From: Rafał Miłecki Date: Tue, 14 Oct 2014 05:31:54 +0000 (+0000) Subject: bcm53xx: add temp bcma workaround that allows debugging X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=540a6a45e4eab98259a3fefcb27846e59d9aaded;p=openwrt%2Fstaging%2Fluka.git bcm53xx: add temp bcma workaround that allows debugging This way we will get logs if case of hang/crash in bcma or related code. Signed-off-by: Rafał Miłecki SVN-Revision: 42894 --- diff --git a/target/linux/bcm53xx/patches-3.14/901-bcma-register-SoC-later-as-a-module.patch b/target/linux/bcm53xx/patches-3.14/901-bcma-register-SoC-later-as-a-module.patch new file mode 100644 index 0000000000..0b6dd2934a --- /dev/null +++ b/target/linux/bcm53xx/patches-3.14/901-bcma-register-SoC-later-as-a-module.patch @@ -0,0 +1,47 @@ +From fee1501c494954f6e889563ca44aadfe4a83a643 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= +Date: Tue, 14 Oct 2014 00:05:42 +0200 +Subject: [PATCH] bcma: register SoC later (as a module) +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +This is temporary workaround required for easier debugging. + +Signed-off-by: Rafał Miłecki +--- + drivers/bcma/host_soc.c | 12 ++++++++++-- + 1 file changed, 10 insertions(+), 2 deletions(-) + +diff --git a/drivers/bcma/host_soc.c b/drivers/bcma/host_soc.c +index 335cbcf..c7e12f2 100644 +--- a/drivers/bcma/host_soc.c ++++ b/drivers/bcma/host_soc.c +@@ -265,14 +265,22 @@ static struct platform_driver bcma_host_soc_driver = { + .probe = bcma_host_soc_probe, + .remove = bcma_host_soc_remove, + }; ++/* FIXME: Using module_platform_driver is a temp hack to get bcma SoC ++ * initialzed *after* serial console. This way we get some logs in case of hang ++ * inside bcma or related driver. We need that for debugging problems and it's ++ * also useful for development. Otherwise any hang (in flash driver, PCIe ++ * driver, USB driver, etc.) would result in not getting logs at all. ++ */ ++module_platform_driver(bcma_host_soc_driver); + + int __init bcma_host_soc_register_driver(void) + { +- return platform_driver_register(&bcma_host_soc_driver); ++ /* return platform_driver_register(&bcma_host_soc_driver); */ ++ return 0; + } + + void __exit bcma_host_soc_unregister_driver(void) + { +- platform_driver_unregister(&bcma_host_soc_driver); ++ /* platform_driver_unregister(&bcma_host_soc_driver); */ + } + #endif /* CONFIG_OF */ +-- +1.8.4.5 +