I have queued this for 5.12.
On Tue, Jan 12, 2021 at 12:31:39PM -0500, Gabriel Somlo wrote:
> This series expands on commit 22447a99c97e ("drivers/soc/litex: add LiteX
> SoC Controller driver"), adding support for handling both 8- and 32-bit
> LiteX CSR (MMIO) subregisters, on both 32- and 64-bit CPUs.
>
> Notes v6:
> - split out s/LITEX_REG_SIZE/LITEX_SUBREG_ALIGN/g change
> into its own dedicated (cosmetic-only) patch (3/5).
> - fixed typos in "main patch" (now 4/5) changelog.
> - fixed typos in comments added via patch 5/5.
>
> Notes v5:
> - added patch (4/4) taking 'litex_[set|get]_reg()' private
> - additional optimization of [_]litex_set_reg() in 3/4
>
> Notes v4:
> - improved "eloquence" of some 3/3 commit blurb paragraphs
> - fixed instance of "disgusting" comment style :)
> - litex_[get|set]_reg() now using size_t for 'reg_size' argument
> - slightly tighter shift calculation in litex_set_reg()
>
> Notes v3:
> - split into smaller, more self-explanatory patches
> - more detailed commit blurb for "main payload" (3/3) patch
> - eliminate compiler warning on 32-bit architectures
>
> Notes v2:
> - fix typo (s/u32/u64/) in litex_read64().
>
> Notes v1:
> - LITEX_SUBREG_SIZE now provided by Kconfig.
> - it's not LITEX_REG_SIZE, but rather LITEX_SUBREG_ALIGN!
> - move litex_[get|set]_reg() to include/linux/litex.h and mark
> them as "static inline";
> - redo litex_[read|write][8|16|32|64]() using litex_[get|set]_reg()
> (compiler should produce code as efficient as hardcoded shifts,
> but also automatically matching LITEX_SUBREG_SIZE).
>
> Gabriel Somlo (5):
> drivers/soc/litex: move generic accessors to litex.h
> drivers/soc/litex: separate MMIO from subregister offset calculation
> drivers/soc/litex: rename LITEX_REG_SIZE to LITEX_SUBREG_ALIGN
> drivers/soc/litex: support 32-bit subregisters, 64-bit CPUs
> drivers/soc/litex: make 'litex_[set|get]_reg()' methods private
>
> drivers/soc/litex/Kconfig | 14 ++-
> drivers/soc/litex/litex_soc_ctrl.c | 76 +-------------
> include/linux/litex.h | 154 +++++++++++++++++++----------
> 3 files changed, 119 insertions(+), 125 deletions(-)
>
> --
> 2.26.2
>
