- 16 Sep, 2014 9 commits
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Felipe Balbi authored
maximum number of MIR register is 4, rather than 3. Fix that. Acked-by: Jason Cooper <jason@lakedaemon.net> Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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Felipe Balbi authored
When TURBO bit is set in the INTC_IDLE register, the input synchronizer clock will be autogated based on activity on the INTC. Because this idle mode increases the interrupt latency by 2 clock cycles, we're only enabling it during suspend. Acked-by: Jason Cooper <jason@lakedaemon.net> Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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Felipe Balbi authored
When PROTECTION bit in enabled in PROTECTION register, INTC's registers are only accessible from privileged mode. Acked-by: Jason Cooper <jason@lakedaemon.net> Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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Felipe Balbi authored
of_iomap(), which is called from omap_init_irq_of(), already takes care of making sure we have a valid resource to deal with. Because of that, we can safely remove our explicit call to of_address_to_resource(). Acked-by: Jason Cooper <jason@lakedaemon.net> Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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Felipe Balbi authored
no functional changes, just making sure comment follows Coding Style. Acked-by: Jason Cooper <jason@lakedaemon.net> Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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Felipe Balbi authored
We already hold the number of Pending registers in omap_nr_pending. Let's use that instead. Acked-by: Jason Cooper <jason@lakedaemon.net> Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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Felipe Balbi authored
Just move the code over as it has no dependencies on arch/arm/ anymore. Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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Felipe Balbi authored
OMAP INTC irqchip driver will be moved under drivers/irqchip/ soon but we still have a dependency with mach-omap2 when it comes to idle functions. In order to make it easy to share those function prototypes with OMAP PM code, we introduce this new header. To avoid modifying several board-files and some of the PM-related code, we just include the new header from common.h which was already included by all users of IRQ-related PM code. Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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Felipe Balbi authored
By moving i2c devices to DT we can clean up i2c_board_info and fix a problem with moving INTC to irq domain where IRQs can be renumbered on each boot. Cc: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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- 11 Sep, 2014 31 commits
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Felipe Balbi authored
now that we don't need to support legacy board-files, we can completely switch over to a linear irq domain and make use of irq_alloc_domain_generic_chips() to allocate all generic irq chips for us. Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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Felipe Balbi authored
we don't need the ifdef if we have omap_nr_pending telling us how many pending registers we have on current platform. This solves a possible problem where we could try to handle bogus interrupts on OMAP2 and OMAP3 if using single zImage kernel, because we would end up reading the following pending FIQ register. Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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Felipe Balbi authored
that variable will tell us how many INTC_PENDING_IRQn registers we have. It'll be used on a following patch to cleanup omap_intc_handle_irq() a bit. Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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Felipe Balbi authored
we can set our global omap_nr_irqs early on and drop the extra argument to omap_init_irq(). Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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Felipe Balbi authored
There's no need for that header to be included. Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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Felipe Balbi authored
that was just a no-op wrapper around omap_intc_handle_irq anyway. Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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Felipe Balbi authored
now that we're calling set_handle_irq() from init_irq(), we can safely drop all callers to omap3_intc_handle_irq() and its definition. Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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Felipe Balbi authored
the idea is that board-files won't need to set .handle_irq on their machine_descs, which lets us drop a little more pointless code. Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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Felipe Balbi authored
We want .init_irq to call set_irq_handle() for legacy platforms. Note that this code will also be dropped once omap2/3 devices are completely moved to DT. Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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Felipe Balbi authored
we are now infering number of IRQ lines based on correct compatible flag, which renders this binding completely useless. Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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Felipe Balbi authored
we don't need that anymore since specific devices are passing correct compatible flags. Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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Felipe Balbi authored
that way, our intc driver can figure out how many IRQ lines INTC has. Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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Felipe Balbi authored
so far, only am33xx has 128 lines, all other devices have only 96. Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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Felipe Balbi authored
with this, we can use a compatible flag to figure out how many irq lines are wired up, no need for our TI-specific ti,intc-size binding. Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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Felipe Balbi authored
now we can safely drop those fields from our machine_desc. While at that, also drop the now unused omap_intc_of_init() definition. Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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Felipe Balbi authored
IRQCHIP_DECLARE macro is used to declare the same of_device_id structure for irqchips, it's just a helper. No functional changes. Note that we're temporarily including irqchip.h with its full path, until we move this driver to drivers/irqchip/. Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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Felipe Balbi authored
this will let us drop .handle_irq and .init_irq fields from our generic machine_descs. Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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Felipe Balbi authored
nobody uses that function outside of this file, so we don't need to expose it. Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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Felipe Balbi authored
no functional changes, just moving code around. Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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Felipe Balbi authored
remove ifdef around omap3 INTC support. This will make it easier to reuse code for PM. Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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Felipe Balbi authored
just to make it clearer that it can be used on all omaps. Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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Felipe Balbi authored
omap_intc_handle_irq now had an unnecessary base_addr argument. Let's remove it and fix all callers. Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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Felipe Balbi authored
an almost blind conversion from readl_relaxed to our newly introduced intc_readl(). While at that, also remove some hardcoded register addresses. Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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Felipe Balbi authored
no functional changes. Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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Felipe Balbi authored
now we can finally remove the pointless irq_banks array. Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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Felipe Balbi authored
this will cache number of irqs. Also in preparation for removal of irq_banks array. Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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Felipe Balbi authored
We have a single bank in that array, this patch is in preparation to remove that array. It just shifts everything to a new set of functions for register IO while also removing old ones. Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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Felipe Balbi authored
this is currently used as a hardcoded 0x100 offset. Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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Felipe Balbi authored
This is in preparation for removing the pointless irq_banks array. Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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Tony Lindgren authored
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Uwe Kleine-König authored
of_device_ids (i.e. compatible strings and the respective data) are not supposed to change at runtime. All functions working with of_device_ids provided by <linux/of.h> work with const of_device_ids. So mark the non-const function parameters and structs for OMAP2+ as const, too. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Tony Lindgren <tony@atomide.com>
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