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2b4986b942
It's required for sysupgrade which requires: 1. Flashing new firmware 2. Finding updated bootfs partition 3. Updating bootfs content Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
29 lines
690 B
Diff
29 lines
690 B
Diff
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
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Date: Mon, 22 Mar 2021 07:15:17 +0100
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Subject: [PATCH] mtd: support BLKRRPART
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Rescan MTD subpartitions on request.
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Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
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---
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--- a/drivers/mtd/mtdchar.c
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+++ b/drivers/mtd/mtdchar.c
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@@ -1015,8 +1015,11 @@ static int mtdchar_ioctl(struct file *fi
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case BLKRRPART:
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{
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- /* No reread partition feature. Just return ok */
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- ret = 0;
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+ int nr_parts;
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+
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+ del_mtd_partitions(mtd);
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+ nr_parts = parse_mtd_partitions(mtd, NULL, NULL);
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+ ret = nr_parts < 0 ? nr_parts : 0;
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break;
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}
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}
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