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authorAxel Lin <axel.lin@ingics.com>2015-01-07 09:54:56 +0800
committerJagannadha Sutradharudu Teki <jagannadh.teki@gmail.com>2015-01-07 12:30:54 +0530
commit1dc7d00f2783991387fe715d61b50fe7b40fd30a (patch)
tree547851d6f5b81401ab0705bfb88b4f9ae481e001
parentd87cbeccc54da2d39e1363e423953d8e24fb2008 (diff)
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spi: cadence_qspi: Fix checking return value of fdt_first_subnode()
fdt_first_subnode() returns -FDT_ERR_NOTFOUND if no subnode found. 0 is supposed to be a valid offset returns from fdt_first_subnode(). Signed-off-by: Axel Lin <axel.lin@ingics.com> Reviewed-by: Jagannadha Sutradharudu Teki <jagannadh.teki@gmail.com>
-rw-r--r--drivers/spi/cadence_qspi.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/spi/cadence_qspi.c b/drivers/spi/cadence_qspi.c
index fa95b19..98ae3b8 100644
--- a/drivers/spi/cadence_qspi.c
+++ b/drivers/spi/cadence_qspi.c
@@ -297,7 +297,7 @@ static int cadence_spi_ofdata_to_platdata(struct udevice *bus)
/* All other paramters are embedded in the child node */
subnode = fdt_first_subnode(blob, node);
- if (!subnode) {
+ if (subnode < 0) {
printf("Error: subnode with SPI flash config missing!\n");
return -ENODEV;
}