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Thu, 24 Nov 2022 02:02:40 -0800 (PST) Received: from alco.roam.corp.google.com ([2620:0:1059:10:2a85:84f4:13a1:b293]) by smtp.gmail.com with ESMTPSA id i29-20020a50d75d000000b0046a44b2b5e6sm335548edj.32.2022.11.24.02.02.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 24 Nov 2022 02:02:39 -0800 (PST) Subject: [PATCH v2 0/2] earlycon: Let users set the clock frequency MIME-Version: 1.0 X-b4-tracking: H4sIAClBf2MC/22NTQ7CIBCFr9LM2jEMFmtc9R7GxRSwECkkYJuYhruLrl29fC/vZ4dis7cFrt0O2W 6++BQbyEMH2nGcLXrTGKSQkkie8JvngDo88aLMNAhiw2qAVpi4WJwyR+1aJa4hNNP58kr5/TvYqMnt 79ZGKJAeQqme+zMbGrXLafHrckx5hnut9QPaKpgyrAAAAA== From: Ricardo Ribalda Date: Thu, 24 Nov 2022 11:02:17 +0100 Message-Id: <20221123-serial-clk-v2-0-9c03ce8940d8@chromium.org> To: Greg Kroah-Hartman , Jiri Slaby , Jonathan Corbet Cc: Ricardo Ribalda , linux-doc@vger.kernel.org, linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org X-Mailer: b4 0.11.0-dev-d93f8 X-Developer-Signature: v=1; a=openpgp-sha256; l=1154; 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fpr=9EC3BB66E2FC129A6F90B39556A0D81F9F782DA9 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1750371662522889240?= X-GMAIL-MSGID: =?utf-8?q?1750371662522889240?= Some platforms, namely AMD Picasso, use non standard uart clocks (48M), witch makes it impossible to use with earlycon. Let the user select its own frequency. To: Jonathan Corbet To: Greg Kroah-Hartman To: Jiri Slaby Cc: linux-doc@vger.kernel.org Cc: linux-kernel@vger.kernel.org Cc: linux-serial@vger.kernel.org Signed-off-by: Ricardo Ribalda --- Changes in v2: - Add a patch to fix handling of baudrate - Use kstrtouint instead of simple_strtoul - Link to v1: https://lore.kernel.org/r/20221123-serial-clk-v1-0-1f0554a46ad1@chromium.org --- Ricardo Ribalda (2): earlycon: Replace simple_strtoul with kstrtouint earlycon: Let users set the clock frequency Documentation/admin-guide/kernel-parameters.txt | 12 +++++++----- drivers/tty/serial/earlycon.c | 17 ++++++++++++++--- 2 files changed, 21 insertions(+), 8 deletions(-) --- base-commit: 4312098baf37ee17a8350725e6e0d0e8590252d4 change-id: 20221123-serial-clk-85db701ada57 Best regards,