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From: Sascha Hauer <s.hauer@pengutronix.de>
To: Barebox List <barebox@lists.infradead.org>
Subject: [PATCH 08/17] blspec: Set firmware searchpath
Date: Wed, 23 Jun 2021 07:16:23 +0200	[thread overview]
Message-ID: <20210623051632.30253-9-s.hauer@pengutronix.de> (raw)
In-Reply-To: <20210623051632.30253-1-s.hauer@pengutronix.de>

When bootloader spec triggers dt overlay loading then this might
also trigger loading firmware. This firmware should be looked for
relative to the filesystem providing the bootloader spec files,
so add that to the firmware search path.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 common/blspec.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/common/blspec.c b/common/blspec.c
index 056c0dbf7f..c39805cb0b 100644
--- a/common/blspec.c
+++ b/common/blspec.c
@@ -122,6 +122,8 @@ static int blspec_boot(struct bootentry *be, int verbose, int dryrun)
 	const char *abspath, *devicetree, *options, *initrd, *linuximage;
 	const char *overlays;
 	const char *appendroot;
+	const char *old_fws;
+	char *fws;
 	struct bootm_data data = {
 		.dryrun = dryrun,
 	};
@@ -184,9 +186,20 @@ static int blspec_boot(struct bootentry *be, int verbose, int dryrun)
 			(entry->cdev && entry->cdev->dev) ?
 			dev_name(entry->cdev->dev) : "none");
 
+	old_fws = firmware_get_searchpath();
+	if (old_fws && *old_fws)
+		fws = basprintf("%s/lib/firmware:%s", abspath, old_fws);
+	else
+		fws = basprintf("%s/lib/firmware", abspath);
+	firmware_set_searchpath(fws);
+	free(fws);
+
 	ret = bootm_boot(&data);
 	if (ret)
 		pr_err("Booting failed\n");
+
+	firmware_set_searchpath(old_fws);
+
 err_out:
 	free((char *)data.oftree_file);
 	free((char *)data.initrd_file);
-- 
2.29.2


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  parent reply	other threads:[~2021-06-23  5:19 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-23  5:16 [PATCH v2 00/17] Apply device tree overlays to kernel tree Sascha Hauer
2021-06-23  5:16 ` [PATCH 01/17] fdt: Check blob size during unflattening Sascha Hauer
2021-06-23  5:16 ` [PATCH 02/17] firmware: make device_node argument non const Sascha Hauer
2021-06-23  5:16 ` [PATCH 03/17] libbb: Add find_path function Sascha Hauer
2021-06-23  5:16 ` [PATCH 04/17] firmware: consolidate ifdefs Sascha Hauer
2021-06-23  5:16 ` [PATCH 05/17] firmware: Add search path Sascha Hauer
2021-06-23  5:16 ` [PATCH 06/17] firmware: Fix device_node matching Sascha Hauer
2021-06-23  5:16 ` [PATCH 07/17] firmware: recognize by reproducible name Sascha Hauer
2021-06-23  5:16 ` Sascha Hauer [this message]
2021-06-23  5:16 ` [PATCH 09/17] overlay: only apply compatible trees Sascha Hauer
2021-06-23  5:16 ` [PATCH 10/17] overlay: Add of_overlay_apply_file() Sascha Hauer
2021-06-23  5:16 ` [PATCH 11/17] firmware: Load from global search path Sascha Hauer
2021-06-23  5:16 ` [PATCH 12/17] blspec: Rework firmware load Sascha Hauer
2021-06-23  5:16 ` [PATCH 13/17] of_overlay: apply overlays during booting Sascha Hauer
2021-06-23  5:16 ` [PATCH 14/17] blspec: Apply overlays from rootfs Sascha Hauer
2021-06-23  5:16 ` [PATCH 15/17] doc: devicetree: Refer to internal device tree also as live tree Sascha Hauer
2021-06-23  5:16 ` [PATCH 16/17] Documentation: Add documentation for device tree overlays Sascha Hauer
2021-06-23  6:13   ` Ahmad Fatoum
2021-06-23 19:37     ` Trent Piepho
2021-06-24  8:48       ` Sascha Hauer
2021-06-23  5:16 ` [PATCH 17/17] of_firmware: Fix handling of firmware-name property Sascha Hauer
  -- strict thread matches above, loose matches on Subject: below --
2021-03-10 13:28 [PATCH 00/17] Apply device tree overlays to kernel tree Sascha Hauer
2021-03-10 13:28 ` [PATCH 08/17] blspec: Set firmware searchpath Sascha Hauer

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