From: Ye Xiang <xiang.ye@intel.com>
To: jikos@kernel.org, jic23@kernel.org, srinivas.pandruvada@linux.intel.com
Cc: linux-input@vger.kernel.org, linux-iio@vger.kernel.org,
linux-kernel@vger.kernel.org, Ye Xiang <xiang.ye@intel.com>
Subject: [PATCH] HID: intel-ish-hid: ipc: Specify no cache snooping on TGL and ADL
Date: Fri, 17 Dec 2021 15:45:41 +0800 [thread overview]
Message-ID: <20211217074541.4705-1-xiang.ye@intel.com> (raw)
Specify that both TGL and ADL don't support DMA cache snooping.
Signed-off-by: Ye Xiang <xiang.ye@intel.com>
---
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
next reply other threads:[~2021-12-17 7:41 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-17 7:45 Ye Xiang [this message]
2021-12-17 12:33 ` [PATCH] HID: intel-ish-hid: ipc: Specify no cache snooping on TGL and ADL srinivas pandruvada
2022-01-06 13:18 ` Jiri Kosina
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