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linux-stm32@st-md-mailman.stormreply.com, lukas@wunner.de, Lino Sanfilippo Subject: [PATCH 2 3/9] serial: stm32: remove redundant code in rs485_config Date: Wed, 16 Feb 2022 01:17:57 +0100 Message-Id: <20220216001803.637-4-LinoSanfilippo@gmx.de> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220216001803.637-1-LinoSanfilippo@gmx.de> References: <20220216001803.637-1-LinoSanfilippo@gmx.de> MIME-Version: 1.0 Content-Transfer-Encoding: base64 X-Provags-ID: V03:K1:ku9v7EnP2t/0qx1Mhz0lYhcdypUi6rPN81qUlh3w+IMTDfVfTYJ qfgUGSK0OQK1tkFHimlY4MVxFZ717ykdkF+hFTcFmLeCgAPbBisXiyEdjPJu88V3L164Zg7 3LypsFm/mDYGL1DPVUM+aB9399sL+hw7OeFLyRjuELWN7s/VUZB/rEQsMi1mrH5zr0yOU/R 1RFl5kWCs/RafZsW3lfQA== X-UI-Out-Filterresults: notjunk:1;V03:K0:Hvhhztwvj6c=:d3BfR6Ur2uikuPq3XCa6Hc uj5wIAomeaMd5dZKOwUL0p4kXoFvYzOrCkorvi8qY20gQJ8D1V5GT0FvQSnJbjMlN5J+UwX2z 51aGxYnHiukt3+IZ7TC7xorPKvcVF7bWrMF+q2CGIbpangB3blN9xUVmlxOF+McAkQ+va8ZxW lebuoS4nEL6brGlQEFhUIfxPdkRT8JUgNQN0gokAmTQo7/P4DqMesHdmr/HeUJFmgV+YT0ZKg 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b=HFuvYcE+MNBWLyomC9FoyVS8iZUVIA35FCPft3kbzOo7mqNpUDxddkaVfQFrxzahc XcqQoyg8Aw7TdmwDv0P3gj5REk0YX1ZDscHiKZlJdyO0Ji1Z6TE427uYdE/1us5j8x U25SVBYNGbWsdWnabJtsuv5WWoyma4qcZqvFBIW4= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from Venus.fritz.box ([149.172.237.68]) by mail.gmx.net (mrgmx004 [212.227.17.190]) with ESMTPSA (Nemesis) id 1MLi8g-1nbesa23oe-00HcxP; Wed, 16 Feb 2022 01:18:40 +0100 From: Lino Sanfilippo To: gregkh@linuxfoundation.org, jirislaby@kernel.org, u.kleine-koenig@pengutronix.de Subject: [PATCH 2 3/9] serial: stm32: remove redundant code in rs485_config Date: Wed, 16 Feb 2022 01:17:57 +0100 Message-Id: <20220216001803.637-4-LinoSanfilippo@gmx.de> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220216001803.637-1-LinoSanfilippo@gmx.de> References: <20220216001803.637-1-LinoSanfilippo@gmx.de> MIME-Version: 1.0 X-Provags-ID: V03:K1:ku9v7EnP2t/0qx1Mhz0lYhcdypUi6rPN81qUlh3w+IMTDfVfTYJ qfgUGSK0OQK1tkFHimlY4MVxFZ717ykdkF+hFTcFmLeCgAPbBisXiyEdjPJu88V3L164Zg7 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linux-serial@vger.kernel.org, shawnguo@kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org In uart_set_rs485_config() the serial core already ensures that only one of both options RTS on send or RTS after send is set. It also assigns the passed serial_rs485 struct to the uart port. So remove the check and the assignment from the drivers rs485_config() function to avoid redundancy. Signed-off-by: Lino Sanfilippo --- drivers/tty/serial/stm32-usart.c | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-) diff --git a/drivers/tty/serial/stm32-usart.c b/drivers/tty/serial/stm32-usart.c index 1b3a611ac39e..6a014168102c 100644 --- a/drivers/tty/serial/stm32-usart.c +++ b/drivers/tty/serial/stm32-usart.c @@ -107,8 +107,6 @@ static int stm32_usart_config_rs485(struct uart_port *port, stm32_usart_clr_bits(port, ofs->cr1, BIT(cfg->uart_enable_bit)); - port->rs485 = *rs485conf; - rs485conf->flags |= SER_RS485_RX_DURING_TX; if (rs485conf->flags & SER_RS485_ENABLED) { @@ -128,13 +126,10 @@ static int stm32_usart_config_rs485(struct uart_port *port, rs485conf->delay_rts_after_send, baud); - if (rs485conf->flags & SER_RS485_RTS_ON_SEND) { + if (rs485conf->flags & SER_RS485_RTS_ON_SEND) cr3 &= ~USART_CR3_DEP; - rs485conf->flags &= ~SER_RS485_RTS_AFTER_SEND; - } else { + else cr3 |= USART_CR3_DEP; - rs485conf->flags |= SER_RS485_RTS_AFTER_SEND; - } writel_relaxed(cr3, port->membase + ofs->cr3); writel_relaxed(cr1, port->membase + ofs->cr1); -- 2.34.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel