[PATCH 0/3] add devicetree bindings for rtc-m48t86
Ryan Mallon
rmallon at gmail.com
Mon Apr 1 17:44:10 EDT 2013
On 01/04/13 08:56, Alexander Clouter wrote:
> Currently there are two users of rtc-m48t86 (mach-ep93xx/ts72xx.c and
> mach-orion5x/ts78xx-setup.c) and both just use {read,write}b against
> a memory mapped region. As I am devicetree'ing the TS-7800, this
> driver needs converting and thats what this patchset does.
>
> The patch does the following:
> * remove platform specific ops hooks, moving ioremap'ing and
> everything into the driver
> * utilises named resources to indicate index/data ranges
> * moves the RTC detection routine from ts78xx-setup.c into rtc-m48t86.c
> * and, of course, enable devicetree hooks and include documentation
>
> Awkward step, the first patch breaks both boards, the two following
> patches fix them. Happy to re-work this if folks give me a pointer
> on how to do this in an acceptable way.
Sorry, that's no good. It breaks things like git bisect.
>
> My vote is to break fast, fix fast, spend the time writing other code :)
The patch series will need to be reworked so that there is no
build/runtime breakage between any of the patches. I'll have a read
through and see if I can suggest something.
~Ryan
> Signed-off-by: Alexander Clouter <alex at digriz.org.uk>
>
> Alexander Clouter (3):
> rtc: rtc-m48t86: add devicetree bindings
> arm: orion5x: fixup ts78xx to be able to use the rtc-m48t86 again.
> arm: ep93xx: fixup ts72xx to be able to use the rtc-m48t86 again.
>
> .../devicetree/bindings/rtc/rtc-m48t86.txt | 17 ++
> arch/arm/mach-ep93xx/ts72xx.c | 29 +--
> arch/arm/mach-orion5x/ts78xx-setup.c | 79 ++----
> drivers/rtc/rtc-m48t86.c | 254 +++++++++++++++-----
> include/linux/m48t86.h | 16 --
> 5 files changed, 239 insertions(+), 156 deletions(-)
> create mode 100644 Documentation/devicetree/bindings/rtc/rtc-m48t86.txt
> delete mode 100644 include/linux/m48t86.h
>
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