Hi, On 28/09/2017 at 11:46:19 +0200, Romain Izard wrote: > While the core of the backup mode for SAMA5D2 has been integrated in > v4.13, it is far from complete. Individual controllers in the chip have > drivers that do not support the reset of the registers during suspend, > and they need to be adapted to handle it. > > The first patch uses the clock wakeup code from the prototype backup > mode instead of the version integrated in the mainline, as the mainline > version is not stable. During a test loop with two-second backup > suspend, the mainline version will hang in less than one day, whereas > the prototype version has been running the same test for more than a > week without hanging. > > While all these patches are provided in a series, the clock, mtd, > usb, pwm and mfd patch do not depend on each other. > > Changes in v2: > * drop the IIO patch duplicating existing code > * determine the number of programmable clocks to save dynamically > * declare a required local variable in the tty/serial patch > > Changes in v3: > * drop dev_printk changes for PMECC > * rework the resume code for PMECC > * improve comments on PMC clock handling > > Changes in v4: > * fix a bug in the PMECC resume code > > Romain Izard (8): > clk: at91: pmc: Wait for clocks when resuming > clk: at91: pmc: Save SCSR during suspend > clk: at91: pmc: Support backup for programmable clocks > mtd: nand: atmel: Avoid ECC errors when leaving backup mode > ehci-atmel: Power down during suspend is normal > pwm: atmel-tcb: Support backup mode > atmel_flexcom: Support backup mode > tty/serial: atmel: Prevent a warning on suspend > Really, you have to stop sending those independent patches as a series if you want to have a chance to see them being merged. > drivers/clk/at91/clk-programmable.c | 2 + > drivers/clk/at91/pmc.c | 63 ++++++++++++++++++++++++++----- > drivers/clk/at91/pmc.h | 2 + > drivers/mfd/atmel-flexcom.c | 65 ++++++++++++++++++++++++-------- > drivers/mtd/nand/atmel/nand-controller.c | 3 ++ > drivers/mtd/nand/atmel/pmecc.c | 17 +++++---- > drivers/mtd/nand/atmel/pmecc.h | 1 + > drivers/pwm/pwm-atmel-tcb.c | 63 ++++++++++++++++++++++++++++++- > drivers/tty/serial/atmel_serial.c | 13 +++++++ > drivers/usb/host/ehci-atmel.c | 3 +- > 10 files changed, 196 insertions(+), 36 deletions(-) > > -- > 2.11.0 > -- Alexandre Belloni, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
