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? > > 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 > -- Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> Intel Finland Oy -- 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
