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-rw-r--r--drivers/mtd/ubi/Makefile3
-rw-r--r--drivers/mtd/ubi/debug.c75
-rw-r--r--drivers/mtd/ubi/debug.h5
-rw-r--r--drivers/mtd/ubi/io.c4
4 files changed, 40 insertions, 47 deletions
diff --git a/drivers/mtd/ubi/Makefile b/drivers/mtd/ubi/Makefile
index c9302a5452b..da71655e42d 100644
--- a/drivers/mtd/ubi/Makefile
+++ b/drivers/mtd/ubi/Makefile
@@ -1,7 +1,6 @@
obj-$(CONFIG_MTD_UBI) += ubi.o
ubi-y += vtbl.o vmt.o upd.o build.o cdev.o kapi.o eba.o io.o wl.o scan.o
-ubi-y += misc.o
+ubi-y += misc.o debug.o
-ubi-$(CONFIG_MTD_UBI_DEBUG) += debug.o
obj-$(CONFIG_MTD_UBI_GLUEBI) += gluebi.o
diff --git a/drivers/mtd/ubi/debug.c b/drivers/mtd/ubi/debug.c
index 61af9bb560a..30aa9c44083 100644
--- a/drivers/mtd/ubi/debug.c
+++ b/drivers/mtd/ubi/debug.c
@@ -18,19 +18,46 @@
* Author: Artem Bityutskiy (Битюцкий Артём)
*/
-/*
- * Here we keep all the UBI debugging stuff which should normally be disabled
- * and compiled-out, but it is extremely helpful when hunting bugs or doing big
- * changes.
- */
-
-#ifdef CONFIG_MTD_UBI_DEBUG
-
#include "ubi.h"
#include <linux/debugfs.h>
#include <linux/uaccess.h>
#include <linux/module.h>
+
+/**
+ * ubi_dump_flash - dump a region of flash.
+ * @ubi: UBI device description object
+ * @pnum: the physical eraseblock number to dump
+ * @offset: the starting offset within the physical eraseblock to dump
+ * @len: the length of the region to dump
+ */
+void ubi_dump_flash(struct ubi_device *ubi, int pnum, int offset, int len)
+{
+ int err;
+ size_t read;
+ void *buf;
+ loff_t addr = (loff_t)pnum * ubi->peb_size + offset;
+
+ buf = vmalloc(len);
+ if (!buf)
+ return;
+ err = mtd_read(ubi->mtd, addr, len, &read, buf);
+ if (err && err != -EUCLEAN) {
+ ubi_err("error %d while reading %d bytes from PEB %d:%d, "
+ "read %zd bytes", err, len, pnum, offset, read);
+ goto out;
+ }
+
+ ubi_msg("dumping %d bytes of data from PEB %d, offset %d",
+ len, pnum, offset);
+ print_hex_dump(KERN_DEBUG, "", DUMP_PREFIX_OFFSET, 32, 1, buf, len, 1);
+out:
+ vfree(buf);
+ return;
+}
+
+#ifdef CONFIG_MTD_UBI_DEBUG
+
/**
* ubi_dbg_dump_ec_hdr - dump an erase counter header.
* @ec_hdr: the erase counter header to dump
@@ -200,38 +227,6 @@ void ubi_dbg_dump_mkvol_req(const struct ubi_mkvol_req *req)
}
/**
- * ubi_dbg_dump_flash - dump a region of flash.
- * @ubi: UBI device description object
- * @pnum: the physical eraseblock number to dump
- * @offset: the starting offset within the physical eraseblock to dump
- * @len: the length of the region to dump
- */
-void ubi_dbg_dump_flash(struct ubi_device *ubi, int pnum, int offset, int len)
-{
- int err;
- size_t read;
- void *buf;
- loff_t addr = (loff_t)pnum * ubi->peb_size + offset;
-
- buf = vmalloc(len);
- if (!buf)
- return;
- err = mtd_read(ubi->mtd, addr, len, &read, buf);
- if (err && err != -EUCLEAN) {
- ubi_err("error %d while reading %d bytes from PEB %d:%d, "
- "read %zd bytes", err, len, pnum, offset, read);
- goto out;
- }
-
- dbg_msg("dumping %d bytes of data from PEB %d, offset %d",
- len, pnum, offset);
- print_hex_dump(KERN_DEBUG, "", DUMP_PREFIX_OFFSET, 32, 1, buf, len, 1);
-out:
- vfree(buf);
- return;
-}
-
-/**
* ubi_debugging_init_dev - initialize debugging for an UBI device.
* @ubi: UBI device description object
*
diff --git a/drivers/mtd/ubi/debug.h b/drivers/mtd/ubi/debug.h
index aff6499cde4..4bce78dc522 100644
--- a/drivers/mtd/ubi/debug.h
+++ b/drivers/mtd/ubi/debug.h
@@ -21,6 +21,8 @@
#ifndef __UBI_DEBUG_H__
#define __UBI_DEBUG_H__
+void ubi_dump_flash(struct ubi_device *ubi, int pnum, int offset, int len);
+
#ifdef CONFIG_MTD_UBI_DEBUG
#include <linux/random.h>
@@ -63,7 +65,6 @@ void ubi_dbg_dump_vtbl_record(const struct ubi_vtbl_record *r, int idx);
void ubi_dbg_dump_sv(const struct ubi_scan_volume *sv);
void ubi_dbg_dump_seb(const struct ubi_scan_leb *seb, int type);
void ubi_dbg_dump_mkvol_req(const struct ubi_mkvol_req *req);
-void ubi_dbg_dump_flash(struct ubi_device *ubi, int pnum, int offset, int len);
int ubi_dbg_check_all_ff(struct ubi_device *ubi, int pnum, int offset, int len);
int ubi_dbg_check_write(struct ubi_device *ubi, const void *buf, int pnum,
int offset, int len);
@@ -205,8 +206,6 @@ static inline void ubi_dbg_dump_seb(const struct ubi_scan_leb *seb,
int type) { return; }
static inline void
ubi_dbg_dump_mkvol_req(const struct ubi_mkvol_req *req) { return; }
-static inline void ubi_dbg_dump_flash(struct ubi_device *ubi,
- int pnum, int offset, int len) { return; }
static inline void
ubi_dbg_print_hex_dump(const char *l, const char *ps, int pt, int r,
int g, const void *b, size_t len, bool a) { return; }
diff --git a/drivers/mtd/ubi/io.c b/drivers/mtd/ubi/io.c
index 507e0c6113c..9658ac80890 100644
--- a/drivers/mtd/ubi/io.c
+++ b/drivers/mtd/ubi/io.c
@@ -294,7 +294,7 @@ int ubi_io_write(struct ubi_device *ubi, const void *buf, int pnum, int offset,
ubi_err("error %d while writing %d bytes to PEB %d:%d, written "
"%zd bytes", err, len, pnum, offset, written);
dump_stack();
- ubi_dbg_dump_flash(ubi, pnum, offset, len);
+ ubi_dump_flash(ubi, pnum, offset, len);
} else
ubi_assert(written == len);
@@ -563,7 +563,7 @@ static int nor_erase_prepare(struct ubi_device *ubi, int pnum)
*/
ubi_err("cannot invalidate PEB %d, write returned %d read returned %d",
pnum, err, err1);
- ubi_dbg_dump_flash(ubi, pnum, 0, ubi->peb_size);
+ ubi_dump_flash(ubi, pnum, 0, ubi->peb_size);
return -EIO;
}