[PATCH v3 0/2] nvmem: remove regmap dependency

Greg Kroah-Hartman gregkh at linuxfoundation.org
Wed Jun 1 10:55:42 PDT 2016


On Wed, Jun 01, 2016 at 10:27:49AM +0200, Stefan Wahren wrote:
> Hi Greg,
> 
> Am 02.05.2016 um 20:36 schrieb Srinivas Kandagatla:
> > Hi Greg, 
> >
> > This is v3 patchset for the leftover 2 patches for nvmem regmap
> > removal series [1]. These patches are based on char-misc tree.
> >
> > nvmem uses regmap_raw_read/write apis to read/write data from providers,
> > With recent patch 922a9f936e40 ("regmap: mmio: Convert to regmap_bus
> > and fix accessor usage") nvmem providers based on regmap-mmio stopped
> > working, as nvmem core was using raw accessors.
> > This issue can be fixed temporarly by moving to other regmap apis,
> > but we might hit same issue in future, and regmap looks like an
> > overdo for nvmem. Moving to interfaces based on read/write callbacks
> > from providers would be more robust.
> >
> > This patchset converts the nvmem core and nvmem provider drivers to
> > use the new callbacks. Tested this patchset on qfprom and at24 drivers.
> > Other driver are only compile tested, any testing on them would be great.
> >
> > Most of the patches have been applied to char-misc tree, these are the
> > two patches which had some outstanding comments on mxs nvmemprovider,
> > which are now fixed.
> >
> > Changes since v2:
> >  - Fixed the mxs size and dt data pointer spotted by Stefan and Fabio
> >
> > Changes since v1:
> >  - rebased mtk-efuse on top of char-misc
> >  - addressed concerns raised by Stefan Wahren.
> >
> > [1] https://www.mail-archive.com/linux-kernel@vger.kernel.org/msg1130026.html
> >
> > Thanks,
> > srini
> >
> > Srinivas Kandagatla (2):
> >   nvmem: mtk-efuse: remove nvmem regmap dependency
> >   nvmem: mxs-ocotp: remove nvmem regmap dependency
> >
> >  drivers/nvmem/Kconfig     |  1 -
> >  drivers/nvmem/mtk-efuse.c | 47 ++++++++++++++++++---------
> >  drivers/nvmem/mxs-ocotp.c | 83 +++++++++++++----------------------------------
> >  3 files changed, 54 insertions(+), 77 deletions(-)
> >
> 
> any objections about this series or is it still in queue?

still in my queue...



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