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-rw-r--r--lib/acpi/acpi_table.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/acpi/acpi_table.c b/lib/acpi/acpi_table.c
index b9e12228fda..6473d95c102 100644
--- a/lib/acpi/acpi_table.c
+++ b/lib/acpi/acpi_table.c
@@ -420,7 +420,7 @@ int acpi_write_dbg2_pci_uart(struct acpi_ctx *ctx, struct udevice *dev,
static int acpi_write_spcr(struct acpi_ctx *ctx, const struct acpi_writer *entry)
{
struct serial_device_info serial_info = {0};
- u64 serial_address, serial_offset;
+ ulong serial_address, serial_offset;
struct acpi_table_header *header;
struct acpi_spcr *spcr;
struct udevice *dev;
@@ -473,7 +473,7 @@ static int acpi_write_spcr(struct acpi_ctx *ctx, const struct acpi_writer *entry
}
serial_width = serial_info.reg_width * 8;
- serial_offset = ((u64)serial_info.reg_offset) << serial_info.reg_shift;
+ serial_offset = serial_info.reg_offset << serial_info.reg_shift;
serial_address = serial_info.addr + serial_offset;
/* Encode register access size */