summaryrefslogtreecommitdiff
path: root/arch/x86/cpu
diff options
context:
space:
mode:
authorSimon Glass <sjg@chromium.org>2020-07-08 06:32:05 +0300
committerBin Meng <bmeng.cn@gmail.com>2020-07-17 09:32:24 +0300
commit8d7ff12e635f255afce74767a78d7584abbbaed0 (patch)
treebaf23081ee65e40970ec4c1c83a1aa7c44ae5601 /arch/x86/cpu
parent8f9877df95ae0068ce14a962bd72c22026c1d2e8 (diff)
downloadu-boot-8d7ff12e635f255afce74767a78d7584abbbaed0.tar.xz
acpi: Allow creating the GNVS to fail
In some cases an internal error may prevent this from working. Update the function return value and report the error. At present the API for writing tables does not easily support reporting errors, but once it is fully updated to use a context pointer, this will be easier. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>
Diffstat (limited to 'arch/x86/cpu')
-rw-r--r--arch/x86/cpu/baytrail/acpi.c4
-rw-r--r--arch/x86/cpu/quark/acpi.c4
-rw-r--r--arch/x86/cpu/tangier/acpi.c4
3 files changed, 9 insertions, 3 deletions
diff --git a/arch/x86/cpu/baytrail/acpi.c b/arch/x86/cpu/baytrail/acpi.c
index b17bc62a2d..07757b88a3 100644
--- a/arch/x86/cpu/baytrail/acpi.c
+++ b/arch/x86/cpu/baytrail/acpi.c
@@ -139,7 +139,7 @@ void acpi_create_fadt(struct acpi_fadt *fadt, struct acpi_facs *facs,
header->checksum = table_compute_checksum(fadt, header->length);
}
-void acpi_create_gnvs(struct acpi_global_nvs *gnvs)
+int acpi_create_gnvs(struct acpi_global_nvs *gnvs)
{
struct udevice *dev;
int ret;
@@ -159,6 +159,8 @@ void acpi_create_gnvs(struct acpi_global_nvs *gnvs)
gnvs->iuart_en = 1;
else
gnvs->iuart_en = 0;
+
+ return 0;
}
/*
diff --git a/arch/x86/cpu/quark/acpi.c b/arch/x86/cpu/quark/acpi.c
index 26cda3b337..b0406a04e9 100644
--- a/arch/x86/cpu/quark/acpi.c
+++ b/arch/x86/cpu/quark/acpi.c
@@ -133,8 +133,10 @@ void acpi_create_fadt(struct acpi_fadt *fadt, struct acpi_facs *facs,
header->checksum = table_compute_checksum(fadt, header->length);
}
-void acpi_create_gnvs(struct acpi_global_nvs *gnvs)
+int acpi_create_gnvs(struct acpi_global_nvs *gnvs)
{
/* quark is a uni-processor */
gnvs->pcnt = 1;
+
+ return 0;
}
diff --git a/arch/x86/cpu/tangier/acpi.c b/arch/x86/cpu/tangier/acpi.c
index 4ec8fdd6f8..41bd177e09 100644
--- a/arch/x86/cpu/tangier/acpi.c
+++ b/arch/x86/cpu/tangier/acpi.c
@@ -107,7 +107,7 @@ u32 acpi_fill_csrt(u32 current)
return current;
}
-void acpi_create_gnvs(struct acpi_global_nvs *gnvs)
+int acpi_create_gnvs(struct acpi_global_nvs *gnvs)
{
struct udevice *dev;
int ret;
@@ -122,4 +122,6 @@ void acpi_create_gnvs(struct acpi_global_nvs *gnvs)
if (ret > 0)
gnvs->pcnt = ret;
}
+
+ return 0;
}