From: Arnd Bergmann <arnd@arndb.de>
To: linux-arm-kernel@lists.infradead.org
Cc: Hanjun Guo <hanjun.guo@linaro.org>,
"Rafael J. Wysocki" <rjw@rjwysocki.net>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will.deacon@arm.com>,
Russell King - ARM Linux <linux@arm.linux.org.uk>,
Daniel Lezcano <daniel.lezcano@linaro.org>,
Mark Rutland <mark.rutland@arm.com>,
Matthew Garrett <mjg59@srcf.ucam.org>,
linaro-kernel@lists.linaro.org, patches@linaro.org,
Linus Walleij <linus.walleij@linaro.org>,
Olof Johansson <olof@lixom.net>,
linux-kernel@vger.kernel.org,
Rob Herring <rob.herring@calxeda.com>,
linaro-acpi@lists.linaro.org, linux-acpi@vger.kernel.org,
Amit Daniel Kachhap <amit.daniel@samsung.com>,
Jon Masters <jonathan@jonmasters.org>,
Grant Likely <grant.likely@linaro.org>,
Bjorn Helgaas <bhelgaas@google.com>
Subject: Re: [RFC part2 PATCH 8/9] ACPI / ARM64: Update acpi_register_gsi to register with the core IRQ subsystem
Date: Thu, 5 Dec 2013 04:48:09 +0100 [thread overview]
Message-ID: <201312050448.10312.arnd@arndb.de> (raw)
In-Reply-To: <1386088753-2850-9-git-send-email-hanjun.guo@linaro.org>
On Tuesday 03 December 2013, Hanjun Guo wrote:
> + /*
> + * ACPI have no bindings to indicate SPI or PPI, so we
> + * use different mappings from DT in ACPI.
> + *
> + * For FDT
> + * PPI interrupt: in the range [0, 15];
> + * SPI interrupt: in the range [0, 987];
> + *
> + * For ACPI, using identity mapping for hwirq:
> + * PPI interrupt: in the range [16, 31];
> + * SPI interrupt: in the range [32, 1019];
This difference might cause endless confusion. Can't you register PPI and SPI as
separate IRQ controllers to have the same number space that we normally have?
Arnd
next prev parent reply other threads:[~2013-12-05 3:48 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-03 16:39 [RFC part2 PATCH 0/9] Using ACPI MADT table to initialise SMP and GIC Hanjun Guo
2013-12-03 16:39 ` [RFC part2 PATCH 1/9] ARM64 / ACPI: Implement core functions for parsing MADT table Hanjun Guo
2013-12-03 16:39 ` [RFC part2 PATCH 2/9] ARM64 / ACPI: Prefill cpu possible/present maps and map logical cpu id to APIC id Hanjun Guo
2013-12-03 16:57 ` One Thousand Gnomes
2013-12-04 14:21 ` Hanjun Guo
2013-12-04 15:40 ` Rob Herring
2013-12-04 15:47 ` Rob Herring
2013-12-05 13:24 ` Mark Brown
2013-12-05 13:34 ` Hanjun Guo
2013-12-05 23:09 ` Arnd Bergmann
2013-12-09 8:06 ` Hanjun Guo
2013-12-03 16:39 ` [RFC part2 PATCH 3/9] ARM64 / ACPI: Introduce map_gic_id() to get apic id from MADT or _MAT method Hanjun Guo
2013-12-03 16:39 ` [RFC part2 PATCH 4/9] ARM64 / ACPI: Use Parked Address in GIC structure for spin table SMP initialisation Hanjun Guo
2013-12-03 16:39 ` [RFC part2 PATCH 5/9] ACPI: Define ACPI_IRQ_MODEL_GIC needed for arm Hanjun Guo
2013-12-03 16:39 ` [RFC part2 PATCH 6/9] Irqchip / gic: Set as default domain so we can access from ACPI Hanjun Guo
2013-12-03 16:39 ` [RFC part2 PATCH 7/9] irqdomain: Add a new API irq_create_acpi_mapping() Hanjun Guo
2013-12-03 17:25 ` Rob Herring
2013-12-04 15:38 ` Hanjun Guo
2013-12-10 10:06 ` Linus Walleij
2013-12-03 16:39 ` [RFC part2 PATCH 8/9] ACPI / ARM64: Update acpi_register_gsi to register with the core IRQ subsystem Hanjun Guo
2013-12-05 3:48 ` Arnd Bergmann [this message]
2013-12-05 14:01 ` Hanjun Guo
2013-12-03 16:39 ` [RFC part2 PATCH 9/9] ACPI / GIC: Initialize GIC using the information in MADT Hanjun Guo
2013-12-03 17:09 ` Rob Herring
2013-12-04 14:58 ` Hanjun Guo
2013-12-03 17:26 ` Marc Zyngier
2013-12-04 15:32 ` Hanjun Guo
2013-12-04 15:50 ` Marc Zyngier
2013-12-05 13:41 ` Hanjun Guo
2013-12-09 18:54 ` Olof Johansson
[not found] <1385999094-3152-1-git-send-email-hanjun.guo@linaro.org>
[not found] ` < 1385999094-3152-9-git-send-email-hanjun.guo@linaro.org>
[not found] ` <1385999094-3152-9-git-send-email-hanjun.guo@linaro.org>
2013-12-10 13:05 ` [RFC part2 PATCH 8/9] ACPI / ARM64: Update acpi_register_gsi to register with the core IRQ subsystem Grant Likely
2013-12-11 5:23 ` Arnd Bergmann
2014-01-20 14:36 ` Grant Likely
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