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[109.252.203.80]) by smtp.gmail.com with ESMTPSA id e20sm179795ljn.13.2021.08.17.03.04.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 17 Aug 2021 03:04:49 -0700 (PDT) From: Antony Pavlov To: barebox@lists.infradead.org Date: Tue, 17 Aug 2021 13:04:30 +0300 Message-Id: <20210817100435.114756-4-antonynpavlov@gmail.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210817100435.114756-1-antonynpavlov@gmail.com> References: <20210817100435.114756-1-antonynpavlov@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210817_030453_094300_2A988C44 X-CRM114-Status: GOOD ( 13.82 ) X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Ahmad Fatoum Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:e::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.ext.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-4.2 required=4.0 tests=AWL,BAYES_00, DKIM_ADSP_CUSTOM_MED,DKIM_SIGNED,DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: [PATCH 3/8] console: support set baudrate for fixed baudrate drivers X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.ext.pengutronix.de) There are console drivers (linux, virtio, litex) that don't support baud rate setting and has no setbrg (set baudrate) callback, so console_set_baudrate() returns -ENOSYS. At the other hand console_set_baudrate() SUCCESS return value is needed for the loadx/loady commands correct work. See discussion here: http://lists.infradead.org/pipermail/barebox/2021-May/036237.html Signed-off-by: Antony Pavlov --- common/console.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/common/console.c b/common/console.c index ad1a6aaab2..c902239e31 100644 --- a/common/console.c +++ b/common/console.c @@ -165,12 +165,12 @@ int console_set_baudrate(struct console_device *cdev, unsigned baudrate) int ret; unsigned char c; - if (!cdev->setbrg) - return -ENOSYS; - if (cdev->baudrate == baudrate) return 0; + if (!cdev->setbrg) + return -ENOSYS; + /* * If the device is already active, change its baudrate. * The baudrate of an inactive device will be set at activation time. @@ -336,11 +336,13 @@ int console_register(struct console_device *newcdev) ret = newcdev->setbrg(newcdev, baudrate); if (ret) return ret; - newcdev->baudrate_param = newcdev->baudrate = baudrate; + newcdev->baudrate_param = baudrate; dev_add_param_uint32(dev, "baudrate", console_baudrate_set, NULL, &newcdev->baudrate_param, "%u", newcdev); } + newcdev->baudrate = baudrate; + if (newcdev->putc && !newcdev->puts) newcdev->puts = __console_puts; -- 2.32.0 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox