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authorTomas Winkler <tomas.winkler@intel.com>2019-01-13 13:24:46 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-01-13 15:45:42 +0100
commit82e59cbe5fdc0d521f9037861af21af6d5814afd (patch)
treea6b22918676ec3f7329bb7859133991c28af3079 /drivers/misc
parentbinderfs: handle !CONFIG_IPC_NS builds (diff)
downloadlinux-82e59cbe5fdc0d521f9037861af21af6d5814afd.tar.xz
linux-82e59cbe5fdc0d521f9037861af21af6d5814afd.zip
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>
Diffstat (limited to 'drivers/misc')
-rw-r--r--drivers/misc/mei/hbm.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/misc/mei/hbm.c b/drivers/misc/mei/hbm.c
index 78c26cebf5d4..8f7616557c97 100644
--- a/drivers/misc/mei/hbm.c
+++ b/drivers/misc/mei/hbm.c
@@ -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);
}