Re: [PATCH v6 00/15] Add support to STMicroelectronics STM32 family

From: Maxime Coquelin
Date: Wed Apr 08 2015 - 05:14:43 EST


Hi Arnd, Olof,

2015-04-07 18:30 GMT+02:00 Maxime Coquelin <mcoquelin.stm32@xxxxxxxxx>:
> This sixth round adds minor fixes to USART driver, and adds some Acks.
>
> STM32 MCUs are Cortex-M CPU, used in various applications (consumer
> electronics, industrial applications, hobbyists...).
> Datasheets, user and programming manuals are publicly available on
> STMicroelectronics website.
>
> With this series applied, the STM32F419 Discovery can boot succesfully.
>
> Changes since v5:
> -----------------
> - Change st,hw-flow-ctrl property to auto-flow-control (Rob)
> - Constify stm32_uart_ops (Joe)
> - Propagate request_irq error in USART driver (Andy)
> - Applies Acked-by and Reviewed-by (Rob, Peter)
>
> Changes since v4:
> -----------------
> - Cosmetic changes in USART driver (Andy)
> - Apply Acks on reset driver & bindings (Philipp & Rob)
>
> Changes since v3:
> -----------------
> - Fix and simplify error path in ARMv7-M Systick driver (Daniel)
> - Improve reset bindings documentation (Philipp)
> - Fix trailing lines anf typos in reset driver & doc (Philipp & Chanwoo)
> - Fix MODULE_LICENCE in USART driver (Paul)
> - Refactor USART baudrate calculation (Peter & Andy)
> - Fix error path in USART init (Peter & Russell)
> - Fix HW flow control in USART driver (Peter)
> - Fix serial port type number to unused one (Peter)
> - Applies Chanwoo's Tested-by on the series
>
> Changes since v2:
> -----------------
> - Remove pinctrl driver from the series.
> - Remove reset_controller_of_init(), and reset the timers in the bootloader
> - Add HW flow contrl property for serial driver
> - Lots of changes in the DTS file, as per Andreas recommendations
> - Some Kconfig clean-ups
> - Adapt the config to be compatible with Andreas' bootwrapper, except UART port.
> - Various fixes in documentation
>
> Changes since v1:
> -----------------
> - Move bindings documentation in their own patches (Andreas)
> - Rename ARM System timer to armv7m-systick (Rob)
> - Add clock-frequency property handling in armv7m-systick (Rob)
> - Re-factor the reset controllers into a single controller (Philipp)
> - Add kerneldoc to reset_controller_of_init (Philipp)
> - Add named constants in include/dt-bindings/reset/ (Philipp)
> - Make pinctrl driver to depend on ARCH_STM32 or COMPILE_TEST (Geert)
> - Introduce CPUV7M_NUM_IRQ config flag to indicate the number of interrupts
> supported by the MCU, in order to limit memory waste in vectors' table (Uwe)
>
> Maxime Coquelin (15):
> scripts: link-vmlinux: Don't pass page offset to kallsyms if XIP
> Kernel
> ARM: ARMv7-M: Enlarge vector table up to 256 entries
> dt-bindings: Document the ARM System timer bindings
> clocksource/drivers: Add ARM System timer driver
> dt-bindings: Document the STM32 reset bindings
> drivers: reset: Add STM32 reset driver
> dt-bindings: Document the STM32 timer bindings
> clockevents/drivers: Add STM32 Timer driver
> dt-bindings: Document the STM32 USART bindings
> serial: stm32-usart: Add STM32 USART Driver
> ARM: Add STM32 family machine
> ARM: dts: Add ARM System timer as clockevent in armv7m
> ARM: dts: Introduce STM32F429 MCU
> ARM: configs: Add STM32 defconfig
> MAINTAINERS: Add entry for STM32 MCUs
>
> Documentation/arm/stm32/overview.txt | 32 +
> Documentation/arm/stm32/stm32f429-overview.txt | 22 +
> .../devicetree/bindings/arm/armv7m_systick.txt | 26 +
> .../devicetree/bindings/reset/st,stm32-rcc.txt | 107 +++
> .../devicetree/bindings/serial/st,stm32-usart.txt | 32 +
> .../devicetree/bindings/timer/st,stm32-timer.txt | 22 +
> MAINTAINERS | 8 +
> arch/arm/Kconfig | 18 +
> arch/arm/Makefile | 1 +
> arch/arm/boot/dts/Makefile | 1 +
> arch/arm/boot/dts/armv7-m.dtsi | 6 +
> arch/arm/boot/dts/stm32f429-disco.dts | 71 ++
> arch/arm/boot/dts/stm32f429.dtsi | 226 +++++++
> arch/arm/configs/stm32_defconfig | 71 ++
> arch/arm/kernel/entry-v7m.S | 13 +-
> arch/arm/mach-stm32/Makefile | 1 +
> arch/arm/mach-stm32/Makefile.boot | 3 +
> arch/arm/mach-stm32/board-dt.c | 19 +
> arch/arm/mm/Kconfig | 15 +
> drivers/clocksource/Kconfig | 15 +
> drivers/clocksource/Makefile | 2 +
> drivers/clocksource/armv7m_systick.c | 79 +++
> drivers/clocksource/timer-stm32.c | 184 ++++++
> drivers/reset/Makefile | 1 +
> drivers/reset/reset-stm32.c | 124 ++++
> drivers/tty/serial/Kconfig | 17 +
> drivers/tty/serial/Makefile | 1 +
> drivers/tty/serial/stm32-usart.c | 735 +++++++++++++++++++++
> include/uapi/linux/serial_core.h | 3 +
> scripts/link-vmlinux.sh | 2 +-
> 30 files changed, 1852 insertions(+), 5 deletions(-)
> create mode 100644 Documentation/arm/stm32/overview.txt
> create mode 100644 Documentation/arm/stm32/stm32f429-overview.txt
> create mode 100644 Documentation/devicetree/bindings/arm/armv7m_systick.txt
> create mode 100644 Documentation/devicetree/bindings/reset/st,stm32-rcc.txt
> create mode 100644 Documentation/devicetree/bindings/serial/st,stm32-usart.txt
> create mode 100644 Documentation/devicetree/bindings/timer/st,stm32-timer.txt
> create mode 100644 arch/arm/boot/dts/stm32f429-disco.dts
> create mode 100644 arch/arm/boot/dts/stm32f429.dtsi
> create mode 100644 arch/arm/configs/stm32_defconfig
> create mode 100644 arch/arm/mach-stm32/Makefile
> create mode 100644 arch/arm/mach-stm32/Makefile.boot
> create mode 100644 arch/arm/mach-stm32/board-dt.c
> create mode 100644 drivers/clocksource/armv7m_systick.c
> create mode 100644 drivers/clocksource/timer-stm32.c
> create mode 100644 drivers/reset/reset-stm32.c
> create mode 100644 drivers/tty/serial/stm32-usart.c
>
> --
> 1.9.1
>

Do you think we could consider this series for v4.1?
I can prepare a pull request if needed.

Maybe it is too late, but since it is mainly new files, the risk of
conflicts is rather low.

Kind regards,
Maxime
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