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authorFelix Fietkau <nbd@nbd.name>2017-01-09 14:00:24 +0100
committerFelix Fietkau <nbd@nbd.name>2017-01-09 14:07:06 +0100
commit018d80007e6d9469077d938872e605f826010767 (patch)
tree1bf3e9b895f7ab5f610e01afa34184e7ce2afc08 /target
parent8d2171e46915528fe4034054c446b5a47d20e4a1 (diff)
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kernel: remove ubifs xz decompression support
It has been unused, and less useful than squashfs for cases where flash space usage matters. Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'target')
-rw-r--r--target/linux/apm821xx/config-4.42
-rw-r--r--target/linux/at91/config-4.41
-rw-r--r--target/linux/bcm53xx/config-4.42
-rw-r--r--target/linux/generic/config-3.181
-rw-r--r--target/linux/generic/config-4.11
-rw-r--r--target/linux/generic/config-4.41
-rw-r--r--target/linux/generic/patches-3.18/540-crypto-xz-decompression-support.patch146
-rw-r--r--target/linux/generic/patches-3.18/541-ubifs-xz-decompression-support.patch92
-rw-r--r--target/linux/generic/patches-4.1/540-crypto-xz-decompression-support.patch146
-rw-r--r--target/linux/generic/patches-4.1/541-ubifs-xz-decompression-support.patch92
-rw-r--r--target/linux/generic/patches-4.4/540-crypto-xz-decompression-support.patch146
-rw-r--r--target/linux/generic/patches-4.4/541-ubifs-xz-decompression-support.patch94
-rw-r--r--target/linux/imx6/config-4.42
-rw-r--r--target/linux/ipq806x/config-4.42
-rw-r--r--target/linux/kirkwood/config-4.41
-rw-r--r--target/linux/lantiq/xrx200/config-default1
-rw-r--r--target/linux/lantiq/xway/config-default1
-rw-r--r--target/linux/layerscape/32b/config-default1
-rw-r--r--target/linux/mediatek/config-4.42
-rw-r--r--target/linux/mvebu/config-4.42
-rw-r--r--target/linux/omap/config-4.42
-rw-r--r--target/linux/oxnas/config-4.42
-rw-r--r--target/linux/ramips/mt7621/config-4.41
-rw-r--r--target/linux/rb532/config-4.42
-rw-r--r--target/linux/xburst/config-3.182
25 files changed, 0 insertions, 745 deletions
diff --git a/target/linux/apm821xx/config-4.4 b/target/linux/apm821xx/config-4.4
index 797cdae..68e22ec 100644
--- a/target/linux/apm821xx/config-4.4
+++ b/target/linux/apm821xx/config-4.4
@@ -59,7 +59,6 @@ CONFIG_CRYPTO_MD5_PPC=y
CONFIG_CRYPTO_RNG2=y
CONFIG_CRYPTO_SHA1_PPC=y
CONFIG_CRYPTO_WORKQUEUE=y
-CONFIG_CRYPTO_XZ=y
CONFIG_DECOMPRESS_GZIP=y
# CONFIG_DEFAULT_UIMAGE is not set
CONFIG_DTC=y
@@ -315,7 +314,6 @@ CONFIG_TICK_CPU_ACCOUNTING=y
# CONFIG_UBIFS_FS is not set
# CONFIG_UBIFS_FS_ADVANCED_COMPR is not set
# CONFIG_UBIFS_FS_LZO is not set
-# CONFIG_UBIFS_FS_XZ is not set
# CONFIG_UBIFS_FS_ZLIB is not set
CONFIG_USB_SUPPORT=y
CONFIG_VDSO32=y
diff --git a/target/linux/at91/config-4.4 b/target/linux/at91/config-4.4
index 37b98c1..86d3a05 100644
--- a/target/linux/at91/config-4.4
+++ b/target/linux/at91/config-4.4
@@ -257,7 +257,6 @@ CONFIG_TICK_CPU_ACCOUNTING=y
CONFIG_UBIFS_FS=y
CONFIG_UBIFS_FS_ADVANCED_COMPR=y
CONFIG_UBIFS_FS_LZO=y
-# CONFIG_UBIFS_FS_XZ is not set
CONFIG_UBIFS_FS_ZLIB=y
CONFIG_UNCOMPRESS_INCLUDE="debug/uncompress.h"
CONFIG_USB_SUPPORT=y
diff --git a/target/linux/bcm53xx/config-4.4 b/target/linux/bcm53xx/config-4.4
index e6e6e50..c178271 100644
--- a/target/linux/bcm53xx/config-4.4
+++ b/target/linux/bcm53xx/config-4.4
@@ -104,7 +104,6 @@ CONFIG_CRYPTO_DEFLATE=y
CONFIG_CRYPTO_LZO=y
CONFIG_CRYPTO_RNG2=y
CONFIG_CRYPTO_WORKQUEUE=y
-CONFIG_CRYPTO_XZ=y
CONFIG_DCACHE_WORD_ACCESS=y
CONFIG_DEBUG_BCM_5301X=y
CONFIG_DEBUG_INFO=y
@@ -309,7 +308,6 @@ CONFIG_TREE_RCU=y
CONFIG_UBIFS_FS=y
# CONFIG_UBIFS_FS_ADVANCED_COMPR is not set
CONFIG_UBIFS_FS_LZO=y
-CONFIG_UBIFS_FS_XZ=y
CONFIG_UBIFS_FS_ZLIB=y
CONFIG_UNCOMPRESS_INCLUDE="debug/uncompress.h"
CONFIG_USB_SUPPORT=y
diff --git a/target/linux/generic/config-3.18 b/target/linux/generic/config-3.18
index c61a4b3..3734416 100644
--- a/target/linux/generic/config-3.18
+++ b/target/linux/generic/config-3.18
@@ -790,7 +790,6 @@ CONFIG_CRYPTO_PCRYPT=y
# CONFIG_CRYPTO_WP512 is not set
# CONFIG_CRYPTO_XCBC is not set
# CONFIG_CRYPTO_XTS is not set
-# CONFIG_CRYPTO_XZ is not set
# CONFIG_CRYPTO_ZLIB is not set
# CONFIG_CRYSTALHD is not set
# CONFIG_CS5535_MFGPT is not set
diff --git a/target/linux/generic/config-4.1 b/target/linux/generic/config-4.1
index 4fae342..222ba26 100644
--- a/target/linux/generic/config-4.1
+++ b/target/linux/generic/config-4.1
@@ -822,7 +822,6 @@ CONFIG_CRYPTO_PCRYPT=y
# CONFIG_CRYPTO_WP512 is not set
# CONFIG_CRYPTO_XCBC is not set
# CONFIG_CRYPTO_XTS is not set
-# CONFIG_CRYPTO_XZ is not set
# CONFIG_CRYPTO_ZLIB is not set
# CONFIG_CRYSTALHD is not set
# CONFIG_CS5535_MFGPT is not set
diff --git a/target/linux/generic/config-4.4 b/target/linux/generic/config-4.4
index 8ce316b..a654878 100644
--- a/target/linux/generic/config-4.4
+++ b/target/linux/generic/config-4.4
@@ -823,7 +823,6 @@ CONFIG_CRYPTO_PCRYPT=y
# CONFIG_CRYPTO_WP512 is not set
# CONFIG_CRYPTO_XCBC is not set
# CONFIG_CRYPTO_XTS is not set
-# CONFIG_CRYPTO_XZ is not set
# CONFIG_CRYPTO_ZLIB is not set
# CONFIG_CS5535_MFGPT is not set
# CONFIG_CS89x0 is not set
diff --git a/target/linux/generic/patches-3.18/540-crypto-xz-decompression-support.patch b/target/linux/generic/patches-3.18/540-crypto-xz-decompression-support.patch
deleted file mode 100644
index 00b0b7c..0000000
--- a/target/linux/generic/patches-3.18/540-crypto-xz-decompression-support.patch
+++ /dev/null
@@ -1,146 +0,0 @@
---- a/crypto/Kconfig
-+++ b/crypto/Kconfig
-@@ -1437,6 +1437,13 @@ config CRYPTO_LZ4HC
- help
- This is the LZ4 high compression mode algorithm.
-
-+config CRYPTO_XZ
-+ tristate "XZ compression algorithm"
-+ select CRYPTO_ALGAPI
-+ select XZ_DEC
-+ help
-+ This is the XZ algorithm. Only decompression is supported for now.
-+
- comment "Random Number Generation"
-
- config CRYPTO_ANSI_CPRNG
---- a/crypto/Makefile
-+++ b/crypto/Makefile
-@@ -89,6 +89,7 @@ obj-$(CONFIG_CRYPTO_AUTHENC) += authenc.
- obj-$(CONFIG_CRYPTO_LZO) += lzo.o
- obj-$(CONFIG_CRYPTO_LZ4) += lz4.o
- obj-$(CONFIG_CRYPTO_LZ4HC) += lz4hc.o
-+obj-$(CONFIG_CRYPTO_XZ) += xz.o
- obj-$(CONFIG_CRYPTO_842) += 842.o
- obj-$(CONFIG_CRYPTO_RNG2) += rng.o
- obj-$(CONFIG_CRYPTO_RNG2) += krng.o
---- /dev/null
-+++ b/crypto/xz.c
-@@ -0,0 +1,117 @@
-+/*
-+ * Cryptographic API.
-+ *
-+ * XZ decompression support.
-+ *
-+ * Copyright (c) 2012 Gabor Juhos <juhosg@openwrt.org>
-+ *
-+ * This program is free software; you can redistribute it and/or modify it
-+ * under the terms of the GNU General Public License version 2 as published by
-+ * the Free Software Foundation.
-+ *
-+ */
-+#include <linux/init.h>
-+#include <linux/module.h>
-+#include <linux/crypto.h>
-+#include <linux/xz.h>
-+#include <linux/interrupt.h>
-+#include <linux/mm.h>
-+#include <linux/net.h>
-+
-+struct xz_comp_ctx {
-+ struct xz_dec *decomp_state;
-+ struct xz_buf decomp_buf;
-+};
-+
-+static int crypto_xz_decomp_init(struct xz_comp_ctx *ctx)
-+{
-+ ctx->decomp_state = xz_dec_init(XZ_SINGLE, 0);
-+ if (!ctx->decomp_state)
-+ return -ENOMEM;
-+
-+ return 0;
-+}
-+
-+static void crypto_xz_decomp_exit(struct xz_comp_ctx *ctx)
-+{
-+ xz_dec_end(ctx->decomp_state);
-+}
-+
-+static int crypto_xz_init(struct crypto_tfm *tfm)
-+{
-+ struct xz_comp_ctx *ctx = crypto_tfm_ctx(tfm);
-+
-+ return crypto_xz_decomp_init(ctx);
-+}
-+
-+static void crypto_xz_exit(struct crypto_tfm *tfm)
-+{
-+ struct xz_comp_ctx *ctx = crypto_tfm_ctx(tfm);
-+
-+ crypto_xz_decomp_exit(ctx);
-+}
-+
-+static int crypto_xz_compress(struct crypto_tfm *tfm, const u8 *src,
-+ unsigned int slen, u8 *dst, unsigned int *dlen)
-+{
-+ return -EOPNOTSUPP;
-+}
-+
-+static int crypto_xz_decompress(struct crypto_tfm *tfm, const u8 *src,
-+ unsigned int slen, u8 *dst, unsigned int *dlen)
-+{
-+ struct xz_comp_ctx *dctx = crypto_tfm_ctx(tfm);
-+ struct xz_buf *xz_buf = &dctx->decomp_buf;
-+ int ret;
-+
-+ memset(xz_buf, '\0', sizeof(struct xz_buf));
-+
-+ xz_buf->in = (u8 *) src;
-+ xz_buf->in_pos = 0;
-+ xz_buf->in_size = slen;
-+ xz_buf->out = (u8 *) dst;
-+ xz_buf->out_pos = 0;
-+ xz_buf->out_size = *dlen;
-+
-+ ret = xz_dec_run(dctx->decomp_state, xz_buf);
-+ if (ret != XZ_STREAM_END) {
-+ ret = -EINVAL;
-+ goto out;
-+ }
-+
-+ *dlen = xz_buf->out_pos;
-+ ret = 0;
-+
-+out:
-+ return ret;
-+}
-+
-+static struct crypto_alg crypto_xz_alg = {
-+ .cra_name = "xz",
-+ .cra_flags = CRYPTO_ALG_TYPE_COMPRESS,
-+ .cra_ctxsize = sizeof(struct xz_comp_ctx),
-+ .cra_module = THIS_MODULE,
-+ .cra_list = LIST_HEAD_INIT(crypto_xz_alg.cra_list),
-+ .cra_init = crypto_xz_init,
-+ .cra_exit = crypto_xz_exit,
-+ .cra_u = { .compress = {
-+ .coa_compress = crypto_xz_compress,
-+ .coa_decompress = crypto_xz_decompress } }
-+};
-+
-+static int __init crypto_xz_mod_init(void)
-+{
-+ return crypto_register_alg(&crypto_xz_alg);
-+}
-+
-+static void __exit crypto_xz_mod_exit(void)
-+{
-+ crypto_unregister_alg(&crypto_xz_alg);
-+}
-+
-+module_init(crypto_xz_mod_init);
-+module_exit(crypto_xz_mod_exit);
-+
-+MODULE_LICENSE("GPL v2");
-+MODULE_DESCRIPTION("Crypto XZ decompression support");
-+MODULE_AUTHOR("Gabor Juhos <juhosg@openwrt.org>");
diff --git a/target/linux/generic/patches-3.18/541-ubifs-xz-decompression-support.patch b/target/linux/generic/patches-3.18/541-ubifs-xz-decompression-support.patch
deleted file mode 100644
index f85689c..0000000
--- a/target/linux/generic/patches-3.18/541-ubifs-xz-decompression-support.patch
+++ /dev/null
@@ -1,92 +0,0 @@
---- a/fs/ubifs/Kconfig
-+++ b/fs/ubifs/Kconfig
-@@ -5,8 +5,10 @@ config UBIFS_FS
- select CRYPTO if UBIFS_FS_ADVANCED_COMPR
- select CRYPTO if UBIFS_FS_LZO
- select CRYPTO if UBIFS_FS_ZLIB
-+ select CRYPTO if UBIFS_FS_XZ
- select CRYPTO_LZO if UBIFS_FS_LZO
- select CRYPTO_DEFLATE if UBIFS_FS_ZLIB
-+ select CRYPTO_XZ if UBIFS_FS_XZ
- depends on MTD_UBI
- help
- UBIFS is a file system for flash devices which works on top of UBI.
-@@ -35,3 +37,12 @@ config UBIFS_FS_ZLIB
- default y
- help
- Zlib compresses better than LZO but it is slower. Say 'Y' if unsure.
-+
-+config UBIFS_FS_XZ
-+ bool "XZ decompression support" if UBIFS_FS_ADVANCED_COMPR
-+ depends on UBIFS_FS
-+ default y
-+ help
-+ XZ compresses better the ZLIB but it is slower..
-+ Say 'Y' if unsure.
-+
---- a/fs/ubifs/compress.c
-+++ b/fs/ubifs/compress.c
-@@ -71,6 +71,24 @@ static struct ubifs_compressor zlib_comp
- };
- #endif
-
-+#ifdef CONFIG_UBIFS_FS_XZ
-+static DEFINE_MUTEX(xz_enc_mutex);
-+static DEFINE_MUTEX(xz_dec_mutex);
-+
-+static struct ubifs_compressor xz_compr = {
-+ .compr_type = UBIFS_COMPR_XZ,
-+ .comp_mutex = &xz_enc_mutex,
-+ .decomp_mutex = &xz_dec_mutex,
-+ .name = "xz",
-+ .capi_name = "xz",
-+};
-+#else
-+static struct ubifs_compressor xz_compr = {
-+ .compr_type = UBIFS_COMPR_XZ,
-+ .name = "xz",
-+};
-+#endif
-+
- /* All UBIFS compressors */
- struct ubifs_compressor *ubifs_compressors[UBIFS_COMPR_TYPES_CNT];
-
-@@ -232,9 +250,15 @@ int __init ubifs_compressors_init(void)
- if (err)
- goto out_lzo;
-
-+ err = compr_init(&xz_compr);
-+ if (err)
-+ goto out_zlib;
-+
- ubifs_compressors[UBIFS_COMPR_NONE] = &none_compr;
- return 0;
-
-+out_zlib:
-+ compr_exit(&zlib_compr);
- out_lzo:
- compr_exit(&lzo_compr);
- return err;
-@@ -247,4 +271,5 @@ void ubifs_compressors_exit(void)
- {
- compr_exit(&lzo_compr);
- compr_exit(&zlib_compr);
-+ compr_exit(&xz_compr);
- }
---- a/fs/ubifs/ubifs-media.h
-+++ b/fs/ubifs/ubifs-media.h
-@@ -332,12 +332,14 @@ enum {
- * UBIFS_COMPR_NONE: no compression
- * UBIFS_COMPR_LZO: LZO compression
- * UBIFS_COMPR_ZLIB: ZLIB compression
-+ * UBIFS_COMPR_XZ: XZ compression
- * UBIFS_COMPR_TYPES_CNT: count of supported compression types
- */
- enum {
- UBIFS_COMPR_NONE,
- UBIFS_COMPR_LZO,
- UBIFS_COMPR_ZLIB,
-+ UBIFS_COMPR_XZ,
- UBIFS_COMPR_TYPES_CNT,
- };
-
diff --git a/target/linux/generic/patches-4.1/540-crypto-xz-decompression-support.patch b/target/linux/generic/patches-4.1/540-crypto-xz-decompression-support.patch
deleted file mode 100644
index c250e9f..0000000
--- a/target/linux/generic/patches-4.1/540-crypto-xz-decompression-support.patch
+++ /dev/null
@@ -1,146 +0,0 @@
---- a/crypto/Kconfig
-+++ b/crypto/Kconfig
-@@ -1435,6 +1435,13 @@ config CRYPTO_LZ4HC
- help
- This is the LZ4 high compression mode algorithm.
-
-+config CRYPTO_XZ
-+ tristate "XZ compression algorithm"
-+ select CRYPTO_ALGAPI
-+ select XZ_DEC
-+ help
-+ This is the XZ algorithm. Only decompression is supported for now.
-+
- comment "Random Number Generation"
-
- config CRYPTO_ANSI_CPRNG
---- a/crypto/Makefile
-+++ b/crypto/Makefile
-@@ -89,6 +89,7 @@ obj-$(CONFIG_CRYPTO_AUTHENC) += authenc.
- obj-$(CONFIG_CRYPTO_LZO) += lzo.o
- obj-$(CONFIG_CRYPTO_LZ4) += lz4.o
- obj-$(CONFIG_CRYPTO_LZ4HC) += lz4hc.o
-+obj-$(CONFIG_CRYPTO_XZ) += xz.o
- obj-$(CONFIG_CRYPTO_842) += 842.o
- obj-$(CONFIG_CRYPTO_RNG2) += rng.o
- obj-$(CONFIG_CRYPTO_RNG2) += krng.o
---- /dev/null
-+++ b/crypto/xz.c
-@@ -0,0 +1,117 @@
-+/*
-+ * Cryptographic API.
-+ *
-+ * XZ decompression support.
-+ *
-+ * Copyright (c) 2012 Gabor Juhos <juhosg@openwrt.org>
-+ *
-+ * This program is free software; you can redistribute it and/or modify it
-+ * under the terms of the GNU General Public License version 2 as published by
-+ * the Free Software Foundation.
-+ *
-+ */
-+#include <linux/init.h>
-+#include <linux/module.h>
-+#include <linux/crypto.h>
-+#include <linux/xz.h>
-+#include <linux/interrupt.h>
-+#include <linux/mm.h>
-+#include <linux/net.h>
-+
-+struct xz_comp_ctx {
-+ struct xz_dec *decomp_state;
-+ struct xz_buf decomp_buf;
-+};
-+
-+static int crypto_xz_decomp_init(struct xz_comp_ctx *ctx)
-+{
-+ ctx->decomp_state = xz_dec_init(XZ_SINGLE, 0);
-+ if (!ctx->decomp_state)
-+ return -ENOMEM;
-+
-+ return 0;
-+}
-+
-+static void crypto_xz_decomp_exit(struct xz_comp_ctx *ctx)
-+{
-+ xz_dec_end(ctx->decomp_state);
-+}
-+
-+static int crypto_xz_init(struct crypto_tfm *tfm)
-+{
-+ struct xz_comp_ctx *ctx = crypto_tfm_ctx(tfm);
-+
-+ return crypto_xz_decomp_init(ctx);
-+}
-+
-+static void crypto_xz_exit(struct crypto_tfm *tfm)
-+{
-+ struct xz_comp_ctx *ctx = crypto_tfm_ctx(tfm);
-+
-+ crypto_xz_decomp_exit(ctx);
-+}
-+
-+static int crypto_xz_compress(struct crypto_tfm *tfm, const u8 *src,
-+ unsigned int slen, u8 *dst, unsigned int *dlen)
-+{
-+ return -EOPNOTSUPP;
-+}
-+
-+static int crypto_xz_decompress(struct crypto_tfm *tfm, const u8 *src,
-+ unsigned int slen, u8 *dst, unsigned int *dlen)
-+{
-+ struct xz_comp_ctx *dctx = crypto_tfm_ctx(tfm);
-+ struct xz_buf *xz_buf = &dctx->decomp_buf;
-+ int ret;
-+
-+ memset(xz_buf, '\0', sizeof(struct xz_buf));
-+
-+ xz_buf->in = (u8 *) src;
-+ xz_buf->in_pos = 0;
-+ xz_buf->in_size = slen;
-+ xz_buf->out = (u8 *) dst;
-+ xz_buf->out_pos = 0;
-+ xz_buf->out_size = *dlen;
-+
-+ ret = xz_dec_run(dctx->decomp_state, xz_buf);
-+ if (ret != XZ_STREAM_END) {
-+ ret = -EINVAL;
-+ goto out;
-+ }
-+
-+ *dlen = xz_buf->out_pos;
-+ ret = 0;
-+
-+out:
-+ return ret;
-+}
-+
-+static struct crypto_alg crypto_xz_alg = {
-+ .cra_name = "xz",
-+ .cra_flags = CRYPTO_ALG_TYPE_COMPRESS,
-+ .cra_ctxsize = sizeof(struct xz_comp_ctx),
-+ .cra_module = THIS_MODULE,
-+ .cra_list = LIST_HEAD_INIT(crypto_xz_alg.cra_list),
-+ .cra_init = crypto_xz_init,
-+ .cra_exit = crypto_xz_exit,
-+ .cra_u = { .compress = {
-+ .coa_compress = crypto_xz_compress,
-+ .coa_decompress = crypto_xz_decompress } }
-+};
-+
-+static int __init crypto_xz_mod_init(void)
-+{
-+ return crypto_register_alg(&crypto_xz_alg);
-+}
-+
-+static void __exit crypto_xz_mod_exit(void)
-+{
-+ crypto_unregister_alg(&crypto_xz_alg);
-+}
-+
-+module_init(crypto_xz_mod_init);
-+module_exit(crypto_xz_mod_exit);
-+
-+MODULE_LICENSE("GPL v2");
-+MODULE_DESCRIPTION("Crypto XZ decompression support");
-+MODULE_AUTHOR("Gabor Juhos <juhosg@openwrt.org>");
diff --git a/target/linux/generic/patches-4.1/541-ubifs-xz-decompression-support.patch b/target/linux/generic/patches-4.1/541-ubifs-xz-decompression-support.patch
deleted file mode 100644
index f85689c..0000000
--- a/target/linux/generic/patches-4.1/541-ubifs-xz-decompression-support.patch
+++ /dev/null
@@ -1,92 +0,0 @@
---- a/fs/ubifs/Kconfig
-+++ b/fs/ubifs/Kconfig
-@@ -5,8 +5,10 @@ config UBIFS_FS
- select CRYPTO if UBIFS_FS_ADVANCED_COMPR
- select CRYPTO if UBIFS_FS_LZO
- select CRYPTO if UBIFS_FS_ZLIB
-+ select CRYPTO if UBIFS_FS_XZ
- select CRYPTO_LZO if UBIFS_FS_LZO
- select CRYPTO_DEFLATE if UBIFS_FS_ZLIB
-+ select CRYPTO_XZ if UBIFS_FS_XZ
- depends on MTD_UBI
- help
- UBIFS is a file system for flash devices which works on top of UBI.
-@@ -35,3 +37,12 @@ config UBIFS_FS_ZLIB
- default y
- help
- Zlib compresses better than LZO but it is slower. Say 'Y' if unsure.
-+
-+config UBIFS_FS_XZ
-+ bool "XZ decompression support" if UBIFS_FS_ADVANCED_COMPR
-+ depends on UBIFS_FS
-+ default y
-+ help
-+ XZ compresses better the ZLIB but it is slower..
-+ Say 'Y' if unsure.
-+
---- a/fs/ubifs/compress.c
-+++ b/fs/ubifs/compress.c
-@@ -71,6 +71,24 @@ static struct ubifs_compressor zlib_comp
- };
- #endif
-
-+#ifdef CONFIG_UBIFS_FS_XZ
-+static DEFINE_MUTEX(xz_enc_mutex);
-+static DEFINE_MUTEX(xz_dec_mutex);
-+
-+static struct ubifs_compressor xz_compr = {
-+ .compr_type = UBIFS_COMPR_XZ,
-+ .comp_mutex = &xz_enc_mutex,
-+ .decomp_mutex = &xz_dec_mutex,
-+ .name = "xz",
-+ .capi_name = "xz",
-+};
-+#else
-+static struct ubifs_compressor xz_compr = {
-+ .compr_type = UBIFS_COMPR_XZ,
-+ .name = "xz",
-+};
-+#endif
-+
- /* All UBIFS compressors */
- struct ubifs_compressor *ubifs_compressors[UBIFS_COMPR_TYPES_CNT];
-
-@@ -232,9 +250,15 @@ int __init ubifs_compressors_init(void)
- if (err)
- goto out_lzo;
-
-+ err = compr_init(&xz_compr);
-+ if (err)
-+ goto out_zlib;
-+
- ubifs_compressors[UBIFS_COMPR_NONE] = &none_compr;
- return 0;
-
-+out_zlib:
-+ compr_exit(&zlib_compr);
- out_lzo:
- compr_exit(&lzo_compr);
- return err;
-@@ -247,4 +271,5 @@ void ubifs_compressors_exit(void)
- {
- compr_exit(&lzo_compr);
- compr_exit(&zlib_compr);
-+ compr_exit(&xz_compr);
- }
---- a/fs/ubifs/ubifs-media.h
-+++ b/fs/ubifs/ubifs-media.h
-@@ -332,12 +332,14 @@ enum {
- * UBIFS_COMPR_NONE: no compression
- * UBIFS_COMPR_LZO: LZO compression
- * UBIFS_COMPR_ZLIB: ZLIB compression
-+ * UBIFS_COMPR_XZ: XZ compression
- * UBIFS_COMPR_TYPES_CNT: count of supported compression types
- */
- enum {
- UBIFS_COMPR_NONE,
- UBIFS_COMPR_LZO,
- UBIFS_COMPR_ZLIB,
-+ UBIFS_COMPR_XZ,
- UBIFS_COMPR_TYPES_CNT,
- };
-
diff --git a/target/linux/generic/patches-4.4/540-crypto-xz-decompression-support.patch b/target/linux/generic/patches-4.4/540-crypto-xz-decompression-support.patch
deleted file mode 100644
index 8a3377d..0000000
--- a/target/linux/generic/patches-4.4/540-crypto-xz-decompression-support.patch
+++ /dev/null
@@ -1,146 +0,0 @@
---- a/crypto/Kconfig
-+++ b/crypto/Kconfig
-@@ -1544,6 +1544,13 @@ config CRYPTO_LZ4HC
- help
- This is the LZ4 high compression mode algorithm.
-
-+config CRYPTO_XZ
-+ tristate "XZ compression algorithm"
-+ select CRYPTO_ALGAPI
-+ select XZ_DEC
-+ help
-+ This is the XZ algorithm. Only decompression is supported for now.
-+
- comment "Random Number Generation"
-
- config CRYPTO_ANSI_CPRNG
---- a/crypto/Makefile
-+++ b/crypto/Makefile
-@@ -108,6 +108,7 @@ obj-$(CONFIG_CRYPTO_AUTHENC) += authenc.
- obj-$(CONFIG_CRYPTO_LZO) += lzo.o
- obj-$(CONFIG_CRYPTO_LZ4) += lz4.o
- obj-$(CONFIG_CRYPTO_LZ4HC) += lz4hc.o
-+obj-$(CONFIG_CRYPTO_XZ) += xz.o
- obj-$(CONFIG_CRYPTO_842) += 842.o
- obj-$(CONFIG_CRYPTO_RNG2) += rng.o
- obj-$(CONFIG_CRYPTO_ANSI_CPRNG) += ansi_cprng.o
---- /dev/null
-+++ b/crypto/xz.c
-@@ -0,0 +1,117 @@
-+/*
-+ * Cryptographic API.
-+ *
-+ * XZ decompression support.
-+ *
-+ * Copyright (c) 2012 Gabor Juhos <juhosg@openwrt.org>
-+ *
-+ * This program is free software; you can redistribute it and/or modify it
-+ * under the terms of the GNU General Public License version 2 as published by
-+ * the Free Software Foundation.
-+ *
-+ */
-+#include <linux/init.h>
-+#include <linux/module.h>
-+#include <linux/crypto.h>
-+#include <linux/xz.h>
-+#include <linux/interrupt.h>
-+#include <linux/mm.h>
-+#include <linux/net.h>
-+
-+struct xz_comp_ctx {
-+ struct xz_dec *decomp_state;
-+ struct xz_buf decomp_buf;
-+};
-+
-+static int crypto_xz_decomp_init(struct xz_comp_ctx *ctx)
-+{
-+ ctx->decomp_state = xz_dec_init(XZ_SINGLE, 0);
-+ if (!ctx->decomp_state)
-+ return -ENOMEM;
-+
-+ return 0;
-+}
-+
-+static void crypto_xz_decomp_exit(struct xz_comp_ctx *ctx)
-+{
-+ xz_dec_end(ctx->decomp_state);
-+}
-+
-+static int crypto_xz_init(struct crypto_tfm *tfm)
-+{
-+ struct xz_comp_ctx *ctx = crypto_tfm_ctx(tfm);
-+
-+ return crypto_xz_decomp_init(ctx);
-+}
-+
-+static void crypto_xz_exit(struct crypto_tfm *tfm)
-+{
-+ struct xz_comp_ctx *ctx = crypto_tfm_ctx(tfm);
-+
-+ crypto_xz_decomp_exit(ctx);
-+}
-+
-+static int crypto_xz_compress(struct crypto_tfm *tfm, const u8 *src,
-+ unsigned int slen, u8 *dst, unsigned int *dlen)
-+{
-+ return -EOPNOTSUPP;
-+}
-+
-+static int crypto_xz_decompress(struct crypto_tfm *tfm, const u8 *src,
-+ unsigned int slen, u8 *dst, unsigned int *dlen)
-+{
-+ struct xz_comp_ctx *dctx = crypto_tfm_ctx(tfm);
-+ struct xz_buf *xz_buf = &dctx->decomp_buf;
-+ int ret;
-+
-+ memset(xz_buf, '\0', sizeof(struct xz_buf));
-+
-+ xz_buf->in = (u8 *) src;
-+ xz_buf->in_pos = 0;
-+ xz_buf->in_size = slen;
-+ xz_buf->out = (u8 *) dst;
-+ xz_buf->out_pos = 0;
-+ xz_buf->out_size = *dlen;
-+
-+ ret = xz_dec_run(dctx->decomp_state, xz_buf);
-+ if (ret != XZ_STREAM_END) {
-+ ret = -EINVAL;
-+ goto out;
-+ }
-+
-+ *dlen = xz_buf->out_pos;
-+ ret = 0;
-+
-+out:
-+ return ret;
-+}
-+
-+static struct crypto_alg crypto_xz_alg = {
-+ .cra_name = "xz",
-+ .cra_flags = CRYPTO_ALG_TYPE_COMPRESS,
-+ .cra_ctxsize = sizeof(struct xz_comp_ctx),
-+ .cra_module = THIS_MODULE,
-+ .cra_list = LIST_HEAD_INIT(crypto_xz_alg.cra_list),
-+ .cra_init = crypto_xz_init,
-+ .cra_exit = crypto_xz_exit,
-+ .cra_u = { .compress = {
-+ .coa_compress = crypto_xz_compress,
-+ .coa_decompress = crypto_xz_decompress } }
-+};
-+
-+static int __init crypto_xz_mod_init(void)
-+{
-+ return crypto_register_alg(&crypto_xz_alg);
-+}
-+
-+static void __exit crypto_xz_mod_exit(void)
-+{
-+ crypto_unregister_alg(&crypto_xz_alg);
-+}
-+
-+module_init(crypto_xz_mod_init);
-+module_exit(crypto_xz_mod_exit);
-+
-+MODULE_LICENSE("GPL v2");
-+MODULE_DESCRIPTION("Crypto XZ decompression support");
-+MODULE_AUTHOR("Gabor Juhos <juhosg@openwrt.org>");
diff --git a/target/linux/generic/patches-4.4/541-ubifs-xz-decompression-support.patch b/target/linux/generic/patches-4.4/541-ubifs-xz-decompression-support.patch
deleted file mode 100644
index 277d915..0000000
--- a/target/linux/generic/patches-4.4/541-ubifs-xz-decompression-support.patch
+++ /dev/null
@@ -1,94 +0,0 @@
---- a/fs/ubifs/Kconfig
-+++ b/fs/ubifs/Kconfig
-@@ -5,8 +5,10 @@ config UBIFS_FS
- select CRYPTO if UBIFS_FS_ADVANCED_COMPR
- select CRYPTO if UBIFS_FS_LZO
- select CRYPTO if UBIFS_FS_ZLIB
-+ select CRYPTO if UBIFS_FS_XZ
- select CRYPTO_LZO if UBIFS_FS_LZO
- select CRYPTO_DEFLATE if UBIFS_FS_ZLIB
-+ select CRYPTO_XZ if UBIFS_FS_XZ
- depends on MTD_UBI
- help
- UBIFS is a file system for flash devices which works on top of UBI.
-@@ -36,6 +38,14 @@ config UBIFS_FS_ZLIB
- help
- Zlib compresses better than LZO but it is slower. Say 'Y' if unsure.
-
-+config UBIFS_FS_XZ
-+ bool "XZ decompression support" if UBIFS_FS_ADVANCED_COMPR
-+ depends on UBIFS_FS
-+ default y
-+ help
-+ XZ compresses better the ZLIB but it is slower..
-+ Say 'Y' if unsure.
-+
- config UBIFS_ATIME_SUPPORT
- bool "Access time support" if UBIFS_FS
- depends on UBIFS_FS
---- a/fs/ubifs/compress.c
-+++ b/fs/ubifs/compress.c
-@@ -71,6 +71,24 @@ static struct ubifs_compressor zlib_comp
- };
- #endif
-
-+#ifdef CONFIG_UBIFS_FS_XZ
-+static DEFINE_MUTEX(xz_enc_mutex);
-+static DEFINE_MUTEX(xz_dec_mutex);
-+
-+static struct ubifs_compressor xz_compr = {
-+ .compr_type = UBIFS_COMPR_XZ,
-+ .comp_mutex = &xz_enc_mutex,
-+ .decomp_mutex = &xz_dec_mutex,
-+ .name = "xz",
-+ .capi_name = "xz",
-+};
-+#else
-+static struct ubifs_compressor xz_compr = {
-+ .compr_type = UBIFS_COMPR_XZ,
-+ .name = "xz",
-+};
-+#endif
-+
- /* All UBIFS compressors */
- struct ubifs_compressor *ubifs_compressors[UBIFS_COMPR_TYPES_CNT];
-
-@@ -232,9 +250,15 @@ int __init ubifs_compressors_init(void)
- if (err)
- goto out_lzo;
-
-+ err = compr_init(&xz_compr);
-+ if (err)
-+ goto out_zlib;
-+
- ubifs_compressors[UBIFS_COMPR_NONE] = &none_compr;
- return 0;
-
-+out_zlib:
-+ compr_exit(&zlib_compr);
- out_lzo:
- compr_exit(&lzo_compr);
- return err;
-@@ -247,4 +271,5 @@ void ubifs_compressors_exit(void)
- {
- compr_exit(&lzo_compr);
- compr_exit(&zlib_compr);
-+ compr_exit(&xz_compr);
- }
---- a/fs/ubifs/ubifs-media.h
-+++ b/fs/ubifs/ubifs-media.h
-@@ -332,12 +332,14 @@ enum {
- * UBIFS_COMPR_NONE: no compression
- * UBIFS_COMPR_LZO: LZO compression
- * UBIFS_COMPR_ZLIB: ZLIB compression
-+ * UBIFS_COMPR_XZ: XZ compression
- * UBIFS_COMPR_TYPES_CNT: count of supported compression types
- */
- enum {
- UBIFS_COMPR_NONE,
- UBIFS_COMPR_LZO,
- UBIFS_COMPR_ZLIB,
-+ UBIFS_COMPR_XZ,
- UBIFS_COMPR_TYPES_CNT,
- };
-
diff --git a/target/linux/imx6/config-4.4 b/target/linux/imx6/config-4.4
index 890ed18..ac8987a 100644
--- a/target/linux/imx6/config-4.4
+++ b/target/linux/imx6/config-4.4
@@ -110,7 +110,6 @@ CONFIG_CRYPTO_SHA256_ARM=y
# CONFIG_CRYPTO_SHA2_ARM_CE is not set
CONFIG_CRYPTO_SHA512_ARM=y
CONFIG_CRYPTO_WORKQUEUE=y
-CONFIG_CRYPTO_XZ=y
CONFIG_DCACHE_WORD_ACCESS=y
CONFIG_DEBUG_IMX_UART_PORT=1
CONFIG_DEBUG_LL_INCLUDE="mach/debug-macro.S"
@@ -400,7 +399,6 @@ CONFIG_TREE_RCU=y
CONFIG_UBIFS_FS=y
CONFIG_UBIFS_FS_ADVANCED_COMPR=y
CONFIG_UBIFS_FS_LZO=y
-CONFIG_UBIFS_FS_XZ=y
CONFIG_UBIFS_FS_ZLIB=y
CONFIG_UNCOMPRESS_INCLUDE="debug/uncompress.h"
# CONFIG_USB_MXS_PHY is not set
diff --git a/target/linux/ipq806x/config-4.4 b/target/linux/ipq806x/config-4.4
index cdb20eb..69c2198 100644
--- a/target/linux/ipq806x/config-4.4
+++ b/target/linux/ipq806x/config-4.4
@@ -108,7 +108,6 @@ CONFIG_CRYPTO_DEFLATE=y
CONFIG_CRYPTO_LZO=y
CONFIG_CRYPTO_RNG2=y
CONFIG_CRYPTO_WORKQUEUE=y
-CONFIG_CRYPTO_XZ=y
CONFIG_DCACHE_WORD_ACCESS=y
CONFIG_DEBUG_GPIO=y
CONFIG_DEBUG_LL_INCLUDE="mach/debug-macro.S"
@@ -406,7 +405,6 @@ CONFIG_TREE_RCU=y
CONFIG_UBIFS_FS=y
CONFIG_UBIFS_FS_ADVANCED_COMPR=y
CONFIG_UBIFS_FS_LZO=y
-# CONFIG_UBIFS_FS_XZ is not set
CONFIG_UBIFS_FS_ZLIB=y
CONFIG_UEVENT_HELPER_PATH=""
CONFIG_UNCOMPRESS_INCLUDE="debug/uncompress.h"
diff --git a/target/linux/kirkwood/config-4.4 b/target/linux/kirkwood/config-4.4
index 3c40844..f5d3164 100644
--- a/target/linux/kirkwood/config-4.4
+++ b/target/linux/kirkwood/config-4.4
@@ -298,7 +298,6 @@ CONFIG_TICK_CPU_ACCOUNTING=y
CONFIG_UBIFS_FS=y
CONFIG_UBIFS_FS_ADVANCED_COMPR=y
CONFIG_UBIFS_FS_LZO=y
-# CONFIG_UBIFS_FS_XZ is not set
CONFIG_UBIFS_FS_ZLIB=y
CONFIG_UNCOMPRESS_INCLUDE="debug/uncompress.h"
CONFIG_USB=y
diff --git a/target/linux/lantiq/xrx200/config-default b/target/linux/lantiq/xrx200/config-default
index f1351c8..30dff32 100644
--- a/target/linux/lantiq/xrx200/config-default
+++ b/target/linux/lantiq/xrx200/config-default
@@ -41,7 +41,6 @@ CONFIG_SWCONFIG_LEDS=y
CONFIG_UBIFS_FS=y
CONFIG_UBIFS_FS_ADVANCED_COMPR=y
CONFIG_UBIFS_FS_LZO=y
-# CONFIG_UBIFS_FS_XZ is not set
CONFIG_UBIFS_FS_ZLIB=y
CONFIG_USB=y
CONFIG_USB_COMMON=y
diff --git a/target/linux/lantiq/xway/config-default b/target/linux/lantiq/xway/config-default
index ae13f80..bddf027 100644
--- a/target/linux/lantiq/xway/config-default
+++ b/target/linux/lantiq/xway/config-default
@@ -60,7 +60,6 @@ CONFIG_SYS_SUPPORTS_MIPS16=y
CONFIG_UBIFS_FS=y
CONFIG_UBIFS_FS_ADVANCED_COMPR=y
CONFIG_UBIFS_FS_LZO=y
-# CONFIG_UBIFS_FS_XZ is not set
CONFIG_UBIFS_FS_ZLIB=y
CONFIG_USB=y
CONFIG_USB_COMMON=y
diff --git a/target/linux/layerscape/32b/config-default b/target/linux/layerscape/32b/config-default
index f08529a..7aa0dd5 100644
--- a/target/linux/layerscape/32b/config-default
+++ b/target/linux/layerscape/32b/config-default
@@ -63,7 +63,6 @@ CONFIG_CPU_TLB_V7=y
CONFIG_CPU_V7=y
CONFIG_CRYPTO_DEFLATE=y
CONFIG_CRYPTO_LZO=y
-CONFIG_CRYPTO_XZ=y
CONFIG_DEBUG_IMX_UART_PORT=1
CONFIG_DEBUG_LL_INCLUDE="mach/debug-macro.S"
# CONFIG_DEBUG_UART_8250 is not set
diff --git a/target/linux/mediatek/config-4.4 b/target/linux/mediatek/config-4.4
index 45fd2dc..2d6140a 100644
--- a/target/linux/mediatek/config-4.4
+++ b/target/linux/mediatek/config-4.4
@@ -102,7 +102,6 @@ CONFIG_CRYPTO_DEFLATE=y
CONFIG_CRYPTO_LZO=y
CONFIG_CRYPTO_RNG2=y
CONFIG_CRYPTO_WORKQUEUE=y
-CONFIG_CRYPTO_XZ=y
CONFIG_DCACHE_WORD_ACCESS=y
CONFIG_DEBUG_BUGVERBOSE=y
CONFIG_DEBUG_GPIO=y
@@ -388,7 +387,6 @@ CONFIG_TIMER_STATS=y
CONFIG_UBIFS_FS=y
# CONFIG_UBIFS_FS_ADVANCED_COMPR is not set
CONFIG_UBIFS_FS_LZO=y
-CONFIG_UBIFS_FS_XZ=y
CONFIG_UBIFS_FS_ZLIB=y
CONFIG_UEVENT_HELPER_PATH=""
CONFIG_UNCOMPRESS_INCLUDE="debug/uncompress.h"
diff --git a/target/linux/mvebu/config-4.4 b/target/linux/mvebu/config-4.4
index cd6c60c..d819970 100644
--- a/target/linux/mvebu/config-4.4
+++ b/target/linux/mvebu/config-4.4
@@ -126,7 +126,6 @@ CONFIG_CRYPTO_SHA256_ARM=y
# CONFIG_CRYPTO_SHA2_ARM_CE is not set
CONFIG_CRYPTO_SHA512_ARM=y
CONFIG_CRYPTO_WORKQUEUE=y
-CONFIG_CRYPTO_XZ=y
CONFIG_DCACHE_WORD_ACCESS=y
CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_LL=y
@@ -406,7 +405,6 @@ CONFIG_TREE_RCU=y
CONFIG_UBIFS_FS=y
# CONFIG_UBIFS_FS_ADVANCED_COMPR is not set
CONFIG_UBIFS_FS_LZO=y
-CONFIG_UBIFS_FS_XZ=y
CONFIG_UBIFS_FS_ZLIB=y
CONFIG_UNCOMPRESS_INCLUDE="debug/uncompress.h"
CONFIG_USB=y
diff --git a/target/linux/omap/config-4.4 b/target/linux/omap/config-4.4
index a08e511..f16fa68 100644
--- a/target/linux/omap/config-4.4
+++ b/target/linux/omap/config-4.4
@@ -141,7 +141,6 @@ CONFIG_CRYPTO_HASH2=y
CONFIG_CRYPTO_LZO=y
CONFIG_CRYPTO_RNG2=y
CONFIG_CRYPTO_WORKQUEUE=y
-CONFIG_CRYPTO_XZ=y
CONFIG_DCACHE_WORD_ACCESS=y
CONFIG_DDR=y
CONFIG_DEBUG_GPIO=y
@@ -649,7 +648,6 @@ CONFIG_TWL6040_CORE=y
CONFIG_UBIFS_FS=y
# CONFIG_UBIFS_FS_ADVANCED_COMPR is not set
CONFIG_UBIFS_FS_LZO=y
-CONFIG_UBIFS_FS_XZ=y
CONFIG_UBIFS_FS_ZLIB=y
CONFIG_UNCOMPRESS_INCLUDE="debug/uncompress.h"
CONFIG_UNINLINE_SPIN_UNLOCK=y
diff --git a/target/linux/oxnas/config-4.4 b/target/linux/oxnas/config-4.4
index 3c3ac00..f1d08a4 100644
--- a/target/linux/oxnas/config-4.4
+++ b/target/linux/oxnas/config-4.4
@@ -89,7 +89,6 @@ CONFIG_CRYPTO_DEFLATE=y
CONFIG_CRYPTO_LZO=y
CONFIG_CRYPTO_RNG2=y
CONFIG_CRYPTO_WORKQUEUE=y
-CONFIG_CRYPTO_XZ=y
CONFIG_DCACHE_WORD_ACCESS=y
CONFIG_DEBUG_ICEDCC=y
CONFIG_DEBUG_LL=y
@@ -345,7 +344,6 @@ CONFIG_TREE_RCU=y
CONFIG_UBIFS_FS=y
# CONFIG_UBIFS_FS_ADVANCED_COMPR is not set
CONFIG_UBIFS_FS_LZO=y
-CONFIG_UBIFS_FS_XZ=y
CONFIG_UBIFS_FS_ZLIB=y
CONFIG_UNCOMPRESS_INCLUDE="mach/uncompress.h"
CONFIG_USB=y
diff --git a/target/linux/ramips/mt7621/config-4.4 b/target/linux/ramips/mt7621/config-4.4
index 47b208b..73c3b39 100644
--- a/target/linux/ramips/mt7621/config-4.4
+++ b/target/linux/ramips/mt7621/config-4.4
@@ -256,7 +256,6 @@ CONFIG_TREE_RCU=y
CONFIG_UBIFS_FS=y
CONFIG_UBIFS_FS_ADVANCED_COMPR=y
CONFIG_UBIFS_FS_LZO=y
-# CONFIG_UBIFS_FS_XZ is not set
CONFIG_UBIFS_FS_ZLIB=y
CONFIG_USB_SUPPORT=y
CONFIG_USE_OF=y
diff --git a/target/linux/rb532/config-4.4 b/target/linux/rb532/config-4.4
index 3c6806f..765f01b 100644
--- a/target/linux/rb532/config-4.4
+++ b/target/linux/rb532/config-4.4
@@ -39,7 +39,6 @@ CONFIG_CRYPTO_HASH2=y
CONFIG_CRYPTO_LZO=y
CONFIG_CRYPTO_RNG2=y
CONFIG_CRYPTO_WORKQUEUE=y
-CONFIG_CRYPTO_XZ=y
CONFIG_CSRC_R4K=y
CONFIG_DMA_NONCOHERENT=y
# CONFIG_ENABLE_WARN_DEPRECATED is not set
@@ -178,7 +177,6 @@ CONFIG_TICK_CPU_ACCOUNTING=y
CONFIG_UBIFS_FS=y
# CONFIG_UBIFS_FS_ADVANCED_COMPR is not set
CONFIG_UBIFS_FS_LZO=y
-CONFIG_UBIFS_FS_XZ=y
CONFIG_UBIFS_FS_ZLIB=y
CONFIG_VIA_RHINE=y
CONFIG_VIA_RHINE_MMIO=y
diff --git a/target/linux/xburst/config-3.18 b/target/linux/xburst/config-3.18
index fbc2891..71411bf 100644
--- a/target/linux/xburst/config-3.18
+++ b/target/linux/xburst/config-3.18
@@ -40,7 +40,6 @@ CONFIG_CRYPTO_DEFLATE=y
CONFIG_CRYPTO_HASH=y
CONFIG_CRYPTO_HASH2=y
CONFIG_CRYPTO_LZO=y
-CONFIG_CRYPTO_XZ=y
CONFIG_DMADEVICES=y
CONFIG_DMA_ENGINE=y
CONFIG_DMA_JZ4740=y
@@ -316,7 +315,6 @@ CONFIG_TREE_PREEMPT_RCU=y
CONFIG_UBIFS_FS=y
CONFIG_UBIFS_FS_ADVANCED_COMPR=y
CONFIG_UBIFS_FS_LZO=y
-CONFIG_UBIFS_FS_XZ=y
CONFIG_UBIFS_FS_ZLIB=y
CONFIG_UNINLINE_SPIN_UNLOCK=y
CONFIG_USB=y