[PATCH v1 11/27] ACPICA: fix I2C LVR item count in the conversion table

Rafael J. Wysocki posted 1 patch 1 week, 4 days ago
drivers/acpi/acpica/rsserial.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
[PATCH v1 11/27] ACPICA: fix I2C LVR item count in the conversion table
Posted by Rafael J. Wysocki 1 week, 4 days ago
From: Akhil R <akhilrajeev@nvidia.com>

For ACPI_RSC_MOVE8, the 'Value' field in struct acpi_rsconvert_info
is the item count count and not a bit position like for the
bitflags. Set 'Value' as '1' to fix this.

Conversion still works coincidentally with '0' because
item_count is not reset between table entries, and the previous
count value was taking effect.

Link: https://github.com/acpica/acpica/commit/70082dc8fc84
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
---
 drivers/acpi/acpica/rsserial.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/acpi/acpica/rsserial.c b/drivers/acpi/acpica/rsserial.c
index 7d7ee3af7272..5ab41e9b9039 100644
--- a/drivers/acpi/acpica/rsserial.c
+++ b/drivers/acpi/acpica/rsserial.c
@@ -394,7 +394,7 @@ struct acpi_rsconvert_info acpi_rs_convert_i2c_serial_bus[18] = {
 	/* Read LVR from Type Specific Flags, bits[15:8] */
 	{ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.i2c_serial_bus.lvr),
 	 AML_OFFSET(i2c_serial_bus.type_specific_flags) + 1,
-	 0},
+	 1},
 
 	{ACPI_RSC_MOVE32, ACPI_RS_OFFSET(data.i2c_serial_bus.connection_speed),
 	 AML_OFFSET(i2c_serial_bus.connection_speed),
-- 
2.51.0