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bcm53xx: add temp bcma workaround that allows debugging

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This way we will get logs if case of hang/crash in bcma or related code.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>

SVN-Revision: 42894
This commit is contained in:
Rafał Miłecki 2014-10-14 05:31:54 +00:00
parent 4b45695c9a
commit 540a6a45e4
1 changed files with 47 additions and 0 deletions
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47
target/linux/bcm53xx/patches-3.14/901-bcma-register-SoC-later-as-a-module.patch Normal file
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@ -0,0 +1,47 @@
From fee1501c494954f6e889563ca44aadfe4a83a643 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
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 <zajec5@gmail.com>
---
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