Messages in this thread Patch in this message | | | From | Ilpo Järvinen <> | Subject | [PATCH 3/3] serial: pch_uart: CIRC_CNT_TO_END() is enough | Date | Tue, 23 Aug 2022 17:18:39 +0300 |
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Testing also CIRC_CNT() with CIRC_CNT_TO_END() is unnecessary because to latter alone covers all necessary cases.
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> --- drivers/tty/serial/pch_uart.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/tty/serial/pch_uart.c b/drivers/tty/serial/pch_uart.c index 8a9065e4a903..116a2e76093d 100644 --- a/drivers/tty/serial/pch_uart.c +++ b/drivers/tty/serial/pch_uart.c @@ -898,9 +898,7 @@ static unsigned int dma_handle_tx(struct eg20t_port *priv) fifo_size--; } - bytes = min((int)CIRC_CNT(xmit->head, xmit->tail, - UART_XMIT_SIZE), CIRC_CNT_TO_END(xmit->head, - xmit->tail, UART_XMIT_SIZE)); + bytes = CIRC_CNT_TO_END(xmit->head, xmit->tail, UART_XMIT_SIZE); if (!bytes) { dev_dbg(priv->port.dev, "%s 0 bytes return\n", __func__); pch_uart_hal_disable_interrupt(priv, PCH_UART_HAL_TX_INT); -- 2.30.2
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