linux-kernel - Re: [PATCH v2 2/7] platform/surface: aggregator: Allow enabling of events without notifiers

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Date:   Fri, 4 Jun 2021 22:22:52 +0200
From:   Maximilian Luz <luzmaximilian@...il.com>
To:     Hans de Goede <hdegoede@...hat.com>
Cc:     Mark Gross <mgross@...ux.intel.com>,
        platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/7] platform/surface: aggregator: Allow enabling of
 events without notifiers

On 6/4/21 10:13 PM, Hans de Goede wrote:
> Hi,
> 
> On 6/4/21 3:47 PM, Maximilian Luz wrote:

[...]

>> +static int ssam_nf_refcount_enable(struct ssam_controller *ctrl,
>> +				   struct ssam_nf_refcount_entry *entry, u8 flags)
>> +{
>> +	const struct ssam_event_registry reg = entry->key.reg;
>> +	const struct ssam_event_id id = entry->key.id;
>> +	struct ssam_nf *nf = &ctrl->cplt.event.notif;
>> +	int status;
>> +
>> +	lockdep_assert_held(&nf->lock);
>> +
>> +	ssam_dbg(ctrl, "enabling event (reg: %#04x, tc: %#04x, iid: %#04x, rc: %d)\n",
>> +		 reg.target_category, id.target_category, id.instance, entry->refcount);
>> +
>> +	if (entry->refcount == 1) {
>> +		status = ssam_ssh_event_enable(ctrl, reg, id, flags);
>> +		if (status)
>> +			return status;
>> +
>> +		entry->flags = flags;
>> +
>> +	} else if (entry->flags != flags) {
>> +		ssam_warn(ctrl,
>> +			  "inconsistent flags when enabling event: got %#04x, expected %#04x (reg: %#04x, tc: %#04x, iid: %#04x)\n",
>> +			  flags, entry->flags, reg.target_category, id.target_category,
>> +			  id.instance);
>> +	}
>> +
>> +	return 0;
>> +}
>> +
>> +/**
>> + * ssam_nf_refcount_enable() - Disable event for reference count entry if it is
> 
> s/ssam_nf_refcount_enable/ssam_nf_refcount_disable_free/
> 
> No need to resend, I'll fix this up when merging this series.

Oh right, thanks!

Regards,
Max