This reverts commit 1b474ee01fbb73b1365adbf9b3067f7375e471ee.

The new buffer management code that this feature relies on is broken so
revert for now.

The interface for writing data and support for UCSI_SET_PDOS looks like
it could use some more thought as well.

Signed-off-by: Johan Hovold <johan@kernel.org>
---
 drivers/usb/typec/ucsi/debugfs.c | 1 -
 drivers/usb/typec/ucsi/ucsi.h    | 1 -
 2 files changed, 2 deletions(-)

diff --git a/drivers/usb/typec/ucsi/debugfs.c b/drivers/usb/typec/ucsi/debugfs.c
index 174f4d53b777..90d11b79d2c0 100644
--- a/drivers/usb/typec/ucsi/debugfs.c
+++ b/drivers/usb/typec/ucsi/debugfs.c
@@ -37,7 +37,6 @@ static int ucsi_cmd(void *data, u64 val)
 	case UCSI_SET_USB:
 	case UCSI_SET_POWER_LEVEL:
 	case UCSI_READ_POWER_LEVEL:
-	case UCSI_SET_PDOS:
 		ucsi->message_in_size = 0;
 		ret = ucsi_send_command(ucsi, val);
 		break;
diff --git a/drivers/usb/typec/ucsi/ucsi.h b/drivers/usb/typec/ucsi/ucsi.h
index f946b728c373..d01b796a8d23 100644
--- a/drivers/usb/typec/ucsi/ucsi.h
+++ b/drivers/usb/typec/ucsi/ucsi.h
@@ -137,7 +137,6 @@ void ucsi_connector_change(struct ucsi *ucsi, u8 num);
 #define UCSI_GET_PD_MESSAGE			0x15
 #define UCSI_GET_CAM_CS			0x18
 #define UCSI_SET_SINK_PATH			0x1c
-#define UCSI_SET_PDOS				0x1d
 #define UCSI_READ_POWER_LEVEL			0x1e
 #define UCSI_SET_USB				0x21
 #define UCSI_GET_LPM_PPM_INFO			0x22
-- 
2.51.2