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-rw-r--r--drivers/misc/mei/bus-fixup.c26
-rw-r--r--drivers/misc/mei/bus.c19
-rw-r--r--drivers/misc/mei/hdcp/mei_hdcp.c4
-rw-r--r--drivers/misc/mei/hw-me-regs.h2
-rw-r--r--drivers/misc/mei/mei_dev.h5
-rw-r--r--drivers/misc/mei/pci-me.c2
-rw-r--r--drivers/misc/mei/pxp/mei_pxp.c4
7 files changed, 38 insertions, 24 deletions
diff --git a/drivers/misc/mei/bus-fixup.c b/drivers/misc/mei/bus-fixup.c
index 6df7679d9739..211536109308 100644
--- a/drivers/misc/mei/bus-fixup.c
+++ b/drivers/misc/mei/bus-fixup.c
@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
/*
- * Copyright (c) 2013-2022, Intel Corporation. All rights reserved.
+ * Copyright (c) 2013-2023, Intel Corporation. All rights reserved.
* Intel Management Engine Interface (Intel MEI) Linux driver
*/
@@ -151,7 +151,7 @@ static int mei_fwver(struct mei_cl_device *cldev)
ret = __mei_cl_send(cldev->cl, (u8 *)&req, sizeof(req), 0,
MEI_CL_IO_TX_BLOCKING);
if (ret < 0) {
- dev_err(&cldev->dev, "Could not send ReqFWVersion cmd\n");
+ dev_info(&cldev->dev, "Could not send ReqFWVersion cmd ret = %d\n", ret);
return ret;
}
@@ -163,7 +163,7 @@ static int mei_fwver(struct mei_cl_device *cldev)
* Should be at least one version block,
* error out if nothing found
*/
- dev_err(&cldev->dev, "Could not read FW version\n");
+ dev_info(&cldev->dev, "Could not read FW version ret = %d\n", bytes_recv);
return -EIO;
}
@@ -220,15 +220,15 @@ static void mei_mkhi_fix(struct mei_cl_device *cldev)
if (cldev->bus->fw_f_fw_ver_supported) {
ret = mei_fwver(cldev);
if (ret < 0)
- dev_err(&cldev->dev, "FW version command failed %d\n",
- ret);
+ dev_info(&cldev->dev, "FW version command failed %d\n",
+ ret);
}
if (cldev->bus->hbm_f_os_supported) {
ret = mei_osver(cldev);
if (ret < 0)
- dev_err(&cldev->dev, "OS version command failed %d\n",
- ret);
+ dev_info(&cldev->dev, "OS version command failed %d\n",
+ ret);
}
mei_cldev_disable(cldev);
}
@@ -247,7 +247,7 @@ static void mei_gsc_mkhi_ver(struct mei_cl_device *cldev)
ret = mei_fwver(cldev);
if (ret < 0)
- dev_err(&cldev->dev, "FW version command failed %d\n", ret);
+ dev_info(&cldev->dev, "FW version command failed %d\n", ret);
mei_cldev_disable(cldev);
}
@@ -278,8 +278,8 @@ static void mei_gsc_mkhi_fix_ver(struct mei_cl_device *cldev)
ret = mei_fwver(cldev);
if (ret < 0)
- dev_err(&cldev->dev, "FW version command failed %d\n",
- ret);
+ dev_info(&cldev->dev, "FW version command failed %d\n",
+ ret);
out:
mei_cldev_disable(cldev);
}
@@ -380,7 +380,7 @@ static int mei_nfc_if_version(struct mei_cl *cl,
ret = __mei_cl_send(cl, (u8 *)&cmd, sizeof(cmd), 0,
MEI_CL_IO_TX_BLOCKING);
if (ret < 0) {
- dev_err(bus->dev, "Could not send IF version cmd\n");
+ dev_err(bus->dev, "Could not send IF version cmd ret = %d\n", ret);
return ret;
}
@@ -395,7 +395,7 @@ static int mei_nfc_if_version(struct mei_cl *cl,
bytes_recv = __mei_cl_recv(cl, (u8 *)reply, if_version_length, &vtag,
0, 0);
if (bytes_recv < 0 || (size_t)bytes_recv < if_version_length) {
- dev_err(bus->dev, "Could not read IF version\n");
+ dev_err(bus->dev, "Could not read IF version ret = %d\n", bytes_recv);
ret = -EIO;
goto err;
}
@@ -403,7 +403,7 @@ static int mei_nfc_if_version(struct mei_cl *cl,
memcpy(ver, reply->data, sizeof(*ver));
dev_info(bus->dev, "NFC MEI VERSION: IVN 0x%x Vendor ID 0x%x Type 0x%x\n",
- ver->fw_ivn, ver->vendor_id, ver->radio_type);
+ ver->fw_ivn, ver->vendor_id, ver->radio_type);
err:
kfree(reply);
diff --git a/drivers/misc/mei/bus.c b/drivers/misc/mei/bus.c
index 4a08b624910a..5d7a68674d9b 100644
--- a/drivers/misc/mei/bus.c
+++ b/drivers/misc/mei/bus.c
@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
/*
- * Copyright (c) 2012-2019, Intel Corporation. All rights reserved.
+ * Copyright (c) 2012-2023, Intel Corporation. All rights reserved.
* Intel Management Engine Interface (Intel MEI) Linux driver
*/
@@ -702,13 +702,15 @@ void *mei_cldev_dma_map(struct mei_cl_device *cldev, u8 buffer_id, size_t size)
if (cl->state == MEI_FILE_UNINITIALIZED) {
ret = mei_cl_link(cl);
if (ret)
- goto out;
+ goto notlinked;
/* update pointers */
cl->cldev = cldev;
}
ret = mei_cl_dma_alloc_and_map(cl, NULL, buffer_id, size);
-out:
+ if (ret)
+ mei_cl_unlink(cl);
+notlinked:
mutex_unlock(&bus->device_lock);
if (ret)
return ERR_PTR(ret);
@@ -758,7 +760,7 @@ int mei_cldev_enable(struct mei_cl_device *cldev)
if (cl->state == MEI_FILE_UNINITIALIZED) {
ret = mei_cl_link(cl);
if (ret)
- goto out;
+ goto notlinked;
/* update pointers */
cl->cldev = cldev;
}
@@ -785,6 +787,9 @@ int mei_cldev_enable(struct mei_cl_device *cldev)
}
out:
+ if (ret)
+ mei_cl_unlink(cl);
+notlinked:
mutex_unlock(&bus->device_lock);
return ret;
@@ -1222,9 +1227,9 @@ ATTRIBUTE_GROUPS(mei_cldev);
*
* Return: 0 on success -ENOMEM on when add_uevent_var fails
*/
-static int mei_cl_device_uevent(struct device *dev, struct kobj_uevent_env *env)
+static int mei_cl_device_uevent(const struct device *dev, struct kobj_uevent_env *env)
{
- struct mei_cl_device *cldev = to_mei_cl_device(dev);
+ const struct mei_cl_device *cldev = to_mei_cl_device(dev);
const uuid_le *uuid = mei_me_cl_uuid(cldev->me_cl);
u8 version = mei_me_cl_ver(cldev->me_cl);
@@ -1277,7 +1282,6 @@ static void mei_cl_bus_dev_release(struct device *dev)
mei_cl_flush_queues(cldev->cl, NULL);
mei_me_cl_put(cldev->me_cl);
mei_dev_bus_put(cldev->bus);
- mei_cl_unlink(cldev->cl);
kfree(cldev->cl);
kfree(cldev);
}
@@ -1388,6 +1392,7 @@ static int mei_cl_bus_dev_add(struct mei_cl_device *cldev)
*/
static void mei_cl_bus_dev_stop(struct mei_cl_device *cldev)
{
+ cldev->do_match = 0;
if (cldev->is_added)
device_release_driver(&cldev->dev);
}
diff --git a/drivers/misc/mei/hdcp/mei_hdcp.c b/drivers/misc/mei/hdcp/mei_hdcp.c
index e889a8bd7ac8..e0dcd5c114db 100644
--- a/drivers/misc/mei/hdcp/mei_hdcp.c
+++ b/drivers/misc/mei/hdcp/mei_hdcp.c
@@ -859,8 +859,8 @@ static void mei_hdcp_remove(struct mei_cl_device *cldev)
dev_warn(&cldev->dev, "mei_cldev_disable() failed\n");
}
-#define MEI_UUID_HDCP GUID_INIT(0xB638AB7E, 0x94E2, 0x4EA2, 0xA5, \
- 0x52, 0xD1, 0xC5, 0x4B, 0x62, 0x7F, 0x04)
+#define MEI_UUID_HDCP UUID_LE(0xB638AB7E, 0x94E2, 0x4EA2, 0xA5, \
+ 0x52, 0xD1, 0xC5, 0x4B, 0x62, 0x7F, 0x04)
static const struct mei_cl_device_id mei_hdcp_tbl[] = {
{ .uuid = MEI_UUID_HDCP, .version = MEI_CL_VERSION_ANY },
diff --git a/drivers/misc/mei/hw-me-regs.h b/drivers/misc/mei/hw-me-regs.h
index 99966cd3e7d8..bdc65d50b945 100644
--- a/drivers/misc/mei/hw-me-regs.h
+++ b/drivers/misc/mei/hw-me-regs.h
@@ -111,6 +111,8 @@
#define MEI_DEV_ID_RPL_S 0x7A68 /* Raptor Lake Point S */
+#define MEI_DEV_ID_MTL_M 0x7E70 /* Meteor Lake Point M */
+
/*
* MEI HW Section
*/
diff --git a/drivers/misc/mei/mei_dev.h b/drivers/misc/mei/mei_dev.h
index 996b70a988be..895011b7a0bf 100644
--- a/drivers/misc/mei/mei_dev.h
+++ b/drivers/misc/mei/mei_dev.h
@@ -13,6 +13,11 @@
#include <linux/mei.h>
#include <linux/mei_cl_bus.h>
+static inline int uuid_le_cmp(const uuid_le u1, const uuid_le u2)
+{
+ return memcmp(&u1, &u2, sizeof(uuid_le));
+}
+
#include "hw.h"
#include "hbm.h"
diff --git a/drivers/misc/mei/pci-me.c b/drivers/misc/mei/pci-me.c
index 9f6ff06a94fd..676d566f38dd 100644
--- a/drivers/misc/mei/pci-me.c
+++ b/drivers/misc/mei/pci-me.c
@@ -118,6 +118,8 @@ static const struct pci_device_id mei_me_pci_tbl[] = {
{MEI_PCI_DEVICE(MEI_DEV_ID_RPL_S, MEI_ME_PCH15_CFG)},
+ {MEI_PCI_DEVICE(MEI_DEV_ID_MTL_M, MEI_ME_PCH15_CFG)},
+
/* required last entry */
{0, }
};
diff --git a/drivers/misc/mei/pxp/mei_pxp.c b/drivers/misc/mei/pxp/mei_pxp.c
index 8dd09b1722eb..7ee1fa7b1cb3 100644
--- a/drivers/misc/mei/pxp/mei_pxp.c
+++ b/drivers/misc/mei/pxp/mei_pxp.c
@@ -238,8 +238,8 @@ static void mei_pxp_remove(struct mei_cl_device *cldev)
}
/* fbf6fcf1-96cf-4e2e-a6a6-1bab8cbe36b1 : PAVP GUID*/
-#define MEI_GUID_PXP GUID_INIT(0xfbf6fcf1, 0x96cf, 0x4e2e, 0xA6, \
- 0xa6, 0x1b, 0xab, 0x8c, 0xbe, 0x36, 0xb1)
+#define MEI_GUID_PXP UUID_LE(0xfbf6fcf1, 0x96cf, 0x4e2e, 0xA6, \
+ 0xa6, 0x1b, 0xab, 0x8c, 0xbe, 0x36, 0xb1)
static struct mei_cl_device_id mei_pxp_tbl[] = {
{ .uuid = MEI_GUID_PXP, .version = MEI_CL_VERSION_ANY },
generated by cgit (git 2.34.1) at 2024-06-11 19:00:21 +0000