commit ee8a3d973615f4f24a801c66f8ab03923dbe61b3
author Simon Glass <sjg@chromium.org> Tue Dec 29 05:22:48 2015 -0700
committer Simon Glass <sjg@chromium.org> Wed Jan 20 19:06:22 2016 -0700
tree 3ba600ae13463e7d97ff03f37b893e7cb2dfbf8d
parent 5bd9f6cfe9db6df7c34e712332cbb1c380cf0391

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>

drivers/gpio/gpio-uclass.c

diff --git a/drivers/gpio/gpio-uclass.c b/drivers/gpio/gpio-uclass.c
index 4cce11f..3ed4d89 100644
--- a/drivers/gpio/gpio-uclass.c
+++ b/drivers/gpio/gpio-uclass.c
@@ -154,6 +154,7 @@
 
 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 @@
 	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_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 @@
 	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)