fdt_usb_get_node_type() to return error code instead of pointer.
Signed-off-by: Sriram Dash sriram.dash@nxp.com Signed-off-by: Rajesh Bhagat rajesh.bhagat@nxp.com --- drivers/usb/common/fsl-dt-fixup.c | 25 ++++++++++++++----------- 1 file changed, 14 insertions(+), 11 deletions(-)
diff --git a/drivers/usb/common/fsl-dt-fixup.c b/drivers/usb/common/fsl-dt-fixup.c index b574127..f7137e4 100644 --- a/drivers/usb/common/fsl-dt-fixup.c +++ b/drivers/usb/common/fsl-dt-fixup.c @@ -19,8 +19,8 @@ #define CONFIG_USB_MAX_CONTROLLER_COUNT 1 #endif
-static char *fdt_usb_get_node_type(void *blob, int start_offset, - int *node_offset); +static int fdt_usb_get_node_type(void *blob, int start_offset, + int *node_offset, char **node_type);
char compat_usb_fsl[] = { "fsl-usb2-mph" "\0" @@ -37,8 +37,9 @@ static int fdt_fixup_usb_mode_phy_type(void *blob, const char *mode, int node_offset; int err;
- node_type = fdt_usb_get_node_type(blob, start_offset, &node_offset); - if (!node_type) + err = fdt_usb_get_node_type(blob, start_offset, + &node_offset, &node_type); + if (err < 0) return -1;
if (mode) { @@ -60,11 +61,11 @@ static int fdt_fixup_usb_mode_phy_type(void *blob, const char *mode, return node_offset; }
-static char *fdt_usb_get_node_type(void *blob, int start_offset, - int *node_offset) +static int fdt_usb_get_node_type(void *blob, int start_offset, + int *node_offset, char **node_type) { - char *node_type = NULL; char *node_name, *nxt; + int ret = -1;
for (node_name = compat_usb_fsl; *node_name; node_name = nxt + 1) { nxt = node_name; @@ -73,11 +74,12 @@ static char *fdt_usb_get_node_type(void *blob, int start_offset, *node_offset = fdt_node_offset_by_compatible (blob, start_offset, node_name); if (*node_offset >= 0) { - node_type = node_name; + *node_type = node_name; + ret = 0; break; } } - return node_type; + return ret; }
static int fdt_fixup_usb_erratum(void *blob, const char *prop_erratum, @@ -86,8 +88,9 @@ static int fdt_fixup_usb_erratum(void *blob, const char *prop_erratum, int node_offset, err; char *node_type = NULL;
- node_type = fdt_usb_get_node_type(blob, start_offset, &node_offset); - if (!node_type) + err = fdt_usb_get_node_type(blob, start_offset, + &node_offset, &node_type); + if (err < 0) return -1;
err = fdt_setprop(blob, node_offset, prop_erratum, NULL, 0);