diff options
Diffstat (limited to 'meta-linaro-integration/recipes-overlayed/fwts/files/0002-ACPI-add-the-hardware-reduced-mode-check-function-in.patch')
| -rw-r--r-- | meta-linaro-integration/recipes-overlayed/fwts/files/0002-ACPI-add-the-hardware-reduced-mode-check-function-in.patch | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/meta-linaro-integration/recipes-overlayed/fwts/files/0002-ACPI-add-the-hardware-reduced-mode-check-function-in.patch b/meta-linaro-integration/recipes-overlayed/fwts/files/0002-ACPI-add-the-hardware-reduced-mode-check-function-in.patch new file mode 100644 index 00000000..62e74701 --- /dev/null +++ b/meta-linaro-integration/recipes-overlayed/fwts/files/0002-ACPI-add-the-hardware-reduced-mode-check-function-in.patch @@ -0,0 +1,67 @@ +From ff40052c103ed67677b9c4a17cdcee62ca8f6aed Mon Sep 17 00:00:00 2001 +From: Fu Wei <fu.wei@linaro.org> +Date: Tue, 25 Nov 2014 17:12:24 +0800 +Subject: [PATCH 2/3] ACPI: add the hardware reduced mode check function in + src/lib/src/fwts_acpi_tables.c. + +It is a prerequisite for ignoring a missing FACS table in hardware-reduced mode. + +Upstream-status: Pending +Signed-off-by: Fu Wei <fu.wei@linaro.org> +--- + src/lib/include/fwts_acpi.h | 1 + + src/lib/include/fwts_acpi_tables.h | 2 ++ + src/lib/src/fwts_acpi_tables.c | 14 ++++++++++++++ + 3 files changed, 17 insertions(+) + +diff --git a/src/lib/include/fwts_acpi.h b/src/lib/include/fwts_acpi.h +index 24ebc84..73a3461 100644 +--- a/src/lib/include/fwts_acpi.h ++++ b/src/lib/include/fwts_acpi.h +@@ -46,6 +46,7 @@ extern const char *fwts_acpi_fadt_preferred_pm_profile[]; + + #define FWTS_ACPI_FADT_PREFERRED_PM_PROFILE(x) \ + ((x) > 8) ? "Reserved" : fwts_acpi_fadt_preferred_pm_profile[x] ++#define FWTS_ACPI_FADT_FLAGS_HW_REDUCED_ACPI (1<<20) + + /* 5.2.3.1 Generic Address Structure */ + typedef struct { +diff --git a/src/lib/include/fwts_acpi_tables.h b/src/lib/include/fwts_acpi_tables.h +index 6977e87..798dfc5 100644 +--- a/src/lib/include/fwts_acpi_tables.h ++++ b/src/lib/include/fwts_acpi_tables.h +@@ -45,4 +45,6 @@ int fwts_acpi_find_table_by_addr(fwts_framework *fw, const uint64_t addr, fwts_a + int fwts_acpi_get_table(fwts_framework *fw, const int index, fwts_acpi_table_info **info); + uint8_t fwts_acpi_checksum(const uint8_t *data, const int length); + ++fwts_bool fwts_acpi_is_reduced_hardware(const fwts_acpi_table_fadt *fadt); ++ + #endif +diff --git a/src/lib/src/fwts_acpi_tables.c b/src/lib/src/fwts_acpi_tables.c +index 96a117e..7f73a10 100644 +--- a/src/lib/src/fwts_acpi_tables.c ++++ b/src/lib/src/fwts_acpi_tables.c +@@ -275,6 +275,20 @@ int fwts_acpi_free_tables(void) + } + + /* ++ * fwts_acpi_is_reduced_hardware() ++ * Check the ACPI tables for HW_REDUCED_ACPI bit in flag field. ++ */ ++fwts_bool fwts_acpi_is_reduced_hardware(const fwts_acpi_table_fadt *fadt) ++{ ++ if ((fadt->header.revision >= 5) && ++ (fadt->header.length >= 116)&& ++ (fadt->flags && FWTS_ACPI_FADT_FLAGS_HW_REDUCED_ACPI)) { ++ return FWTS_TRUE; ++ } ++ return FWTS_FALSE; ++} ++ ++/* + * fwts_acpi_handle_fadt_tables() + * depending on whether 32 or 64 bit address is usable, get the table + * address and load it. This handles the DSDT and FACS as pointed to +-- +2.1.1 + |