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authorIlan Elias <ilane@ti.com>2011-09-22 08:13:01 (GMT)
committerJohn W. Linville <linville@tuxdriver.com>2011-09-27 18:34:04 (GMT)
commitde054799b7ffee8ce1e3971a8dcd7816ccf04977 (patch)
tree897861c1135c73629c2bbb317583bef487c2bc74 /net
parent2eb1dc101e6ed62fda64a426ffd864c03e550bc2 (diff)
downloadlinux-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.c7
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));