[U-Boot] [RFC PATCH 2/2] tegra: Use fdtdec_find_aliases() to find USB ports

[Simon Glass]

Use the new fdtdec_find_aliases() function instead of
fdtdec_next_alias() to locate our USB nodes.

As this example shows, the impact on drivers should be minimal.

Signed-off-by: Simon Glass <sjg at chromium.org>
---
 arch/arm/cpu/armv7/tegra2/usb.c |   17 ++++++++---------
 1 files changed, 8 insertions(+), 9 deletions(-)

diff --git a/arch/arm/cpu/armv7/tegra2/usb.c b/arch/arm/cpu/armv7/tegra2/usb.c
index 215d0d3..5b2bd7e 100644
--- a/arch/arm/cpu/armv7/tegra2/usb.c
+++ b/arch/arm/cpu/armv7/tegra2/usb.c
@@ -395,21 +395,20 @@ int fdt_decode_usb(const void *blob, int node, unsigned osc_frequency_mhz,
 int board_usb_init(const void *blob)
 {
 	struct fdt_usb config;
-	int node, upto = 0;
 	unsigned osc_freq = clock_get_rate(CLOCK_ID_OSC);
 	enum clock_osc_freq freq;
+	int node_list[USB_PORTS_MAX];
+	int node, count, i;
 
 	/* Set up the USB clocks correctly based on our oscillator frequency */
 	freq = clock_get_osc_freq();
 	config_clock(usb_pll[freq]);
 
-	do {
-		node = fdtdec_next_alias(blob, "usb",
-					 COMPAT_NVIDIA_TEGRA20_USB, &upto);
-		if (node < 0) {
-			debug("Cannot find usb%d alias in fdt\n", upto);
-			break;
-		}
+	/* count may return <0 on error */
+	count = fdtdec_find_aliases(blob, "usb", COMPAT_NVIDIA_TEGRA20_USB,
+				    node_list, USB_PORTS_MAX);
+	for (i = 0; i < count; i++) {
+		node = node_list[i];
 		if (fdt_decode_usb(blob, node, osc_freq, &config)) {
 			debug("Cannot decode USB node %s\n",
 			      fdt_get_name(blob, node, NULL));
@@ -423,7 +422,7 @@ int board_usb_init(const void *blob)
 
 		if (add_port(&config, usb_pll[freq]))
 			return -1;
-	} while (node);
+	}
 	usb_set_host_mode();
 	port_current = -1;
 	return 0;
-- 
1.7.3.1