• Linus Walleij's avatar
    gpio: change member .dev to .parent · 58383c78
    Linus Walleij authored
    The name .dev in a struct is normally reserved for a struct device
    that is let us say a superclass to the thing described by the struct.
    struct gpio_chip stands out by confusingly using a struct device *dev
    to point to the parent device (such as a platform_device) that
    represents the hardware. As we want to give gpio_chip:s real devices,
    this is not working. We need to rename this member to parent.
    
    This was done by two coccinelle scripts, I guess it is possible to
    combine them into one, but I don't know such stuff. They look like
    this:
    
    @@
    struct gpio_chip *var;
    @@
    -var->dev
    +var->parent
    
    and:
    
    @@
    struct gpio_chip var;
    @@
    -var.dev
    +var.parent
    
    and:
    
    @@
    struct bgpio_chip *var;
    @@
    -var->gc.dev
    +var->gc.parent
    
    Plus a few instances of bgpio that I couldn't figure out how
    to teach Coccinelle to rewrite.
    
    This patch hits all over the place, but I *strongly* prefer this
    solution to any piecemal approaches that just exercise patch
    mechanics all over the place. It mainly hits drivers/gpio and
    drivers/pinctrl which is my own backyard anyway.
    
    Cc: Haavard Skinnemoen <hskinnemoen@gmail.com>
    Cc: Rafał Miłecki <zajec5@gmail.com>
    Cc: Richard Purdie <rpurdie@rpsys.net>
    Cc: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
    Cc: Alek Du <alek.du@intel.com>
    Cc: Jaroslav Kysela <perex@perex.cz>
    Cc: Takashi Iwai <tiwai@suse.com>
    Acked-by: default avatarDmitry Torokhov <dmitry.torokhov@gmail.com>
    Acked-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
    Acked-by: default avatarLee Jones <lee.jones@linaro.org>
    Acked-by: default avatarJiri Kosina <jkosina@suse.cz>
    Acked-by: default avatarHans-Christian Egtvedt <egtvedt@samfundet.no>
    Acked-by: default avatarJacek Anaszewski <j.anaszewski@samsung.com>
    Signed-off-by: Linus Walleij's avatarLinus Walleij <linus.walleij@linaro.org>
    58383c78
gpio-bcm-kona.c 17.5 KB