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serial: msm: 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/20221019091151.6692-4-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ilpo Järvinen 2022-10-19 12:11:10 +03:00 committed by Greg Kroah-Hartman
parent 20b01af852
commit 1fcff75f39
1 changed files with 3 additions and 8 deletions
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11
drivers/tty/serial/msm_serial.c
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@ -464,12 +464,9 @@ static void msm_complete_tx_dma(void *args)
}
count = dma->count - state.residue;
port->icount.tx += count;
uart_xmit_advance(port, count);
dma->count = 0;
xmit->tail += count;
xmit->tail &= UART_XMIT_SIZE - 1;
/* Restore "Tx FIFO below watermark" interrupt */
msm_port->imr |= MSM_UART_IMR_TXLEV;
msm_write(port, msm_port->imr, MSM_UART_IMR);
@ -866,13 +863,11 @@ static void msm_handle_tx_pio(struct uart_port *port, unsigned int tx_count)
else
num_chars = 1;
for (i = 0; i < num_chars; i++) {
for (i = 0; i < num_chars; i++)
buf[i] = xmit->buf[xmit->tail + i];
port->icount.tx++;
}
iowrite32_rep(tf, buf, 1);
xmit->tail = (xmit->tail + num_chars) & (UART_XMIT_SIZE - 1);
uart_xmit_advance(port, num_chars);
tf_pointer += num_chars;
}