Re: [PATCH v8] drivers: amba: properly handle devices with power domains

2016-04-26 Thread Marek Szyprowski
Hello, On 2016-04-25 11:19, Ulf Hansson wrote: On 15 April 2016 at 11:13, Marek Szyprowski wrote: To read pid/cid registers, the probed device need to be properly turned on. When it is inside a power domain, the bus code should ensure that the given power domain is

Re: [PATCH v8] drivers: amba: properly handle devices with power domains

2016-04-26 Thread Marek Szyprowski
Hello, On 2016-04-25 11:19, Ulf Hansson wrote: On 15 April 2016 at 11:13, Marek Szyprowski wrote: To read pid/cid registers, the probed device need to be properly turned on. When it is inside a power domain, the bus code should ensure that the given power domain is enabled before trying to

Re: [PATCH v8] drivers: amba: properly handle devices with power domains

2016-04-25 Thread Ulf Hansson
On 15 April 2016 at 11:13, Marek Szyprowski wrote: > To read pid/cid registers, the probed device need to be properly turned on. > When it is inside a power domain, the bus code should ensure that the > given power domain is enabled before trying to access device's

Re: [PATCH v8] drivers: amba: properly handle devices with power domains

2016-04-25 Thread Ulf Hansson
On 15 April 2016 at 11:13, Marek Szyprowski wrote: > To read pid/cid registers, the probed device need to be properly turned on. > When it is inside a power domain, the bus code should ensure that the > given power domain is enabled before trying to access device's registers. > However in some

[PATCH v8] drivers: amba: properly handle devices with power domains

2016-04-15 Thread Marek Szyprowski
To read pid/cid registers, the probed device need to be properly turned on. When it is inside a power domain, the bus code should ensure that the given power domain is enabled before trying to access device's registers. However in some cases power domain (or clocks) might not be yet available.

[PATCH v8] drivers: amba: properly handle devices with power domains

2016-04-15 Thread Marek Szyprowski
To read pid/cid registers, the probed device need to be properly turned on. When it is inside a power domain, the bus code should ensure that the given power domain is enabled before trying to access device's registers. However in some cases power domain (or clocks) might not be yet available.