drivers: Introduce device lookup variants by ACPI_COMPANION device

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Add a generic helper to match a device by the ACPI_COMPANION device
and provide wrappers for the device lookup APIs.

Cc: Len Brown <lenb@kernel.org>
Cc: linux-acpi@vger.kernel.org
Cc: linux-spi@vger.kernel.org
Cc: Mika Westerberg <mika.westerberg@linux.intel.com>
Cc: linux-i2c@vger.kernel.org
Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Wolfram Sang <wsa@the-dreams.de> # I2C parts
Link: https://lore.kernel.org/r/20190723221838.12024-6-suzuki.poulose@arm.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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This commit is contained in:

Suzuki K Poulose 2019-07-23 23:18:36 +01:00 • committed by Greg Kroah-Hartman

parent 4495dfdd61

commit 00500147cb

4 changed files with 74 additions and 16 deletions

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6

drivers/base/core.c

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11

drivers/i2c/i2c-core-acpi.c

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8

drivers/spi/spi.c

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65

include/linux/device.h

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