[PATCH] HID: intel-ish-hid: ipc: Specify no cache snooping on TGL and ADL
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STALE1742d
From: Ye Xiang <hidden>
Date: 2021-12-17 07:41:13
Also in:
linux-iio, lkml
Subsystem:
hid core layer, intel integrated sensor hub driver, the rest · Maintainers:
Jiri Kosina, Benjamin Tissoires, Srinivas Pandruvada, Linus Torvalds
Specify that both TGL and ADL don't support DMA cache snooping. Signed-off-by: Ye Xiang <redacted> --- 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 45e0c7b1c9ec..8ccb246b0114 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 = {
--
2.17.1