dm: gpio: Allow the uclass to work without printf()

For SPL we don't really need sprintf() and with tiny-printf this is not
available. Allow this to be dropped in SPL when using tiny-printf.

Signed-off-by: Simon Glass <sjg@chromium.org>

diff --git a/drivers/gpio/gpio-uclass.c b/drivers/gpio/gpio-uclass.c
index 4cce11fe215f05b2cfbc1d55b5c4e020940b1ee6..3ed4d8914c216f41dd09a2914650754d52da870a 100644 (file)
--- a/drivers/gpio/gpio-uclass.c
+++ b/drivers/gpio/gpio-uclass.c
@@ -154,6 +154,7 @@ int dm_gpio_request(struct gpio_desc *desc, const char *label)
 
 static int dm_gpio_requestf(struct gpio_desc *desc, const char *fmt, ...)
 {
+#if !defined(CONFIG_SPL_BUILD) || !defined(CONFIG_USE_TINY_PRINTF)
        va_list args;
        char buf[40];
 
@@ -161,6 +162,9 @@ static int dm_gpio_requestf(struct gpio_desc *desc, const char *fmt, ...)
        vscnprintf(buf, sizeof(buf), fmt, args);
        va_end(args);
        return dm_gpio_request(desc, buf);
+#else
+       return dm_gpio_request(desc, fmt);
+#endif
 }
 
 /**
@@ -199,6 +203,7 @@ int gpio_request(unsigned gpio, const char *label)
  */
 int gpio_requestf(unsigned gpio, const char *fmt, ...)
 {
+#if !defined(CONFIG_SPL_BUILD) || !defined(CONFIG_USE_TINY_PRINTF)
        va_list args;
        char buf[40];
 
@@ -206,6 +211,9 @@ int gpio_requestf(unsigned gpio, const char *fmt, ...)
        vscnprintf(buf, sizeof(buf), fmt, args);
        va_end(args);
        return gpio_request(gpio, buf);
+#else
+       return gpio_request(gpio, fmt);
+#endif
 }
 
 int _dm_gpio_free(struct udevice *dev, uint offset)