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| author | Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> | 2022-10-19 12:11:41 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-11-03 03:35:42 +0100 |
| commit | 29d8c07b49578cc58f48fdea361c1f419515076c (patch) | |
| tree | 28037258abf94288da1e9284eb6b3b5134f0fcd2 /drivers/tty/serial/stm32-usart.c | |
| parent | b92df54ccf7355256e4eebe2f36dc2b83808e9ce (diff) | |
| download | linux-29d8c07b49578cc58f48fdea361c1f419515076c.tar.gz linux-29d8c07b49578cc58f48fdea361c1f419515076c.tar.bz2 linux-29d8c07b49578cc58f48fdea361c1f419515076c.zip | |
serial: stm32: Use uart_xmit_advance()
Take advantage of the new uart_xmit_advance() helper.
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20221019091151.6692-35-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial/stm32-usart.c')
| -rw-r--r-- | drivers/tty/serial/stm32-usart.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/tty/serial/stm32-usart.c b/drivers/tty/serial/stm32-usart.c index dfdbcf092fac..24def72b2565 100644 --- a/drivers/tty/serial/stm32-usart.c +++ b/drivers/tty/serial/stm32-usart.c @@ -596,8 +596,7 @@ static void stm32_usart_transmit_chars_pio(struct uart_port *port) if (!(readl_relaxed(port->membase + ofs->isr) & USART_SR_TXE)) break; writel_relaxed(xmit->buf[xmit->tail], port->membase + ofs->tdr); - xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1); - port->icount.tx++; + uart_xmit_advance(port, 1); } /* rely on TXE irq (mask or unmask) for sending remaining data */ @@ -673,8 +672,8 @@ static void stm32_usart_transmit_chars_dma(struct uart_port *port) stm32_usart_set_bits(port, ofs->cr3, USART_CR3_DMAT); - xmit->tail = (xmit->tail + count) & (UART_XMIT_SIZE - 1); - port->icount.tx += count; + uart_xmit_advance(port, count); + return; fallback_err: |