Am Freitag, 21. Juni 2013, 00:12:45 schrieb Tomasz Figa: > Since we now have a proper Samsung PWM clocksource driver in place, > we can proceed with further cleanup of PWM timers support on Samsung SoCs. > > This series attempts to achieve this goal by: > 1) moving remaining Samsung platforms to the new clocksource driver > 2) removing old clocksource driver > 3) adding new multiplatform- and DT-aware PWM driver > 4) moving all Samsung platforms to use the new PWM driver > 5) removing old PWM driver > 6) removing all PWM-related code that is not used anymore > > Cleaning up the PWM driver is a bit tricky, because the design of current > driver makes it completely unsuitable for DT and multiplatform and would > require a heavy rework to make it usable, breaking any existing Samsung PWM > users by the way. To avoid any breakage I decided to keep the old driver, > add new one, move all platforms to it and then remove the old one. > > See particular patches for more detailed descriptions. > > On S3C6410-based Tiny6410 (Mini6410-compatible), after enabling pwm-beeper > and Exynos4210-based Origen board (with PWM0 attached to a scope): > > Tested-by: Tomasz Figa <tomasz.figa@xxxxxxxxx> On a s3c2416 based machine (with the additional two v3 patches) Tested-by: Heiko Stuebner <heiko@xxxxxxxxx> and again thanks for working on this :-) > Changes since v1: > - made sure that suspend/resume is handled correctly in both > clocksource and PWM drivers, > - fixed incorrect definition of AUTORELOAD bit for channel 4, > - fixed order of registering PWM device and calling samsung_bl_set(), > which assumes that PWM device has been already registered, > - corrected commit messages of several patches, > - addressed all the valid comments from reviewers, including cleanup > of most code originally copied from previous PWM driver, > - rebased on top of current Kgene's for-next, > - tested on Exynos4210, verifying correct PWM output with a scope. > > Needs testing on other platforms as I could only compile test for them. > Tomasz Figa (18): > ARM: SAMSUNG: Unify base address definitions of timer block > ARM: SAMSUNG: Add new PWM platform device > ARM: SAMSUNG: Set PWM platform data > clocksource: samsung_pwm_timer: Cache clocksource register address > clocksource: samsung_pwm_timer: Do not use clocksource_mmio > clocksource: samsung_pwm_timer: Handle suspend/resume correctly > ARM: SAMSUNG: Move all platforms to new clocksource driver > ARM: SAMSUNG: Remove old samsung-time driver > ARM: SAMSUNG: Remove unused PWM timer IRQ chip code > pwm: samsung: Rename to pwm-samsung-legacy > pwm: Add new pwm-samsung driver > ARM: SAMSUNG: Rework private data handling in dev-backlight > ARM: SAMSUNG: Modify board files to use new PWM platform device > pwm: Remove superseded pwm-samsung-legacy driver > ARM: SAMSUNG: Remove old PWM timer platform devices > ARM: SAMSUNG: Remove pwm-clock infrastructure > ARM: SAMSUNG: Remove remaining uses of plat/regs-timer.h header > ARM: SAMSUNG: Remove plat/regs-timer.h header > > arch/arm/Kconfig | 1 - > arch/arm/mach-s3c24xx/Kconfig | 12 +- > arch/arm/mach-s3c24xx/clock-s3c2410.c | 1 - > arch/arm/mach-s3c24xx/clock-s3c2412.c | 1 - > arch/arm/mach-s3c24xx/clock-s3c2416.c | 2 - > arch/arm/mach-s3c24xx/clock-s3c2443.c | 2 - > arch/arm/mach-s3c24xx/common.c | 27 + > arch/arm/mach-s3c24xx/include/mach/map.h | 2 + > arch/arm/mach-s3c24xx/mach-h1940.c | 4 +- > arch/arm/mach-s3c24xx/mach-rx1950.c | 5 +- > arch/arm/mach-s3c64xx/Kconfig | 4 +- > arch/arm/mach-s3c64xx/clock.c | 2 - > arch/arm/mach-s3c64xx/common.c | 32 +- > arch/arm/mach-s3c64xx/include/mach/irqs.h | 8 - > arch/arm/mach-s3c64xx/include/mach/map.h | 1 + > arch/arm/mach-s3c64xx/irq-pm.c | 2 - > arch/arm/mach-s3c64xx/mach-crag6410.c | 4 +- > arch/arm/mach-s3c64xx/mach-hmt.c | 4 +- > arch/arm/mach-s3c64xx/mach-smartq.c | 4 +- > arch/arm/mach-s3c64xx/mach-smdk6410.c | 5 +- > arch/arm/mach-s5p64x0/Kconfig | 4 +- > arch/arm/mach-s5p64x0/clock-s5p6440.c | 2 - > arch/arm/mach-s5p64x0/clock-s5p6450.c | 2 - > arch/arm/mach-s5p64x0/common.c | 27 + > arch/arm/mach-s5p64x0/include/mach/irqs.h | 2 - > arch/arm/mach-s5p64x0/include/mach/map.h | 1 + > arch/arm/mach-s5p64x0/mach-smdk6440.c | 5 +- > arch/arm/mach-s5p64x0/mach-smdk6450.c | 5 +- > arch/arm/mach-s5p64x0/pm.c | 3 - > arch/arm/mach-s5pc100/Kconfig | 2 +- > arch/arm/mach-s5pc100/clock.c | 2 - > arch/arm/mach-s5pc100/common.c | 28 + > arch/arm/mach-s5pc100/include/mach/irqs.h | 2 - > arch/arm/mach-s5pc100/include/mach/map.h | 1 + > arch/arm/mach-s5pc100/mach-smdkc100.c | 5 +- > arch/arm/mach-s5pv210/Kconfig | 2 +- > arch/arm/mach-s5pv210/clock.c | 1 - > arch/arm/mach-s5pv210/common.c | 28 + > arch/arm/mach-s5pv210/include/mach/irqs.h | 2 - > arch/arm/mach-s5pv210/include/mach/map.h | 1 + > arch/arm/mach-s5pv210/mach-smdkv210.c | 5 +- > arch/arm/mach-s5pv210/pm.c | 10 - > arch/arm/plat-samsung/Kconfig | 14 - > arch/arm/plat-samsung/Makefile | 3 - > arch/arm/plat-samsung/dev-backlight.c | 61 +- > arch/arm/plat-samsung/devs.c | 42 +- > arch/arm/plat-samsung/include/plat/clock.h | 4 - > arch/arm/plat-samsung/include/plat/devs.h | 1 + > arch/arm/plat-samsung/include/plat/irq-vic-timer.h | 13 - > arch/arm/plat-samsung/include/plat/irqs.h | 9 - > arch/arm/plat-samsung/include/plat/pwm-clock.h | 81 --- > arch/arm/plat-samsung/include/plat/pwm-core.h | 24 + > arch/arm/plat-samsung/include/plat/regs-timer.h | 124 ---- > arch/arm/plat-samsung/include/plat/samsung-time.h | 23 - > arch/arm/plat-samsung/irq-vic-timer.c | 98 --- > arch/arm/plat-samsung/pwm-clock.c | 474 -------------- > arch/arm/plat-samsung/s5p-irq.c | 4 - > arch/arm/plat-samsung/samsung-time.c | 394 ------------ > drivers/clocksource/samsung_pwm_timer.c | 84 +-- > drivers/pwm/pwm-samsung.c | 694 > ++++++++++++++------- 60 files changed, 766 insertions(+), 1644 > deletions(-) > delete mode 100644 arch/arm/plat-samsung/include/plat/irq-vic-timer.h > delete mode 100644 arch/arm/plat-samsung/include/plat/pwm-clock.h > create mode 100644 arch/arm/plat-samsung/include/plat/pwm-core.h > delete mode 100644 arch/arm/plat-samsung/include/plat/regs-timer.h > delete mode 100644 arch/arm/plat-samsung/irq-vic-timer.c > delete mode 100644 arch/arm/plat-samsung/pwm-clock.c > delete mode 100644 arch/arm/plat-samsung/samsung-time.c -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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