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Tue, 06 Apr 2021 09:21:28 +0200 Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 845B810002A; Tue, 6 Apr 2021 09:21:26 +0200 (CEST) Received: from Webmail-eu.st.com (sfhdag2node3.st.com [10.75.127.6]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id 707C121E66A; Tue, 6 Apr 2021 09:21:26 +0200 (CEST) Received: from localhost (10.75.127.48) by SFHDAG2NODE3.st.com (10.75.127.6) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 6 Apr 2021 09:21:26 +0200 From: Erwan Le Ray To: Greg Kroah-Hartman , Jiri Slaby , Rob Herring , Maxime Coquelin , Alexandre Torgue CC: , , , , , Erwan Le Ray , Fabrice Gasnier , Valentin Caron Subject: [PATCH 0/2] stm32 usart add fifo threshold configuration Date: Tue, 6 Apr 2021 09:21:20 +0200 Message-ID: <20210406072122.27384-1-erwan.leray@foss.st.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 X-Originating-IP: [10.75.127.48] X-ClientProxiedBy: SFHDAG1NODE2.st.com (10.75.127.2) To SFHDAG2NODE3.st.com (10.75.127.6) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.369, 18.0.761 definitions=2021-04-06_01:2021-04-01, 2021-04-06 signatures=0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210406_082137_666139_4D74D2EE X-CRM114-Status: GOOD ( 12.88 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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 This series adds the support for two optional DT properties, to configure RX and TX FIFO thresholds: - st,rx-fifo-threshold-bytes - st,tx-fifo-threshold-bytes This replaces hard-coded 8 bytes threshold. No functional change expected if unspecified (keep 8 as default). Erwan Le Ray (1): dt-bindings: serial: stm32: add fifo threshold configuration Fabrice Gasnier (1): serial: stm32: add fifo threshold configuration .../bindings/serial/st,stm32-uart.yaml | 31 ++++++++++- drivers/tty/serial/stm32-usart.c | 53 ++++++++++++++++--- drivers/tty/serial/stm32-usart.h | 8 +-- 3 files changed, 79 insertions(+), 13 deletions(-) -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel