On Thu, Jun 22, 2023 at 09:23:20AM +0200, Ahmad Fatoum wrote: > The gpiod_ (GPIO descriptor) API used with Linux differs from barebox' > normal GPIO API: > > - gpiod handles are opaque pointers and not an integer, which users > have an expectation of stability for > > - gpiod API uses logic levels by default with separate raw API for > physical level instead of physical level by default and separate > API taking active level into account. > > The barebox gpiod_ API mimics the latter point, but still uses integers > requiring ugly and arguably error prone conversions when porting kernel > code. > > This series fixes that by adding proper struct gpio_desc API like in > Linux and then builds upon that to port the kernel gpio-mux driver. Applied, thanks Sascha > > v1 -> v2: > - drop unrelated help command patch > - drop gpio-mux patch for separate sending out > - rebase onto next > - fix and add stubs for !CONFIG_GPIOLIB > - rename internal gpioinfo_ functions to gpiodesc_ > > v1 was here: > https://lore.barebox.org/barebox/20230621092700.GE18491@xxxxxxxxxxxxxx/T/#t > > Ahmad Fatoum (9): > driver: include dev_print and family from <driver.h> > include: linux/printk: define new dev_errp_probe > gpio: have gpiod_ functions return and accept pointers > gpio: gpiolib: rename struct gpio_info to gpio_desc > gpiolib: export proper gpio descriptor API > bitmap: implement bitmap_{to,from}_arr{32,64} > gpiolib: factor out finding gpio property > gpiolib: add support for requesting and setting gpiod arrays > gpiolib: rename gpioinfo_ to gpiodesc_ > > drivers/gpio/gpio-pca953x.c | 9 +- > drivers/gpio/gpiolib.c | 528 +++++++++++++++++------ > drivers/mci/mci_spi.c | 13 +- > drivers/mtd/nand/atmel/nand-controller.c | 40 +- > drivers/mtd/nand/nand_base.c | 6 +- > drivers/net/designware_eqos.c | 26 +- > drivers/net/ksz8873.c | 13 +- > drivers/net/ksz9477.c | 13 +- > drivers/net/realtek-dsa/realtek-mdio.c | 10 +- > drivers/net/realtek-dsa/realtek-smi.c | 18 +- > drivers/net/realtek-dsa/realtek.h | 6 +- > drivers/net/sja1105.c | 25 +- > drivers/nvmem/starfive-otp.c | 12 +- > drivers/pci/pcie-dw-rockchip.c | 14 +- > drivers/power/reset/gpio-poweroff.c | 14 +- > drivers/power/reset/gpio-restart.c | 23 +- > drivers/regulator/fixed.c | 27 +- > drivers/sound/gpio-beeper.c | 14 +- > drivers/usb/misc/onboard_usb_hub.c | 11 +- > drivers/video/mipi_dbi.c | 8 +- > drivers/video/panel-ilitek-ili9341.c | 17 +- > drivers/video/panel-mipi-dbi.c | 17 +- > drivers/watchdog/gpio_wdt.c | 22 +- > include/driver.h | 1 + > include/gpiod.h | 79 +--- > include/linux/bitmap.h | 101 +++++ > include/linux/gpio/consumer.h | 224 ++++++++++ > include/linux/mtd/rawnand.h | 4 +- > include/linux/printk.h | 3 + > include/video/mipi_dbi.h | 7 +- > lib/bitmap.c | 103 +++++ > 31 files changed, 1019 insertions(+), 389 deletions(-) > create mode 100644 include/linux/gpio/consumer.h > > -- > 2.39.2 > > > -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
