From bcad6d1bd9177740176ea79f6d0fc9f5b07e0c43 Mon Sep 17 00:00:00 2001 From: Ye Xiang Date: Fri, 17 Dec 2021 15:45:41 +0800 Subject: [PATCH] HID: intel-ish-hid: ipc: Specify no cache snooping on TGL and ADL Specify that both TGL and ADL don't support DMA cache snooping. Signed-off-by: Ye Xiang Signed-off-by: Jiri Kosina --- drivers/hid/intel-ish-hid/ipc/ipc.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/hid/intel-ish-hid/ipc/ipc.c b/drivers/hid/intel-ish-hid/ipc/ipc.c index 45e0c7b..8ccb246 100644 --- a/drivers/hid/intel-ish-hid/ipc/ipc.c +++ b/drivers/hid/intel-ish-hid/ipc/ipc.c @@ -909,7 +909,11 @@ static uint32_t ish_ipc_get_header(struct ishtp_device *dev, int length, */ static bool _dma_no_cache_snooping(struct ishtp_device *dev) { - return dev->pdev->device == EHL_Ax_DEVICE_ID; + return (dev->pdev->device == EHL_Ax_DEVICE_ID || + dev->pdev->device == TGL_LP_DEVICE_ID || + dev->pdev->device == TGL_H_DEVICE_ID || + dev->pdev->device == ADL_S_DEVICE_ID || + dev->pdev->device == ADL_P_DEVICE_ID); } static const struct ishtp_hw_ops ish_hw_ops = { -- 2.7.4