From: Samuel Ortiz Date: Wed, 21 Aug 2013 13:12:06 +0000 (+0200) Subject: NFC: pn533: Start listen timer from start_poll X-Git-Tag: upstream/snapshot3+hdmi~3572^2~3^2^2~361^2~28 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=cec4b8edc9c139ef658e2a26aa38a2a4b768aec6;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git NFC: pn533: Start listen timer from start_poll If we start the polling loop from a listening cycle, we need to start the corresponding timer as well. This bug showed up after commit dfccd0f5 as it was impossible to start from a listening cycle before it. Signed-off-by: Samuel Ortiz --- diff --git a/drivers/nfc/pn533.c b/drivers/nfc/pn533.c index 8cffd73..dbe962c 100644 --- a/drivers/nfc/pn533.c +++ b/drivers/nfc/pn533.c @@ -2027,7 +2027,9 @@ static int pn533_start_poll(struct nfc_dev *nfc_dev, u32 im_protocols, u32 tm_protocols) { struct pn533 *dev = nfc_get_drvdata(nfc_dev); + struct pn533_poll_modulations *cur_mod; u8 rand_mod; + int rc; dev_dbg(&dev->interface->dev, "%s: im protocols 0x%x tm protocols 0x%x\n", @@ -2060,7 +2062,15 @@ static int pn533_start_poll(struct nfc_dev *nfc_dev, rand_mod %= dev->poll_mod_count; dev->poll_mod_curr = rand_mod; - return pn533_send_poll_frame(dev); + cur_mod = dev->poll_mod_active[dev->poll_mod_curr]; + + rc = pn533_send_poll_frame(dev); + + /* Start listen timer */ + if (!rc && cur_mod->len == 0 && dev->poll_mod_count > 1) + mod_timer(&dev->listen_timer, jiffies + PN533_LISTEN_TIME * HZ); + + return rc; } static void pn533_stop_poll(struct nfc_dev *nfc_dev)