From: Mark Brown <broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org> To: Sagar Dharia <sdharia-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org> Cc: gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org, bp-l3A5Bk7waGM@public.gmane.org, poeschel-Xtl8qvBWbHwb1SvskN2V4Q@public.gmane.org, treding-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org, gong.chen-VuQAYsv1563Yd54FQh9/CA@public.gmane.org, andreas.noever-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, alan-VuQAYsv1563Yd54FQh9/CA@public.gmane.org, mathieu.poirier-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org, daniel-/w4YWyX8dFk@public.gmane.org, oded.gabbay-5C7GfCeVMHo@public.gmane.org, jkosina-AlSwsSmVLrQ@public.gmane.org, sharon.dvir1-MQgwKvJRKlGYZoqfULhbRA@public.gmane.org, joe-6d6DIl74uiNBDgjK7y7TUQ@public.gmane.org, davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org, james.hogan-1AXoQHu6uovQT0dZR+AlfA@public.gmane.org, michael.opdenacker-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org, daniel.thompson-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org, robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, pawel.moll-5wv7dgnIgG8@public.gmane.org, mark.rutland-5wv7dgnIgG8@public.gmane.org, ijc+devicetree-KcIKpvwj1kUDXYZnReoRVg@public.gmane.org, galak-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, kheitke-hxvC4TZJLZFWk0Htik3J/w@public.gmane.org, mlocke-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org, agross-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org, linux-arm-msm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Subject: Re: [PATCH V4 1/6] SLIMbus: Device management on SLIMbus Date: Sat, 5 Mar 2016 14:01:09 +0900 [thread overview] Message-ID: <20160305050109.GC18327@sirena.org.uk> (raw) In-Reply-To: <1454784265-5194-2-git-send-email-sdharia-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org> [-- Attachment #1: Type: text/plain, Size: 1900 bytes --] On Sat, Feb 06, 2016 at 11:44:20AM -0700, Sagar Dharia wrote: > +static void schedule_slim_report(struct slim_controller *ctrl, > + struct slim_device *sb, bool report) > +{ > + struct sb_report_wd *sbw; > + > + dev_dbg(&ctrl->dev, "report:%d for slave:%s\n", report, sb->name); > + > + sbw = kmalloc(sizeof(*sbw), GFP_KERNEL); > + if (!sbw) > + return; > + > + INIT_WORK(&sbw->wd, slim_report); > + sbw->sb = sb; > + sbw->report = report; > + if (!queue_work(ctrl->wq, &sbw->wd)) { > + dev_err(&ctrl->dev, "failed to queue report:%d slave:%s\n", > + report, sb->name); > + kfree(sbw); > + } > +} I'm not 100% clear why we're scheduling this into a workqueue, it'd probably help to at least explain what's going on in the code for future reference. > +} > +/** There's an awful lot of places in this which look like they're missing blank lines. > +ret_assigned_laddr: > + mutex_unlock(&ctrl->m_ctrl); > + if (exists || ret) > + return ret; > + > + pr_info("setting slimbus l-addr:%x, ea:%x,%x,%x,%x\n", > + *laddr, e_addr->manf_id, e_addr->prod_code, > + e_addr->dev_index, e_addr->instance); Not a dev_ print? > + slim = slim_query_device(ctrl, e_addr); > + if (!slim) { > + ret = -ENOMEM; -ENOMEM? > +static void __exit slimbus_exit(void) > +{ > + bus_unregister(&slimbus_type); > +} > + > +static int __init slimbus_init(void) > +{ > + return bus_register(&slimbus_type); > +} > +postcore_initcall(slimbus_init); > +module_exit(slimbus_exit); Put the annotatations next to their functions. > +MODULE_DESCRIPTION("Slimbus module"); > +MODULE_ALIAS("platform:slimbus"); This isn't a platform driver, it shouldn't have this alias. > diff --git a/include/linux/slimbus.h b/include/linux/slimbus.h > new file mode 100644 > index 0000000..2a78f79 > --- /dev/null > +++ b/include/linux/slimbus.h Probably good to add a module_slimbus_device() macro like other buses have. [-- Attachment #2: signature.asc --] [-- Type: application/pgp-signature, Size: 473 bytes --]
WARNING: multiple messages have this Message-ID (diff)
From: Mark Brown <broonie@kernel.org> To: Sagar Dharia <sdharia@codeaurora.org> Cc: gregkh@linuxfoundation.org, bp@suse.de, poeschel@lemonage.de, treding@nvidia.com, gong.chen@linux.intel.com, andreas.noever@gmail.com, alan@linux.intel.com, mathieu.poirier@linaro.org, daniel@ffwll.ch, oded.gabbay@amd.com, jkosina@suse.cz, sharon.dvir1@mail.huji.ac.il, joe@perches.com, davem@davemloft.net, james.hogan@imgtec.com, michael.opdenacker@free-electrons.com, daniel.thompson@linaro.org, robh+dt@kernel.org, pawel.moll@arm.com, mark.rutland@arm.com, ijc+devicetree@hellion.org.uk, galak@codeaurora.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, kheitke@audience.com, mlocke@codeaurora.org, agross@codeaurora.org, linux-arm-msm@vger.kernel.org Subject: Re: [PATCH V4 1/6] SLIMbus: Device management on SLIMbus Date: Sat, 5 Mar 2016 14:01:09 +0900 [thread overview] Message-ID: <20160305050109.GC18327@sirena.org.uk> (raw) In-Reply-To: <1454784265-5194-2-git-send-email-sdharia@codeaurora.org> [-- Attachment #1: Type: text/plain, Size: 1900 bytes --] On Sat, Feb 06, 2016 at 11:44:20AM -0700, Sagar Dharia wrote: > +static void schedule_slim_report(struct slim_controller *ctrl, > + struct slim_device *sb, bool report) > +{ > + struct sb_report_wd *sbw; > + > + dev_dbg(&ctrl->dev, "report:%d for slave:%s\n", report, sb->name); > + > + sbw = kmalloc(sizeof(*sbw), GFP_KERNEL); > + if (!sbw) > + return; > + > + INIT_WORK(&sbw->wd, slim_report); > + sbw->sb = sb; > + sbw->report = report; > + if (!queue_work(ctrl->wq, &sbw->wd)) { > + dev_err(&ctrl->dev, "failed to queue report:%d slave:%s\n", > + report, sb->name); > + kfree(sbw); > + } > +} I'm not 100% clear why we're scheduling this into a workqueue, it'd probably help to at least explain what's going on in the code for future reference. > +} > +/** There's an awful lot of places in this which look like they're missing blank lines. > +ret_assigned_laddr: > + mutex_unlock(&ctrl->m_ctrl); > + if (exists || ret) > + return ret; > + > + pr_info("setting slimbus l-addr:%x, ea:%x,%x,%x,%x\n", > + *laddr, e_addr->manf_id, e_addr->prod_code, > + e_addr->dev_index, e_addr->instance); Not a dev_ print? > + slim = slim_query_device(ctrl, e_addr); > + if (!slim) { > + ret = -ENOMEM; -ENOMEM? > +static void __exit slimbus_exit(void) > +{ > + bus_unregister(&slimbus_type); > +} > + > +static int __init slimbus_init(void) > +{ > + return bus_register(&slimbus_type); > +} > +postcore_initcall(slimbus_init); > +module_exit(slimbus_exit); Put the annotatations next to their functions. > +MODULE_DESCRIPTION("Slimbus module"); > +MODULE_ALIAS("platform:slimbus"); This isn't a platform driver, it shouldn't have this alias. > diff --git a/include/linux/slimbus.h b/include/linux/slimbus.h > new file mode 100644 > index 0000000..2a78f79 > --- /dev/null > +++ b/include/linux/slimbus.h Probably good to add a module_slimbus_device() macro like other buses have. [-- Attachment #2: signature.asc --] [-- Type: application/pgp-signature, Size: 473 bytes --]
next prev parent reply other threads:[~2016-03-05 5:01 UTC|newest] Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top 2016-02-06 18:44 [PATCH V4 0/6] Introduce framework for SLIMbus device drivers Sagar Dharia 2016-02-06 18:44 ` Sagar Dharia [not found] ` <1454784265-5194-1-git-send-email-sdharia-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org> 2016-02-06 18:44 ` [PATCH V4 1/6] SLIMbus: Device management on SLIMbus Sagar Dharia 2016-02-06 18:44 ` Sagar Dharia [not found] ` <1454784265-5194-2-git-send-email-sdharia-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org> 2016-03-05 5:01 ` Mark Brown [this message] 2016-03-05 5:01 ` Mark Brown 2016-02-06 18:44 ` [PATCH V4 2/6] of/slimbus: OF helper for SLIMbus Sagar Dharia 2016-02-08 20:24 ` Rob Herring 2016-02-06 18:44 ` [PATCH V4 3/6] slimbus: Add messaging APIs to slimbus framework Sagar Dharia 2016-03-05 5:13 ` Mark Brown 2016-02-06 18:44 ` [PATCH V4 4/6] slim: qcom: Add Qualcomm Slimbus controller driver Sagar Dharia 2016-02-08 20:26 ` Rob Herring [not found] ` <1454784265-5194-5-git-send-email-sdharia-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org> 2016-03-05 5:23 ` Mark Brown 2016-03-05 5:23 ` Mark Brown 2016-04-15 16:17 ` Sagar Dharia 2016-04-18 9:19 ` Mark Brown 2016-04-18 22:42 ` Sagar Dharia 2016-02-06 18:44 ` [PATCH V4 5/6] slimbus: Add support for 'clock-pause' feature Sagar Dharia 2016-02-06 18:44 ` [PATCH V4 6/6] slim: qcom: Add runtime-pm support using clock-pause feature Sagar Dharia 2016-03-05 5:29 ` Mark Brown 2016-03-05 5:31 ` [PATCH V4 0/6] Introduce framework for SLIMbus device drivers Mark Brown
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