diff options
| author | Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> | 2022-08-19 14:00:02 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-08-30 15:15:20 +0300 |
| commit | 70d15f216e2919d821f75731eb57d4b7dc44f19b (patch) | |
| tree | a80a485d6415ec5f3e0ce11bba25f376fe56ae11 /drivers | |
| parent | a3911f6ea5542d56366a6495f2464a312d85d15b (diff) | |
| download | linux-70d15f216e2919d821f75731eb57d4b7dc44f19b.tar.xz | |
serial: 8250: Clear dma tx_err unconditionally
No need to check non-zeroness first and then clear. Just set to zero
unconditionally.
Acked-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/3b885e7f-1372-3aa9-febd-34566ba25e3d@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/tty/serial/8250/8250_dma.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/tty/serial/8250/8250_dma.c b/drivers/tty/serial/8250/8250_dma.c index a8dba4a0a8fb..d99020fd3427 100644 --- a/drivers/tty/serial/8250/8250_dma.c +++ b/drivers/tty/serial/8250/8250_dma.c @@ -107,8 +107,7 @@ int serial8250_tx_dma(struct uart_8250_port *p) dma_async_issue_pending(dma->txchan); serial8250_clear_THRI(p); - if (dma->tx_err) - dma->tx_err = 0; + dma->tx_err = 0; return 0; err: |