Friday 23 April 2010 01:17:26 Tony Lindgren napisał(a): > * Janusz Krzysztofik <jkrzyszt@xxxxxxxxxxxx> [100414 19:24]: > > This patch introduces an IRQ handler used for processing interrupts > > generated by the FIQ handler when it decides there are data ready for > > processing. > > > > The handler further invokes device specific interrupt routines based on > > an interrupt source as passed from the FIQ handler. > > > > It can be registered by the board as a handler for the otherwise unused > > 32k timer interrupt. > > > > Created and tested against linux-2.6.34-rc4. > > Applies on top of PATCH v3 1/5(7), "OMAP1: Amstrad Delta: add FIQ handler > > for serial keyboard port interrupt processing". > > > > Signed-off-by: Janusz Krzysztofik <jkrzyszt@xxxxxxxxxxxx> > > --- > > v2 changes: > > - add fiq_buffer[] declaration missing from the header file, > > - refresh against 2.6.34-rc2. > > v3 changes: > > - follow Dmitry's serio cleanup suggestions here as well, > > - follow default OMAP GPIO interrupt processing path more closely, > > - more optimizations and cleanups. > > > > arch/arm/mach-omap1/Makefile | 2 > > arch/arm/mach-omap1/ams-delta-fiq.c | 155 +++++++++++++++++++++++ > > arch/arm/mach-omap1/include/mach/ams-delta-fiq.h | 7 + > > 3 files changed, 163 insertions(+), 1 deletion(-) > > > > diff -uprN git.orig/arch/arm/mach-omap1/Makefile git/arch/arm/mach-omap1/Makefile > > --- git.orig/arch/arm/mach-omap1/Makefile 2010-04-14 22:35:22.000000000 +0200 > > +++ git/arch/arm/mach-omap1/Makefile 2010-04-14 23:18:10.000000000 +0200 > > @@ -37,7 +37,7 @@ obj-$(CONFIG_MACH_OMAP_PALMZ71) += boar > > obj-$(CONFIG_MACH_OMAP_PALMTT) += board-palmtt.o > > obj-$(CONFIG_MACH_NOKIA770) += board-nokia770.o > > obj-$(CONFIG_MACH_AMS_DELTA) += board-ams-delta.o > > -obj-$(CONFIG_AMS_DELTA_FIQ) += ams-delta-fiq-handler.o > > +obj-$(CONFIG_AMS_DELTA_FIQ) += ams-delta-fiq.o ams-delta-fiq-handler.o > > obj-$(CONFIG_MACH_SX1) += board-sx1.o board-sx1-mmc.o > > obj-$(CONFIG_MACH_HERALD) += board-htcherald.o > > Do you really need a separate option for CONFIG_AMS_DELTA_FIQ? Not really, but could we keep it for now, until the code gets a bit matured? > To me it seems you can just compile it in when CONFIG_MACH_AMS_DELTA > is selected. If you agree, I will change it this way with a followup patch prepared for the next + 1 kernel release. > Also, please make sure the FIQ only gets initialized for the right > board when multiple boards are compiled in. I believe it works this way. The ams_delta_init_fiq() routine, that sets up both FIQ and IRQ handlers, is invoked from the machines' init_machine() callback. Can I assume it won't be called for other machine types then? Thanks, Janusz -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
