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Message-ID: <f17812d70812170115g66198da8x41df9198a04158d9@mail.gmail.com>
Date: Wed, 17 Dec 2008 17:15:01 +0800
From: "Eric Miao" <eric.y.miao@gmail.com>
To: "Mike Rapoport" <mike@compulab.co.il>
Subject: Re: [RFC PATCH 1/2] Add Dialog DA9030 battery charger driver
Cc: LKML <linux-kernel@vger.kernel.org>, sameo@openedhand.com,
        "eric miao" <eric.miao@marvell.com>, cbou@mail.ru,
        "David Woodhouse" <dwmw2@infradead.org>,
        "Jonathan Cameron" <jic23@cam.ac.uk>
In-Reply-To: <4948C261.2020309@compulab.co.il>
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References: <4948B099.1080008@compulab.co.il>
	 <f17812d70812170049y5df3ecd9y57122387075b8302@mail.gmail.com>
	 <4948C261.2020309@compulab.co.il>
Sender: linux-kernel-owner@vger.kernel.org

On Wed, Dec 17, 2008 at 5:12 PM, Mike Rapoport <mike@compulab.co.il> wrote:
>
>
> Eric Miao wrote:
>> On Wed, Dec 17, 2008 at 3:56 PM, Mike Rapoport <mike@compulab.co.il> wrote:
>>> This patch amends DA903x MFD driver with definitions and methods needed for
>>> battery charger driver.
>>>
>>
>> Patch looks generally good, see some of my concerns below:
>>
>>> Signed-off-by: Mike Rapoport <mike@compulab.co.il>
>>>
>>>  drivers/mfd/da903x.c       |   16 +++++++++++++++-
>>>  include/linux/mfd/da903x.h |   44 ++++++++++++++++++++++++++++++++++++++++++--
>>>  2 files changed, 57 insertions(+), 3 deletions(-)
>>>
>>> diff --git a/drivers/mfd/da903x.c b/drivers/mfd/da903x.c
>>> index 0b5bd85..2e04b44 100644
>>> --- a/drivers/mfd/da903x.c
>>> +++ b/drivers/mfd/da903x.c
>>> @@ -151,12 +151,24 @@ int da903x_write(struct device *dev, int reg, uint8_t val)
>>>  }
>>>  EXPORT_SYMBOL_GPL(da903x_write);
>>>
>>> +int da903x_writes(struct device *dev, int reg, int len, uint8_t *val)
>>> +{
>>> +       return __da903x_writes(to_i2c_client(dev), reg, len, val);
>>> +}
>>> +EXPORT_SYMBOL_GPL(da903x_writes);
>>> +
>>>  int da903x_read(struct device *dev, int reg, uint8_t *val)
>>>  {
>>>        return __da903x_read(to_i2c_client(dev), reg, val);
>>>  }
>>>  EXPORT_SYMBOL_GPL(da903x_read);
>>>
>>> +int da903x_reads(struct device *dev, int reg, int len, uint8_t *val)
>>> +{
>>> +       return __da903x_reads(to_i2c_client(dev), reg, len, val);
>>> +}
>>> +EXPORT_SYMBOL_GPL(da903x_reads);
>>> +
>>>  int da903x_set_bits(struct device *dev, int reg, uint8_t bit_mask)
>>>  {
>>>        struct da903x_chip *chip = dev_get_drvdata(dev);
>>> @@ -254,7 +266,7 @@ static int da9030_unmask_events(struct da903x_chip *chip, unsigned int events)
>>>  {
>>>        uint8_t v[3];
>>>
>>> -       chip->events_mask &= ~events;
>>> +       chip->events_mask |= events;
>>>
>>
>> I wonder if this is true, it may also impact the da9030_mask_events(),
>> which is a pair.
>
> This is not true. Thanks for pointing out.
>
>>>        v[0] = (chip->events_mask & 0xff);
>>>        v[1] = (chip->events_mask >> 8) & 0xff;
>>> @@ -391,6 +403,8 @@ static void da903x_irq_work(struct work_struct *work)
>>>                if (chip->ops->read_events(chip, &events))
>>>                        break;
>>>
>>> +/*             pr_info("%s: events=%x events_mask=%x\n", */
>>> +/*                     __func__, events, chip->events_mask); */
>>
>> I'd prefer to remove this if it is annoying, sorry for this initial garbage
>> I sent.
>
> It's rather my own garbage, I'll remove it :)
>
>>>                events &= ~chip->events_mask;
>>>                if (events == 0)
>>>                        break;
>>
>
> Signed-off-by: Mike Rapoport <mike@compulab.co.il>

Looks OK.

Acked-by: Eric Miao <eric.miao@marvell.com>
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