diff options
Diffstat (limited to 'arch/x86/lib/acpi_table.c')
| -rw-r--r-- | arch/x86/lib/acpi_table.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/arch/x86/lib/acpi_table.c b/arch/x86/lib/acpi_table.c index 79bc2000bd..04058a60d7 100644 --- a/arch/x86/lib/acpi_table.c +++ b/arch/x86/lib/acpi_table.c @@ -342,6 +342,7 @@ static void acpi_create_spcr(struct acpi_spcr *spcr) struct acpi_table_header *header = &(spcr->header); struct serial_device_info serial_info = {0}; ulong serial_address, serial_offset; + struct udevice *dev; uint serial_config; uint serial_width; int access_size; @@ -353,7 +354,10 @@ static void acpi_create_spcr(struct acpi_spcr *spcr) header->length = sizeof(struct acpi_spcr); header->revision = 2; - ret = serial_getinfo(&serial_info); + /* Read the device once, here. It is reused below */ + ret = uclass_first_device_err(UCLASS_SERIAL, &dev); + if (!ret) + ret = serial_getinfo(dev, &serial_info); if (ret) serial_info.type = SERIAL_CHIP_UNKNOWN; @@ -431,9 +435,9 @@ static void acpi_create_spcr(struct acpi_spcr *spcr) break; } - ret = serial_getconfig(&serial_config); - if (ret) - serial_config = SERIAL_DEFAULT_CONFIG; + serial_config = SERIAL_DEFAULT_CONFIG; + if (dev) + ret = serial_getconfig(dev, &serial_config); spcr->parity = SERIAL_GET_PARITY(serial_config); spcr->stop_bits = SERIAL_GET_STOP(serial_config); |