Re: [PATCH 2/3] gpiolib: fix debugfs dangling chip separator

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On Thu, Oct 31, 2024 at 06:02:43PM +0100, Bartosz Golaszewski wrote:

> But with this change we go from an incorrect:
> 
> # cat /sys/kernel/debug/gpio
> gpiochip0: (dangling chip)
> gpiochip1: (dangling chip)
> gpiochip2: (dangling chip)root@qemux86-64:~#
> 
> to still incorrect:
> 
> # cat /sys/kernel/debug/gpio
> gpiochip0: (dangling chip)
> 
> gpiochip1: (dangling chip)
> 
> gpiochip2: (dangling chip)

Why do you think this is incorrect? Every chip section is separated by
an empty line, just as it should be:

gpiochip0: GPIOs 512-517, parent: platform/c42d000.spmi:pmic@0:gpio@8800, c42d000.spmi:pmic@0:gpio@8800:
 gpio1 : in   low  normal  vin-0 no pull                     push-pull  low     atest-1 dtest-0
 gpio2 : in   low  normal  vin-0 no pull                     push-pull  low     atest-1 dtest-0
 gpio3 : out  low  func1   vin-0 pull-down 10uA              push-pull  low     atest-1 dtest-0
 gpio4 : in   low  normal  vin-0 pull-down 10uA              push-pull  low     atest-1 dtest-0
 gpio5 : ---
 gpio6 : in   high normal  vin-0 pull-up 30uA                push-pull  low     atest-1 dtest-0

gpiochip1: GPIOs 518-529, parent: platform/c42d000.spmi:pmic@1:gpio@8800, c42d000.spmi:pmic@1:gpio@8800:
 gpio1 : in   low  normal  vin-0 pull-down 10uA              push-pull  low     atest-1 dtest-0
 gpio2 : in   low  normal  vin-0 pull-down 10uA              push-pull  low     atest-1 dtest-0
 gpio3 : ---
 gpio4 : ---
 gpio5 : in   high normal  vin-0 pull-up 30uA                push-pull  low     atest-1 dtest-0
 gpio6 : in   high normal  vin-1 pull-up 30uA                push-pull  low     atest-1 dtest-0
 gpio7 : out  high func1   vin-1 no pull                     push-pull  low     atest-1 dtest-0
 gpio8 : in   low  normal  vin-0 pull-down 10uA              push-pull  low     atest-1 dtest-0
 gpio9 : in   low  normal  vin-0 pull-down 10uA              push-pull  low     atest-1 dtest-0
 gpio10: out  high normal  vin-1 no pull                     push-pull  low     atest-1 dtest-0
 gpio11: out  high normal  vin-1 no pull                     push-pull  low     atest-1 dtest-0
 gpio12: in   low  normal  vin-1 pull-down 10uA              push-pull  low     atest-1 dtest-0

gpiochip2: GPIOs 530-537, parent: platform/c42d000.spmi:pmic@2:gpio@8800, c42d000.spmi:pmic@2:gpio@8800:
 gpio1 : in   low  normal  vin-0 pull-down 10uA              push-pull  low     atest-1 dtest-0
 gpio2 : in   low  normal  vin-0 pull-down 10uA              push-pull  low     atest-1 dtest-0
 gpio3 : in   low  normal  vin-0 pull-down 10uA              push-pull  low     atest-1 dtest-0
 gpio4 : out  high normal  vin-1 pull-down 10uA              push-pull  medium  atest-1 dtest-0
 gpio5 : in   low  normal  vin-1 pull-down 10uA              push-pull  low     atest-1 dtest-0
 gpio6 : out  high normal  vin-1 pull-down 10uA              push-pull  low     atest-1 dtest-0
 gpio7 : in   low  normal  vin-0 pull-down 10uA              push-pull  low     atest-1 dtest-0
 gpio8 : out  low  normal  vin-1 pull-down 10uA              push-pull  low     atest-1 dtest-0

Johan




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