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Message-ID: <744357E9AAD1214791ACBA4B0B90926301132206@SHSMSX101.ccr.corp.intel.com> Date: Fri, 28 Jun 2013 05:30:32 +0000 From: "Zhang, Rui" <rui.zhang@...el.com> To: amit daniel kachhap <amit.daniel@...sung.com> CC: Eduardo Valentin <eduardo.valentin@...com>, Kukjin Kim <kgene.kim@...sung.com>, "linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>, "linux-samsung-soc@...r.kernel.org" <linux-samsung-soc@...r.kernel.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org> Subject: RE: [PATCH V7 00/30] thermal: exynos: Re-structure driver and add support for exynos5440 > -----Original Message----- > From: amit.kachhap@...il.com [mailto:amit.kachhap@...il.com] On Behalf > Of amit daniel kachhap > Sent: Friday, June 28, 2013 1:20 PM > To: Zhang, Rui > Cc: Eduardo Valentin; Kukjin Kim; linux-pm@...r.kernel.org; linux- > samsung-soc@...r.kernel.org; linux-kernel@...r.kernel.org > Subject: Re: [PATCH V7 00/30] thermal: exynos: Re-structure driver and > add support for exynos5440 > Importance: High > > On Tue, Jun 25, 2013 at 5:23 PM, amit daniel kachhap > <amit.daniel@...sung.com> wrote: > > On Tue, Jun 25, 2013 at 1:21 AM, Eduardo Valentin > > <eduardo.valentin@...com> wrote: > >> On 24-06-2013 13:13, Kukjin Kim wrote: > >>> On 06/24/13 19:50, Amit Daniel Kachhap wrote: > >>>> Submitting V7 version with all comments fixed. Most of the patches > >>>> are acked by Eduardo. All the un-acked patches are modified > >>>> according to the review comments. > >>>> If any comments please let me know. > >>>> > >>>> Thanks, > >>>> Amit Daniel > >>>> > >>>> Changes in V7: > >>>> * Fixed all the coding guidelines comments given by Eduardo. > >>>> * Moved the request irq call below the core thermal registration > as > >>>> per discussion > >>>> with Eduardo. > >>>> * Appropriate logs/TODO's/comments added for some review comments > >>>> which are still > >>>> same as before, > >>>> 1) calibration register setting still uses enums. > >>>> 2) very few soc check's still left in the driver. > >>>> 3) Cooling devices stored in an array in the exynos core > thermal > >>>> layer. > >>>> > >>>> Changes in V6: > >>>> * Uses ARCH_HAS_BANDGAP config flag which is merged now in arm > tree. > >>>> > (http://www.arm.linux.org.uk/developer/patches/viewpatch.php?id=7758/1). > >>>> * In this version patches 1, 2, 3, 4 and 30 are modified. Others > >>>> are same as V5. > >>>> * Added acked by from Jonghwa Lee. > >>>> * Rebased against Thermal Maintainer next tree. > >>>> > >>>> Changes in V5: > >>>> * Most of the changes in this version is as per suggestion from > >>>> Jonghwa Lee. I > >>>> have retained one to one mapping of platform data with TMU > >>>> instances as the > >>>> TMU's are different devices. In exynos5440 soc there is some > register > >>>> sharing across multiple TMU's but in exynos5420 there is no > >>>> register between > >>>> multiple TMU's, so the current implementation is useful to > >>>> support both of the > >>>> above. > >>>> This patch uses localized ARCH_HAS_TMU Kconfig option and is a > >>>> temporary solution > >>>> until a more generic macro ARCH_HAS_BANDGAP is introduced as per > >>>> discussion in > >>>> the link https://patchwork.kernel.org/patch/2659001/. > >>>> * trip type is passed as platform data. > >>>> * HW trip is allowed only for maximum level. > >>>> * Platform data structure is now abstracted inside 1 more > structure > >>>> to support > >>>> multiple sensor TMU data. > >>>> > >>>> Changes in V4: > >>>> Almost all the changes in this version is as per suggestion from > >>>> Eduardo.The > >>>> major ones are listed below, > >>>> * Added kconfig symbol ARCH_HAS_TMU which needs to be enabled by > >>>> platform. With > >>>> this change existing symbol EXYNOS_TMU_DATA is not needed. > >>>> * Movement of freq_clip_table from exynos_tmu.h to > >>>> exynos_thermal_common.h is > >>>> explained in the commit logs. > >>>> * Wrote all register description documentation. > >>>> * Split 5440 TMU support patch into controller change, > >>>> configuration data and > >>>> feature addition patches. > >>>> * Remove all *LINUX_* in the header files. > >>>> * Still regulator enable is kept optional but a TODO: comment is > >>>> added to fix > >>>> it later. > >>>> > >>>> Changes in V3: > >>>> * Added proper dependency of different exynos thermal Kconfig > symbols. > >>>> Basically 3 > >>>> Kconfig can be enabled now and corresponds to tmu driver. exynos > >>>> common part > >>>> and exynos configuration data. This issue was raised by Rui > Zhang. > >>>> > >>>> Changes in V2: > >>>> * Separated SOC data from TMU driver. This is as per suggestion > >>>> from Eduardo. > >>>> * Merged the new file created for exynos5440 TMU controller with > >>>> the existing > >>>> TMU controller code. > >>>> * Removed the DT parsing code as now the SOC specific data are > >>>> cleanly put > >>>> inside the data specific file. > >>>> * Even the register definations/bitfields are treated as data as > there is > >>>> some variation across SOC's. > >>>> > >>>> This patchset adds TMU(Thermal management Unit) driver support for > >>>> exynos5440 platform. There are 3 instances of the TMU controllers > >>>> so necessary cleanup/re-structure is done to handle multiple > thermal zone. > >>>> > >>>> Patch (exynos4: Add documentation for Exynos SoC thermal bindings) > >>>> from Lukasz Majewski is already posted to mainline. Using it as it > is needed. > >>>> (http://www.mail-archive.com/linux-samsung- > soc@...r.kernel.org/msg1 > >>>> 7817.html) > >>>> > >>>> > >>>> Patch (thermal: exynos: Support thermal tripping ) from Jonghwan > >>>> Choi is added here with some changes. > >>>> (https://patchwork.kernel.org/patch/1668371/) > >>>> > >>>> Patch (thermal: exynos: Support for TMU regulator defined at > device > >>>> tree) is a repost of my earlier > >>>> patch(https://patchwork-mail1.kernel.org/patch/2510771/) > >>>> and adds regulator support. > >>>> > >>>> Patch (ARM: dts: Add device tree node for exynos5440 TMU > >>>> controller) and patch (arm: exynos: enable ARCH_HAS_BANDGAP) can > be > >>>> merged through exynos platform maintainer as this can cause merge > >>>> conflict. > >>>> > >>>> All these patches are based on thermal maintainers git tree, > >>>> git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux.git > next. > >>>> > >>>> Amit Daniel Kachhap (30): > >>>> thermal: exynos: Moving exynos thermal files into samsung > directory > >>>> thermal: exynos: Use ARCH_HAS_BANDGAP config to know the > supported > >>>> soc's > >>>> thermal: exynos: Remove un-necessary CPU_THERMAL dependency > >>>> thermal: exynos: Bifurcate exynos thermal common and tmu > controller > >>>> code > >>>> thermal: exynos: Rename exynos_thermal.c to exynos_tmu.c > >>>> thermal: exynos: Move exynos_thermal.h from include/* to > driver/* > >>>> folder > >>>> thermal: exynos: Bifurcate exynos tmu driver and configuration > data > >>>> thermal: exynos: Add missing definations and code cleanup > >>>> thermal: exynos: Add extra entries in the tmu platform data > >>>> thermal: exynos: Move register definitions from driver to data > file > >>>> thermal: exynos: Support thermal tripping > >>>> thermal: exynos: Fix to clear only the generated interrupts > >>>> thermal: exynos: Add support for instance based > register/unregister > >>>> thermal: exynos: Modify private_data to appropriate name > driver_data > >>>> thermal: exynos: Return success even if no cooling data > supplied > >>>> thermal: exynos: Make the zone handling use trip information > >>>> thermal: exynos: Remove non DT based support > >>>> thermal: exynos: Add support to handle many instances of TMU > >>>> thermal: exynos: Add TMU features to check instead of using SOC > type > >>>> thermal: exynos: use device resource management infrastructure > >>>> thermal: exynos: Add support to access common register for > >>>> multistance > >>>> thermal: exynos: Add driver support for exynos5440 TMU sensor > >>>> thermal: exynos: Add thermal configuration data for exynos5440 > TMU > >>>> sensor > >>>> thermal: exynos: Fix to set the second point correction value > >>>> thermal: exynos: Add hardware mode thermal calibration support > >>>> thermal: exynos: Support for TMU regulator defined at device > tree > >>>> ARM: dts: thermal: exynos: Add documentation for Exynos SoC > thermal > >>>> bindings > >>>> Documentation: thermal: Explain the exynos thermal driver model > >>>> ARM: dts: Add device tree node for exynos5440 TMU controller > >>>> arm: exynos: enable ARCH_HAS_BANDGAP > >>>> > >>>> .../devicetree/bindings/thermal/exynos-thermal.txt | 55 + > >>>> Documentation/thermal/exynos_thermal | 43 +- > >>>> arch/arm/boot/dts/exynos5440.dtsi | 30 + > >>>> arch/arm/mach-exynos/Kconfig | 5 + > >>>> drivers/thermal/Kconfig | 13 +- > >>>> drivers/thermal/Makefile | 2 +- > >>>> drivers/thermal/exynos_thermal.c | 1058 > >>>> -------------------- > >>>> drivers/thermal/samsung/Kconfig | 18 + > >>>> drivers/thermal/samsung/Makefile | 7 + > >>>> drivers/thermal/samsung/exynos_thermal_common.c | 432 > ++++++++ > >>>> drivers/thermal/samsung/exynos_thermal_common.h | 107 ++ > >>>> drivers/thermal/samsung/exynos_tmu.c | 752 > >>>> ++++++++++++++ > >>>> drivers/thermal/samsung/exynos_tmu.h | 309 ++++++ > >>>> drivers/thermal/samsung/exynos_tmu_data.c | 250 +++++ > >>>> drivers/thermal/samsung/exynos_tmu_data.h | 155 +++ > >>>> include/linux/platform_data/exynos_thermal.h | 119 --- > >>>> 16 files changed, 2160 insertions(+), 1195 deletions(-) > >>>> create mode 100644 > >>>> Documentation/devicetree/bindings/thermal/exynos-thermal.txt > >>>> delete mode 100644 drivers/thermal/exynos_thermal.c > >>>> create mode 100644 drivers/thermal/samsung/Kconfig > >>>> create mode 100644 drivers/thermal/samsung/Makefile > >>>> create mode 100644 > drivers/thermal/samsung/exynos_thermal_common.c > >>>> create mode 100644 > drivers/thermal/samsung/exynos_thermal_common.h > >>>> create mode 100644 drivers/thermal/samsung/exynos_tmu.c > >>>> create mode 100644 drivers/thermal/samsung/exynos_tmu.h > >>>> create mode 100644 drivers/thermal/samsung/exynos_tmu_data.c > >>>> create mode 100644 drivers/thermal/samsung/exynos_tmu_data.h > >>>> delete mode 100644 include/linux/platform_data/exynos_thermal.h > >>>> > >>> Hi Eduardo, > >>> > >>> I think, Amit almost addressed comments from you guys, there are > >>> several comments though. And it can be fixed during -rc ;-) > >>> > >>> So please consider pick this series in your tmu tree. If any > >>> concerns, please kindly let me know. > >>> > >>> Note, if any merge conflicts with Samsung DT files, let me check. > >> > >> No concerns so far. I have acked almost all the remaining. There two > >> patches that still need some minor amendment (16 and 25). I am ok to > >> add this series to my tree. But the final pull request to Linus goes > >> via Rui. Rui how do you want to proceed with this series? Do you > want > >> me to send you a pull request? > > Hi Eduardo, > > > > thanks for the acks. > > I just submitted the resend version of patch16(cool device size > > fixed), patch 20(due to dependency on patch 16) and patch 25(fixing > > enum issue). > > > > Thanks, > > Amit D > Hi Rui, > > Any update on this patch series? Now all 30 patches in V7 version(with > RESEND patch 16, 20, 25) are acked by Eduardo. > Will apply it soon. Thanks, Rui > Thanks, > Amit Daniel > >> > >>> > >>> Thanks, > >>> - Kukjin > >>> > >>> > >> > >> > >> -- > >> You have got to be excited about what you are doing. (L. Lamport) > >> > >> Eduardo Valentin > >> -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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