diff options
Diffstat (limited to 'common')
-rw-r--r-- | common/cmd_gpio.c | 57 |
1 files changed, 21 insertions, 36 deletions
diff --git a/common/cmd_gpio.c b/common/cmd_gpio.c index 8d946f42ac..65d6df451c 100644 --- a/common/cmd_gpio.c +++ b/common/cmd_gpio.c @@ -25,13 +25,6 @@ enum gpio_cmd { }; #if defined(CONFIG_DM_GPIO) && !defined(gpio_status) -static const char * const gpio_function[GPIOF_COUNT] = { - "input", - "output", - "unused", - "unknown", - "func", -}; /* A few flags used by show_gpio() */ enum { @@ -40,22 +33,16 @@ enum { FLAG_SHOW_NEWLINE = 1 << 2, }; -static void show_gpio(struct udevice *dev, const char *bank_name, int offset, - int *flagsp) +static void gpio_get_description(struct udevice *dev, const char *bank_name, + int offset, int *flagsp) { - struct dm_gpio_ops *ops = gpio_get_ops(dev); - int func = GPIOF_UNKNOWN; char buf[80]; int ret; - BUILD_BUG_ON(GPIOF_COUNT != ARRAY_SIZE(gpio_function)); - - if (ops->get_function) { - ret = ops->get_function(dev, offset); - if (ret >= 0 && ret < ARRAY_SIZE(gpio_function)) - func = ret; - } - if (!(*flagsp & FLAG_SHOW_ALL) && func == GPIOF_UNUSED) + ret = gpio_get_function(dev, offset, NULL); + if (ret < 0) + goto err; + if (!(*flagsp & FLAG_SHOW_ALL) && ret == GPIOF_UNUSED) return; if ((*flagsp & FLAG_SHOW_BANK) && bank_name) { if (*flagsp & FLAG_SHOW_NEWLINE) { @@ -65,20 +52,15 @@ static void show_gpio(struct udevice *dev, const char *bank_name, int offset, printf("Bank %s:\n", bank_name); *flagsp &= ~FLAG_SHOW_BANK; } - *buf = '\0'; - if (ops->get_state) { - ret = ops->get_state(dev, offset, buf, sizeof(buf)); - if (ret) { - puts("<unknown>"); - return; - } - } else { - sprintf(buf, "%s%u: %8s %d", bank_name, offset, - gpio_function[func], ops->get_value(dev, offset)); - } - puts(buf); - puts("\n"); + ret = gpio_get_status(dev, offset, buf, sizeof(buf)); + if (ret) + goto err; + + printf("%s\n", buf); + return; +err: + printf("Error %d\n", ret); } static int do_gpio_status(bool all, const char *gpio_name) @@ -101,8 +83,10 @@ static int do_gpio_status(bool all, const char *gpio_name) if (all) flags |= FLAG_SHOW_ALL; bank_name = gpio_get_bank_info(dev, &num_bits); - if (!num_bits) + if (!num_bits) { + debug("GPIO device %s has no bits\n", dev->name); continue; + } banklen = bank_name ? strlen(bank_name) : 0; if (!gpio_name || !bank_name || @@ -113,11 +97,12 @@ static int do_gpio_status(bool all, const char *gpio_name) p = gpio_name + banklen; if (gpio_name && *p) { offset = simple_strtoul(p, NULL, 10); - show_gpio(dev, bank_name, offset, &flags); + gpio_get_description(dev, bank_name, offset, + &flags); } else { for (offset = 0; offset < num_bits; offset++) { - show_gpio(dev, bank_name, offset, - &flags); + gpio_get_description(dev, bank_name, + offset, &flags); } } } |