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* Merge branch 'for-linus' of ↵Linus Torvalds2010-03-18
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/vapier/blackfin * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/vapier/blackfin: (96 commits) Blackfin: stop cleaning include/asm/asm-offsets.h Blackfin: scale calibration when cpu freq changes Blackfin: eat spurious space in asm/dpmc.h Blackfin: fix anomaly 283 handling with exact hardware error Blackfin: bf537-stamp: add example ADXL346 orientation resources Blackfin: bf537-stamp: add example AD2S1210 IIO resources Blackfin: don't support keypad wakeup from hibernate Blackfin: bf537-stamp: add example AD7416 IIO resources Blackfin: bf537-stamp: add example ADP8860 backlight/led resources Blackfin: bf537-stamp: add example AD7414 temp sensor resources Blackfin: rename AD1836 to AD183X in board files Blackfin: bf537-stamp: add example AD2S120x resources Blackfin: add support for the on-chip MAC status interrupts Blackfin: asm/page.h: pull in asm-generic headers Blackfin: mark gpio lib functions static Blackfin: bf537-stamp: add example ADAU1361 resources Blackfin: GPIO: implement to_irq handler Blackfin: bf537-stamp: add example ADP122/ADP150 power regulator resources Blackfin: bf537-stamp: add example AD2S90 resources Blackfin: bf537-stamp: add example AD5398 power regulator resources ...
| * Blackfin: stop cleaning include/asm/asm-offsets.hMike Frysinger2010-03-09
| | | | | | | | | | | | | | The file is no longer generated, so we don't want to clean it. Reported-by: Vivi Li <vivi.li@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| * Blackfin: scale calibration when cpu freq changesGraf Yang2010-03-09
| | | | | | | | | | | | | | | | Need to make sure we update the loops_per_jiffy values when we start changing the core clock. Signed-off-by: Graf Yang <graf.yang@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| * Blackfin: eat spurious space in asm/dpmc.hMike Frysinger2010-03-09
| | | | | | | | Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| * Blackfin: fix anomaly 283 handling with exact hardware errorRobin Getz2010-03-09
| | | | | | | | | | | | | | | | | | | | The exact hardware error handling code was added before the workaround for anomaly 283 which caused the anomaly to be triggered in some cases (an infinite core stall). So re-order the code to avoid this. Reported-by: Andrew Rook <andrew.rook@speakerbus.co.uk> Signed-off-by: Robin Getz <robin.getz@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| * Blackfin: bf537-stamp: add example ADXL346 orientation resourcesMichael Hennerich2010-03-09
| | | | | | | | | | Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| * Blackfin: bf537-stamp: add example AD2S1210 IIO resourcesGraf Yang2010-03-09
| | | | | | | | | | Signed-off-by: Graf Yang <graf.yang@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| * Blackfin: don't support keypad wakeup from hibernateMichael Hennerich2010-03-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The on-chip keypad peripheral requires different registers to be setup depending on the standby type (standby vs hibernation). However, since the power management framework doesn't differentiate between these types, the driver doesn't know which registers to program and subsequently it avoids doing so. Always enabling the keyboard wakeup source causes misbehavior when the pins are not assigned to the keypad. If they happen to drive a certain level, they'll trigger a wake up event which is not wanted. So until the aforementioned issue can be sorted out, drop support for the wakeup source completely. Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| * Blackfin: bf537-stamp: add example AD7416 IIO resourcesSonic Zhang2010-03-09
| | | | | | | | | | Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| * Blackfin: bf537-stamp: add example ADP8860 backlight/led resourcesMichael Hennerich2010-03-09
| | | | | | | | | | Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| * Blackfin: bf537-stamp: add example AD7414 temp sensor resourcesSonic Zhang2010-03-09
| | | | | | | | | | Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| * Blackfin: rename AD1836 to AD183X in board filesBarry Song2010-03-09
| | | | | | | | | | | | | | | | The ASoC codec driver was generalized and renamed, so update the board resources accordingly. Signed-off-by: Barry Song <barry.song@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| * Blackfin: bf537-stamp: add example AD2S120x resourcesGraf Yang2010-03-09
| | | | | | | | | | Signed-off-by: Graf Yang <graf.yang@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| * Blackfin: add support for the on-chip MAC status interruptsMichael Hennerich2010-03-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch provides infrastructure for MAC Wake-On-Lan and PHYINT use in phylib. New Interrupts added: IRQ_MAC_PHYINT /* PHY_INT Interrupt */ IRQ_MAC_MMCINT /* MMC Counter Interrupt */ IRQ_MAC_RXFSINT /* RX Frame-Status Interrupt */ IRQ_MAC_TXFSINT /* TX Frame-Status Interrupt */ IRQ_MAC_WAKEDET /* Wake-Up Interrupt */ IRQ_MAC_RXDMAERR /* RX DMA Direction Error Interrupt */ IRQ_MAC_TXDMAERR /* TX DMA Direction Error Interrupt */ IRQ_MAC_STMDONE /* Station Mgt. Transfer Done Interrupt */ On BF537/6 the implementation is not straight forward since there are now two chained chained_handlers. A cleaner approach would have been to add latter IRQs to the demux of IRQ_GENERIC_ERROR. Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| * Blackfin: asm/page.h: pull in asm-generic headersMike Frysinger2010-03-09
| | | | | | | | Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| * Blackfin: mark gpio lib functions staticJoachim Eastwood2010-03-09
| | | | | | | | | | Signed-off-by: Joachim Eastwood <joachim.eastwood@jotron.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| * Blackfin: bf537-stamp: add example ADAU1361 resourcesCliff Cai2010-03-09
| | | | | | | | | | Signed-off-by: Cliff Cai <cliff.cai@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| * Blackfin: GPIO: implement to_irq handlerJoachim Eastwood2010-03-09
| | | | | | | | | | | | | | | | This makes it possible to support IRQs coming from off-chip GPIO controllers. Signed-off-by: Joachim Eastwood <joachim.eastwood@jotron.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| * Blackfin: bf537-stamp: add example ADP122/ADP150 power regulator resourcesSonic Zhang2010-03-09
| | | | | | | | | | Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| * Blackfin: bf537-stamp: add example AD2S90 resourcesGraf Yang2010-03-09
| | | | | | | | | | Signed-off-by: Graf Yang <graf.yang@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| * Blackfin: bf537-stamp: add example AD5398 power regulator resourcesSonic Zhang2010-03-09
| | | | | | | | | | Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| * Blackfin: remove trailing space in messagesFrans Pop2010-03-09
| | | | | | | | | | Signed-off-by: Frans Pop <elendil@planet.nl> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| * Blackfin: bf537-stamp: add example ADS7846 touchscreen resourcesMichael Hennerich2010-03-09
| | | | | | | | | | Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| * Blackfin: add support for restart_syscall()Mike Frysinger2010-03-09
| | | | | | | | Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| * Blackfin: check for bad syscalls after tracing itMike Frysinger2010-03-09
| | | | | | | | | | | | | | We want to report all system calls (even invalid ones) to the tracing layers, so check the NR only after we've notified. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| * Blackfin: fix single stepping over system callsMike Frysinger2010-03-09
| | | | | | | | | | | | | | | | | | | | | | | | On Blackfin systems, the hardware single step exception triggers before the system call exception, so we need to save this info to process it later on. Otherwise, single stepping in userspace misses a few insns right after the system call. This is based a bit on the SuperH code added in commit 4b505db9c4c72dbd. Reported-by: Roland McGrath <roland@redhat.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| * Blackfin: initial tracehook supportMike Frysinger2010-03-09
| | | | | | | | Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| * Blackfin: initial regset supportMike Frysinger2010-03-09
| | | | | | | | | | | | We don't support core dumps (yet?), but this should make things easier. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| * Blackfin: simplify PTRACE_{PEEK,POKE}USR in preperation for regset supportMike Frysinger2010-03-09
| | | | | | | | Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| * Blackfin: simplify SYSCFG code a bit and ignore attempts to change itMike Frysinger2010-03-09
| | | | | | | | | | | | | | | | We don't want to let user space modify the SYSCFG register arbitrarily as the settings are system wide (SNEN/CNEN) and can cause misbehavior. The only other bit here (SSSTEP) has proper controls via PTRACE_SINGLESTEP. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| * Blackfin: use generic ptrace_resume codeChristoph Hellwig2010-03-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Use the generic ptrace_resume code for PTRACE_SYSCALL, PTRACE_CONT, PTRACE_KILL and PTRACE_SINGLESTEP. This implies defining arch_has_single_step in <asm/ptrace.h> and implementing the user_enable_single_step and user_disable_single_step functions, which also causes the breakpoint information to be cleared on fork, which could be considered a bug fix. Also the TIF_SYSCALL_TRACE thread flag is now cleared on PTRACE_KILL which it previously wasn't which is consistent with all architectures using the modern ptrace code. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| * Blackfin: bf537-stamp: add example AD715{0,2}/AD774{5,6,7} IIO resourcesBarry Song2010-03-09
| | | | | | | | | | Signed-off-by: Barry Song <barry.song@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| * Blackfin: rewrite resync_core_{i,d}cache() SMP logic to avoid per_cpu dataGraf Yang2010-03-09
| | | | | | | | | | | | | | | | | | | | | | This functions are implicitly called by core functions like cpu_relax(), and since those functions may be called early on before common code has initialized the per-cpu data area, we need to tweak the stats gathering. Now the statistics are maintained in common bss which makes these funcs safe to use as soon as the C runtime env is setup. Signed-off-by: Graf Yang <graf.yang@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| * Blackfin: add support for cpufreq on SMP systemsGraf Yang2010-03-09
| | | | | | | | | | Signed-off-by: Graf Yang <graf.yang@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| * Blackfin: rename AD1938 to AD193X in board filesBarry Song2010-03-09
| | | | | | | | | | | | | | | | The ASoC codec driver was generalized and renamed, so update the board resources accordingly. Signed-off-by: Barry Song <barry.song@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| * Blackfin: add CALLER_ADDR ftrace macrosYi Li2010-03-09
| | | | | | | | | | | | | | | | Since GCC doesn't support __builtin_frame_address(n) where n!=0, add our own function to walk the stack frame pointers. Signed-off-by: Yi Li <yi.li@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| * Blackfin: move KGDB selection to the way other arches do itMike Frysinger2010-03-09
| | | | | | | | Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| * Blackfin: split watchdog definitions into a dedicated header fileGraf Yang2010-03-09
| | | | | | | | | | | | | | This allows things to be shared between the different watchdog sources. Signed-off-by: Graf Yang <graf.yang@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| * Blackfin: add dma_disable_irq_nosync() API for irq handlersBarry Song2010-03-09
| | | | | | | | | | | | | | Some IRQ handlers need to disable a DMA channel without waiting. Signed-off-by: Barry Song <barry.song@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| * Blackfin: fix whitespace damage in thread_info.hMike Frysinger2010-03-09
| | | | | | | | Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| * Blackfin: support new ftrace frame pointer semanticsMike Frysinger2010-03-09
| | | | | | | | Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| * Blackfin: implement ftrace mcount testMike Frysinger2010-03-09
| | | | | | | | Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| * Blackfin: implement ndelay()Barry Song2010-03-09
| | | | | | | | | | Signed-off-by: Barry Song <barry.song@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| * Blackfin: implement nmi_watchdog for SMP on BF561Graf Yang2010-03-09
| | | | | | | | | | Signed-off-by: Graf Yang <graf.yang@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| * Blackfin: respect the L1 kconfig optimization in the MPU codeBarry Song2010-03-09
| | | | | | | | | | | | | | Restore support for CONFIG_EXCPT_IRQ_SYSC_L1 in the MPU CPLB manager. Signed-off-by: Barry Song <barry.song@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| * Blackfin: bf537-stamp/bf527-ezkit: move ASoC SPORT resources to boards fileBarry Song2010-03-09
| | | | | | | | | | | | | | Rather than declaring pin resources in the drivers, do it in the board. Signed-off-by: Barry Song <barry.song@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| * Blackfin: bf548-ezkit: add ASoC CPU DAI resourcesBarry Song2010-03-09
| | | | | | | | | | Signed-off-by: Barry Song <barry.song@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| * Blackfin: increase NR_IRQS beyond NR on-chip IRQsMichael Hennerich2010-03-09
| | | | | | | | | | | | | | This makes room for off-chip IRQ controllers. Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| * Blackfin: fill out the signal si_addr when sending a SIGBUS/SIGSEGVBarry Song2010-03-09
| | | | | | | | | | | | | | | | | | Some userspace applications use this member in diagnosing crashes. It also makes some LTP tests pass (i.e. the Blackfin arch behaves more like everyone else). Signed-off-by: Barry Song <barry.song@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| * Blackfin: bf537-stamp: move ADF7021 MAC storage into platform resourcesMike Frysinger2010-03-09
| | | | | | | | | | | | | | Just generate a random MAC on the demo board since the ADF702x lacks dedicated storage for such things. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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