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| author | Ilan Elias <ilane@ti.com> | 2011-09-22 08:13:01 (GMT) |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2011-09-27 18:34:04 (GMT) |
| commit | de054799b7ffee8ce1e3971a8dcd7816ccf04977 (patch) | |
| tree | 897861c1135c73629c2bbb317583bef487c2bc74 /net | |
| parent | 2eb1dc101e6ed62fda64a426ffd864c03e550bc2 (diff) | |
| download | linux-fsl-qoriq-de054799b7ffee8ce1e3971a8dcd7816ccf04977.tar.xz | |
NFC: implicitly deactivate in nci_start_poll
When start_poll is called, and a target was implicitly activated,
we need to implicitly deactivate it.
On the other hand, when the target was activated by the user,
we should not deactivate it.
Signed-off-by: Ilan Elias <ilane@ti.com>
Acked-by: Lauro Ramos Venancio <lauro.venancio@openbossa.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net')
| -rw-r--r-- | net/nfc/nci/core.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/net/nfc/nci/core.c b/net/nfc/nci/core.c index c3dfd4e..9f17e8e 100644 --- a/net/nfc/nci/core.c +++ b/net/nfc/nci/core.c @@ -361,8 +361,13 @@ static int nci_start_poll(struct nfc_dev *nfc_dev, __u32 protocols) return -EBUSY; } + if (ndev->target_active_prot) { + nfc_err("there is an active target"); + return -EBUSY; + } + if (test_bit(NCI_POLL_ACTIVE, &ndev->flags)) { - nfc_dbg("target already active, first deactivate..."); + nfc_dbg("target is active, implicitly deactivate..."); rc = nci_request(ndev, nci_rf_deactivate_req, 0, msecs_to_jiffies(NCI_RF_DEACTIVATE_TIMEOUT)); |