diff mbox series

[34/44] serial: stm32: Use uart_xmit_advance()

Message ID	20221019091151.6692-35-ilpo.jarvinen@linux.intel.com
State	New
Headers	Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; From: =?utf-8?q?Ilpo_J=C3=A4rvinen?= <ilpo.jarvinen@linux.intel.com> To: linux-serial@vger.kernel.org, Greg KH <gregkh@linuxfoundation.org>, Jiri Slaby <jirislaby@kernel.org>, Maxime Coquelin <mcoquelin.stm32@gmail.com>, Alexandre Torgue <alexandre.torgue@foss.st.com>, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>, =?utf-8?q?Ilpo_J?= =?utf-8?q?=C3=A4rvinen?= <ilpo.jarvinen@linux.intel.com> Subject: [PATCH 34/44] serial: stm32: Use uart_xmit_advance() Date: Wed, 19 Oct 2022 12:11:41 +0300 Message-Id: <20221019091151.6692-35-ilpo.jarvinen@linux.intel.com> In-Reply-To: <20221019091151.6692-1-ilpo.jarvinen@linux.intel.com> References: <20221019091151.6692-1-ilpo.jarvinen@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk
Series	serial: Convert drivers to use uart_xmit_advance() \| [00/44] serial: Convert drivers to use uart_xmit_advance() [01/44] serial: dz: Use uart_xmit_advance() [02/44] serial: men_z135_uart: Use uart_xmit_advance() [03/44] serial: msm: Use uart_xmit_advance() [04/44] serial: pch_uart: Use uart_xmit_advance() [05/44] serial: sc16is7xx: Use uart_xmit_advance() [06/44] serial: 8250_bcm7271: Use uart_xmit_advance() [07/44] serial: 8250: Use uart_xmit_advance() [08/44] serial: pl011: Use uart_xmit_advance() [09/44] serial: ar933x: Use uart_xmit_advance() [10/44] serial: arc: Use uart_xmit_advance() [11/44] serial: atmel: Use uart_xmit_advance() [12/44] serial: clps711x: Use uart_xmit_advance() [13/44] serial: cpm_uart: Use uart_xmit_advance() [14/44] serial: digicolor: Use uart_xmit_advance() [15/44] serial: linflexuart: Use uart_xmit_advance() [16/44] serial: fsl_lpuart: Use uart_xmit_advance() [17/44] serial: imx: Use uart_xmit_advance() [18/44] serial: ip22zilog: Use uart_xmit_advance() [19/44] serial: liteuart: Use uart_xmit_advance() [20/44] serial: max3100: Use uart_xmit_advance() [21/44] serial: max310x: Use uart_xmit_advance() [22/44] serial: meson: Use uart_xmit_advance() [23/44] serial: milbeaut_usio: Use uart_xmit_advance() [24/44] serial: mvebu-uart: Use uart_xmit_advance() [25/44] serial: pic32: Use uart_xmit_advance() [26/44] serial: pmac_zilog: Use uart_xmit_advance() [27/44] serial: rda: Use uart_xmit_advance() [28/44] serial: samsung_tty: Use uart_xmit_advance() [29/44] serial: sb1250-duart: Use uart_xmit_advance() [30/44] serial: sccnxp: Use uart_xmit_advance() [31/44] serial: tegra: Use uart_xmit_advance() [32/44] serial: sh-sci: Use uart_xmit_advance() [33/44] serial: sprd: Use uart_xmit_advance() [34/44] serial: stm32: Use uart_xmit_advance() [35/44] serial: sunhv: Use uart_xmit_advance() [36/44] serial: sunplus-uart: Use uart_xmit_advance() [37/44] serial: sunsab: Use uart_xmit_advance() [38/44] serial: sunsu: Use uart_xmit_advance() [39/44] serial: sunzilog: Use uart_xmit_advance() [40/44] serial: timbuart: Use uart_xmit_advance() [41/44] serial: uartlite: Use uart_xmit_advance() [42/44] serial: ucc_uart: Use uart_xmit_advance() [43/44] serial: xuartps: Use uart_xmit_advance() [44/44] serial: zs: Use uart_xmit_advance()

Commit Message

Ilpo Järvinen Oct. 19, 2022, 9:11 a.m. UTC

  Take advantage of the new uart_xmit_advance() helper.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
---
 drivers/tty/serial/stm32-usart.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff mbox series

Patch

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: