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Make the GPIO children attach to the first unit available and not only to

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unit 0.

It seems that this 'simplification' was copied to all GPIO drivers in tree.

This fix a bug where a GPIO controller could fail to attach its children
(gpioc and gpiobus) if another GPIO driver attach first.
This commit is contained in:
Luiz Otavio O Souza 2014-10-28 18:33:59 +00:00
parent 527e4e62ac
commit 8839e0e9f3
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=273799
15 changed files with 35 additions and 31 deletions
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4
sys/arm/allwinner/a10_gpio.c
View File

@ -474,8 +474,8 @@ a10_gpio_attach(device_t dev)
}
sc->sc_gpio_npins = i;
device_add_child(dev, "gpioc", device_get_unit(dev));
device_add_child(dev, "gpiobus", device_get_unit(dev));
device_add_child(dev, "gpioc", -1);
device_add_child(dev, "gpiobus", -1);
a10_gpio_sc = sc;

5
sys/arm/broadcom/bcm2835/bcm2835_gpio.c
View File

@ -747,8 +747,9 @@ bcm_gpio_attach(device_t dev)
bcm_gpio_sysctl_init(sc);
device_add_child(dev, "gpioc", device_get_unit(dev));
device_add_child(dev, "gpiobus", device_get_unit(dev));
device_add_child(dev, "gpioc", -1);
device_add_child(dev, "gpiobus", -1);
return (bus_generic_attach(dev));
fail:

4
sys/arm/freescale/imx/imx_gpio.c
View File

@ -435,8 +435,8 @@ imx51_gpio_attach(device_t dev)
"imx_gpio%d.%d", device_get_unit(dev), i);
}
device_add_child(dev, "gpioc", device_get_unit(dev));
device_add_child(dev, "gpiobus", device_get_unit(dev));
device_add_child(dev, "gpioc", -1);
device_add_child(dev, "gpiobus", -1);
return (bus_generic_attach(dev));
}

4
sys/arm/freescale/vybrid/vf_gpio.c
View File

@ -146,8 +146,8 @@ vf_gpio_attach(device_t dev)
"vf_gpio%d.%d", device_get_unit(dev), i);
}
device_add_child(dev, "gpioc", device_get_unit(dev));
device_add_child(dev, "gpiobus", device_get_unit(dev));
device_add_child(dev, "gpioc", -1);
device_add_child(dev, "gpiobus", -1);
return (bus_generic_attach(dev));
}

4
sys/arm/lpc/lpc_gpio.c
View File

@ -192,8 +192,8 @@ lpc_gpio_attach(device_t dev)
lpc_gpio_sc = sc;
device_add_child(dev, "gpioc", device_get_unit(dev));
device_add_child(dev, "gpiobus", device_get_unit(dev));
device_add_child(dev, "gpioc", -1);
device_add_child(dev, "gpiobus", -1);
return (bus_generic_attach(dev));
}

4
sys/arm/rockchip/rk30xx_gpio.c
View File

@ -504,8 +504,8 @@ rk30_gpio_attach(device_t dev)
}
sc->sc_gpio_npins = i;
device_add_child(dev, "gpioc", device_get_unit(dev));
device_add_child(dev, "gpiobus", device_get_unit(dev));
device_add_child(dev, "gpioc", -1);
device_add_child(dev, "gpiobus", -1);
rk30_gpio_sc = sc;

4
sys/arm/samsung/exynos/exynos5_pad.c
View File

@ -559,8 +559,8 @@ pad_attach(device_t dev)
"pad%d.%d", device_get_unit(dev), i);
}
device_add_child(dev, "gpioc", device_get_unit(dev));
device_add_child(dev, "gpiobus", device_get_unit(dev));
device_add_child(dev, "gpioc", -1);
device_add_child(dev, "gpiobus", -1);
return (bus_generic_attach(dev));
}

4
sys/arm/ti/ti_gpio.c
View File

@ -800,8 +800,8 @@ ti_gpio_attach(device_t dev)
}
/* Finish of the probe call */
device_add_child(dev, "gpioc", device_get_unit(dev));
device_add_child(dev, "gpiobus", device_get_unit(dev));
device_add_child(dev, "gpioc", -1);
device_add_child(dev, "gpiobus", -1);
return (bus_generic_attach(dev));
}

4
sys/arm/xilinx/zy7_gpio.c
View File

@ -329,8 +329,8 @@ zy7_gpio_attach(device_t dev)
/* Completely reset. */
zy7_gpio_hw_reset(sc);
device_add_child(dev, "gpioc", device_get_unit(dev));
device_add_child(dev, "gpiobus", device_get_unit(dev));
device_add_child(dev, "gpioc", -1);
device_add_child(dev, "gpiobus", -1);
return (bus_generic_attach(dev));
}

5
sys/arm/xscale/ixp425/avila_gpio.c
View File

@ -318,8 +318,9 @@ avila_gpio_attach(device_t dev)
sc->sc_valid |= 1 << p->pin;
}
device_add_child(dev, "gpioc", device_get_unit(dev));
device_add_child(dev, "gpiobus", device_get_unit(dev));
device_add_child(dev, "gpioc", -1);
device_add_child(dev, "gpiobus", -1);
return (bus_generic_attach(dev));
#undef N
}

5
sys/arm/xscale/ixp425/cambria_gpio.c
View File

@ -447,8 +447,9 @@ cambria_gpio_attach(device_t dev)
cambria_gpio_pin_setflags(dev, pin, p->flags);
}
device_add_child(dev, "gpioc", device_get_unit(dev));
device_add_child(dev, "gpiobus", device_get_unit(dev));
device_add_child(dev, "gpioc", -1);
device_add_child(dev, "gpiobus", -1);
return (bus_generic_attach(dev));
}

5
sys/mips/atheros/ar71xx_gpio.c
View File

@ -441,8 +441,9 @@ ar71xx_gpio_attach(device_t dev)
ar71xx_gpio_pin_set(dev, j, 1);
}
}
device_add_child(dev, "gpioc", device_get_unit(dev));
device_add_child(dev, "gpiobus", device_get_unit(dev));
device_add_child(dev, "gpioc", -1);
device_add_child(dev, "gpiobus", -1);
return (bus_generic_attach(dev));
}

5
sys/mips/cavium/octeon_gpio.c
View File

@ -441,8 +441,9 @@ octeon_gpio_attach(device_t dev)
}
}
device_add_child(dev, "gpioc", device_get_unit(dev));
device_add_child(dev, "gpiobus", device_get_unit(dev));
device_add_child(dev, "gpioc", -1);
device_add_child(dev, "gpiobus", -1);
return (bus_generic_attach(dev));
}

5
sys/mips/rt305x/rt305x_gpio.c
View File

@ -511,9 +511,8 @@ rt305x_gpio_attach(device_t dev)
}
#endif
device_add_child(dev, "gpioc", device_get_unit(dev));
device_add_child(dev, "gpiobus", device_get_unit(dev));
device_add_child(dev, "gpioc", -1);
device_add_child(dev, "gpiobus", -1);
return (bus_generic_attach(dev));
}

4
sys/powerpc/wii/wii_gpio.c
View File

@ -182,8 +182,8 @@ wiigpio_attach(device_t dev)
"GPIO_PIN_INPUT" : "GPIO_PIN_OUTPUT");
#endif
}
device_add_child(dev, "gpioc", device_get_unit(dev));
device_add_child(dev, "gpiobus", device_get_unit(dev));
device_add_child(dev, "gpioc", -1);
device_add_child(dev, "gpiobus", -1);
/*
* We will be responsible for powering off the system.
*/