From 4eebedd8f1a6609739c2e9a9b020791b23cbcceb Mon Sep 17 00:00:00 2001 From: Lv Zheng Date: Thu, 3 Aug 2017 14:26:19 +0800 Subject: ACPICA: Divergences: reduce access size definitions ACPICA commit cf27b3c98883d2a15d932016792fcb8272ace96d The following commit introduces definition of access width to ACPICA. Commit: 2bece49394872d36bbc5767fd643deac05920c55 Subject: ACPI: SPCR: Use access width to determine mmio usage Actually the access bit width can be calculated via access width. It would be better to define a macro calculating bit width rather than defining fixed values. This patch thus cleans up the definitions to reduce divergences. Link: https://github.com/acpica/acpica/commit/cf27b3c9 Signed-off-by: Lv Zheng Signed-off-by: Rafael J. Wysocki --- drivers/acpi/acpica/hwregs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/acpi/acpica/hwregs.c') diff --git a/drivers/acpi/acpica/hwregs.c b/drivers/acpi/acpica/hwregs.c index de74a4c25085..acb417b58bbb 100644 --- a/drivers/acpi/acpica/hwregs.c +++ b/drivers/acpi/acpica/hwregs.c @@ -107,7 +107,7 @@ acpi_hw_get_access_bit_width(u64 address, ACPI_IS_ALIGNED(reg->bit_width, 8)) { access_bit_width = reg->bit_width; } else if (reg->access_width) { - access_bit_width = (1 << (reg->access_width + 2)); + access_bit_width = ACPI_ACCESS_BIT_WIDTH(reg->access_width); } else { access_bit_width = ACPI_ROUND_UP_POWER_OF_TWO_8(reg->bit_offset + -- cgit v1.2.3