- 07 Jan, 2009 1 commit
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Graf Yang authored
Blackfin dual core BF561 processor can support SMP like features. https://docs.blackfin.uclinux.org/doku.php?id=linux-kernel:smp-like In this patch, we provide SMP extend to BF561 kernel code Signed-off-by:
Graf Yang <graf.yang@analog.com> Signed-off-by:
Mike Frysinger <vapier.adi@gmail.com> Signed-off-by:
Bryan Wu <cooloney@kernel.org>
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- 18 Nov, 2008 13 commits
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Mike Frysinger authored
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Michael Hennerich authored
- This patch adds support for ARCH_WANT_OPTIONAL_GPIOLIB. - It may be changed in future to ARCH_REQUIRE_GPIOLIB. - Change GPIO_BANK_NUM use DIV_ROUND_UP( , ) macro Signed-off-by:
Michael Hennerich <michael.hennerich@analog.com> Signed-off-by:
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Michael Hennerich authored
- Remove SSYNC() - Use irq_to_gpio where applicable - Remove gpio_edge_triggered bitfield, check irq_desc fields instead. - Remove gpio_both_edge_triggeredb bitfield, check irq_desc fields instead. - Use BITMAP and bitops on gpio_enabled - Preferably use 32-bit - Looking at the disassembly this indeed saves quite a few instructions. Signed-off-by:
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Yi Li authored
Disable spi_mmc DMA by default. Signed-off-by:
Yi Li <yi.li@analog.com> Signed-off-by:
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Mike Frysinger authored
- remove SSYNC() left over from irq init split - do not force SSYNC() when masking/unmasking IRQs in the SIC as any order enforced by the hardware should already be enforced by software Signed-off-by:
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Bryan Wu authored
Blackfin arch: fix bug - gpio_bank() macros messed up bank number caculating with positioning a gpio The whole story: Before BF51x merged, all the MAX_BLACKFIN_GPIOS are integral multiple of GPIO_BANKSIZE (= 16). But BF51x provides MAX_BLACKFIN_GPIOS = 40 which includes 3 banks and the 3rd bank has only 8 GPIO pins. Therefore, gpio_bank() macros is correct when you try to find a GPIO in which bank (GPIO_35 is in bank 2). But on BF51x gpio_bank(MAX_BLACKFIN_GPIOS) only gives out 2 banks instead of 3 banks for some static array initialization. This patch add a new macros gpio_bank_n() and GPIO_BANK_NUM to do bank number caculating and remain the gpio_bank() macros for positioning a gpio in which bank. Signed-off-by: -
Mike Frysinger authored
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Michael Hennerich authored
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Mike Frysinger authored
- to avoid uninitialized errors - make invalid sizes a build error Signed-off-by:
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Mike Frysinger authored
our kernel should be sane now, and we want to catch NULL bugs, not ignore them Signed-off-by:
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Mike Frysinger authored
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Michael Hennerich authored
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Mike Frysinger authored
- do not bother generating deprecated /sys files by default now since mdev does not need it - Don't built-in char sport driver and build it as a module in defconfig - disable CONFIG_DEVKMEM by default - enable spi flash driver on boards that have one - switch config to the NAND platfrom driver rather than the bfin async one - do not make BFIN_DMA_5XX optional since a large portion of our code relies on dma functions existing Signed-off-by:
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- 29 Oct, 2008 1 commit
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Michael Hennerich authored
keep BUG_ON in DMA request, free and set_dma_callback. Signed-off-by:
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- 28 Oct, 2008 10 commits
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Mike Frysinger authored
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Michael Hennerich authored
Tons of SSYNC operation will impact the DMA performance Signed-off-by: -
Michael Hennerich authored
Add irq to struct dma_channel lookup channel2irq() only once, since channel2irq() is fairly large on some Blackfin derivatives. Signed-off-by:
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Mike Frysinger authored
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Mike Frysinger authored
refine the gpio check in peripheral_request() so that it only checks pins that can be used as both GPIO and a peripheral Signed-off-by:
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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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Mike Frysinger authored
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Mike Frysinger authored
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- 18 Nov, 2008 1 commit
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Bryan Wu authored
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- 28 Oct, 2008 6 commits
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Mike Frysinger authored
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Graf Yang authored
The original code defined _exception_stack but not alloc space for the exception stack. In exception, this area is over written by exception stack. Common kernel luckly boot up, but SMP kernel stuck. Signed-off-by:
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Mike Frysinger authored
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Mike Frysinger authored
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Mike Frysinger authored
allow people to stick exception stack into L1 scratch and make sure it gets placed into .bss sections rather than .data Signed-off-by:
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Mike Frysinger authored
- kernel_thread - irq_flags - checksum Signed-off-by:
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- 18 Nov, 2008 1 commit
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Michael Hennerich authored
Add supporing for Blackfin BF538 and BF539 processors. Signed-off-by:
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- 27 Oct, 2008 1 commit
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Mike Frysinger authored
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- 07 Jan, 2009 6 commits
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Linus Torvalds authored
The __SWAB_64_THRU_32__ case of a 64-bit byte swap was depending on the no-longer-existant ___swab32() method (three underscores). We got rid of some of the worst indirection and complexity, and now it should just use the 32-bit swab function that was defined right above it. Reported-and-tested-by:
Nicolas Pitre <nico@cam.org> Reported-by:
Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Harvey Harrison authored
This implementation caused problems in userspace which can, and does define _both_ __LITTLE_ENDIAN and __BIG_ENDIAN. Signed-off-by:
Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by:
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Harvey Harrison authored
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Harvey Harrison authored
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Harvey Harrison authored
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Harvey Harrison authored
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