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2011-11-08MIPS: Yosemite, Emma: Fix off-by-two in arcs_cmdline buffer size checkThomas Jarosch1-1/+1
Cause is a misplaced bracket. The code strlen(buf+1) will be two bytes less than strlen(buf)+1 The +1 is in this code to reserve space for an additional space character. [ralf@linux-mips.org: Thomas' original patch fixed the issue only for Yosemite but the same bug exists also in Emma.] Signed-off-by: Thomas Jarosch <thomas.jarosch@intra2net.com> Patchwork: https://patchwork.linux-mips.org/patch/2861/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2011-09-21MIPS: Mark cascade and low level interrupts IRQF_NO_THREADWu Zhangjin1-1/+1
Mark interrupts with no_action handler, cascade interrupts, low level interrupts (bus error, halt ..) with IRQF_NO_THREAD to exclude them from forced threading. Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: linux-mips@linux-mips.org Cc: Wu Zhangjin <wuzhangjin@gmail.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2011-03-29MIPS: Convert the irq functions to the new namesThomas Gleixner1-3/+3
Scripted with coccinelle. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2011-03-25MIPS: EMMA: Convert to new irq_chip functionsThomas Gleixner1-40/+27
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> To: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/2179/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2010-08-05MIPS: Ritually kill stupid printk.Ralf Baechle1-1/+0
This belongs into userland. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2010-08-05MIPS: EMMA2RH: Remove EMMA2RH_CPU_CASCADEShinya Kuribayashi1-1/+1
Although all EMMAxxx SoCs can support IP2 and IP3 hardware interrupts, current EMMA2RH plat_irq_dispatch() supports IP2 only. We can make it configurable in the future, but for the time being, would like to make things explicitly allcated to IP2 in accordance with plat_irq_dispatch(). Signed-off-by: Shinya Kuribayashi <shinya.kuribayashi.px@renesas.com> To: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/1388/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2010-08-05MIPS: EMMA2RH: Remove useless CPU_IRQ_BASEShinya Kuribayashi1-4/+4
For historical reasons, we used to put MIPS CPU IRQs behind SoC-specific IRQs in the queue, and have been using CPU_IRQ_BASE as MIPS_CPU_IRQ_BASE. In recent years, however, we've brought it back to normal order, and now CPU_IRQ_BASE just redefines the generic MIPS_CPU_IRQ_BASE. At the same time, NUM_CPU_IRQ is also removed as useless. Signed-off-by: Shinya Kuribayashi <shinya.kuribayashi.px@renesas.com> To: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/1387/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2010-08-05MIPS: EMMA: Migrate to new platform makefile style.Ralf Baechle2-0/+10
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2009-09-17MIPS: Remove useless zero initializations.Ralf Baechle1-1/+1
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2009-08-03MIPS: Eleminate filenames from commentsRalf Baechle7-21/+0
They tend to get not updated when files are moved around or copied and lack any obvious use. While at it zap some only too obvious comments and as per Shinya's suggestion, add a copyright header to extable.c. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Acked-by: Shinya Kuribayashi <shinya.kuribayashi@necel.com> Acked-by: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com>
2009-03-30Merge git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-cpumaskLinus Torvalds1-1/+0
* git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-cpumask: oprofile: Thou shalt not call __exit functions from __init functions cpumask: remove the now-obsoleted pcibus_to_cpumask(): generic cpumask: remove cpumask_t from core cpumask: convert rcutorture.c cpumask: use new cpumask_ functions in core code. cpumask: remove references to struct irqaction's mask field. cpumask: use mm_cpumask() wrapper: kernel/fork.c cpumask: use set_cpu_active in init/main.c cpumask: remove node_to_first_cpu cpumask: fix seq_bitmap_*() functions. cpumask: remove dangerous CPU_MASK_ALL_PTR, &CPU_MASK_ALL
2009-03-30MIPS: EMMA2RH: Set UART mapbaseShinya Kuribayashi1-0/+3
Signed-off-by: Shinya Kuribayashi <shinya.kuribayashi@necel.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2009-03-30MIPS: EMMA2RH: Use set_irq_chip_and_handler_nameShinya Kuribayashi1-6/+6
Fix two remaining set_irq_chip_and_handler() users which are encourated to migrate to set_irq_chip_and_handler_name(). Signed-off-by: Shinya Kuribayashi <shinya.kuribayashi@necel.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2009-03-30MIPS: EMMA2RH: Use handle_edge_irq() handler for GPIO interruptsShinya Kuribayashi1-18/+10
EMMA's GPIO interrupts are latched by GPIO interrupt status register. In this case, we're encouraged to use handle_edge_irq() handler. The following changes are made along with replacing set_irq_chip() with set_irq_chip_and_handler_name(,,handle_edge_irq,"edge"): * Fix emma2rh_gpio_irq_ack not to disable interrupts With handle_edge_irq(), we're not expected to disable interrupts when chip->ack is served, so fix it accordingly. We also add a new emma2rh_gpio_irq_mask_ack() for chip->mask_ack operation, instead. * Remove emma2rh_gpio_irq_end(), as chip->end is no longer served. Signed-off-by: Shinya Kuribayashi <shinya.kuribayashi@necel.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2009-03-30MIPS: Mark Eins: Fix cascading interrupt dispatcherShinya Kuribayashi1-4/+6
* Fix mis-calculated IRQ bitshift on cascading interrupts * Prevent cascading interrupt from being processed afterward Signed-off-by: Shinya Kuribayashi <shinya.kuribayashi@necel.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2009-03-30cpumask: remove references to struct irqaction's mask field.Rusty Russell1-1/+0
Impact: cleanup It's unused, since about 1995. So remove all initialization of it in preparation for actually removing the field. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Acked-by: Thomas Gleixner <tglx@linutronix.de>
2009-03-13MIPS: Mark Eins: Fix configuration.Ralf Baechle2-38/+30
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2008-10-27MIPS: Markeins: Remove unnecessary define and cleanup comments, etc.Shinya Kuribayashi1-20/+0
Signed-off-by: Shinya Kuribayashi <shinya.kuribayashi@necel.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2008-10-27MIPS: Markeins: Extract ll_emma2rh_* functionsShinya Kuribayashi1-45/+38
These functions are completely ineffective. Signed-off-by: Shinya Kuribayashi <shinya.kuribayashi@necel.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2008-10-27MIPS: Markeins: Remove runtime debug printsShinya Kuribayashi1-17/+0
Remove runtime db_* macros as we don't need them any more. In general, such helpers are useful for initial porting, but once approved, they are not indispensable. Signed-off-by: Shinya Kuribayashi <shinya.kuribayashi@necel.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2008-10-27MIPS: EMMA: Fold arch/mips/emma/{common,markeins}/irq*.c into markeins/irq.cShinya Kuribayashi6-367/+249
Current EMMA2RH irq code is mess. Before cleaning it up, gather them in one place as a first step. Signed-off-by: Shinya Kuribayashi <shinya.kuribayashi@necel.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2008-10-27MIPS: EMMA2RH: Remove emma2rh_gpio_irq_baseShinya Kuribayashi2-13/+10
Let's use immediate value, instead. This also saves memory footprint, and probably a little bit faster. Signed-off-by: Shinya Kuribayashi <shinya.kuribayashi@necel.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2008-10-27MIPS: EMMA2RH: Remove emma2rh_sw_irq_baseShinya Kuribayashi2-10/+8
Let's use immediate value, instead. This also saves memory footprint, and probably a little bit faster. Signed-off-by: Shinya Kuribayashi <shinya.kuribayashi@necel.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2008-10-27MIPS: EMMA2RH: Remove emma2rh_irq_base global variableShinya Kuribayashi2-11/+8
Let's use immediate value, instead. This also saves memory footprint, and probably a little bit faster. Signed-off-by: Shinya Kuribayashi <shinya.kuribayashi@necel.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2008-10-27MIPS: EMMA: Move <asm/emma2rh> to <asm/emma> dirShinya Kuribayashi8-8/+8
We'll put all EMMA related headers there in the future. Signed-off-by: Shinya Kuribayashi <shinya.kuribayashi@necel.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2008-10-27MIPS: EMMA: Move arch/mips/emma2rh/ into arch/mips/emma/Shinya Kuribayashi10-0/+985
git mv arch/mips/{emma2rh,emma} and fixups Makefiles. We'll put all NEC EMMA series based machines there in the future. Signed-off-by: Shinya Kuribayashi <shinya.kuribayashi@necel.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2008-10-27MIPS: EMMA: Kconfig reorganizationShinya Kuribayashi1-0/+29
- Move EMMA related stuff into arch/mips/emma/Kconfig - Create CONFIG_SOC_EMMA* to handle more EMMA SoCs effectively - Rename CONFIG_MARKEINS into CONFIG_NEC_MARKEINS Signed-off-by: Shinya Kuribayashi <shinya.kuribayashi@necel.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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