On 08/05/2014 13:02, Lee Jones wrote:
>> The PRCM (Power/Reset/Clock Management) block exposes several subdevices
>> in different subsystems (clk, reset ...)
>>
>> Add basic support for the PRCM unit with clk (AR100, AHB0, and APB0 clks)
>> and reset controller subdevices.
>>
>> Other subdevices might be added later (if needed).
>>
>> Signed-off-by: Boris BREZILLON <boris.brezillon@xxxxxxxxxxxxxxxxxx>
>> ---
>> drivers/mfd/Kconfig | 8 +++
>> drivers/mfd/Makefile | 1 +
>> drivers/mfd/sun6i-prcm.c | 151 +++++++++++++++++++++++++++++++++++++++++++++++
>> 3 files changed, 160 insertions(+)
>> create mode 100644 drivers/mfd/sun6i-prcm.c
> [...]
>
>> +#include <linux/module.h>
>> +#include <linux/kernel.h>
>> +#include <linux/errno.h>
>> +#include <linux/err.h>
>> +#include <linux/spinlock.h>
>> +#include <linux/io.h>
>> +#include <linux/slab.h>
>> +#include <linux/mutex.h>
>> +#include <linux/completion.h>
>> +#include <linux/irq.h>
>> +#include <linux/jiffies.h>
>> +#include <linux/bitops.h>
>> +#include <linux/fs.h>
>> +#include <linux/of.h>
>> +#include <linux/of_irq.h>
>> +#include <linux/platform_device.h>
>> +#include <linux/uaccess.h>
>> +#include <linux/mfd/core.h>
> I'm pretty sure you don't need half of these. Please only add the
> ones you make use of.
Sure (this is what happens when you copy/paste from another driver :-))
>
> [...]
>
>> + dev_info(&pdev->dev, "PRCM initialized\n");
> Please remove this from here.
Okay.
>
> [...]
>
>> +static struct platform_driver sun6i_prcm_driver = {
>> + .driver = {
>> + .name = "sun6i-prcm",
>> + .owner = THIS_MODULE,
>> + .of_match_table = sun6i_prcm_dt_ids,
>> + },
>> + .probe = sun6i_prcm_probe,
> You need a .remove() call-back.
This driver cannot be compiled as module (see the Kconfig definition)
and the devices are not hotpluggable, as a result a probed device will
never be removed.
Do you still want me to implement the remove function ?
>
>> +};
>> +module_platform_driver(sun6i_prcm_driver);
>> +
>> +MODULE_AUTHOR("Boris BREZILLON <boris.brezillon@xxxxxxxxxxxxxxxxxx>");
>> +MODULE_DESCRIPTION("Allwinner sun6i PRCM driver");
>> +MODULE_LICENSE("GPL v2");
--
Boris Brezillon, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
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