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Commit ed3110ef authored by Venki Pallipadi's avatar Venki Pallipadi Committed by Len Brown
Browse files

ACPI: fix "Time Problems with 2.6.23-rc1-gf695baf2" 



Enable C3 without bm control only for CST based C3.

Signed-off-by: default avatarVenkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: default avatarLen Brown <len.brown@intel.com>
parent d4ac2477

drivers/acpi/processor_idle.c

+10 −4
Original line number Diff line number Diff line
@@ -969,11 +969,17 @@ static void acpi_processor_power_verify_c3(struct acpi_processor *pr, 
	}



	if (pr->flags.bm_check) {

		/* bus mastering control is necessary */

		if (!pr->flags.bm_control) {

			/* In this case we enter C3 without bus mastering */

			if (pr->flags.has_cst != 1) {

				/* bus mastering control is necessary */

				ACPI_DEBUG_PRINT((ACPI_DB_INFO,

					"C3 support requires BM control\n"));

				return;

			} else {

				/* Here we enter C3 without bus mastering */

				ACPI_DEBUG_PRINT((ACPI_DB_INFO,

				"C3 support without bus mastering control\n"));

					"C3 support without BM control\n"));

			}

		}

	} else {

		/*