register gpiochip earlier, allowing gpio-based runtime detection to be performed in board_init callback
SVN-Revision: 16328
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74dfd77f41
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c95420f06d
3 changed files with 9 additions and 2 deletions
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@ -120,9 +120,8 @@ static struct gpio_chip bcm63xx_gpio_chip = {
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.ngpio = BCM63XX_GPIO_COUNT,
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.ngpio = BCM63XX_GPIO_COUNT,
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};
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};
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static int __init bcm63xx_gpio_init(void)
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int __init bcm63xx_gpio_init(void)
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{
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{
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printk(KERN_INFO "registering %d GPIOs\n", BCM63XX_GPIO_COUNT);
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printk(KERN_INFO "registering %d GPIOs\n", BCM63XX_GPIO_COUNT);
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return gpiochip_add(&bcm63xx_gpio_chip);
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return gpiochip_add(&bcm63xx_gpio_chip);
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}
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}
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arch_initcall(bcm63xx_gpio_init);
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@ -13,6 +13,7 @@
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#include <bcm63xx_cpu.h>
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#include <bcm63xx_cpu.h>
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#include <bcm63xx_io.h>
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#include <bcm63xx_io.h>
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#include <bcm63xx_regs.h>
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#include <bcm63xx_regs.h>
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#include <bcm63xx_gpio.h>
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void __init prom_init(void)
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void __init prom_init(void)
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{
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{
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@ -42,6 +43,9 @@ void __init prom_init(void)
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/* assign command line from kernel config */
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/* assign command line from kernel config */
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strcpy(arcs_cmdline, CONFIG_CMDLINE);
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strcpy(arcs_cmdline, CONFIG_CMDLINE);
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/* register gpiochip */
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bcm63xx_gpio_init();
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/* do low level board init */
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/* do low level board init */
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board_prom_init();
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board_prom_init();
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}
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}
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@ -1,6 +1,10 @@
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#ifndef BCM63XX_GPIO_H
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#ifndef BCM63XX_GPIO_H
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#define BCM63XX_GPIO_H
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#define BCM63XX_GPIO_H
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#include <linux/init.h>
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int __init bcm63xx_gpio_init(void);
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/* all helpers will BUG() if gpio count is >= 37. */
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/* all helpers will BUG() if gpio count is >= 37. */
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#define BCM63XX_GPIO_COUNT 37
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#define BCM63XX_GPIO_COUNT 37
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