linux-kernel - Re: [PATCH V3 1/4] reset: Add API to count number of reset available with device

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Message-ID: <0e3ba304-6086-63dd-3ba9-f6a4e40dc33c@codeaurora.org>
Date:   Wed, 19 Apr 2017 17:19:04 +0530
From:   Vivek Gautam <vivek.gautam@...eaurora.org>
To:     Philipp Zabel <p.zabel@...gutronix.de>
Cc:     swarren@...dotorg.org, balbi@...nel.org,
        linux-kernel@...r.kernel.org, linux-tegra@...r.kernel.org,
        linux-usb@...r.kernel.org, thierry.reding@...il.com,
        gregkh@...uxfoundation.org, linux-arm-msm@...r.kernel.org
Subject: Re: [PATCH V3 1/4] reset: Add API to count number of reset available
 with device



On 04/19/2017 03:55 PM, Philipp Zabel wrote:
> On Tue, 2017-04-18 at 16:51 +0530, Vivek Gautam wrote:
>> Count number of reset phandles available with the device node
>> to know the resets a given device has.
>>
>> Cc: Philipp Zabel <p.zabel@...gutronix.de>
>> Signed-off-by: Vivek Gautam <vivek.gautam@...eaurora.org>
>> ---
>>   drivers/reset/core.c  | 23 +++++++++++++++++++++++
>>   include/linux/reset.h |  6 ++++++
>>   2 files changed, 29 insertions(+)
>>
>> diff --git a/drivers/reset/core.c b/drivers/reset/core.c
>> index cd739d2fa160..f0a06a7aca93 100644
>> --- a/drivers/reset/core.c
>> +++ b/drivers/reset/core.c
>> @@ -465,3 +465,26 @@ int device_reset(struct device *dev)
>>   	return ret;
>>   }
>>   EXPORT_SYMBOL_GPL(device_reset);
>> +
>> +/**
>> + * of_reset_control_get_count - Count number of resets available with a device
>> + *
>> + * @node: device node that contains 'resets'.
>> + *
>> + * Returns positive reset count on success, or error number on failure and
>> + * on count being zero.
>> + */
>> +int of_reset_control_get_count(struct device_node *node)
>> +{
>> +	int count;
>> +
>> +	if (!node)
>> +		return -EINVAL;
>> +
>> +	count = of_count_phandle_with_args(node, "resets", "#reset-cells");
>> +	if (count == 0)
>> +		count = -ENOENT;
>> +
>> +	return count;
>> +}
>> +EXPORT_SYMBOL_GPL(of_reset_control_get_count);
> This doesn't need to be public anymore. You can make it static and merge
> it into the second patch.

Thanks for reviewing the series.
Sure, make sense to make it static and squash in the second patch.

Best Regards
Vivek

>
> regards
> Philipp
>

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