diff options
| -rw-r--r-- | arch/x86/cpu/baytrail/acpi.c | 4 | ||||
| -rw-r--r-- | arch/x86/cpu/quark/acpi.c | 4 | ||||
| -rw-r--r-- | arch/x86/cpu/tangier/acpi.c | 4 | ||||
| -rw-r--r-- | arch/x86/include/asm/acpi_table.h | 10 | ||||
| -rw-r--r-- | arch/x86/lib/acpi_table.c | 11 |
5 files changed, 27 insertions, 6 deletions
diff --git a/arch/x86/cpu/baytrail/acpi.c b/arch/x86/cpu/baytrail/acpi.c index b17bc62a2db..07757b88a30 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 26cda3b3376..b0406a04e92 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 4ec8fdd6f89..41bd177e095 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; } diff --git a/arch/x86/include/asm/acpi_table.h b/arch/x86/include/asm/acpi_table.h index 928475cef4e..733085c1785 100644 --- a/arch/x86/include/asm/acpi_table.h +++ b/arch/x86/include/asm/acpi_table.h @@ -35,7 +35,15 @@ int acpi_create_mcfg_mmconfig(struct acpi_mcfg_mmconfig *mmconfig, u32 base, u16 seg_nr, u8 start, u8 end); u32 acpi_fill_mcfg(u32 current); u32 acpi_fill_csrt(u32 current); -void acpi_create_gnvs(struct acpi_global_nvs *gnvs); + +/** + * acpi_create_gnvs() - Create a GNVS (Global Non Volatile Storage) table + * + * @gnvs: Table to fill in + * @return 0 if OK, -ve on error + */ +int acpi_create_gnvs(struct acpi_global_nvs *gnvs); + ulong write_acpi_tables(ulong start); /** diff --git a/arch/x86/lib/acpi_table.c b/arch/x86/lib/acpi_table.c index eeacfe9b06c..8219376e170 100644 --- a/arch/x86/lib/acpi_table.c +++ b/arch/x86/lib/acpi_table.c @@ -23,6 +23,7 @@ #include <asm/tables.h> #include <asm/arch/global_nvs.h> #include <dm/acpi.h> +#include <linux/err.h> /* * IASL compiles the dsdt entries and writes the hex values @@ -443,8 +444,14 @@ ulong write_acpi_tables(ulong start_addr) dsdt->checksum = 0; dsdt->checksum = table_compute_checksum((void *)dsdt, dsdt->length); - /* Fill in platform-specific global NVS variables */ - acpi_create_gnvs(ctx->current); + /* + * Fill in platform-specific global NVS variables. If this fails we + * cannot return the error but this should only happen while debugging. + */ + addr = acpi_create_gnvs(ctx->current); + if (IS_ERR_VALUE(addr)) + printf("Error: Failed to create GNVS\n"); + acpi_inc_align(ctx, sizeof(struct acpi_global_nvs)); debug("ACPI: * FADT\n"); |