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| author | Sidong Yang <realwakka@gmail.com> | 2019-03-24 14:54:41 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-03-26 05:49:11 +0900 |
| commit | e5adddf5ae97811abe917b267a0d11daec5ccc16 (patch) | |
| tree | de81d980e7c9bbe8d5014e2fba973d1d2b839054 /drivers/staging/pi433 | |
| parent | 344201e0f866853e739cf1eb073ca4c8a5823b24 (diff) | |
| download | linux-e5adddf5ae97811abe917b267a0d11daec5ccc16.tar.bz2 | |
staging: pi433: remove unnecessary calling rf69_set_mode()
Remove unnecessary rf69_set_mode() function call when rx is waiting for
a telegram. There is waste to call rf69_set_mode() twice for becoming
standby mode.
Signed-off-by: Sidong Yang <realwakka@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/pi433')
| -rw-r--r-- | drivers/staging/pi433/pi433_if.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/drivers/staging/pi433/pi433_if.c b/drivers/staging/pi433/pi433_if.c index 53928af696a6..e822f87fc533 100644 --- a/drivers/staging/pi433/pi433_if.c +++ b/drivers/staging/pi433/pi433_if.c @@ -650,21 +650,19 @@ pi433_tx_thread(void *data) disable_irq(device->irq_num[DIO0]); device->tx_active = true; + /* clear fifo, set fifo threshold, set payload length */ + retval = rf69_set_mode(spi, standby); /* this clears the fifo */ + if (retval < 0) + return retval; + if (device->rx_active && !rx_interrupted) { /* * rx is currently waiting for a telegram; * we need to set the radio module to standby */ - retval = rf69_set_mode(device->spi, standby); - if (retval < 0) - return retval; rx_interrupted = true; } - /* clear fifo, set fifo threshold, set payload length */ - retval = rf69_set_mode(spi, standby); /* this clears the fifo */ - if (retval < 0) - return retval; retval = rf69_set_fifo_threshold(spi, FIFO_THRESHOLD); if (retval < 0) return retval; |