Re: [PATCH] HID: intel-ish-hid: ipc: Specify no cache snooping on TGL and ADL
From: srinivas pandruvada <srinivas.pandruvada@linux.intel.com>
Date: 2021-12-17 12:33:10
Also in:
linux-iio, lkml
On Fri, 2021-12-17 at 15:45 +0800, Ye Xiang wrote:
Specify that both TGL and ADL don't support DMA cache snooping. Signed-off-by: Ye Xiang <redacted>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
quoted hunk ↗ jump to hunk
--- 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(structishtp_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 = {