing.
Add them to the regs returned.
Signed-off-by: Mark Einon <mark.einon@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The PHY registers are now being controlled from the connected phydev,
so there shouldn't be any reason for the et131x code to perform any
extra setup. Removing the interrupt setup code, and register defines
that are now unused.
On testing, no changes in behaviour were experienced.
Signed-off-by: Mark Einon <mark.einon@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
During a previous refactoring excerise, two NULL pointer assingments
were moved to their respective pointer declarations. Dan Carpenter
correctly points out that these assignments are not needed.
Removing them.
Also two small whitespace changes - rejoining split lines, as they are
now less than 80 chars.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Mark Einon <mark.einon@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-Added some extra items to the TODO list.
Signed-off-by: Mark Einon <mark.einon@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
In nic_rx_pkts() some large chunks of code are indented in 'if (len)'
sections. Refactor the code to remove these indents and re-join longer
split lines.
Signed-off-by: Mark Einon <mark.einon@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Several places in et131x.c code is duplicated for fbr[0] and fbr[1].
Remove the duplicate lines and use loops to run over both indicies.
Signed-off-by: Mark Einon <mark.einon@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
dma_addr_t can be of size 64 or 32bits, depending on the architecture.
This fixes these build warnings for ARCH=i386, and also tested on x86_64:
drivers/staging/et131x/et131x.c: In function ‘et131x_rx_dma_memory_alloc’:
drivers/staging/et131x/et131x.c:2356:11: warning: passing argument 2 of ‘et131x_align_allocated_memory’ from incompatible pointer type [enabled by default]
drivers/staging/et131x/et131x.c:2260:13: note: expected ‘u64 *’ but argument is of type ‘dma_addr_t *’
drivers/staging/et131x/et131x.c:2378:11: warning: passing argument 2 of ‘et131x_align_allocated_memory’ from incompatible pointer type [enabled by default]
drivers/staging/et131x/et131x.c:2260:13: note: expected ‘u64 *’ but argument is of type ‘dma_addr_t *’
drivers/staging/et131x/et131x.c: In function ‘free_send_packet’:
drivers/staging/et131x/et131x.c:3540:5: warning: left shift count >= width of type [enabled by default]
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Mark Einon <mark.einon@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
USE_FBR0 has always been defined, even in the original driver code.
Remove the define and #ifdef code to leave the code in the same state.
Signed-off-by: Mark Einon <mark.einon@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
'>> 32 of a 32bit value is undefined in C. The compiler is free
to do what it likes with this...'
Change all uses of '>> 32' to use upper_32_bits() and use
the corresponding lower_32_bits() to match.
Also remove an incorrect comment about dma alloc always returning 32bit
addresses.
Signed-off-by: Mark Einon <mark.einon@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
fbr_lookup.real_physaddr is only being used as a pseudonym for
fbr_lookup.ring_physaddr, so remove it and rename all instances to
ring_physaddr.
Signed-off-by: Mark Einon <mark.einon@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The driver checks that the device can handle 64bit DMA addressing in
et131x_pci_setup(), but then assumes that the top dword of a tx dma
address is always zero when creating a dma mapping in nic_send_packet().
Fix the mapping to use the higher dword of the dma_addr_t returned by
dma_map_single() and skb_frag_dma_map().
Also remove incorrect comments stating that dma_map_single() only returns
a 32 bit address.
Signed-off-by: Mark Einon <mark.einon@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
(skb->len - skb->data_len) is used in several places in the et131x
driver code. Converted all instances of this to use skb_headlen()
which is more readable.
Signed-off-by: Mark Einon <mark.einon@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Here is the big staging tree update for the 3.7-rc1 merge window.
There are a few patches in here that are outside of the staging area,
namely HID and IIO patches, but all of them have been acked by the
relevant subsystem maintainers. The IIO stuff is still coming in
through this tree as it hasn't entirely moved out of the staging tree,
but is almost there.
Other than that, there wa a ton of work on the comedi drivers to make
them more readable and the correct style. Doing that removed a lot of
code, but we added a new driver to the staging tree, so we didn't end up
with a net reduction this time around:
662 files changed, 51649 insertions(+), 26582 deletions(-)
All of these patches have been in the linux-next tree already.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v2.0.19 (GNU/Linux)
iEYEABECAAYFAlBp32YACgkQMUfUDdst+ymU5QCgm8KWB+dAO8ZFbmzhhm3C0VFl
wB0AoKbDj/tCiUHkJ70u/i3OHueKkpet
=ut2/
-----END PGP SIGNATURE-----
Merge tag 'staging-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging tree update from Greg Kroah-Hartman:
"Here is the big staging tree update for the 3.7-rc1 merge window.
There are a few patches in here that are outside of the staging area,
namely HID and IIO patches, but all of them have been acked by the
relevant subsystem maintainers. The IIO stuff is still coming in
through this tree as it hasn't entirely moved out of the staging tree,
but is almost there.
Other than that, there wa a ton of work on the comedi drivers to make
them more readable and the correct style. Doing that removed a lot of
code, but we added a new driver to the staging tree, so we didn't end
up with a net reduction this time around:
662 files changed, 51649 insertions(+), 26582 deletions(-)
All of these patches have been in the linux-next tree already.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"
* tag 'staging-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (1094 commits)
staging: comedi: jr3_pci: fix iomem dereference
staging: comedi: drivers: use comedi_fc.h cmdtest helpers
Staging: winbond: usb_free_urb(NULL) is safe
Staging: winbond: checkpatch cleanup
Staging: winbond: Removed undesired spaces, lines and tabs
Staging: winbond: Typo corrections in comments
Staging: winbond: Changed c99 comments to c89 comments
staging: r8712u: Do not queue cloned skb
staging: comedi: ni_mio_common: always lock in ni_ai_poll()
staging: comedi: s626: add FIXME comment
staging: comedi: s626: don't dereference insn->data
staging: comedi: s526: fix if() check in s526_gpct_winsn()
staging: comedi: s626: cleanup comments in s626_initialize()
staging: comedi: s626: remove clear of kzalloc'ed data
staging: comedi: s626: remove 'WDInterval' from private data
staging: comedi: s626: remove 'ChargeEnabled' from private data
staging: comedi: s626: remove 'IsBoardRevA' comment
staging: comedi: s626: #if 0 out the "SAA7146 BUG WORKAROUND"
staging: comedi: s626: remove 'allocatedBuf' from private data
staging: comedi: s626: add final attach message
...
Using is_zero_ether_addr() to simplify the code
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
using a wrapper around SET_ETHTOOL_OPS macro is not actually required,
remove and use SET_ETHTOOL_OPS directly.
Signed-off-by: Devendra Naga <devendra.aaru@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
remove code duplicating module_pci_driver
and also the obvious comments about the _init and _exit points.
Signed-off-by: Devendra Naga <devendra.aaru@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
These two places seem like they should be using bitwise OR instead of
bitwise AND. The first one is a noop which is equivalent to:
imr |= (0x0100 & 0x0004 & 0x0001);
The second is sets lcr2 to zero instead of just clearing the high bits.
lcr2 &= (0x00F0 & 0x000F);
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit fixes coding style issues including braces
position and line wrapping.
Signed-off-by: Adnan Ali <adnan.ali@codethink.co.uk>
Reviewed-by: Jannis Pohlmann <jannis.pohlmann@codethink.co.uk>
Acked-by: Mark Einon <mark.einon@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Remove all #inclusions of asm/system.h preparatory to splitting and killing
it. Performed with the following command:
perl -p -i -e 's!^#\s*include\s*<asm/system[.]h>.*\n!!' `grep -Irl '^#\s*include\s*<asm/system[.]h>' *`
Signed-off-by: David Howells <dhowells@redhat.com>
Unify return value of .ndo_set_mac_address if the given address
isn't valid. Return -EADDRNOTAVAIL as eth_mac_addr() already does
if is_valid_ether_addr() fails.
Signed-off-by: Danny Kukawka <danny.kukawka@bisect.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The below patch fixes some comments with typos in the them and makes a comment make more sense.
Signed-off-by: Justin P. Mattock <justinmattock@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
netif_rx is meant to be called from interrupts because it doesn't wake
up ksoftirqd. For calling from outside interrupts, netif_rx_ni exists.
This stops the error "NOHZ: local_softirq_panding 08" that happens on
some machines with NOHZ and plip --- it is caused by the fact that
softirq is pending and ksoftirqd is sleeping.
Signed-off-by: Mark Einon <mark.einon@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
In commit 834d0ee317 (uintxy_t removal) not all changes were trival text replacements, some converted u64 -> dma_addr_t.
In some configurations dma_addr_t is a u32, meaning that some bit operations cause build warnings. From Randy Dunlap:
----------------
on i386 (X86_32) builds:
drivers/staging/et131x/et131x.c:2483:8: warning: right shift count >= width of type
drivers/staging/et131x/et131x.c:2531:8: warning: right shift count >= width of type
----------------
Removed these by reverting dma_addr_t back to u64 types, as well as
reverting some other non-trivial changes from the aforementioned commit.
Reported-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Mark Einon <mark.einon@gmail.com>
Acked-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Following the move to put the driver into one file, comments were added to identify which source file each set of functions originated from.
These no longer made sense after functions were moved around to remove some forward declarations, so remove them.
A function comment was previously not moved along with its function, now they are reunited.
Signed-off-by: Mark Einon <mark.einon@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
FIXME: it should be possible to get rid of ET1310_PCI_L0L1LATENCY as well.
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Acked-by: Mark Einon <mark.einon@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
pci_{save, restore}_state are balanced in .suspend and .resume.
They are not used anywhere else in the driver.
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Acked-by: Mark Einon <mark.einon@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
