Some code cleanup done for USB device-tree fixup:
- handling error value returned from fdt_fixup_usb_mode_phy_type()
- using ARRAY_SIZE macro
- using snprintf instead of sprintf
Signed-off-by: Ramneek Mehresh <ramneek.mehr...@freescale.com>
---
KW Warnings fixed: using snprintf instead of sprintf
arch/powerpc/cpu/mpc8xxx/fdt.c | 18 ++++++++++++------
1 files changed, 12 insertions(+), 6 deletions(-)
diff --git a/arch/powerpc/cpu/mpc8xxx/fdt.c b/arch/powerpc/cpu/mpc8xxx/fdt.c
index d07ae1b..bc1c30e 100644
--- a/arch/powerpc/cpu/mpc8xxx/fdt.c
+++ b/arch/powerpc/cpu/mpc8xxx/fdt.c
@@ -1,5 +1,5 @@
/*
- * Copyright 2009-2011 Freescale Semiconductor, Inc.
+ * Copyright 2009-2012 Freescale Semiconductor, Inc.
*
* This file is derived from arch/powerpc/cpu/mpc85xx/cpu.c and
* arch/powerpc/cpu/mpc86xx/cpu.c. Basically this file contains
@@ -137,28 +137,34 @@ void fdt_fixup_dr_usb(void *blob, bd_t *bd)
for (i = 1; i <= FSL_MAX_NUM_USB_CTRLS; i++) {
int mode_idx = -1, phy_idx = -1;
- sprintf(str, "%s%d", "usb", i);
+ snprintf(str, 5, "%s%d", "usb", i);
if (hwconfig(str)) {
- for (j = 0; j < sizeof(modes); j++) {
+ for (j = 0; j < ARRAY_SIZE(modes); j++) {
if (hwconfig_subarg_cmp(str, "dr_mode",
modes[j])) {
mode_idx = j;
break;
}
}
- for (j = 0; j < sizeof(phys); j++) {
+ for (j = 0; j < ARRAY_SIZE(phys); j++) {
if (hwconfig_subarg_cmp(str, "phy_type",
phys[j])) {
phy_idx = j;
break;
}
}
- if (mode_idx >= 0)
+ if (mode_idx >= 0) {
usb_mode_off = fdt_fixup_usb_mode_phy_type(blob,
modes[mode_idx], NULL, usb_mode_off);
- if (phy_idx >= 0)
+ if (usb_mode_off < 0)
+ return;
+ }
+ if (phy_idx >= 0) {
usb_phy_off = fdt_fixup_usb_mode_phy_type(blob,
NULL, phys[phy_idx], usb_phy_off);
+ if (usb_phy_off < 0)
+ return;
+ }
if (!strcmp(str, "usb1"))
usb1_defined = 1;
if (mode_idx < 0 && phy_idx < 0)
--
1.7.1
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