- 04 Feb, 2009 40 commits
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Michael Hennerich authored
Avoid possible overflow during 32*32->32 multiplies. Reported-by:
Marco Reppenhagen <marco.reppenhagen@auerswald.de> Signed-off-by:
Michael Hennerich <michael.hennerich@analog.com> Signed-off-by:
Bryan Wu <cooloney@kernel.org>
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Michael Hennerich authored
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Michael Hennerich authored
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Michael Hennerich authored
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Mike Frysinger authored
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Mike Frysinger <vapier.adi@gmail.com> Signed-off-by:
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Mike Frysinger authored
use a do...while loop rather than a for loop to get slightly better optimization and to avoid gcc "may be used uninitialized" warnings ... we know that the [id]cplb_nr_bounds variables will never be 0, so this is OK Signed-off-by:
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Bernd Schmidt authored
Enable null pointer checking for ICPLBs. The code was there but for some reason I had commented it out at some stage during development. Should restrict this to 1K since atomic ops start there. Signed-off-by:
Bernd Schmidt <bernds_cb1@t-online.de> Signed-off-by:
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Graf Yang authored
Blackfin arch: add platform device bfin_mii-bus and KSZ8893M switch driver platform resources to board files Signed-off-by:
Graf Yang <graf.yang@analog.com> Signed-off-by:
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Mike Frysinger authored
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Jie Zhang authored
- unable to single step over emuexcpt instruction - gdbproxy goes into infinite loop when doing gdb does "next" over "emuexcpt" Don't decrement PC after software breakpoint. Signed-off-by:
Jie Zhang <jie.zhang@analog.com> Signed-off-by:
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Bryan Wu authored
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Graf Yang authored
bss_l2 section is garbage when the data in this section is used by _bfin_relocate_l1_mem, so move the zero out function ahead. Signed-off-by:
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Mike Frysinger authored
base SIC_IWR# programming on whether the MMR exists rather than having to maintain another list of processors Signed-off-by:
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Mike Frysinger authored
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Mike Frysinger authored
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Mike Frysinger authored
Drop CONFIG_I2C_BOARDINFO ifdefs as the common i2c header handles this already by stubbing things out Signed-off-by:
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Mike Frysinger authored
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Mike Frysinger authored
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Michael Hennerich authored
Avoid conditional branch instructions during carry bit additions. Special thanks to Bernd. Simplify: Use ((len + proto) << 8) like every other __LITTLE_ENDIAN__ machine Cc: Bernd Schmidt <bernds_cb1@t-online.de> Signed-off-by:
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Graf Yang authored
[Mike Frysinger <vapier.adi@gmail.com>: keep the ifdef nest down] Signed-off-by:
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Grace Pan authored
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Grace Pan <grace.pan@analog.com> Signed-off-by:
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Sonic Zhang authored
[Mike Frysinger <vapier.adi@gmail.com>: - setup P_DEFAULT_BOOT_SPI_CS for every arch based on the default bootrom behavior and convert all our boards to it - revert previous anomaly change ... bf51x is not affected by anomaly 05000353] Signed-off-by:
Sonic Zhang <sonic.zhang@analog.com> Signed-off-by:
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Mike Frysinger authored
remove subscribers-only marking as the list is automatically & silently moderated for people Signed-off-by:
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Robin Getz authored
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Robin Getz <rgetz@blackfin.uclinux.org> Signed-off-by:
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Robin Getz authored
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Robin Getz authored
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Mike Frysinger authored
merge more of the bf54x and !bf54x gpio code together to cut down on #ifdef mess Signed-off-by:
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Jie Zhang authored
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Uwe Kleine-Koenig authored
According to the documentation gpio_free should only be called from task context only. To make this more explicit add a might sleep to all implementations. This patch changes the gpio_free implementations for the blackfin architecture. Signed-off-by:
Uwe Kleine-Koenig <ukleinek@strlen.de> Cc: David Brownell <david-b@pacbell.net> Acked-by:
Andrew Morton <akpm@linux-foundation.org>
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Robin Getz authored
Make sure we don't accidently re-enable interrupts if we are being called in atomic context Signed-off-by:
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Robin Getz authored
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Michael Hennerich authored
when requesting a GPIO for the first time, the POLAR setting is not set to a sane state. this can lead to indeterminate behavior that cannot be resolved without an explicit write to the Blackfin port POLAR register. when requesting a GPIO for the first time via gpio_request(), the POLAR setting for the GPIO in question should be set to sane state. this should occur if the GPIO has not been allocated in any other way. some examples: - when doing something like "request_irq(); gpio_request();" on the same GPIO, the POLAR setting should not be reset. - when doing "gpio_request(); gpio_request();" on the same GPIO, the POLAR setting should be reset only the first time and not the second. Signed-off-by:
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Michael Hennerich authored
Blackfin arch: Fix Bug - request lines with peripheral_request_list, but don't get freed with peripheral_free_list Remove erroneous check_gpio(ident) in peripheral_free() Reported-by:
Michael McTernan <mmcternan@airvana.com> Signed-off-by:
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Michael Hennerich authored
On BF561 EBIU_SDGCTL bit 31 controls the SDRAM external data path width, typically set 0 for a 32-bit bus width. On other Blackfin derivatives this bit should be set by default. Signed-off-by:
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Mike Frysinger authored
Dmacopy failed in BF537-STAMP when copy from SRAM to SDRAM and kernel will reboot automatically. Fixing by doing a SSYNC before mucking with DMA registers Signed-off-by:
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Sonic Zhang authored
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Mike Frysinger authored
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Mike Frysinger authored
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Mike Frysinger authored
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Artem Bityutskiy authored
Commit 05fe478d introduced some @wbc->nr_to_write breakage. It made the following changes: 1. Decrement wbc->nr_to_write instead of nr_to_write 2. Decrement wbc->nr_to_write _only_ if wbc->sync_mode == WB_SYNC_NONE 3. If synced nr_to_write pages, stop only if if wbc->sync_mode == WB_SYNC_NONE, otherwise keep going. However, according to the commit message, the intention was to only make change 3. Change 1 is a bug. Change 2 does not seem to be necessary, and it breaks UBIFS expectations, so if needed, it should be done separately later. And change 2 does not seem to be documented in the commit message. This patch does the following: 1. Undo changes 1 and 2 2. Add a comment explaining change 3 (it very useful to have comments in _code_, not only in the commit). Signed-off-by:
Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Acked-by:
Nick Piggin <npiggin@suse.de> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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