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authorMichal Simek <michal.simek@xilinx.com>2020-02-25 14:40:42 +0100
committerMichal Simek <michal.simek@xilinx.com>2020-04-06 12:52:15 +0200
commit3811746ed9b48c8a538fc6a6edfe91aaf9acb76a (patch)
tree68d578afbe2f7aac9ab4f410471677363ac531b3 /drivers/mtd
parent36f1f3b640c52c9d28a92675b579c2905cee9c8f (diff)
nand: raw: zynq: Do not try to probe driver if nand flash is disabled
There is no reason to continue when DT status property indicates that NAND flash is disabled. But that means that NOR flash should be present that's why try it find it out. Signed-off-by: Michal Simek <michal.simek@xilinx.com> Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
Diffstat (limited to 'drivers/mtd')
-rw-r--r--drivers/mtd/nand/raw/zynq_nand.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/mtd/nand/raw/zynq_nand.c b/drivers/mtd/nand/raw/zynq_nand.c
index 7039149692..0aea83dac0 100644
--- a/drivers/mtd/nand/raw/zynq_nand.c
+++ b/drivers/mtd/nand/raw/zynq_nand.c
@@ -1090,6 +1090,11 @@ static int zynq_nand_probe(struct udevice *dev)
return -ENODEV;
}
+ if (!ofnode_is_available(of_nand)) {
+ debug("Nand node in dt disabled\n");
+ return dm_scan_fdt_dev(dev);
+ }
+
if (ofnode_read_resource(of_nand, 0, &res)) {
printf("Failed to get nand resource\n");
return -ENODEV;