[PATCH 2/2] ACPI: PCC: fix Tx done interface in handler

From: Huisong Li
Date: Tue Sep 20 2022 - 05:48:18 EST


A error, "Client can't run the TX ticker", is printed even if PCC command
executed successfully. This root cause is that PCC handler calls
'mbox_client_txdone()' which depands on the client can received 'ACK'
packet. But PCC handler detects whether the command is complete through
the Tx ACK interrupt. So this patch fix it.

Fixes: 77e2a04745ff ("ACPI: PCC: Implement OperationRegion handler for the PCC Type 3 subtype")

Signed-off-by: Huisong Li <lihuisong@xxxxxxxxxx>
---
drivers/acpi/acpi_pcc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/acpi/acpi_pcc.c b/drivers/acpi/acpi_pcc.c
index a1052fe998bf..95d2dc274bd9 100644
--- a/drivers/acpi/acpi_pcc.c
+++ b/drivers/acpi/acpi_pcc.c
@@ -118,7 +118,7 @@ acpi_pcc_address_space_handler(u32 function, acpi_physical_address addr,
}
}

- mbox_client_txdone(data->pcc_chan->mchan, ret);
+ mbox_chan_txdone(data->pcc_chan->mchan, ret);

memcpy_fromio(value, data->pcc_comm_addr, data->ctx.length);

--
2.33.0