Re: [PATCH] RTC: add rtc-ds1553 and rtc-ds1742 driver

From: Alessandro Zummo
Date: Thu Jun 22 2006 - 18:15:01 EST


On Fri, 23 Jun 2006 00:19:27 +0900 (JST)
Atsushi Nemoto <anemo@xxxxxxxxxxxxx> wrote:

> Add RTC drivers for the Dallas DS1553 and DS1742 RTC chip.
>
> Signed-off-by: Atsushi Nemoto <anemo@xxxxxxxxxxxxx>

please split this into two patches.


>
> +config RTC_DRV_DS1553
> + tristate "Dallas DS1553"
> + depends on RTC_CLASS
> + help
> + If you say yes here you get support for the
> + Dallas DS1553 timekeeping chip.
> +
> + This driver can also be built as a module. If so, the module
> + will be called rtc-ds1553.
> +
> config RTC_DRV_DS1672
> tristate "Dallas/Maxim DS1672"
> depends on RTC_CLASS && I2C
> @@ -96,6 +106,16 @@ config RTC_DRV_DS1672
> This driver can also be built as a module. If so, the module
> will be called rtc-ds1672.
>
> +config RTC_DRV_DS1742
> + tristate "Dallas DS1742"
> + depends on RTC_CLASS
> + help
> + If you say yes here you get support for the
> + Dallas DS1742 timekeeping chip.
> +
> + This driver can also be built as a module. If so, the module
> + will be called rtc-ds1742.
> +


on which systems will we likely find those twos? no extra
depends?


> +static int ds1553_rtc_ioctl(struct device *dev, unsigned int cmd,
> + unsigned long arg)
> +{
> + struct platform_device *pdev = to_platform_device(dev);
> + struct rtc_plat_data *pdata = platform_get_drvdata(pdev);
> +
> + if (pdata->irq < 0)
> + return -ENOIOCTLCMD;

inappropriate -Exxx . maybe -ENODEV?.



--

Best regards,

Alessandro Zummo,
Tower Technologies - Turin, Italy

http://www.towertech.it

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