lkml.org 
[lkml]   [2015]   [Mar]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH v0 01/11] stm class: Introduce an abstraction for System Trace Module devices
From
Date
On Sat, 2015-03-07 at 13:35 +0200, Alexander Shishkin wrote:
> Documentation/ABI/testing/configfs-stp-policy | 44 ++

git am whined about this file when I tried to apply this patch:
Applying: stm class: Introduce an abstraction for System Trace Module devices
[...]/.git/rebase-apply/patch:77: new blank line at EOF.

> Documentation/ABI/testing/sysfs-class-stm | 14 +
> Documentation/ABI/testing/sysfs-class-stm_source | 11 +
> Documentation/trace/stm.txt | 77 +++
> drivers/Kconfig | 2 +
> drivers/Makefile | 1 +
> drivers/stm/Kconfig | 8 +
> drivers/stm/Makefile | 3 +
> drivers/stm/core.c | 839 +++++++++++++++++++++++
> drivers/stm/policy.c | 470 +++++++++++++
> drivers/stm/stm.h | 77 +++
> include/linux/stm.h | 87 +++
> include/uapi/linux/stm.h | 47 ++

> --- /dev/null
> +++ b/drivers/stm/Kconfig
> @@ -0,0 +1,8 @@
> +config STM
> + tristate "System Trace Module devices"
> + help
> + A System Trace Module (STM) is a device exporting data in System
> + Trace Protocol (STP) format as defined by MIPI STP standards.
> + Examples of such devices are Intel Trace Hub and Coresight STM.
> +
> + Say Y here to enable System Trace Module device support.
> diff --git a/drivers/stm/Makefile b/drivers/stm/Makefile
> new file mode 100644
> index 0000000000..adec701649
> --- /dev/null
> +++ b/drivers/stm/Makefile
> @@ -0,0 +1,3 @@
> +obj-$(CONFIG_STM) += stm_core.o
> +
> +stm_core-y := core.o policy.o

I tried to compile this as a module:
$ make -C ../.. M=$PWD CONFIG_STM=m stm_core.ko
make: Entering directory `[...]'
LD [M] [...]/drivers/stm/stm_core.o
[...]/drivers/stm/policy.o: In function `stp_configfs_init':
policy.c:(.text+0x5f0): multiple definition of `init_module'
[...]/drivers/stm/core.o:core.c:(.init.text+0x0): first defined here
make[1]: *** [[...]/drivers/stm/stm_core.o] Error 1
make: *** [stm_core.ko] Error 2
make: Leaving directory `[...]'

I think that's because
postcore_initcall(stm_core_init);

in core.c becomes
module_init(stm_core_init);

if this driver is compiled as a module. And that will clash with
module_init(stp_configfs_init);

in policy.c. Am I missing something obvious or should STM not be a
tristate symbol?


Paul Bolle



\
 
 \ /
  Last update: 2015-03-07 23:41    [W:0.124 / U:0.128 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site