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| author | Alexander Usyskin <alexander.usyskin@intel.com> | 2020-11-16 14:56:11 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-12-07 10:29:57 +0100 |
| commit | 85261c1ff156eb60fc26c378748387f2e85c6878 (patch) | |
| tree | 6e487243c332131f5c2fbd31f7b99f7fce924f66 /drivers/misc/mei/bus-fixup.c | |
| parent | 6e559fe128927cc414406b63eb92ea16e673f43d (diff) | |
| download | lwn-85261c1ff156eb60fc26c378748387f2e85c6878.tar.gz lwn-85261c1ff156eb60fc26c378748387f2e85c6878.zip | |
mei: bus: add vtag support
Add API to support vtag in communication on mei bus.
Add mei_cldev_send_vtag, mei_cldev_recv_vtag and
mei_cldev_recv_nonblock_vtag functions to allow sending a message
with vtag set and to receive vtag of an incoming message.
Cc: Sean Z Huang <sean.z.huang@intel.com>
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/20201116125612.1660971-1-tomas.winkler@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc/mei/bus-fixup.c')
| -rw-r--r-- | drivers/misc/mei/bus-fixup.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/misc/mei/bus-fixup.c b/drivers/misc/mei/bus-fixup.c index 4e30fa98fe7d..6cc3145bb716 100644 --- a/drivers/misc/mei/bus-fixup.c +++ b/drivers/misc/mei/bus-fixup.c @@ -148,7 +148,7 @@ static int mei_osver(struct mei_cl_device *cldev) os_ver = (struct mei_os_ver *)fwcaps->data; os_ver->os_type = OSTYPE_LINUX; - return __mei_cl_send(cldev->cl, buf, size, mode); + return __mei_cl_send(cldev->cl, buf, size, 0, mode); } #define MKHI_FWVER_BUF_LEN (sizeof(struct mkhi_msg_hdr) + \ @@ -169,7 +169,7 @@ static int mei_fwver(struct mei_cl_device *cldev) req.hdr.group_id = MKHI_GEN_GROUP_ID; req.hdr.command = MKHI_GEN_GET_FW_VERSION_CMD; - ret = __mei_cl_send(cldev->cl, (u8 *)&req, sizeof(req), + 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"); @@ -177,7 +177,7 @@ static int mei_fwver(struct mei_cl_device *cldev) } ret = 0; - bytes_recv = __mei_cl_recv(cldev->cl, buf, sizeof(buf), 0, + bytes_recv = __mei_cl_recv(cldev->cl, buf, sizeof(buf), NULL, 0, MKHI_RCV_TIMEOUT); if (bytes_recv < 0 || (size_t)bytes_recv < MKHI_FWVER_LEN(1)) { /* @@ -324,13 +324,15 @@ static int mei_nfc_if_version(struct mei_cl *cl, }; struct mei_nfc_reply *reply = NULL; size_t if_version_length; + u8 vtag; int bytes_recv, ret; bus = cl->dev; WARN_ON(mutex_is_locked(&bus->device_lock)); - ret = __mei_cl_send(cl, (u8 *)&cmd, sizeof(cmd), MEI_CL_IO_TX_BLOCKING); + 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"); return ret; @@ -344,7 +346,8 @@ static int mei_nfc_if_version(struct mei_cl *cl, return -ENOMEM; ret = 0; - bytes_recv = __mei_cl_recv(cl, (u8 *)reply, if_version_length, 0, 0); + 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"); ret = -EIO; |