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* sh: Kill off machvec IRQ hinting.Paul Mundt2012-05-211-2/+0
| | | | | | | | | | | | | Everything is using sparseirq these days, so we have no need to arbitrarily size nr_irqs ahead of time. The legacy IRQ pre-allocation likewise has no meaning for us, so that's killed off too. We now depend on nr_irqs expansion by the generic hardirq layer instead. It's also worth noting that the majority of boards had completely bogus values for their nr_irqs relative to their CPU and configurations, so this ends up correcting behaviour for quite a few platforms. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: hp6xx evt2irq migration.Paul Mundt2012-05-181-1/+2
| | | | | | Migrate hp6xx to evt2irq backed hwirq lookups. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: fix up fallout from system.h disintegration.Paul Mundt2012-03-301-0/+1
| | | | | | Quite a bit of fallout all over the place, nothing terribly exciting. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* SH: irq: Remove IRQF_DISABLEDYong Zhang2011-10-281-1/+1
| | | | | | | | | | | | | Since commit [e58aa3d2: genirq: Run irq handlers with interrupts disabled], We run all interrupt handlers with interrupts disabled and we even check and yell when an interrupt handler returns with interrupts enabled (see commit [b738a50a: genirq: Warn when handler enables interrupts]). So now this flag is a NOOP and can be removed. Signed-off-by: Yong Zhang <yong.zhang0@gmail.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* suspend: constify platform_suspend_opsLionel Debroux2010-11-161-1/+1
| | | | | | | | | | | | | | While at it, fix two checkpatch errors. Several non-const struct instances constified by this patch were added after the introduction of platform_suspend_ops in checkpatch.pl's list of "should be const" structs (79404849e90a41ea2109bd0e2f7c7164b0c4ce73). Patch against mainline. Inspired by hunks of the grsecurity patch, updated for newer kernels. Signed-off-by: Lionel Debroux <lionel_debroux@yahoo.fr> Acked-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* sh: Mass ctrl_in/outX to __raw_read/writeX conversion.Paul Mundt2010-01-263-26/+26
| | | | | | | | | | | The old ctrl in/out routines are non-portable and unsuitable for cross-platform use. While drivers/sh has already been sanitized, there is still quite a lot of code that is not. This converts the arch/sh/ bits over, which permits us to flag the routines as deprecated whilst still building with -Werror for the architecture code, and to ensure that future users are not added. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* ALSA: sh: add SuperH DAC audio driver for ALSA V4Rafael Ignacio Zurita2009-11-041-0/+55
| | | | | | | | | | | | | | | This is a port of the sound/oss/sh_dac_audio.c driver. The driver uses an on-chip 8-bit D/A converter, which has a speaker connected to one of its channels, found in several ancient HP machines. For interrupts it uses a high-resolution timer (hrtimer). Tested on SH7709 based hp6xx (HP Jornada 680/690 and HP Palmtop 620lx/660lx). Also, since OSS Emulation works, the old OSS sound/oss/sh_dac_audio.c driver would be obsolete soon, and it could be removed. Signed-off-by: Rafael Ignacio Zurita <rizurita@yahoo.com> Acked-by: Paul Mundt <lethal@linux-sh.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
* sh: fix the HD64461 level-triggered interrupts handlingRafael Ignacio Zurita2009-03-201-1/+0
| | | | | | | | Rework the hd64461 demuxer code to fix the HD64461 level-triggered interrupts handling, using handle_level_irq() as needed. Signed-off-by: Rafael Ignacio Zurita <rizurita@yahoo.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: shared register saving code for sh3/sh4/sh4aMagnus Damm2009-02-271-23/+8
| | | | | | | | | | | | | | | | | | This patch reworks the sh3/sh4/sh4a register saving code in the following ways: - break out prepare_stack_save_dsp() from handle_exception() - break out save_regs() from handle_exception() - the register saving order is unchanged - align new functions to fit in cache lines - separate exception code from interrupt code - keep main code flow in a single cache line per exception vector - use bsr/rts for regular functions (save pr first) - keep data in one shared cache line (exception_data) - document the functions - tie in the hp6xx code Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: sh7785lcr/highlander/hp6xx need linux/irq.h.Paul Mundt2009-01-211-1/+1
| | | | | | More build fixes.. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: move the hp6xx pm codeMagnus Damm2008-12-221-1/+77
| | | | | | | | | | Move the not-so-generic pm code from arch/sh/kernel/pm.c to the platform directory together with the rest of the hp6xx pm code. This is done to let non-hp6xx platforms enable CONFIG_PM. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Migrate common board headers to mach-common/.Paul Mundt2008-10-203-3/+3
| | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Shuffle the board directories in to mach groups.Paul Mundt2008-07-295-0/+378
This flattens out the board directories in to individual mach groups, we will use this for getting rid of unneeded directories, simplifying the build system, and becoming more coherent with the refactored arch/sh/include topology. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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