dany/u-boot-megous
1
0
Fork 0
mirror of https://xff.cz/git/u-boot/ synced 2025-09-01 08:42:12 +02:00
Code Issues Packages Projects Releases Wiki Activity

dm: Move the function for getting GPIO status into the uclass

Browse Source 
This function can be more easily tested if it is in the uclass.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass
2014-10-04 11:29:44 -06:00
parent 6449a506d6
commit 0757535a7e
3 changed files with 78 additions and 36 deletions
Download Patch File Download Diff File Expand all files Collapse all files

39
drivers/gpio/gpio-uclass.c
View File

@@ -330,6 +330,45 @@ int gpio_get_raw_function(struct udevice *dev, int offset, const char **namep)
return get_function(dev, offset, false, namep);
}
int gpio_get_status(struct udevice *dev, int offset, char *buf, int buffsize)
{
struct dm_gpio_ops *ops = gpio_get_ops(dev);
struct gpio_dev_priv *priv;
char *str = buf;
int func;
int ret;
int len;
BUILD_BUG_ON(GPIOF_COUNT != ARRAY_SIZE(gpio_function));
*buf = 0;
priv = dev->uclass_priv;
ret = gpio_get_raw_function(dev, offset, NULL);
if (ret < 0)
return ret;
func = ret;
len = snprintf(str, buffsize, "%s%d: %s",
priv->bank_name ? priv->bank_name : "",
offset, gpio_function[func]);
if (func == GPIOF_INPUT || func == GPIOF_OUTPUT ||
func == GPIOF_UNUSED) {
const char *label;
bool used;
ret = ops->get_value(dev, offset);
if (ret < 0)
return ret;
used = gpio_get_function(dev, offset, &label) != GPIOF_UNUSED;
snprintf(str + len, buffsize - len, ": %d [%c]%s%s",
ret,
used ? 'x' : ' ',
used ? " " : "",
label ? label : "");
}
return 0;
}
/* We need to renumber the GPIOs when any driver is probed/removed */
static int gpio_renumber(struct udevice *removed_dev)
{