[PATCH v6 0/3] Introduce clocksource driver for Keystone platform

Daniel Lezcano daniel.lezcano at linaro.org
Tue Feb 11 07:50:20 EST 2014


On 02/10/2014 04:50 PM, Santosh Shilimkar wrote:
> Daniel,
>
> On Monday 10 February 2014 05:10 AM, Ivan Khoronzhuk wrote:
>> Add a broadcast timer64 based clockevent driver for keystone arch.
>> This driver uses timer in 64-bit general purpose mode as clock event
>> device.
>>
>> Documentation:
>>      http://www.ti.com/lit/ug/sprugv5a/sprugv5a.pdf
>>
>> Based on
>> git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone.git
>> keystone/master
>>
>> v5..v6:
>> 	added function to encapsulate __iowmb().
>>
>> v4..v5:
>> 	used __iowmb() insted of wmb()
>>
>> v3..v4:
>> 	rebased on latest of linux-keystone.git keystone/master
>>
>> v2..v3:
>> - clocksource: timer-keystone: introduce clocksource driver for
>> 	changed "u64" type to "unsigned long" for hz_period as more appropriate
>> 	hz_period rounded up by DIV_ROUND_UP(rate, HZ)
>> 	corrected comments
>>
>> v1..v2:
>> - clocksource: timer-keystone: introduce clocksource driver for
>> 	renamed timer on "timer-keystone"
>> 	in keystone_timer_interrupt() evet pointer is passed via "dev_id"
>> 	used __relaxed variants of writel/readl and added explicit barriers
>> 	added "keystone_timer_disable()" for using in keystone_set_mode()
>> 	keystone_timer_config() is not used for disabling the timer any more
>> 	in case of an unsupported mode the keystone_timer_config() returns -1.
>> 	used request_irq() instead of setup_irq()
>> 	assigned irq for event_device in event_dev->irq
>> 	calculated timer.hz_period for CLOCK_EVT_MODE_PERIODIC at init
>> 	deleted spare call of keystone_timer_config() in keystone_timer_init()
>>
>> Ivan Khoronzhuk (3):
>>    clocksource: timer-keystone: introduce clocksource driver for Keystone
>>    clocksource: keystone: add bindings for keystone timer
>>    arm: dts: keystone: add keystone timer entry
>>
> Can you queue the first two patches from the series ?
> I will queue the dts patch via my tree.

Sure.


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