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- 18 Nov, 2010 1 commit
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Rafał Miłecki authored
This hacks leads to incorrect SPROM parsing for me and reading for example MAC as: 00:00:00:54:00:00. Michael G. who introduced this confirmed it is not needed anymore. Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Tested-by: Michael Gerdau <mgd@qata.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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- 16 Nov, 2010 2 commits
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Rafał Miłecki authored
Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Rafał Miłecki authored
Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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- 04 Jun, 2010 1 commit
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Larry Finger authored
In kernel Bugzilla #15825 (2 users), in a wireless mailing list thread (http://lists.infradead.org/pipermail/b43-dev/2010-May/000124.html), and on a netbook owned by John Linville (http://marc.info/?l=linux-wireless&m=127230751408818&w=4), there are reports of ssb failing to detect an SPROM at the normal location. After studying the MMIO trace dump for the Broadcom wl driver, it was determined that the affected boxes had a relocated SPROM. This patch fixes all systems that have reported this problem. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Cc: Stable <stable@kernel.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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- 28 May, 2010 1 commit
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Christoph Fritz authored
Ethernet driver b44 does register ssb by it's pcihost_wrapper and doesn't set ssb_chipcommon. A check on this value introduced with commit d53cdbb9 and ea2db495 triggers: BUG: unable to handle kernel NULL pointer dereference at 00000010 IP: [<c1266c36>] ssb_is_sprom_available+0x16/0x30 Signed-off-by: Christoph Fritz <chf.fritz@googlemail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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- 26 Apr, 2010 3 commits
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Rafał Miłecki authored
Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Rafał Miłecki authored
Our offset handling becomes even a little more hackish now. For some reason I do not understand all offsets as inrelative. It assumes base offset is 0x1000 but it will work for now as we make offsets relative anyway by removing base 0x1000. Should be cleaner however. Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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John W. Linville authored
Attempting to read registers that don't exist on the SSB bus can cause hangs on some boxes. At least some b43 devices are 'in the wild' that don't have SPROMs at all. When the SSB bus support loads, it attempts to read these (non-existant) SPROMs and causes hard hangs on the box -- no console output, etc. This patch adds some intelligence to determine whether or not the SPROM is present before attempting to read it. This avoids those hard hangs on those devices with no SPROM attached to their SSB bus. The SSB-attached devices (e.g. b43, et al.) won't work, but at least the box will survive to test further patches. :-) Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Cc: Larry Finger <Larry.Finger@lwfinger.net> Cc: Michael Buesch <mb@bu3sch.de>
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- 30 Mar, 2010 1 commit
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Tejun Heo authored
include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h percpu.h is included by sched.h and module.h and thus ends up being included when building most .c files. percpu.h includes slab.h which in turn includes gfp.h making everything defined by the two files universally available and complicating inclusion dependencies. percpu.h -> slab.h dependency is about to be removed. Prepare for this change by updating users of gfp and slab facilities include those headers directly instead of assuming availability. As this conversion needs to touch large number of source files, the following script is used as the basis of conversion. http://userweb.kernel.org/~tj/misc/slabh-sweep.py The script does the followings. * Scan files for gfp and slab usages and update includes such that only the necessary includes are there. ie. if only gfp is used, gfp.h, if slab is used, slab.h. * When the script inserts a new include, it looks at the include blocks and try to put the new include such that its order conforms to its surrounding. It's put in the include block which contains core kernel includes, in the same order that the rest are ordered - alphabetical, Christmas tree, rev-Xmas-tree or at the end if there doesn't seem to be any matching order. * If the script can't find a place to put a new include (mostly because the file doesn't have fitting include block), it prints out an error message indicating which .h file needs to be added to the file. The conversion was done in the following steps. 1. The initial automatic conversion of all .c files updated slightly over 4000 files, deleting around 700 includes and adding ~480 gfp.h and ~3000 slab.h inclusions. The script emitted errors for ~400 files. 2. Each error was manually checked. Some didn't need the inclusion, some needed manual addition while adding it to implementation .h or embedding .c file was more appropriate for others. This step added inclusions to around 150 files. 3. The script was run again and the output was compared to the edits from #2 to make sure no file was left behind. 4. Several build tests were done and a couple of problems were fixed. e.g. lib/decompress_*.c used malloc/free() wrappers around slab APIs requiring slab.h to be added manually. 5. The script was run on all .h files but without automatically editing them as sprinkling gfp.h and slab.h inclusions around .h files could easily lead to inclusion dependency hell. Most gfp.h inclusion directives were ignored as stuff from gfp.h was usually wildly available and often used in preprocessor macros. Each slab.h inclusion directive was examined and added manually as necessary. 6. percpu.h was updated not to include slab.h. 7. Build test were done on the following configurations and failures were fixed. CONFIG_GCOV_KERNEL was turned off for all tests (as my distributed build env didn't work with gcov compiles) and a few more options had to be turned off depending on archs to make things build (like ipr on powerpc/64 which failed due to missing writeq). * x86 and x86_64 UP and SMP allmodconfig and a custom test config. * powerpc and powerpc64 SMP allmodconfig * sparc and sparc64 SMP allmodconfig * ia64 SMP allmodconfig * s390 SMP allmodconfig * alpha SMP allmodconfig * um on x86_64 SMP allmodconfig 8. percpu.h modifications were reverted so that it could be applied as a separate patch and serve as bisection point. Given the fact that I had only a couple of failures from tests on step 6, I'm fairly confident about the coverage of this conversion patch. If there is a breakage, it's likely to be something in one of the arch headers which should be easily discoverable easily on most builds of the specific arch. Signed-off-by: Tejun Heo <tj@kernel.org> Guess-its-ok-by: Christoph Lameter <cl@linux-foundation.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
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- 23 Sep, 2009 1 commit
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Larry Finger authored
When an SPROM revision is not recognized, the code falls back to a V1 SPROM; however, that revision is not forced in the appropriate structure. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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- 14 Sep, 2009 1 commit
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Larry Finger authored
When an SPROM revision is not recognized, the code falls back to a V1 SPROM; however, that revision is not forced in the appropriate structure. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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- 20 Aug, 2009 1 commit
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Gábor Stefanik authored
No comment. :-) Signed-off-by: Gábor Stefanik <netrolller.3d@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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- 14 Aug, 2009 1 commit
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Gábor Stefanik authored
Also add a "SPEX32" macro for extracting 32-bit SPROM variables. Signed-off-by: Gábor Stefanik <netrolller.3d@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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- 05 Mar, 2009 1 commit
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Michael Buesch authored
This adds SSB functionality to register a fallback SPROM image from the architecture setup code. Weird architectures exist that have half-assed SSB devices without SPROM attached to their PCI busses. The architecture can register a fallback SPROM image that is used if no SPROM is found on the SSB device. Signed-off-by: Michael Buesch <mb@bu3sch.de> Cc: Florian Fainelli <florian@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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- 29 Jan, 2009 1 commit
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Michael Buesch authored
This adds detection code for the LP-PHY and SPROM extraction code for version 8, which is needed by the LP-PHY and newer N-PHY. Signed-off-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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- 29 Aug, 2008 2 commits
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Larry Finger authored
Only rev 1 and 2 ssb SPROMs have fields named et0mac and et1mac; however, all of the extraction routines extract pseudo data for these fields from regions that are all 1's resulting in a hardware address of FF:FF:FF:FF:FF:FF. This patch forces such a fill at the beginning of the data extraction process, and only does the formal extraction if the SPROM rev is 1 or 2. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Larry Finger authored
Although a revision 5 SPROM has not been seen in the wild, the open-source portion of the MIPS driver 4.150.10.5 describes its layout, which is mostly inherited from revision 4. This patch implements the differences. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Acked-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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- 07 May, 2008 1 commit
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Larry.Finger@lwfinger.net authored
The current code checks for the special signature that signifies a revision 4 SPROM. Now that a rev. 8 SPROM with a 440-byte length has been found that may not have any special code, this check could be relaxed. With this patch, if the CRC is incorrect for a 256-byte SPROM, the code will immediately check for a 440-byte SPROM. If there is still a CRC error, the size is set to 440 bytes, which allows dumping of most of any 512-byte SPROM if one is encountered. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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- 24 Apr, 2008 1 commit
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Larry Finger authored
In the SSB SPROM a field set to all ones means the value is not defined in the SPROM. In case of the boardflags, we need to set them to zero to avoid confusing drivers. Drivers will only check the flags by ANDing. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: Gabor Stefanik <netrolller.3d@gmail.com> Signed-off-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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- 08 Apr, 2008 1 commit
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Michael Buesch authored
This adds support for block based I/O to SSB. This is needed in order to efficiently support PIO data transfers to the card. The block-I/O support is only compiled, if it's selected by the weird driver that needs it. So there's no overhead for sane devices. Signed-off-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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- 13 Mar, 2008 1 commit
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Michael Buesch authored
This adds support for reading/writing the SPROM invariants for PCMCIA based devices. Signed-off-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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- 29 Feb, 2008 1 commit
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Michael Buesch authored
This adds support for 8bit wide register reads/writes. This is needed in order to support the gigabit ethernet core. Signed-off-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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- 28 Jan, 2008 5 commits
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Michael Buesch authored
Add boardflags-high. Signed-off-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Michael Buesch authored
This fixes extraction of some values from the SPROM. It mainly fixes extraction of antenna related values, which is needed for another b43 fix sent later. Signed-off-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Larry Finger authored
The old, now unused, data structures and SPROM extraction routines are removed. Signed-off-by: Larry Finger<Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Larry Finger authored
In disagreement with the SPROM specs, revision 3 devices appear to have moved the MAC address. Change ssb to handle the revision 4 SPROM, which is a different size. This change in size is handled by adding a new variable to the ssb_sprom struct and using it whenever possible. For those routines that do not have access to this structure, a 'u16 size' argument is added. The new PCI_ID for the BCM4328 is also added. Testing of the Revision 4 SPROM, which is used on the BCM4328, was done by Michael Gerdau <mgerdau@tiscali.de>. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Larry Finger authored
The SPROM's for various devices utilizing the Sonics Silicon Backplane come with various revisions. The Revision 2 SPROM inherited the data layout of 1, and Revision 3 inherited the layout of 2. The first instance of Revision 4 has now been found in a BCM4328 wireless LAN card. This device does not inherit any layout from previous versions. Although it was possible to create a data structure that kept all the old layouts, we decided to start fresh, keep only those SPROM variables that are used by the drivers that utilize ssb, and to do the conversion in such a manner that neither compilation or execution will be affected if a bisection lands in the middle of these changes, while keeping the patches as small as possible. In this patch, the sprom structures are changed while maintaining the old ones. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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- 10 Oct, 2007 3 commits
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Michael Buesch authored
This fixes all Sparse warnings in SSB. No semantics change. Signed-off-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Michael Buesch authored
On a PCI bus use ioreadX() and iowriteX(). We map the I/O space with pci_iomap(), so we must use the correct accessor functions, too. readX() and writeX() are not guaranteed to accept the cookie returned from pci_iomap() (though, it currently works on most architectures). Signed-off-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Michael Buesch authored
SSB is an SoC bus used in a number of embedded devices. The most well-known of these devices is probably the Linksys WRT54G, but there are others as well. The bus is also used internally on the BCM43xx and BCM44xx devices from Broadcom. This patch also includes support for SSB ID tables in modules, so that SSB drivers can be loaded automatically. Signed-off-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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