kernel: remove linux 4.1 support

The only target still referencing it is omap24xx, and it is marked as
broken.

Signed-off-by: Felix Fietkau <nbd@nbd.name>

1 files changed, 0 insertions, 76 deletions

diff --git a/target/linux/generic/patches-4.1/490-ubi-auto-attach-mtd-device-named-ubi-or-data-on-boot.patch b/target/linux/generic/patches-4.1/490-ubi-auto-attach-mtd-device-named-ubi-or-data-on-boot.patch
deleted file mode 100644
index 7afc1386b1..0000000000
--- a/target/linux/generic/patches-4.1/490-ubi-auto-attach-mtd-device-named-ubi-or-data-on-boot.patch
+++ /dev/null
@@ -1,76 +0,0 @@
-From 8a52e4100d7c3a4a1dfddfa02b8864a9b0068c13 Mon Sep 17 00:00:00 2001
-From: Daniel Golle <daniel@makrotopia.org>
-Date: Sat, 17 May 2014 03:36:18 +0200
-Subject: [PATCH 1/5] ubi: auto-attach mtd device named "ubi" or "data" on boot
-To: openwrt-devel@lists.openwrt.org
-
-Signed-off-by: Daniel Golle <daniel@makrotopia.org>
----
- drivers/mtd/ubi/build.c | 36 ++++++++++++++++++++++++++++++++++++
- 1 file changed, 36 insertions(+)
-
---- a/drivers/mtd/ubi/build.c
-+++ b/drivers/mtd/ubi/build.c
-@@ -1221,6 +1221,49 @@ static struct mtd_info * __init open_mtd
- 	return mtd;
- }
- 
-+/*
-+ * This function tries attaching mtd partitions named either "ubi" or "data"
-+ * during boot.
-+ */
-+static void __init ubi_auto_attach(void)
-+{
-+	int err;
-+	struct mtd_info *mtd;
-+
-+	/* try attaching mtd device named "ubi" or "data" */
-+	mtd = open_mtd_device("ubi");
-+	if (IS_ERR(mtd))
-+		mtd = open_mtd_device("data");
-+
-+	if (!IS_ERR(mtd)) {
-+		size_t len;
-+		char magic[4];
-+
-+		/* check for a valid ubi magic */
-+		err = mtd_read(mtd, 0, 4, &len, (void *) magic);
-+		if (!err && len == 4 && strncmp(magic, "UBI#", 4)) {
-+			pr_err("UBI error: no valid UBI magic found inside mtd%d", mtd->index);
-+			put_mtd_device(mtd);
-+			return;
-+		}
-+
-+		/* auto-add only media types where UBI makes sense */
-+		if (mtd->type == MTD_NANDFLASH ||
-+		    mtd->type == MTD_NORFLASH ||
-+		    mtd->type == MTD_DATAFLASH ||
-+		    mtd->type == MTD_MLCNANDFLASH) {
-+			mutex_lock(&ubi_devices_mutex);
-+			pr_notice("UBI: auto-attach mtd%d", mtd->index);
-+			err = ubi_attach_mtd_dev(mtd, UBI_DEV_NUM_AUTO, 0, 0);
-+			mutex_unlock(&ubi_devices_mutex);
-+			if (err < 0) {
-+				pr_err("UBI error: cannot attach mtd%d", mtd->index);
-+				put_mtd_device(mtd);
-+			}
-+		}
-+	}
-+}
-+
- static int __init ubi_init(void)
- {
- 	int err, i, k;
-@@ -1313,6 +1356,12 @@ static int __init ubi_init(void)
- 		}
- 	}
- 
-+	/* auto-attach mtd devices only if built-in to the kernel and no ubi.mtd
-+	 * parameter was given */
-+	if (config_enabled(CONFIG_MTD_ROOTFS_ROOT_DEV) &&
-+	    !ubi_is_module() && !mtd_devs)
-+		ubi_auto_attach();
-+
- 	err = ubiblock_init();
- 	if (err) {
- 		pr_err("UBI error: block: cannot initialize, error %d", err);