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Message-Id: <1453300171-25473-1-git-send-email-aleksey.makarov@linaro.org> Date: Wed, 20 Jan 2016 20:29:25 +0600 From: Aleksey Makarov <aleksey.makarov@...aro.org> To: linux-acpi@...r.kernel.org Cc: linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, Aleksey Makarov <aleksey.makarov@...aro.org>, Graeme Gregory <graeme.gregory@...aro.org>, Russell King <linux@....linux.org.uk>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, "Rafael J . Wysocki" <rjw@...ysocki.net>, Shannon Zhao <shannon.zhao@...aro.org>, Andy Shevchenko <andy.shevchenko@...il.com>, Vladimir Zapolskiy <vz@...ia.com> Subject: [PATCH v6 0/2] Add AMBA bus probing support to ACPI As discussed when Shannon Zhao sent a patch to add platform_device support to pl061 driver. Russell and other maintainers prefered that ACPI learned how to create AMBA devices rather than converting/adding platform_device support to AMBA drivers. http://comments.gmane.org/gmane.linux.ports.arm.kernel/431364 This patchset 1) Adds basic AMBA device probing support to ACPI, it uses a whitelist of device IDs as the number of AMBA devices is limited. Currently the only id present is of the GPIO device that is used in QEMU for arm64. 2) Adds the plumbing into ACPI probe sequence. 3) Factors out the code that finds the first physical node of an ACPI device. v6: - Fix style issues (Andy Shevchenko) - Acked-by: Russell King <rmk+kernel@....linux.org.uk> v5: https://lkml.kernel.org/g/1452518790-27053-1-git-send-email-aleksey.makarov@linaro.org - Introduce a new function acpi_get_first_physical_node() in a separate patch (Andy Shevchenko) - Combine the patch "ACPI: amba bus probing support" with the one line patch "ACPI: scan add in amba probing" - Drop patch "serial: amba-pl011: add ACPI support to AMBA probe" until maintainers decide on the further directions (see [1, 2]) - Don't initialize dev->dev.parent and set the device's name with amba_device_alloc() (Russell King) - Fix minor bugs and style issues (Andy Shevchenko) [1] https://lkml.kernel.org/g/20160106100700.GA19062@n2100.arm.linux.org.uk [2] https://lkml.kernel.org/g/20160106110350.GB3599@xora-haswell.xora.org.uk v4: https://lkml.kernel.org/g/1450880383-29560-1-git-send-email-aleksey.makarov@linaro.org - A memory leak has been fixed (Vladimir Zapolskiy) - ACPI_COMPANION() -> has_acpi_companion() (Andy Shevchenko) - pr_err() -> dev_err() (Andy Shevchenko) - The call to amba_register_dummy_clk() has been moved to to acpi_amba_init() (Vladimir Zapolskiy) - Return value has been fixed (Vladimir Zapolskiy) v3: https://lkml.kernel.org/g/1450716100-13688-1-git-send-email-aleksey.makarov@linaro.org - Compilation without CONFIG_ARM_AMBA has been fixed v2: https://lkml.kernel.org/g/1450709399-7246-1-git-send-email-aleksey.makarov@linaro.org - A new ACPI scan handler for AMBA devices has been implemented - The order of `if` branches in amba-pl011.c has been changed - A couple of `static`s have been added - The compilation of the acpi_amba.c unit has made conditional - A comment on SBSA UART has been added v1: https://lkml.kernel.org/g/1443609530-21524-1-git-send-email-graeme.gregory@linaro.org Aleksey Makarov (1): ACPI: introduce a function to find the first physical device Graeme Gregory (1): ACPI: amba bus probing support drivers/acpi/Makefile | 1 + drivers/acpi/acpi_amba.c | 122 +++++++++++++++++++++++++++++++++++++++++++ drivers/acpi/acpi_platform.c | 19 +------ drivers/acpi/bus.c | 33 ++++++++---- drivers/acpi/internal.h | 6 +++ drivers/acpi/scan.c | 1 + 6 files changed, 154 insertions(+), 28 deletions(-) create mode 100644 drivers/acpi/acpi_amba.c -- 2.7.0
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