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mei: dma: silent the reject message 

Not all FW versions support DMA on their first release,
hence it is normal behavior to receive a reject response
upon DMA setup request.
In order to prevent confusion, the DMA setup reject message
is printed only in debug level.

Cc: <stable@vger.kernel.org> #v5.0+
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Tomas Winkler 2019-01-13 14:24:46 +02:00 committed by Greg Kroah-Hartman
parent 7fefaadd6a
commit 82e59cbe5f
1 changed files with 9 additions and 3 deletions
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12
drivers/misc/mei/hbm.c
View File

@ -1187,9 +1187,15 @@ int mei_hbm_dispatch(struct mei_device *dev, struct mei_msg_hdr *hdr)
dma_setup_res = (struct hbm_dma_setup_response *)mei_msg;
if (dma_setup_res->status) {
dev_info(dev->dev, "hbm: dma setup response: failure = %d %s\n",
dma_setup_res->status,
mei_hbm_status_str(dma_setup_res->status));
u8 status = dma_setup_res->status;
if (status == MEI_HBMS_NOT_ALLOWED) {
dev_dbg(dev->dev, "hbm: dma setup not allowed\n");
} else {
dev_info(dev->dev, "hbm: dma setup response: failure = %d %s\n",
status,
mei_hbm_status_str(status));
}
dev->hbm_f_dr_supported = 0;
mei_dmam_ring_free(dev);
}