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(parent: ddd2a42) | patch
x86: acpi: Enable ACPI companion for Intel iDMA 32-bit
authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Sun, 14 Jul 2019 16:23:58 +0000 (19:23 +0300)
committerBin Meng <bmeng.cn@gmail.com>
Fri, 9 Aug 2019 14:24:02 +0000 (22:24 +0800)
commite3be52ceac7fab098c47d1b7fd2f1456e8e43f7e
tree53345b8bca02c55060f680be0f4ea4e469ba66b2tree | snapshot
parentddd2a4244c26068ae1a4e3161b21b738a8bec46ecommit | diff
x86: acpi: Enable ACPI companion for Intel iDMA 32-bit

ACPI has a capability to specify DMA parameters for DMA channel consumers.
To enable this for Intel Edison, describe GP DMA device in ACPI table
in order to get an ACPI handle to it in OS.

This works in conjunction with CSRT, which must be in align with DSDT.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
arch/x86/include/asm/arch-tangier/acpi/southcluster.asl diff | blob | history
My U-Boot fork