hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

NFC: microread: Fix mei physical layer 

The MEI bus API changed according to the latest comments from the char-misc
maintainers, and this patch fixes the microread mei physical layer code
according to those changes:
We pass the MEI id back to the probe routine, and the mei_driver takes a
table of MEI ids instead of one static id.
Also, mei_bus_driver got renamed to mei_driver, mei_bus_client to
mei_device, and mei_bus_set/get_clientdata to mei_set/get_clientdata.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Samuel Ortiz 2013-02-11 10:30:04 +01:00
parent 8708aac79e
commit cd48d8ba14
1 changed files with 24 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

43
drivers/nfc/microread/mei.c
View File

@ -48,7 +48,7 @@ struct mei_nfc_hdr {
#define MEI_NFC_MAX_READ (MEI_NFC_HEADER_SIZE + MEI_NFC_MAX_HCI_PAYLOAD) #define MEI_NFC_MAX_READ (MEI_NFC_HEADER_SIZE + MEI_NFC_MAX_HCI_PAYLOAD)
struct microread_mei_phy { struct microread_mei_phy {
struct mei_bus_client *client; struct mei_device *mei_device;
struct nfc_hci_dev *hdev; struct nfc_hci_dev *hdev;
int powered; int powered;
@ -105,14 +105,14 @@ static int microread_mei_write(void *phy_id, struct sk_buff *skb)
MEI_DUMP_SKB_OUT("mei frame sent", skb); MEI_DUMP_SKB_OUT("mei frame sent", skb);
r = mei_bus_send(phy->client, skb->data, skb->len); r = mei_send(phy->device, skb->data, skb->len);
if (r > 0) if (r > 0)
r = 0; r = 0;
return r; return r;
} }
static void microread_event_cb(struct mei_bus_client *client, u32 events, static void microread_event_cb(struct mei_device *device, u32 events,
void *context) void *context)
{ {
struct microread_mei_phy *phy = context; struct microread_mei_phy *phy = context;
@ -120,7 +120,7 @@ static void microread_event_cb(struct mei_bus_client *client, u32 events,
if (phy->hard_fault != 0) if (phy->hard_fault != 0)
return; return;
if (events & BIT(MEI_BUS_EVENT_RX)) { if (events & BIT(MEI_EVENT_RX)) {
struct sk_buff *skb; struct sk_buff *skb;
int reply_size; int reply_size;
@ -128,7 +128,7 @@ static void microread_event_cb(struct mei_bus_client *client, u32 events,
if (!skb) if (!skb)
return; return;
reply_size = mei_bus_recv(client, skb->data, MEI_NFC_MAX_READ); reply_size = mei_recv(device, skb->data, MEI_NFC_MAX_READ);
if (reply_size < MEI_NFC_HEADER_SIZE) { if (reply_size < MEI_NFC_HEADER_SIZE) {
kfree(skb); kfree(skb);
return; return;
@ -149,7 +149,8 @@ static struct nfc_phy_ops mei_phy_ops = {
.disable = microread_mei_disable, .disable = microread_mei_disable,
}; };
static int microread_mei_probe(struct mei_bus_client *client) static int microread_mei_probe(struct mei_device *device,
const struct mei_id *id)
{ {
struct microread_mei_phy *phy; struct microread_mei_phy *phy;
int r; int r;
@ -162,10 +163,10 @@ static int microread_mei_probe(struct mei_bus_client *client)
return -ENOMEM; return -ENOMEM;
} }
phy->client = client; phy->device = device;
mei_bus_set_clientdata(client, phy); mei_set_clientdata(device, phy);
r = mei_bus_register_event_cb(client, microread_event_cb, phy); r = mei_register_event_cb(device, microread_event_cb, phy);
if (r) { if (r) {
pr_err(MICROREAD_DRIVER_NAME ": event cb registration failed\n"); pr_err(MICROREAD_DRIVER_NAME ": event cb registration failed\n");
goto err_out; goto err_out;
@ -185,9 +186,9 @@ err_out:
return r; return r;
} }
static int microread_mei_remove(struct mei_bus_client *client) static int microread_mei_remove(struct mei_device *device)
{ {
struct microread_mei_phy *phy = mei_bus_get_clientdata(client); struct microread_mei_phy *phy = mei_get_clientdata(device);
pr_info("Removing microread\n"); pr_info("Removing microread\n");
@ -201,14 +202,18 @@ static int microread_mei_remove(struct mei_bus_client *client)
return 0; return 0;
} }
static struct mei_bus_driver microread_driver = { static struct mei_id microread_mei_tbl[] = {
.driver = { { MICROREAD_DRIVER_NAME, MICROREAD_UUID },
.name = MICROREAD_DRIVER_NAME,
}, /* required last entry */
.id = { { }
.name = MICROREAD_DRIVER_NAME, };
.uuid = MICROREAD_UUID,
}, MODULE_DEVICE_TABLE(mei, microread_mei_tbl);
static struct mei_driver microread_driver = {
.id_table = microread_mei_tbl,
.name = MICROREAD_DRIVER_NAME,
.probe = microread_mei_probe, .probe = microread_mei_probe,
.remove = microread_mei_remove, .remove = microread_mei_remove,