diff options
| author | Samuel Ortiz <sameo@linux.intel.com> | 2012-03-05 01:03:50 +0100 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2012-03-06 15:16:23 -0500 |
| commit | 47807d3dbb62e93850cbcb797db1a9ee1806f986 (patch) | |
| tree | f8e1970083547290e35830e5bedb4a4ce7237f97 /drivers/nfc | |
| parent | 9dda50f4c98f84e32a5f6dc4d9dd7af6085add43 (diff) | |
| download | lwn-47807d3dbb62e93850cbcb797db1a9ee1806f986.tar.gz lwn-47807d3dbb62e93850cbcb797db1a9ee1806f986.zip | |
NFC: Remove the rf mode parameter from the DEP link up routine
When calling nfc_dep_link_up, we implicitely are in initiator mode.
Which means we also can provide the general bytes as a function argument,
as all drivers will eventually request them.
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/nfc')
| -rw-r--r-- | drivers/nfc/pn533.c | 20 |
1 files changed, 5 insertions, 15 deletions
diff --git a/drivers/nfc/pn533.c b/drivers/nfc/pn533.c index ef33f64143b5..cb6204f78300 100644 --- a/drivers/nfc/pn533.c +++ b/drivers/nfc/pn533.c @@ -1340,21 +1340,15 @@ static int pn533_in_dep_link_up_complete(struct pn533 *dev, void *arg, } static int pn533_dep_link_up(struct nfc_dev *nfc_dev, int target_idx, - u8 comm_mode, u8 rf_mode) + u8 comm_mode, u8* gb, size_t gb_len) { struct pn533 *dev = nfc_get_drvdata(nfc_dev); struct pn533_cmd_jump_dep *cmd; - u8 cmd_len, local_gt_len, *local_gt; + u8 cmd_len; int rc; nfc_dev_dbg(&dev->interface->dev, "%s", __func__); - if (rf_mode == NFC_RF_TARGET) { - nfc_dev_err(&dev->interface->dev, "Target mode not supported"); - return -EOPNOTSUPP; - } - - if (dev->poll_mod_count) { nfc_dev_err(&dev->interface->dev, "Cannot bring the DEP link up while polling"); @@ -1367,11 +1361,7 @@ static int pn533_dep_link_up(struct nfc_dev *nfc_dev, int target_idx, return -EBUSY; } - local_gt = nfc_get_local_general_bytes(dev->nfc_dev, &local_gt_len); - if (local_gt_len > NFC_MAX_GT_LEN) - return -EINVAL; - - cmd_len = sizeof(struct pn533_cmd_jump_dep) + local_gt_len; + cmd_len = sizeof(struct pn533_cmd_jump_dep) + gb_len; cmd = kzalloc(cmd_len, GFP_KERNEL); if (cmd == NULL) return -ENOMEM; @@ -1380,9 +1370,9 @@ static int pn533_dep_link_up(struct nfc_dev *nfc_dev, int target_idx, cmd->active = !comm_mode; cmd->baud = 0; - if (local_gt != NULL) { + if (gb != NULL && gb_len > 0) { cmd->next = 4; /* We have some Gi */ - memcpy(cmd->gt, local_gt, local_gt_len); + memcpy(cmd->gt, gb, gb_len); } else { cmd->next = 0; } |