HID: intel-ish-hid: ipc: Specify no cache snooping on TGL and ADL

yeapa · Jiri Kosina · commit bcad6d1bd917 · 2022-01-06T15:39:43.000+01:00
Specify that both TGL and ADL don't support DMA cache snooping.

Signed-off-by: Ye Xiang &lt;xiang.ye@intel.com&gt;
Signed-off-by: Jiri Kosina &lt;jkosina@suse.cz&gt;
diff --git 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 = {

Original file line number	Diff line number	Diff line change
`@@ -909,7 +909,11 @@ static uint32_t ish_ipc_get_header(struct ishtp_device *dev, int length,`
`909`	`909`	`*/`
`910`	`910`	`static bool _dma_no_cache_snooping(struct ishtp_device *dev)`
`911`	`911`	`{`
`912`		`- return dev->pdev->device == EHL_Ax_DEVICE_ID;`
	`912`	`+ return (dev->pdev->device == EHL_Ax_DEVICE_ID \|\|`
	`913`	`+ dev->pdev->device == TGL_LP_DEVICE_ID \|\|`
	`914`	`+ dev->pdev->device == TGL_H_DEVICE_ID \|\|`
	`915`	`+ dev->pdev->device == ADL_S_DEVICE_ID \|\|`
	`916`	`+ dev->pdev->device == ADL_P_DEVICE_ID);`
`913`	`917`	`}`
`914`	`918`
`915`	`919`	`static const struct ishtp_hw_ops ish_hw_ops = {`