{"id":814368,"url":"http://patchwork.ozlabs.org/api/patches/814368/?format=json","web_url":"http://patchwork.ozlabs.org/project/uboot/patch/20170915191127.28435-1-marek.vasut+renesas@gmail.com/","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":"<20170915191127.28435-1-marek.vasut+renesas@gmail.com>","list_archive_url":null,"date":"2017-09-15T19:11:27","name":"[U-Boot] serial: sh: Enable clock if available","commit_ref":"791c174d58f6fbea2b055b5851ab33d8f73b2c93","pull_url":null,"state":"accepted","archived":false,"hash":"290524c0b304ad0babfa479345e9d2c523463675","submitter":{"id":1124,"url":"http://patchwork.ozlabs.org/api/people/1124/?format=json","name":"Marek Vasut","email":"marek.vasut@gmail.com"},"delegate":{"id":1750,"url":"http://patchwork.ozlabs.org/api/users/1750/?format=json","username":"iwamatsu","first_name":"Nobuhiro","last_name":"Iwamatsu","email":"iwamatsu@nigauri.org"},"mbox":"http://patchwork.ozlabs.org/project/uboot/patch/20170915191127.28435-1-marek.vasut+renesas@gmail.com/mbox/","series":[{"id":3362,"url":"http://patchwork.ozlabs.org/api/series/3362/?format=json","web_url":"http://patchwork.ozlabs.org/project/uboot/list/?series=3362","date":"2017-09-15T19:11:27","name":"[U-Boot] serial: sh: Enable clock if available","version":1,"mbox":"http://patchwork.ozlabs.org/series/3362/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/814368/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/814368/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":"If the clock framework provides the driver with valid clock,\nenable them, otherwise the SCIF might not work if the clock\nare not enabled prior to the driver probe.\n\nSigned-off-by: Marek Vasut \nCc: Nobuhiro Iwamatsu \n---\n drivers/serial/serial_sh.c | 9 ++++++---\n 1 file changed, 6 insertions(+), 3 deletions(-)","diff":"diff --git a/drivers/serial/serial_sh.c b/drivers/serial/serial_sh.c\nindex 087785f9a2..d9db702803 100644\n--- a/drivers/serial/serial_sh.c\n+++ b/drivers/serial/serial_sh.c\n@@ -226,11 +226,14 @@ static int sh_serial_ofdata_to_platdata(struct udevice *dev)\n \tplat->base = addr;\n \n \tret = clk_get_by_name(dev, \"fck\", &sh_serial_clk);\n-\tif (!ret)\n-\t\tplat->clk = clk_get_rate(&sh_serial_clk);\n-\telse\n+\tif (!ret) {\n+\t\tret = clk_enable(&sh_serial_clk);\n+\t\tif (!ret)\n+\t\t\tplat->clk = clk_get_rate(&sh_serial_clk);\n+\t} else {\n \t\tplat->clk = fdtdec_get_int(gd->fdt_blob, dev_of_offset(dev),\n \t\t\t\t\t \"clock\", 1);\n+\t}\n \n \tplat->type = dev_get_driver_data(dev);\n \treturn 0;\n","prefixes":["U-Boot"]}