Hello
This patchset adds a new set of functions which are open-coded in lot of
place.
Basicly the pattern is always the same, "read, modify a bit, write"
some driver and the powerpc arch already have thoses pattern them as functions. (like ahci_sunxi.c or dwmac-meson8b)
The first patch rename some powerpc functions for being consistent with
the new name convention.
The second patch adds the header with all setbits functions.
The third patch is a try to implement a coccinelle semantic patch to
find all place where xxxbits function could be used.
It should not be merged since it is un-finalized.
For the moment, the "add setbits.h header" is not working and need a future
coccinelle version.
The four last patch are example of some drivers conversion.
Thoses patchs give an example of the reduction of code won by using xxxbits32.
I would like to thanks Julia Lawall for her help on the coccinelle
patch.
Note that I dont know which maintainer will take the linux/setbits.h include patch.
Regards
Changes since v2:
- Fixed patch title
- Fixed style problems
- shorted macro arguments name
Changes since v1:
- renamed LE functions to _leXX
- updated coccinnelle patch with JLawall's comments
Corentin Labbe (7):
powerpc: rename setbits32/clrbits32 to setbits_be32/clrbits_be32
include: add setbits_leXX/clrbits_leXX/clrsetbits_leXX in
linux/setbits.h
coccinelle: add xxxsetbits_leXX converting spatch
ata: ahci_sunxi: use xxxsetbitsi_le32 functions
net: ethernet: stmmac: dwmac-sun8i: use xxxsetbits_le32
drm: meson: use xxxsetbits_le32
net: stmmac: dwmac-meson8b: use xxxsetbits_le32
arch/powerpc/include/asm/fsl_lbc.h | 2 +-
arch/powerpc/include/asm/io.h | 4 +-
arch/powerpc/platforms/44x/canyonlands.c | 4 +-
arch/powerpc/platforms/4xx/gpio.c | 28 +-
arch/powerpc/platforms/512x/pdm360ng.c | 6 +-
arch/powerpc/platforms/52xx/mpc52xx_common.c | 6 +-
arch/powerpc/platforms/52xx/mpc52xx_gpt.c | 12 +-
arch/powerpc/platforms/82xx/ep8248e.c | 2 +-
arch/powerpc/platforms/82xx/km82xx.c | 6 +-
arch/powerpc/platforms/82xx/mpc8272_ads.c | 10 +-
arch/powerpc/platforms/82xx/pq2.c | 2 +-
arch/powerpc/platforms/82xx/pq2ads-pci-pic.c | 4 +-
arch/powerpc/platforms/82xx/pq2fads.c | 10 +-
arch/powerpc/platforms/83xx/km83xx.c | 6 +-
arch/powerpc/platforms/83xx/mpc836x_mds.c | 2 +-
arch/powerpc/platforms/85xx/mpc85xx_mds.c | 2 +-
arch/powerpc/platforms/85xx/mpc85xx_pm_ops.c | 4 +-
arch/powerpc/platforms/85xx/mpc85xx_rdb.c | 2 +-
arch/powerpc/platforms/85xx/p1022_ds.c | 6 +-
arch/powerpc/platforms/85xx/p1022_rdk.c | 6 +-
arch/powerpc/platforms/85xx/t1042rdb_diu.c | 6 +-
arch/powerpc/platforms/85xx/twr_p102x.c | 2 +-
arch/powerpc/platforms/86xx/mpc8610_hpcd.c | 6 +-
arch/powerpc/platforms/8xx/adder875.c | 2 +-
arch/powerpc/platforms/8xx/m8xx_setup.c | 4 +-
arch/powerpc/platforms/8xx/mpc86xads_setup.c | 4 +-
arch/powerpc/platforms/8xx/mpc885ads_setup.c | 28 +-
.../platforms/embedded6xx/flipper-pic.c | 6 +-
arch/powerpc/platforms/embedded6xx/hlwd-pic.c | 8 +-
arch/powerpc/platforms/embedded6xx/wii.c | 12 +-
arch/powerpc/sysdev/cpm1.c | 26 +-
arch/powerpc/sysdev/cpm2.c | 16 +-
arch/powerpc/sysdev/cpm_common.c | 4 +-
arch/powerpc/sysdev/fsl_85xx_l2ctlr.c | 16 +-
arch/powerpc/sysdev/fsl_lbc.c | 2 +-
arch/powerpc/sysdev/fsl_pci.c | 12 +-
arch/powerpc/sysdev/fsl_pmc.c | 2 +-
arch/powerpc/sysdev/fsl_rcpm.c | 74 +--
arch/powerpc/sysdev/fsl_rio.c | 4 +-
arch/powerpc/sysdev/fsl_rmu.c | 9 +-
arch/powerpc/sysdev/mpic_timer.c | 12 +-
drivers/ata/ahci_sunxi.c | 62 +--
drivers/gpu/drm/meson/meson_crtc.c | 14 +-
drivers/gpu/drm/meson/meson_dw_hdmi.c | 33 +-
drivers/gpu/drm/meson/meson_plane.c | 13 +-
drivers/gpu/drm/meson/meson_registers.h | 3 -
drivers/gpu/drm/meson/meson_venc.c | 13 +-
drivers/gpu/drm/meson/meson_venc_cvbs.c | 4 +-
drivers/gpu/drm/meson/meson_viu.c | 65 +--
drivers/gpu/drm/meson/meson_vpp.c | 22 +-
.../ethernet/stmicro/stmmac/dwmac-meson8b.c | 56 +-
.../net/ethernet/stmicro/stmmac/dwmac-sun8i.c | 62 +--
include/linux/setbits.h | 84 +++
scripts/add_new_include_in_source.py | 61 +++
scripts/coccinelle/misc/setbits32.cocci | 487 ++++++++++++++++++
.../coccinelle/misc/setbits32_relaxed.cocci | 487 ++++++++++++++++++
scripts/coccinelle/misc/setbits64.cocci | 487 ++++++++++++++++++
scripts/coccinelle/misc/setbits_dev.cocci | 235 +++++++++
58 files changed, 2172 insertions(+), 395 deletions(-)
create mode 100644 include/linux/setbits.h
create mode 100755 scripts/add_new_include_in_source.py
create mode 100644 scripts/coccinelle/misc/setbits32.cocci
create mode 100644 scripts/coccinelle/misc/setbits32_relaxed.cocci
create mode 100644 scripts/coccinelle/misc/setbits64.cocci
create mode 100644 scripts/coccinelle/misc/setbits_dev.cocci
--
2.18.1
