[U-Boot] [PATCH 3/5] mtd: rawnand: denali: add reset handling

[Simon Goldschmidt]

This adds reset handling to the devicetree-enabled denalid nand driver.

For backwards compatibility, only a warning is printed when failing to
get reset handles.

Signed-off-by: Simon Goldschmidt <simon.k.r.goldschmidt at gmail.com>
---

 drivers/mtd/nand/raw/denali_dt.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/mtd/nand/raw/denali_dt.c b/drivers/mtd/nand/raw/denali_dt.c
index d384b974df..21c4540637 100644
--- a/drivers/mtd/nand/raw/denali_dt.c
+++ b/drivers/mtd/nand/raw/denali_dt.c
@@ -9,6 +9,7 @@
 #include <linux/io.h>
 #include <linux/ioport.h>
 #include <linux/printk.h>
+#include <reset.h>
 
 #include "denali.h"
 
@@ -64,6 +65,7 @@ static int denali_dt_probe(struct udevice *dev)
 	const struct denali_dt_data *data;
 	struct clk clk, clk_x, clk_ecc;
 	struct resource res;
+	struct reset_ctl_bulk reset_bulk;
 	int ret;
 
 	data = (void *)dev_get_driver_data(dev);
@@ -131,6 +133,12 @@ static int denali_dt_probe(struct udevice *dev)
 		denali->clk_x_rate = 200000000;
 	}
 
+	ret = reset_get_bulk(bus, &reset_bulk);
+	if (ret)
+		dev_warn(bus, "Cant' get reset: %d\n", ret);
+	else
+		reset_deassert_bulk(&reset_bulk);
+
 	return denali_init(denali);
 }
 
-- 
2.17.1