diff options
Diffstat (limited to 'drivers/nfc')
| -rw-r--r-- | drivers/nfc/trf7970a.c | 19 |
1 files changed, 6 insertions, 13 deletions
diff --git a/drivers/nfc/trf7970a.c b/drivers/nfc/trf7970a.c index 26e744934068..8744a556fbd1 100644 --- a/drivers/nfc/trf7970a.c +++ b/drivers/nfc/trf7970a.c @@ -804,21 +804,18 @@ static void trf7970a_switch_rf_off(struct trf7970a *trf) pm_runtime_put_autosuspend(trf->dev); } -static int trf7970a_switch_rf_on(struct trf7970a *trf) +static void trf7970a_switch_rf_on(struct trf7970a *trf) { dev_dbg(trf->dev, "Switching rf on\n"); pm_runtime_get_sync(trf->dev); trf->state = TRF7970A_ST_IDLE; - - return 0; } static int trf7970a_switch_rf(struct nfc_digital_dev *ddev, bool on) { struct trf7970a *trf = nfc_digital_get_drvdata(ddev); - int ret = 0; dev_dbg(trf->dev, "Switching RF - state: %d, on: %d\n", trf->state, on); @@ -827,7 +824,7 @@ static int trf7970a_switch_rf(struct nfc_digital_dev *ddev, bool on) if (on) { switch (trf->state) { case TRF7970A_ST_OFF: - ret = trf7970a_switch_rf_on(trf); + trf7970a_switch_rf_on(trf); break; case TRF7970A_ST_IDLE: case TRF7970A_ST_IDLE_RX_BLOCKED: @@ -852,7 +849,7 @@ static int trf7970a_switch_rf(struct nfc_digital_dev *ddev, bool on) } mutex_unlock(&trf->lock); - return ret; + return 0; } static int trf7970a_config_rf_tech(struct trf7970a *trf, int tech) @@ -943,17 +940,14 @@ static int trf7970a_in_configure_hw(struct nfc_digital_dev *ddev, int type, int param) { struct trf7970a *trf = nfc_digital_get_drvdata(ddev); - int ret = 0; + int ret; dev_dbg(trf->dev, "Configure hw - type: %d, param: %d\n", type, param); mutex_lock(&trf->lock); - if (trf->state == TRF7970A_ST_OFF) { - ret = trf7970a_switch_rf_on(trf); - if (ret) - goto err_out; - } + if (trf->state == TRF7970A_ST_OFF) + trf7970a_switch_rf_on(trf); switch (type) { case NFC_DIGITAL_CONFIG_RF_TECH: @@ -967,7 +961,6 @@ static int trf7970a_in_configure_hw(struct nfc_digital_dev *ddev, int type, ret = -EINVAL; } -err_out: mutex_unlock(&trf->lock); return ret; } |