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ipq807x: bring back the ubidetach -f patch
Fixes: WIFI-13681 Signed-off-by: John Crispin <john@phrozen.org>
This commit is contained in:
John Crispin
205
patches/0071-ipq807x-add-ubi-force-detach-patch.patch
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205
patches/0071-ipq807x-add-ubi-force-detach-patch.patch
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@@ -0,0 +1,205 @@
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From 3dd22aa711f2f8c8e968d21cbac85beb713760af Mon Sep 17 00:00:00 2001
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From: John Crispin <john@phrozen.org>
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Date: Sun, 16 Jul 2023 17:21:04 +0200
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Subject: [PATCH 41/43] ipq807x: add ubi force detach patch
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Signed-off-by: John Crispin <john@phrozen.org>
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---
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.../patches/131-add_ubi_force_detach.patch | 185 ++++++++++++++++++
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1 file changed, 185 insertions(+)
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create mode 100644 package/utils/mtd-utils/patches/131-add_ubi_force_detach.patch
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diff --git a/package/utils/mtd-utils/patches/131-add_ubi_force_detach.patch b/package/utils/mtd-utils/patches/131-add_ubi_force_detach.patch
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new file mode 100644
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index 0000000000..f3cd6a6b28
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--- /dev/null
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+++ b/package/utils/mtd-utils/patches/131-add_ubi_force_detach.patch
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@@ -0,0 +1,185 @@
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+--- a/include/mtd/ubi-user.h
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++++ b/include/mtd/ubi-user.h
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+@@ -176,6 +176,7 @@
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+ #define UBI_IOCATT _IOW(UBI_CTRL_IOC_MAGIC, 64, struct ubi_attach_req)
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+ /* Detach an MTD device */
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+ #define UBI_IOCDET _IOW(UBI_CTRL_IOC_MAGIC, 65, int32_t)
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++#define UBI_IOCFDET _IOW(UBI_CTRL_IOC_MAGIC, 99, int32_t)
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+
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+ /* ioctl commands of UBI volume character devices */
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+
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+--- a/include/libubi.h
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++++ b/include/libubi.h
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+@@ -48,6 +48,7 @@ typedef void * libubi_t;
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+ * number)
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+ * @mtd_num: MTD device number to attach (used if @mtd_dev_node is %NULL)
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+ * @mtd_dev_node: path to MTD device node to attach
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++ * @force: set if the device should be removed even if it's busy
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+ * @vid_hdr_offset: VID header offset (%0 means default offset and this is what
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+ * most of the users want)
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+ * @max_beb_per1024: Maximum expected bad eraseblocks per 1024 eraseblocks
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+@@ -240,29 +241,33 @@ int ubi_attach(libubi_t desc, const char
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+ * corresponding UBI device is removed. Returns zero in case of success and %-1
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+ * in case of failure.
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+ */
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+-int ubi_detach_mtd(libubi_t desc, const char *node, int mtd_num);
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++int ubi_detach_mtd(libubi_t desc, const char *node, int mtd_num, int force);
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+
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+ /**
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+ * ubi_detach - detach an MTD device by its node path.
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+ * @desc: UBI library descriptor
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+ * @node: name of the UBI control character device node
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+ * @mtd_dev_node: path to an MTD device node
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++ * @force: set if the device should be removed even if it's busy
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+ *
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+ * This function detaches an MTD device @mtd_dev_node from UBI. Returns zero in
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+ * case of success and %-1 in case of failure.
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+ */
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+-int ubi_detach(libubi_t desc, const char *node, const char *mtd_dev_node);
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++int ubi_detach(libubi_t desc, const char *node, const char *mtd_dev_node,
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++ int force);
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+
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+ /**
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+ * ubi_remove_dev - remove an UBI device.
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+ * @desc: UBI library descriptor
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+ * @node: name of the UBI control character device node
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+ * @ubi_dev: UBI device number to remove
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++ * @force: set if the device should be removed even if it's busy
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+ *
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+ * This function removes UBI device number @ubi_dev and returns zero in case of
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+ * success and %-1 in case of failure.
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+ */
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+-int ubi_remove_dev(libubi_t desc, const char *node, int ubi_dev);
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++int ubi_remove_dev(libubi_t desc, const char *node, int ubi_dev,
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++ int force);
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+
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+ /**
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+ * ubi_mkvol - create an UBI volume.
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+--- a/lib/libubi.c
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++++ b/lib/libubi.c
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+@@ -808,7 +808,7 @@ int ubi_attach(libubi_t desc, const char
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+ return ret;
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+ }
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+
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+-int ubi_detach_mtd(libubi_t desc, const char *node, int mtd_num)
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++int ubi_detach_mtd(libubi_t desc, const char *node, int mtd_num, int force)
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+ {
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+ int ret, ubi_dev;
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+
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+@@ -818,10 +818,11 @@ int ubi_detach_mtd(libubi_t desc, const
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+ return ret;
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+ }
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+
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+- return ubi_remove_dev(desc, node, ubi_dev);
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++ return ubi_remove_dev(desc, node, ubi_dev, force);
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+ }
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+
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+-int ubi_detach(libubi_t desc, const char *node, const char *mtd_dev_node)
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++int ubi_detach(libubi_t desc, const char *node, const char *mtd_dev_node,
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++ int force)
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+ {
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+ int mtd_num;
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+
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+@@ -834,10 +835,10 @@ int ubi_detach(libubi_t desc, const char
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+ if (mtd_num == -1)
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+ return -1;
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+
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+- return ubi_detach_mtd(desc, node, mtd_num);
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++ return ubi_detach_mtd(desc, node, mtd_num, force);
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+ }
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+
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+-int ubi_remove_dev(libubi_t desc, const char *node, int ubi_dev)
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++int ubi_remove_dev(libubi_t desc, const char *node, int ubi_dev, int force)
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+ {
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+ int fd, ret;
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+
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+@@ -847,6 +848,10 @@ int ubi_remove_dev(libubi_t desc, const
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+ if (fd == -1)
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+ return sys_errmsg("cannot open \"%s\"", node);
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+ ret = ioctl(fd, UBI_IOCDET, &ubi_dev);
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++ if (force)
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++ ret = ioctl(fd, UBI_IOCFDET, &ubi_dev);
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++ else
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++ ret = ioctl(fd, UBI_IOCDET, &ubi_dev);
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+ if (ret == -1)
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+ goto out_close;
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+
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+--- a/ubi-utils/ubidetach.c
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++++ b/ubi-utils/ubidetach.c
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+@@ -40,6 +40,7 @@ struct args {
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+ int mtdn;
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+ const char *node;
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+ const char *dev;
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++ int force;
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+ };
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+
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+ static struct args args = {
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+@@ -47,6 +48,7 @@ static struct args args = {
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+ .mtdn = -1,
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+ .node = NULL,
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+ .dev = NULL,
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++ .force = 0,
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+ };
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+
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+ static const char doc[] = PROGRAM_NAME " version " VERSION
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+@@ -56,13 +58,14 @@ static const char optionsstr[] =
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+ "-d, --devn=<UBI device number> UBI device number to delete\n"
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+ "-p, --dev-path=<path to device> or alternatively, MTD device node path to detach\n"
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+ "-m, --mtdn=<MTD device number> or alternatively, MTD device number to detach\n"
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++"-f, --force Force UBI detach even if it is still busy\n"
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+ "-h, --help print help message\n"
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+ "-V, --version print program version";
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+
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+ static const char usage[] =
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+ "Usage: " PROGRAM_NAME " [<UBI control device node file name>]\n"
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+ "\t[-d <UBI device number>] [-m <MTD device number>] [-p <path to device>]\n"
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+-"\t[--devn=<UBI device number>] [--mtdn=<MTD device number>]\n"
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++"\t[--devn=<UBI device number>] [--mtdn=<MTD device number>] [-f]\n"
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+ "\t[--dev-path=<path to device>]\n"
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+ "UBI control device defaults to " DEFAULT_CTRL_DEV " if not supplied.\n"
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+ "Example 1: " PROGRAM_NAME " -p /dev/mtd0 - detach MTD device /dev/mtd0\n"
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+@@ -83,7 +86,7 @@ static int parse_opt(int argc, char * co
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+ while (1) {
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+ int key, error = 0;
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+
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+- key = getopt_long(argc, argv, "p:m:d:hV", long_options, NULL);
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++ key = getopt_long(argc, argv, "p:m:d:fhV", long_options, NULL);
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+ if (key == -1)
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+ break;
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+
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+@@ -104,6 +107,9 @@ static int parse_opt(int argc, char * co
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+ return errmsg("bad MTD device number: \"%s\"", optarg);
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+
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+ break;
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++ case 'f':
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++ args.force = 1;
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++ break;
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+
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+ case 'h':
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+ printf("%s\n\n", doc);
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+@@ -176,20 +182,22 @@ int main(int argc, char * const argv[])
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+ }
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+
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+ if (args.devn != -1) {
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+- err = ubi_remove_dev(libubi, args.node, args.devn);
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++ err = ubi_remove_dev(libubi, args.node, args.devn, args.force);
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+ if (err) {
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+ sys_errmsg("cannot remove ubi%d", args.devn);
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+ goto out_libubi;
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+ }
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+ } else {
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+ if (args.dev != NULL) {
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+- err = ubi_detach(libubi, args.node, args.dev);
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++ err = ubi_detach(libubi, args.node, args.dev,
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++ args.force);
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+ if (err) {
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+ sys_errmsg("cannot detach \"%s\"", args.dev);
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+ goto out_libubi;
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+ }
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+ } else {
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+- err = ubi_detach_mtd(libubi, args.node, args.mtdn);
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++ err = ubi_detach_mtd(libubi, args.node, args.mtdn,
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++ args.force);
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+ if (err) {
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+ sys_errmsg("cannot detach mtd%d", args.mtdn);
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+ goto out_libubi;
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--
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2.34.1
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