On 03/11/2013 07:10 PM, Alexander Shiyan wrote:
> Hello.
>
>> Use dev_pm_ops instead of the deprecated legacy suspend/resume for the
>> max310x driver.
>>
>> Cc: Alexander Shiyan <shc_w...@mail.ru>
>> Signed-off-by: Lars-Peter Clausen <l...@metafoo.de>
>> ---
>> drivers/tty/serial/max310x.c | 24 ++++++++++++++++--------
>> 1 file changed, 16 insertions(+), 8 deletions(-)
>>
>> diff --git a/drivers/tty/serial/max310x.c b/drivers/tty/serial/max310x.c
>> index 0c2422c..8941e64 100644
>> --- a/drivers/tty/serial/max310x.c
>> +++ b/drivers/tty/serial/max310x.c
>> @@ -881,12 +881,14 @@ static struct uart_ops max310x_ops = {
>> .verify_port = max310x_verify_port,
>> };
>>
>> -static int max310x_suspend(struct spi_device *spi, pm_message_t state)
>> +#ifdef CONFIG_PM_SLEEP
>> +
>> +static int max310x_suspend(struct device *dev)
>> {
>> int ret;
>> - struct max310x_port *s = dev_get_drvdata(&spi->dev);
>> + struct max310x_port *s = dev_get_drvdata(dev);
>>
>> - dev_dbg(&spi->dev, "Suspend\n");
>> + dev_dbg(dev, "Suspend\n");
>>
>> ret = uart_suspend_port(&s->uart, &s->port);
>>
>> @@ -905,11 +907,11 @@ static int max310x_suspend(struct spi_device *spi,
>> pm_message_t state)
>> return ret;
>> }
>>
>> -static int max310x_resume(struct spi_device *spi)
>> +static int max310x_resume(struct device *dev)
>> {
>> - struct max310x_port *s = dev_get_drvdata(&spi->dev);
>> + struct max310x_port *s = dev_get_drvdata(dev);
>>
>> - dev_dbg(&spi->dev, "Resume\n");
>> + dev_dbg(dev, "Resume\n");
>>
>> if (s->pdata->suspend)
>> s->pdata->suspend(0);
>> @@ -928,6 +930,13 @@ static int max310x_resume(struct spi_device *spi)
>> return uart_resume_port(&s->uart, &s->port);
>> }
>>
>> +static SIMPLE_DEV_PM_OPS(max310x_pm_ops, max310x_suspend, max310x_resume);
>> +#define MAX310X_PM_OPS (&max310x_pm_ops)
>> +
>> +#else
>> +#define MAX310X_PM_OPS NULL
>> +#endif
>> +
>> #ifdef CONFIG_GPIOLIB
>> static int max310x_gpio_get(struct gpio_chip *chip, unsigned offset)
>> {
>> @@ -1242,11 +1251,10 @@ static struct spi_driver max310x_driver = {
>> .driver = {
>> .name = "max310x",
>> .owner = THIS_MODULE,
>> + .pm = MAX310X_PM_OPS,
>
> Check for CONFIG_PM_SLEEP not necessary at all.
> <linux/pm.h> will do all for us.
No it wont, you'll end up with a dev_pm_ops struct full of zeros and two
warnings from your compiler about unused functions.
>
>> },
>> .probe = max310x_probe,
>> .remove = max310x_remove,
>> - .suspend = max310x_suspend,
>> - .resume = max310x_resume,
>> .id_table = max310x_id_table,
>> };
>> module_spi_driver(max310x_driver);
>> --
>> 1.8.0
>
> ---
--
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