diff options
Diffstat (limited to 'drivers/misc/mei/bus-fixup.c')
| -rw-r--r-- | drivers/misc/mei/bus-fixup.c | 41 |
1 files changed, 34 insertions, 7 deletions
diff --git a/drivers/misc/mei/bus-fixup.c b/drivers/misc/mei/bus-fixup.c index 020de5919c21..e9e6ea3ab73c 100644 --- a/drivers/misc/mei/bus-fixup.c +++ b/drivers/misc/mei/bus-fixup.c @@ -35,6 +35,9 @@ static const uuid_le mei_nfc_info_guid = MEI_UUID_NFC_INFO; #define MEI_UUID_NFC_HCI UUID_LE(0x0bb17a78, 0x2a8e, 0x4c50, \ 0x94, 0xd4, 0x50, 0x26, 0x67, 0x23, 0x77, 0x5c) +#define MEI_UUID_WD UUID_LE(0x05B79A6F, 0x4628, 0x4D7F, \ + 0x89, 0x9D, 0xA9, 0x15, 0x14, 0xCB, 0x32, 0xAB) + #define MEI_UUID_ANY NULL_UUID_LE /** @@ -48,8 +51,7 @@ static const uuid_le mei_nfc_info_guid = MEI_UUID_NFC_INFO; */ static void number_of_connections(struct mei_cl_device *cldev) { - dev_dbg(&cldev->dev, "running hook %s on %pUl\n", - __func__, mei_me_cl_uuid(cldev->me_cl)); + dev_dbg(&cldev->dev, "running hook %s\n", __func__); if (cldev->me_cl->props.max_number_of_connections > 1) cldev->do_match = 0; @@ -62,11 +64,36 @@ static void number_of_connections(struct mei_cl_device *cldev) */ static void blacklist(struct mei_cl_device *cldev) { - dev_dbg(&cldev->dev, "running hook %s on %pUl\n", - __func__, mei_me_cl_uuid(cldev->me_cl)); + dev_dbg(&cldev->dev, "running hook %s\n", __func__); + cldev->do_match = 0; } +/** + * mei_wd - wd client on the bus, change protocol version + * as the API has changed. + * + * @cldev: me clients device + */ +#if IS_ENABLED(CONFIG_INTEL_MEI_ME) +#include <linux/pci.h> +#include "hw-me-regs.h" +static void mei_wd(struct mei_cl_device *cldev) +{ + struct pci_dev *pdev = to_pci_dev(cldev->dev.parent); + + dev_dbg(&cldev->dev, "running hook %s\n", __func__); + if (pdev->device == MEI_DEV_ID_WPT_LP || + pdev->device == MEI_DEV_ID_SPT || + pdev->device == MEI_DEV_ID_SPT_H) + cldev->me_cl->props.protocol_version = 0x2; + + cldev->do_match = 1; +} +#else +static inline void mei_wd(struct mei_cl_device *cldev) {} +#endif /* CONFIG_INTEL_MEI_ME */ + struct mei_nfc_cmd { u8 command; u8 status; @@ -208,12 +235,11 @@ static void mei_nfc(struct mei_cl_device *cldev) bus = cldev->bus; - dev_dbg(bus->dev, "running hook %s: %pUl match=%d\n", - __func__, mei_me_cl_uuid(cldev->me_cl), cldev->do_match); + dev_dbg(&cldev->dev, "running hook %s\n", __func__); mutex_lock(&bus->device_lock); /* we need to connect to INFO GUID */ - cl = mei_cl_alloc_linked(bus, MEI_HOST_CLIENT_ID_ANY); + cl = mei_cl_alloc_linked(bus); if (IS_ERR(cl)) { ret = PTR_ERR(cl); cl = NULL; @@ -282,6 +308,7 @@ static struct mei_fixup { MEI_FIXUP(MEI_UUID_ANY, number_of_connections), MEI_FIXUP(MEI_UUID_NFC_INFO, blacklist), MEI_FIXUP(MEI_UUID_NFC_HCI, mei_nfc), + MEI_FIXUP(MEI_UUID_WD, mei_wd), }; /** |