diff options
| author | Mark A. Greer <mgreer@animalcreek.com> | 2014-09-02 15:12:27 -0700 |
|---|---|---|
| committer | Samuel Ortiz <sameo@linux.intel.com> | 2014-09-07 23:13:43 +0200 |
| commit | 5974150dead6da1db415f04a232f79b922f412a0 (patch) | |
| tree | 5ce066ba8942b4e49d639b5a9f2d646a8570046b /drivers/nfc/trf7970a.c | |
| parent | aff0564aa7b2118a1d76dc0118dfdbf4beaf4b8c (diff) | |
| download | linux-5974150dead6da1db415f04a232f79b922f412a0.tar.bz2 | |
NFC: trf7970a: Remove unnecessary FIFO reset & RSSI read
It is no longer necessary to reset the FIFO and
read the 'RSSI Levels and Oscillator Status Register'
so remove that code.
Signed-off-by: Mark A. Greer <mgreer@animalcreek.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'drivers/nfc/trf7970a.c')
| -rw-r--r-- | drivers/nfc/trf7970a.c | 9 |
1 files changed, 0 insertions, 9 deletions
diff --git a/drivers/nfc/trf7970a.c b/drivers/nfc/trf7970a.c index e7f22a44dc52..c6216c1cc4b9 100644 --- a/drivers/nfc/trf7970a.c +++ b/drivers/nfc/trf7970a.c @@ -478,8 +478,6 @@ static int trf7970a_read_irqstatus(struct trf7970a *trf, u8 *status) static void trf7970a_send_upstream(struct trf7970a *trf) { - u8 rssi; - dev_kfree_skb_any(trf->tx_skb); trf->tx_skb = NULL; @@ -488,13 +486,6 @@ static void trf7970a_send_upstream(struct trf7970a *trf) 16, 1, trf->rx_skb->data, trf->rx_skb->len, false); - /* According to the manual it is "good form" to reset the fifo and - * read the RSSI levels & oscillator status register here. It doesn't - * explain why. - */ - trf7970a_cmd(trf, TRF7970A_CMD_FIFO_RESET); - trf7970a_read(trf, TRF7970A_RSSI_OSC_STATUS, &rssi); - trf->state = TRF7970A_ST_IDLE; if (trf->aborting) { |