summaryrefslogtreecommitdiff
path: root/drivers/misc/mei
diff options
context:
space:
mode:
authorTomas Winkler <tomas.winkler@intel.com>2020-04-29 00:12:00 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-05-05 16:56:41 +0200
commitd76bc8200f9cf8b6746e66b37317ba477eda25c4 (patch)
tree7b4c78dd797c43f137ae1bf81eaa77fe1d4905b2 /drivers/misc/mei
parent73faaa623fc9a97997b0141f54b114685c3b9676 (diff)
downloadlinux-next-d76bc8200f9cf8b6746e66b37317ba477eda25c4.tar.gz
mei: me: disable mei interface on LBG servers.
Disable the MEI driver on LBG SPS (server) platforms, some corner flows such as recovery mode does not work, and the driver doesn't have working use cases. Cc: <stable@vger.kernel.org> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Link: https://lore.kernel.org/r/20200428211200.12200-1-tomas.winkler@intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc/mei')
-rw-r--r--drivers/misc/mei/hw-me.c8
-rw-r--r--drivers/misc/mei/hw-me.h4
-rw-r--r--drivers/misc/mei/pci-me.c2
3 files changed, 13 insertions, 1 deletions
diff --git a/drivers/misc/mei/hw-me.c b/drivers/misc/mei/hw-me.c
index 668418d7ea77..f620442addf5 100644
--- a/drivers/misc/mei/hw-me.c
+++ b/drivers/misc/mei/hw-me.c
@@ -1465,6 +1465,13 @@ static const struct mei_cfg mei_me_pch12_cfg = {
MEI_CFG_DMA_128,
};
+/* LBG with quirk for SPS Firmware exclusion */
+static const struct mei_cfg mei_me_pch12_sps_cfg = {
+ MEI_CFG_PCH8_HFS,
+ MEI_CFG_FW_VER_SUPP,
+ MEI_CFG_FW_SPS,
+};
+
/* Tiger Lake and newer devices */
static const struct mei_cfg mei_me_pch15_cfg = {
MEI_CFG_PCH8_HFS,
@@ -1487,6 +1494,7 @@ static const struct mei_cfg *const mei_cfg_list[] = {
[MEI_ME_PCH8_CFG] = &mei_me_pch8_cfg,
[MEI_ME_PCH8_SPS_CFG] = &mei_me_pch8_sps_cfg,
[MEI_ME_PCH12_CFG] = &mei_me_pch12_cfg,
+ [MEI_ME_PCH12_SPS_CFG] = &mei_me_pch12_sps_cfg,
[MEI_ME_PCH15_CFG] = &mei_me_pch15_cfg,
};
diff --git a/drivers/misc/mei/hw-me.h b/drivers/misc/mei/hw-me.h
index 4a8d4dcd5a91..b6b94e211464 100644
--- a/drivers/misc/mei/hw-me.h
+++ b/drivers/misc/mei/hw-me.h
@@ -80,6 +80,9 @@ struct mei_me_hw {
* servers platforms with quirk for
* SPS firmware exclusion.
* @MEI_ME_PCH12_CFG: Platform Controller Hub Gen12 and newer
+ * @MEI_ME_PCH12_SPS_CFG: Platform Controller Hub Gen12 and newer
+ * servers platforms with quirk for
+ * SPS firmware exclusion.
* @MEI_ME_PCH15_CFG: Platform Controller Hub Gen15 and newer
* @MEI_ME_NUM_CFG: Upper Sentinel.
*/
@@ -93,6 +96,7 @@ enum mei_cfg_idx {
MEI_ME_PCH8_CFG,
MEI_ME_PCH8_SPS_CFG,
MEI_ME_PCH12_CFG,
+ MEI_ME_PCH12_SPS_CFG,
MEI_ME_PCH15_CFG,
MEI_ME_NUM_CFG,
};
diff --git a/drivers/misc/mei/pci-me.c b/drivers/misc/mei/pci-me.c
index 0c390fe421ad..a1ed375fed37 100644
--- a/drivers/misc/mei/pci-me.c
+++ b/drivers/misc/mei/pci-me.c
@@ -70,7 +70,7 @@ static const struct pci_device_id mei_me_pci_tbl[] = {
{MEI_PCI_DEVICE(MEI_DEV_ID_SPT_2, MEI_ME_PCH8_CFG)},
{MEI_PCI_DEVICE(MEI_DEV_ID_SPT_H, MEI_ME_PCH8_SPS_CFG)},
{MEI_PCI_DEVICE(MEI_DEV_ID_SPT_H_2, MEI_ME_PCH8_SPS_CFG)},
- {MEI_PCI_DEVICE(MEI_DEV_ID_LBG, MEI_ME_PCH12_CFG)},
+ {MEI_PCI_DEVICE(MEI_DEV_ID_LBG, MEI_ME_PCH12_SPS_CFG)},
{MEI_PCI_DEVICE(MEI_DEV_ID_BXT_M, MEI_ME_PCH8_CFG)},
{MEI_PCI_DEVICE(MEI_DEV_ID_APL_I, MEI_ME_PCH8_CFG)},