diff options
Diffstat (limited to 'common/recipes-kernel/linux/files/0005-ACPI-Set-acpi_enforce_resources-to-ENFORCE_RESOURCES.patch')
| -rw-r--r-- | common/recipes-kernel/linux/files/0005-ACPI-Set-acpi_enforce_resources-to-ENFORCE_RESOURCES.patch | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/files/0005-ACPI-Set-acpi_enforce_resources-to-ENFORCE_RESOURCES.patch b/common/recipes-kernel/linux/files/0005-ACPI-Set-acpi_enforce_resources-to-ENFORCE_RESOURCES.patch new file mode 100644 index 00000000..edac2c33 --- /dev/null +++ b/common/recipes-kernel/linux/files/0005-ACPI-Set-acpi_enforce_resources-to-ENFORCE_RESOURCES.patch @@ -0,0 +1,33 @@ +From 14d1399f0c5a075570df047aaebe592a59e5e293 Mon Sep 17 00:00:00 2001 +From: Drew Moseley <drew_moseley@mentor.com> +Date: Sat, 5 Jul 2014 17:10:52 -0400 +Subject: [PATCH 05/13] ACPI: Set acpi_enforce_resources to + ENFORCE_RESOURCES_LAX + +On some AMD platforms, the SMBus IO region 0xb00 - 0xb07 conflicts with the +corresponding ACPI SystemIO region. This prevents the SMBus host controller +driver to function correctly. We set acpi_enforce_resources to +ENFORCE_RESOURCES_LAX so that the SMBus driver can work normally, even +though a warning message notifying the conflict is printed in system logs. + +Signed-off-by: Arindam Nath <arindam.nath@amd.com> +--- + drivers/acpi/osl.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c +index 98f5316..f6c8c9a 100644 +--- a/drivers/acpi/osl.c ++++ b/drivers/acpi/osl.c +@@ -1604,7 +1604,7 @@ __setup("acpi_no_auto_serialize", acpi_no_auto_serialize_setup); + #define ENFORCE_RESOURCES_LAX 1 + #define ENFORCE_RESOURCES_NO 0 + +-static unsigned int acpi_enforce_resources = ENFORCE_RESOURCES_STRICT; ++static unsigned int acpi_enforce_resources = ENFORCE_RESOURCES_LAX; + + static int __init acpi_enforce_resources_setup(char *str) + { +-- +2.7.0 + |