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From: Sascha Hauer <s.hauer@pengutronix.de>
To: Barebox List <barebox@lists.infradead.org>
Subject: [PATCH 18/18] of_firmware: Fix handling of firmware-name property
Date: Thu, 24 Jun 2021 10:52:23 +0200	[thread overview]
Message-ID: <20210624085223.14616-19-s.hauer@pengutronix.de> (raw)
In-Reply-To: <20210624085223.14616-1-s.hauer@pengutronix.de>

The fpga-region binding states that the firmware-name property must be
in the same node as the fpga-region compatible, so checking for this
compatible when walking up the parents is wrong. Instead, only test for
it in the target node. Also, when the current node is not a fpga-region
we must return successfully.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 drivers/of/of_firmware.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/drivers/of/of_firmware.c b/drivers/of/of_firmware.c
index 2d8245a02e..687e675302 100644
--- a/drivers/of/of_firmware.c
+++ b/drivers/of/of_firmware.c
@@ -11,11 +11,9 @@ static struct firmware_mgr *of_node_get_mgr(struct device_node *np)
 	struct device_node *mgr_node;
 
 	do {
-		if (of_device_is_compatible(np, "fpga-region")) {
-			mgr_node = of_parse_phandle(np, "fpga-mgr", 0);
-			if (mgr_node)
-				return firmwaremgr_find_by_node(mgr_node);
-		}
+		mgr_node = of_parse_phandle(np, "fpga-mgr", 0);
+		if (mgr_node)
+			return firmwaremgr_find_by_node(mgr_node);
 	} while ((np = of_get_parent(np)) != NULL);
 
 	return NULL;
@@ -48,6 +46,9 @@ static int load_firmware(struct device_node *target,
 	if (!target)
 		return -EINVAL;
 
+	if (!of_device_is_compatible(target, "fpga-region"))
+		return 0;
+
 	mgr = of_node_get_mgr(target);
 	if (!mgr)
 		return -EINVAL;
-- 
2.29.2


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      parent reply	other threads:[~2021-06-24  8:57 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-24  8:52 [PATCH v3 00/18] Apply device tree overlays to kernel tree Sascha Hauer
2021-06-24  8:52 ` [PATCH 01/18] of: of_copy_node(): Copy phandles as well Sascha Hauer
2021-06-24  8:52 ` [PATCH 02/18] of: Add function to duplicate a device tree Sascha Hauer
2021-06-24  8:52 ` [PATCH 03/18] fdt: Check blob size during unflattening Sascha Hauer
2021-06-24  8:52 ` [PATCH 04/18] firmware: make device_node argument non const Sascha Hauer
2021-06-24  8:52 ` [PATCH 05/18] libbb: Add find_path function Sascha Hauer
2021-06-24  8:52 ` [PATCH 06/18] firmware: consolidate ifdefs Sascha Hauer
2021-06-24  8:52 ` [PATCH 07/18] firmware: Add search path Sascha Hauer
2021-06-24  8:52 ` [PATCH 08/18] firmware: Fix device_node matching Sascha Hauer
2021-06-24  8:52 ` [PATCH 09/18] firmware: recognize by reproducible name Sascha Hauer
2021-06-24  8:52 ` [PATCH 10/18] blspec: Set firmware searchpath Sascha Hauer
2021-06-24  8:52 ` [PATCH 11/18] overlay: Add of_overlay_apply_file() Sascha Hauer
2021-06-24  8:52 ` [PATCH 12/18] firmware: Load from global search path Sascha Hauer
2021-06-24  8:52 ` [PATCH 13/18] blspec: Rework firmware load Sascha Hauer
2021-06-24  8:52 ` [PATCH 14/18] overlay: Add filters to choose which overlays to apply Sascha Hauer
2021-06-28 18:58   ` Michael Riesch
2021-06-28 20:13     ` Sascha Hauer
2021-06-24  8:52 ` [PATCH 15/18] blspec: Apply overlays from rootfs Sascha Hauer
2021-06-24  8:52 ` [PATCH 16/18] doc: devicetree: Refer to internal device tree also as live tree Sascha Hauer
2021-06-24  8:52 ` [PATCH 17/18] Documentation: Add documentation for device tree overlays Sascha Hauer
2021-06-24  8:52 ` Sascha Hauer [this message]

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