On Thu, 23 Jul 2015, Andy Shevchenko wrote: > On Mon, 2015-07-06 at 15:22 +0300, Andy Shevchenko wrote: > > The new coming Intel platforms such as Skylake will contain > > Sunrisepoint PCH. > > > > The driver is based on MFD framework since the main device, i.e. > > serial bus > > controller, contains register space for itself, DMA part, and an > > additional > > address space (convergence layer). > > > > The public specification of the register map is avaiable in [1]. > > > > This is fifth generation of the patch series to bring support LPSS > > devices > > found on Intel Sunrisepoint (Intel Skylake PCH). Previous one can be > > found here > > [2]. > > > > The series has few logical parts: > > - patches 1-3 prepares PM core, ACPI, and driver core (PM) to handle > > our case > > - patches 4-6 introduce unregistering platform devices in MFD in > > reversed > > order > > - patch 7 implements iDMA 64-bit driver > > - patch 8 introduces an MFD driver for LPSS devices > > > > The patch 7 can be applied independently, though it's better if it > > goes before > > patch 8. > > > > The driver has been tested with SPI and UART on Intel Skylake PCH. > > > > [1] https://download.01.org/future-platform-configuration > > -hub/skylake/register-definitions/332219-002.pdf > > [2] http://www.spinics.net/lists/linux-acpi/msg58622.html > > Lee, can we move forward this thing somehow? > > We may create a topic branch for you where we apply already Acked > patches (1-5) to reduce burden on reviewers. Would it help? I just need one of the clock guys to take a look at the MFD patch before I apply the set. What other Acks are you waiting on? NB: I don't need a branch, it's easier for me to apply patches from my mbox. > > Changelog v5: > > - rebase on top of v4.2-rc1 > > - patch 3 is modified accordingly to new changes in > > drivers/base/dd.c > > - correct Rafael's email in patch 3 > > > > Changelog v4: > > - replace patch 3 by Rafael's suggession > > - append ACKs from Rafael > > - rebase on top of v4.1-rc8 > > > > Changelog v3: > > - rework patch 3 to be used for all kind of devices (address Alan > > comment) > > - iDMA 64-bit driver improvements: > > - fix burst-to-register conversion > > - remove excessive locking > > - do not expose core part to the user (Kconfig) > > - address most of Lee's comments > > - append ACKs > > - rebase on top of v4.1-rc6 > > > > Changelog v2: > > - new DMA driver to fully support iDMA 64-bit IP > > - patch 3 is added to wake up parent devices when ->probe(), > > ->remove(), or > > ->shutdown() > > - MFD core is unregistering devices in reversed order > > - address few Lee's comments on v1 > > - address Russel's comment, therefore use clkdev_create() helper > > - intel-lpss{,-acpi,-pci} are modified regarding to above changes > > > > Andy Shevchenko (5): > > klist: implement klist_prev() > > driver core: implement device_for_each_child_reverse() > > mfd: make mfd_remove_devices() iterate in reverse order > > dmaengine: add a driver for Intel integrated DMA 64-bit > > mfd: Add support for Intel Sunrisepoint LPSS devices > > > > Mika Westerberg (2): > > PM / QoS: Make it possible to expose device latency tolerance to > > userspace > > ACPI / PM: Attach ACPI power domain only once > > > > Rafael J. Wysocki (1): > > Driver core: wakeup the parent device before trying probe > > > > drivers/acpi/device_pm.c | 8 + > > drivers/acpi/internal.h | 2 + > > drivers/acpi/scan.c | 46 ++- > > drivers/base/core.c | 43 +++ > > drivers/base/dd.c | 20 ++ > > drivers/base/power/power.h | 2 + > > drivers/base/power/qos.c | 37 +++ > > drivers/base/power/sysfs.c | 11 + > > drivers/dma/Kconfig | 5 + > > drivers/dma/Makefile | 1 + > > drivers/dma/idma64.c | 724 > > ++++++++++++++++++++++++++++++++++++++++++ > > drivers/dma/idma64.h | 232 ++++++++++++++ > > drivers/mfd/Kconfig | 23 ++ > > drivers/mfd/Makefile | 3 + > > drivers/mfd/intel-lpss-acpi.c | 84 +++++ > > drivers/mfd/intel-lpss-pci.c | 113 +++++++ > > drivers/mfd/intel-lpss.c | 524 ++++++++++++++++++++++++++++++ > > drivers/mfd/intel-lpss.h | 62 ++++ > > drivers/mfd/mfd-core.c | 2 +- > > include/linux/device.h | 2 + > > include/linux/klist.h | 1 + > > include/linux/pm_qos.h | 5 + > > lib/klist.c | 41 +++ > > 23 files changed, 1974 insertions(+), 17 deletions(-) > > create mode 100644 drivers/dma/idma64.c > > create mode 100644 drivers/dma/idma64.h > > create mode 100644 drivers/mfd/intel-lpss-acpi.c > > create mode 100644 drivers/mfd/intel-lpss-pci.c > > create mode 100644 drivers/mfd/intel-lpss.c > > create mode 100644 drivers/mfd/intel-lpss.h > > > -- Lee Jones Linaro STMicroelectronics Landing Team Lead Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog -- To unsubscribe from this list: send the line "unsubscribe dmaengine" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
