linux-kernel - Re: [PATCH 0/4] drivers/bus: Freescale Management Complex bus driver patch series

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Message-ID: <20140915184423.2189d18282c9c2030e564f7c@freescale.com>
Date:	Mon, 15 Sep 2014 18:44:23 -0500
From:	Kim Phillips <kim.phillips@...escale.com>
To:	"J. German Rivera" <German.Rivera@...escale.com>
CC:	<gregkh@...uxfoundation.org>, <arnd@...db.de>,
	<linux-kernel@...r.kernel.org>, <stuart.yoder@...escale.com>,
	<Kim.Phillips@...escale.com>, <scottwood@...escale.com>,
	<agraf@...e.de>, <linuxppc-release@...ux.freescale.net>
Subject: Re: [PATCH 0/4] drivers/bus: Freescale Management Complex bus
 driver patch series

On Thu, 11 Sep 2014 12:34:20 -0500
"J. German Rivera" <German.Rivera@...escale.com> wrote:

> This patch series introduces Linux support for the Freescale
> Management Complex (fsl-mc) hardware.

here are the results of using some tools to check this patchseries:

make C=1 CF="-D__CHECK_ENDIAN__":

drivers/bus/fsl-mc/fsl_mc_sys.c:235:9: warning: context imbalance in 'mc_send_command' - different lock contexts for basic block
drivers/bus/fsl-mc/fsl_mc_dprc.c: In function 'dprc_add_new_devices':
drivers/bus/fsl-mc/fsl_mc_dprc.c:173:6: warning: format '%lu' expects argument of type 'long unsigned int', but argument 3 has type 'uint32_t' [-Wformat=]
      region_desc.size);
      ^

When built as a module (CONFIG_FSL_MC_BUS=m):

ERROR: ".dprc_get_obj" [drivers/bus/fsl-mc/fsl_mc_dprc.ko] undefined!
ERROR: ".dprc_get_obj_count" [drivers/bus/fsl-mc/fsl_mc_dprc.ko] undefined!
ERROR: ".dprc_close" [drivers/bus/fsl-mc/fsl_mc_dprc.ko] undefined!
ERROR: ".dprc_open" [drivers/bus/fsl-mc/fsl_mc_dprc.ko] undefined!
ERROR: ".dprc_get_obj_region" [drivers/bus/fsl-mc/fsl_mc_dprc.ko] undefined!
make[1]: *** [__modpost] Error 1
make: *** [modules] Error 2

checkpatch:

WARNING: added, moved or deleted file(s), does MAINTAINERS need updating?

WARNING: DT compatible string "fsl,qoriq-mc" appears un-documented -- check ./Documentation/devicetree/bindings/
#690: FILE: drivers/bus/fsl-mc/fsl_mc_bus.c:528:
+	{.compatible = "fsl,qoriq-mc",},

For the former warning, I'd suggest moving patch 4/4's contents up
in the series.

For the latter warning, googling for the property shows an upstream
effort, so it might be ok, but it'd be nice to provide a
cross-reference to the status of the latest post, to make it easier
for reviewer consumption.

Also, I think you'd get more recipient coverage by using
scripts/get_maintainer.pl.

Thanks,

Kim
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