diff mbox series

[5.8,388/633] mtd: hyperbus: hbmc-am654: Fix direct mapping setup flash access

Message ID 20201027135540.908623141@linuxfoundation.org
State Superseded
Headers show
Series None | expand

Commit Message

Greg Kroah-Hartman Oct. 27, 2020, 1:52 p.m. UTC 
From: Vignesh Raghavendra <vigneshr@ti.com>

[ Upstream commit aca31ce96814c84d1a41aaa109c15abe61005af7 ]

Setting up of direct mapping should be done with flash node's IO
address space and not with controller's IO region.

Fixes: b6fe8bc67d2d3 ("mtd: hyperbus: move direct mapping setup to AM654 HBMC driver")
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Link: https://lore.kernel.org/r/20200924081214.16934-3-vigneshr@ti.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/mtd/hyperbus/hbmc-am654.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/drivers/mtd/hyperbus/hbmc-am654.c b/drivers/mtd/hyperbus/hbmc-am654.c
index f350a0809f880..a808fa28cd9a1 100644
--- a/drivers/mtd/hyperbus/hbmc-am654.c
+++ b/drivers/mtd/hyperbus/hbmc-am654.c
@@ -70,7 +70,8 @@  static int am654_hbmc_probe(struct platform_device *pdev)
 
 	platform_set_drvdata(pdev, priv);
 
-	ret = of_address_to_resource(np, 0, &res);
+	priv->hbdev.np = of_get_next_child(np, NULL);
+	ret = of_address_to_resource(priv->hbdev.np, 0, &res);
 	if (ret)
 		return ret;
 
@@ -103,7 +104,6 @@  static int am654_hbmc_probe(struct platform_device *pdev)
 	priv->ctlr.dev = dev;
 	priv->ctlr.ops = &am654_hbmc_ops;
 	priv->hbdev.ctlr = &priv->ctlr;
-	priv->hbdev.np = of_get_next_child(dev->of_node, NULL);
 	ret = hyperbus_register_device(&priv->hbdev);
 	if (ret) {
 		dev_err(dev, "failed to register controller\n");