{"id":818800,"url":"http://patchwork.ozlabs.org/api/patches/818800/?format=json","web_url":"http://patchwork.ozlabs.org/project/uboot/patch/20170926192142.42308-9-sjg@chromium.org/","project":{"id":18,"url":"http://patchwork.ozlabs.org/api/projects/18/?format=json","name":"U-Boot","link_name":"uboot","list_id":"u-boot.lists.denx.de","list_email":"u-boot@lists.denx.de","web_url":null,"scm_url":null,"webscm_url":null,"list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20170926192142.42308-9-sjg@chromium.org>","list_archive_url":null,"date":"2017-09-26T19:21:36","name":"[U-Boot,v2,08/14] log: Add a console driver","commit_ref":null,"pull_url":null,"state":"superseded","archived":false,"hash":"83aa8ca272e69eb0110d11cae04f6fdba6cc9858","submitter":{"id":6170,"url":"http://patchwork.ozlabs.org/api/people/6170/?format=json","name":"Simon Glass","email":"sjg@chromium.org"},"delegate":{"id":3184,"url":"http://patchwork.ozlabs.org/api/users/3184/?format=json","username":"sjg","first_name":"Simon","last_name":"Glass","email":"sjg@chromium.org"},"mbox":"http://patchwork.ozlabs.org/project/uboot/patch/20170926192142.42308-9-sjg@chromium.org/mbox/","series":[{"id":5217,"url":"http://patchwork.ozlabs.org/api/series/5217/?format=json","web_url":"http://patchwork.ozlabs.org/project/uboot/list/?series=5217","date":"2017-09-26T19:21:28","name":"log: Add a new logging feature","version":2,"mbox":"http://patchwork.ozlabs.org/series/5217/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/818800/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/818800/checks/","tags":{},"related":[],"headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@bilbo.ozlabs.org","Authentication-Results":["ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=lists.denx.de\n\t(client-ip=81.169.180.215; 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charset=\"utf-8\"","Content-Transfer-Encoding":"base64","Errors-To":"u-boot-bounces@lists.denx.de","Sender":"\"U-Boot\" "},"content":"It is useful to display log messages on the console. Add a simple driver\nto handle this.\n\nNote that this driver outputs to the console, which may be serial or\nvideo. It does not specifically select serial output.\n\nSigned-off-by: Simon Glass \nReviewed-by: Bin Meng \n---\n\nChanges in v2:\n- Update commit message to explain that this is not just for serial output\n\n common/Kconfig | 20 ++++++++++++++++++++\n common/Makefile | 1 +\n common/log_console.c | 23 +++++++++++++++++++++++\n 3 files changed, 44 insertions(+)\n create mode 100644 common/log_console.c","diff":"diff --git a/common/Kconfig b/common/Kconfig\nindex ca4a0f7f9b..7fed04a5fb 100644\n--- a/common/Kconfig\n+++ b/common/Kconfig\n@@ -436,6 +436,26 @@ config SPL_LOG_MAX_LEVEL\n \t 6 - detail\n \t 7 - debug\n \n+config LOG_CONSOLE\n+\tbool \"Allow log output to the console\"\n+\tdepends on LOG\n+\tdefault y\n+\thelp\n+\t Enables a log driver which writes log records to the console.\n+\t Generally the console is the serial port or LCD display. Only the\n+\t log message is shown - other details like level, category, file and\n+\t line number are omitted.\n+\n+config LOG_SPL_CONSOLE\n+\tbool \"Allow log output to the console in SPL\"\n+\tdepends on LOG_SPL\n+\tdefault y\n+\thelp\n+\t Enables a log driver which writes log records to the console.\n+\t Generally the console is the serial port or LCD display. Only the\n+\t log message is shown - other details like level, category, file and\n+\t line number are omitted.\n+\n endmenu\n \n config DTB_RESELECT\ndiff --git a/common/Makefile b/common/Makefile\nindex 9d52c9623c..6405a4c299 100644\n--- a/common/Makefile\n+++ b/common/Makefile\n@@ -129,5 +129,6 @@ obj-$(CONFIG_FSL_DDR_INTERACTIVE) += cli_simple.o cli_readline.o\n obj-$(CONFIG_CMD_DFU) += dfu.o\n obj-y += command.o\n obj-$(CONFIG_$(SPL_)LOG) += log.o\n+obj-$(CONFIG_$(SPL_)LOG_CONSOLE) += log_console.o\n obj-y += s_record.o\n obj-y += xyzModem.o\ndiff --git a/common/log_console.c b/common/log_console.c\nnew file mode 100644\nindex 0000000000..5af73bd8be\n--- /dev/null\n+++ b/common/log_console.c\n@@ -0,0 +1,23 @@\n+/*\n+ * Logging support\n+ *\n+ * Copyright (c) 2017 Google, Inc\n+ * Written by Simon Glass \n+ *\n+ * SPDX-License-Identifier:\tGPL-2.0+\n+ */\n+\n+#include \n+#include \n+\n+static int log_console_emit(struct log_device *ldev, struct log_rec *rec)\n+{\n+\tputs(rec->msg);\n+\n+\treturn 0;\n+}\n+\n+LOG_DRIVER(console) = {\n+\t.name\t= \"console\",\n+\t.emit\t= log_console_emit,\n+};\n","prefixes":["U-Boot","v2","08/14"]}