UBI: print less

UBI currently prints a lot of information when it mounts a volume, which
bothers some people. Make it less chatty - print only important information
by default.

Get rid of 'dbg_msg()' macro completely.

Reported-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>

7 files changed, 42 insertions, 56 deletions

diff --git a/drivers/mtd/ubi/attach.c b/drivers/mtd/ubi/attach.c
index e1d90683e357..da132155c796 100644
--- a/drivers/mtd/ubi/attach.c
+++ b/drivers/mtd/ubi/attach.c
@@ -794,8 +794,8 @@ static int check_corruption(struct ubi_device *ubi, struct ubi_vid_hdr *vid_hdr,
                 pnum);
         ubi_err("this may be a non-UBI PEB or a severe VID header corruption which requires manual inspection");
         ubi_dump_vid_hdr(vid_hdr);
-        dbg_msg("hexdump of PEB %d offset %d, length %d",
-                pnum, ubi->leb_start, ubi->leb_size);
+        pr_err("hexdump of PEB %d offset %d, length %d",
+               pnum, ubi->leb_start, ubi->leb_size);
         ubi_dbg_print_hex_dump(KERN_DEBUG, "", DUMP_PREFIX_OFFSET, 32, 1,
                                ubi->peb_buf, ubi->leb_size, 1);
         err = 1;
@@ -1170,7 +1170,7 @@ static struct ubi_attach_info *scan_all(struct ubi_device *ubi)
                         goto out_vidh;
         }
 
-        dbg_msg("scanning is finished");
+        ubi_msg("scanning is finished");
 
         /* Calculate mean erase counter */
         if (ai->ec_count)
@@ -1242,7 +1242,7 @@ int ubi_attach(struct ubi_device *ubi)
         ubi->corr_peb_count = ai->corr_peb_count;
         ubi->max_ec = ai->max_ec;
         ubi->mean_ec = ai->mean_ec;
-        ubi_msg("max. sequence number:       %llu", ai->max_sqnum);
+        dbg_gen("max. sequence number:       %llu", ai->max_sqnum);
 
         err = ubi_read_volume_table(ubi, ai);
         if (err)
diff --git a/drivers/mtd/ubi/build.c b/drivers/mtd/ubi/build.c
index 998a0bfc30dd..8fd85e32506a 100644
--- a/drivers/mtd/ubi/build.c
+++ b/drivers/mtd/ubi/build.c
@@ -619,6 +619,9 @@ static int get_bad_peb_limit(const struct ubi_device *ubi, int max_beb_per1024)
  */
 static int io_init(struct ubi_device *ubi, int max_beb_per1024)
 {
+        dbg_gen("sizeof(struct ubi_ainf_peb) %zu", sizeof(struct ubi_ainf_peb));
+        dbg_gen("sizeof(struct ubi_wl_entry) %zu", sizeof(struct ubi_wl_entry));
+
         if (ubi->mtd->numeraseregions != 0) {
                 /*
                  * Some flashes have several erase regions. Different regions
@@ -690,11 +693,11 @@ static int io_init(struct ubi_device *ubi, int max_beb_per1024)
         ubi->ec_hdr_alsize = ALIGN(UBI_EC_HDR_SIZE, ubi->hdrs_min_io_size);
         ubi->vid_hdr_alsize = ALIGN(UBI_VID_HDR_SIZE, ubi->hdrs_min_io_size);
 
-        dbg_msg("min_io_size      %d", ubi->min_io_size);
-        dbg_msg("max_write_size   %d", ubi->max_write_size);
-        dbg_msg("hdrs_min_io_size %d", ubi->hdrs_min_io_size);
-        dbg_msg("ec_hdr_alsize    %d", ubi->ec_hdr_alsize);
-        dbg_msg("vid_hdr_alsize   %d", ubi->vid_hdr_alsize);
+        dbg_gen("min_io_size      %d", ubi->min_io_size);
+        dbg_gen("max_write_size   %d", ubi->max_write_size);
+        dbg_gen("hdrs_min_io_size %d", ubi->hdrs_min_io_size);
+        dbg_gen("ec_hdr_alsize    %d", ubi->ec_hdr_alsize);
+        dbg_gen("vid_hdr_alsize   %d", ubi->vid_hdr_alsize);
 
         if (ubi->vid_hdr_offset == 0)
                 /* Default offset */
@@ -711,10 +714,10 @@ static int io_init(struct ubi_device *ubi, int max_beb_per1024)
         ubi->leb_start = ubi->vid_hdr_offset + UBI_VID_HDR_SIZE;
         ubi->leb_start = ALIGN(ubi->leb_start, ubi->min_io_size);
 
-        dbg_msg("vid_hdr_offset   %d", ubi->vid_hdr_offset);
-        dbg_msg("vid_hdr_aloffset %d", ubi->vid_hdr_aloffset);
-        dbg_msg("vid_hdr_shift    %d", ubi->vid_hdr_shift);
-        dbg_msg("leb_start        %d", ubi->leb_start);
+        dbg_gen("vid_hdr_offset   %d", ubi->vid_hdr_offset);
+        dbg_gen("vid_hdr_aloffset %d", ubi->vid_hdr_aloffset);
+        dbg_gen("vid_hdr_shift    %d", ubi->vid_hdr_shift);
+        dbg_gen("leb_start        %d", ubi->leb_start);
 
         /* The shift must be aligned to 32-bit boundary */
         if (ubi->vid_hdr_shift % 4) {
@@ -740,7 +743,7 @@ static int io_init(struct ubi_device *ubi, int max_beb_per1024)
         ubi->max_erroneous = ubi->peb_count / 10;
         if (ubi->max_erroneous < 16)
                 ubi->max_erroneous = 16;
-        dbg_msg("max_erroneous    %d", ubi->max_erroneous);
+        dbg_gen("max_erroneous    %d", ubi->max_erroneous);
 
         /*
          * It may happen that EC and VID headers are situated in one minimal
@@ -760,17 +763,6 @@ static int io_init(struct ubi_device *ubi, int max_beb_per1024)
                 ubi->ro_mode = 1;
         }
 
-        ubi_msg("physical eraseblock size:   %d bytes (%d KiB)",
-                ubi->peb_size, ubi->peb_size >> 10);
-        ubi_msg("logical eraseblock size:    %d bytes", ubi->leb_size);
-        ubi_msg("smallest flash I/O unit:    %d", ubi->min_io_size);
-        if (ubi->hdrs_min_io_size != ubi->min_io_size)
-                ubi_msg("sub-page size:              %d",
-                        ubi->hdrs_min_io_size);
-        ubi_msg("VID header offset:          %d (aligned %d)",
-                ubi->vid_hdr_offset, ubi->vid_hdr_aloffset);
-        ubi_msg("data offset:                %d", ubi->leb_start);
-
         /*
          * Note, ideally, we have to initialize @ubi->bad_peb_count here. But
          * unfortunately, MTD does not provide this information. We should loop
@@ -932,8 +924,6 @@ int ubi_attach_mtd_dev(struct mtd_info *mtd, int ubi_num,
         spin_lock_init(&ubi->volumes_lock);
 
         ubi_msg("attaching mtd%d to ubi%d", mtd->index, ubi_num);
-        dbg_msg("sizeof(struct ubi_ainf_peb) %zu", sizeof(struct ubi_ainf_peb));
-        dbg_msg("sizeof(struct ubi_wl_entry) %zu", sizeof(struct ubi_wl_entry));
 
         err = io_init(ubi, max_beb_per1024);
         if (err)
@@ -976,23 +966,24 @@ int ubi_attach_mtd_dev(struct mtd_info *mtd, int ubi_num,
                 goto out_debugfs;
         }
 
-        ubi_msg("attached mtd%d to ubi%d", mtd->index, ubi_num);
-        ubi_msg("MTD device name:            \"%s\"", mtd->name);
-        ubi_msg("MTD device size:            %llu MiB", ubi->flash_size >> 20);
-        ubi_msg("number of good PEBs:        %d", ubi->good_peb_count);
-        ubi_msg("number of bad PEBs:         %d", ubi->bad_peb_count);
-        ubi_msg("number of corrupted PEBs:   %d", ubi->corr_peb_count);
-        ubi_msg("max. allowed volumes:       %d", ubi->vtbl_slots);
-        ubi_msg("wear-leveling threshold:    %d", CONFIG_MTD_UBI_WL_THRESHOLD);
-        ubi_msg("number of internal volumes: %d", UBI_INT_VOL_COUNT);
-        ubi_msg("number of user volumes:     %d",
-                ubi->vol_count - UBI_INT_VOL_COUNT);
-        ubi_msg("available PEBs:             %d", ubi->avail_pebs);
-        ubi_msg("total number of reserved PEBs: %d", ubi->rsvd_pebs);
-        ubi_msg("number of PEBs reserved for bad PEB handling: %d",
-                ubi->beb_rsvd_pebs);
-        ubi_msg("max/mean erase counter: %d/%d", ubi->max_ec, ubi->mean_ec);
-        ubi_msg("image sequence number:  %u", ubi->image_seq);
+        ubi_msg("attached mtd%d (name \"%s\", size %llu MiB) to ubi%d",
+                mtd->index, mtd->name, ubi->flash_size >> 20, ubi_num);
+        ubi_msg("PEB size: %d bytes (%d KiB), LEB size: %d bytes",
+                ubi->peb_size, ubi->peb_size >> 10, ubi->leb_size);
+        ubi_msg("min./max. I/O unit sizes: %d/%d, sub-page size %d",
+                ubi->min_io_size, ubi->max_write_size, ubi->hdrs_min_io_size);
+        ubi_msg("VID header offset: %d (aligned %d), data offset: %d",
+                ubi->vid_hdr_offset, ubi->vid_hdr_aloffset, ubi->leb_start);
+        ubi_msg("good PEBs: %d, bad PEBs: %d, corrupted PEBs: %d",
+                ubi->good_peb_count, ubi->bad_peb_count, ubi->corr_peb_count);
+        ubi_msg("user volume: %d, internal volumes: %d, max. volumes count: %d",
+                ubi->vol_count - UBI_INT_VOL_COUNT, UBI_INT_VOL_COUNT,
+                ubi->vtbl_slots);
+        ubi_msg("max/mean erase counter: %d/%d, WL threshold: %d, image sequence number: %u",
+                ubi->max_ec, ubi->mean_ec, CONFIG_MTD_UBI_WL_THRESHOLD,
+                ubi->image_seq);
+        ubi_msg("available PEBs: %d, total reserved PEBs: %d, PEBs reserved for bad PEB handling: %d",
+                ubi->avail_pebs, ubi->rsvd_pebs, ubi->beb_rsvd_pebs);
 
         /*
          * The below lock makes sure we do not race with 'ubi_thread()' which
@@ -1069,7 +1060,7 @@ int ubi_detach_mtd_dev(int ubi_num, int anyway)
 
         ubi_assert(ubi_num == ubi->ubi_num);
         ubi_notify_all(ubi, UBI_VOLUME_REMOVED, NULL);
-        dbg_msg("detaching mtd%d from ubi%d", ubi->mtd->index, ubi_num);
+        ubi_msg("detaching mtd%d from ubi%d", ubi->mtd->index, ubi_num);
 
         /*
          * Before freeing anything, we have to stop the background thread to
diff --git a/drivers/mtd/ubi/cdev.c b/drivers/mtd/ubi/cdev.c
index 540d2db492ee..dfcc65b33e99 100644
--- a/drivers/mtd/ubi/cdev.c
+++ b/drivers/mtd/ubi/cdev.c
@@ -754,7 +754,7 @@ static int rename_volumes(struct ubi_device *ubi,
                 re->new_name_len = name_len;
                 memcpy(re->new_name, name, name_len);
                 list_add_tail(&re->list, &rename_list);
-                dbg_msg("will rename volume %d from \"%s\" to \"%s\"",
+                dbg_gen("will rename volume %d from \"%s\" to \"%s\"",
                         vol_id, re->desc->vol->name, name);
         }
 
@@ -812,7 +812,7 @@ static int rename_volumes(struct ubi_device *ubi,
                 re1->remove = 1;
                 re1->desc = desc;
                 list_add(&re1->list, &rename_list);
-                dbg_msg("will remove volume %d, name \"%s\"",
+                dbg_gen("will remove volume %d, name \"%s\"",
                         re1->desc->vol->vol_id, re1->desc->vol->name);
         }
 
@@ -943,7 +943,7 @@ static long ubi_cdev_ioctl(struct file *file, unsigned int cmd,
         {
                 struct ubi_rnvol_req *req;
 
-                dbg_msg("re-name volumes");
+                dbg_gen("re-name volumes");
                 req = kmalloc(sizeof(struct ubi_rnvol_req), GFP_KERNEL);
                 if (!req) {
                         err = -ENOMEM;
diff --git a/drivers/mtd/ubi/debug.h b/drivers/mtd/ubi/debug.h
index ea4cb7ca3352..3dbc877d9663 100644
--- a/drivers/mtd/ubi/debug.h
+++ b/drivers/mtd/ubi/debug.h
@@ -42,11 +42,6 @@ void ubi_dump_vid_hdr(const struct ubi_vid_hdr *vid_hdr);
         pr_debug("UBI DBG " type " (pid %d): " fmt "\n", current->pid,       \
                  ##__VA_ARGS__)
 
-/* Just a debugging messages not related to any specific UBI subsystem */
-#define dbg_msg(fmt, ...)                                                    \
-        pr_err("UBI DBG (pid %d): %s: " fmt "\n",                            \
-               current->pid, __func__, ##__VA_ARGS__)
-
 /* General debugging messages */
 #define dbg_gen(fmt, ...) ubi_dbg_msg("gen", fmt, ##__VA_ARGS__)
 /* Messages from the eraseblock association sub-system */
diff --git a/drivers/mtd/ubi/io.c b/drivers/mtd/ubi/io.c
index 321541159f51..78a1dcbf2107 100644
--- a/drivers/mtd/ubi/io.c
+++ b/drivers/mtd/ubi/io.c
@@ -177,7 +177,7 @@ retry:
                          * enabled. A corresponding message will be printed
                          * later, when it is has been scrubbed.
                          */
-                        dbg_msg("fixable bit-flip detected at PEB %d", pnum);
+                        ubi_msg("fixable bit-flip detected at PEB %d", pnum);
                         ubi_assert(len == read);
                         return UBI_IO_BITFLIPS;
                 }
diff --git a/drivers/mtd/ubi/vtbl.c b/drivers/mtd/ubi/vtbl.c
index 7e7c20114edb..64b9c56adfaf 100644
--- a/drivers/mtd/ubi/vtbl.c
+++ b/drivers/mtd/ubi/vtbl.c
@@ -304,7 +304,7 @@ static int create_vtbl(struct ubi_device *ubi, struct ubi_attach_info *ai,
         struct ubi_vid_hdr *vid_hdr;
         struct ubi_ainf_peb *new_aeb;
 
-        ubi_msg("create volume table (copy #%d)", copy + 1);
+        dbg_gen("create volume table (copy #%d)", copy + 1);
 
         vid_hdr = ubi_zalloc_vid_hdr(ubi, GFP_KERNEL);
         if (!vid_hdr)
diff --git a/drivers/mtd/ubi/wl.c b/drivers/mtd/ubi/wl.c
index bd05276252fb..032fc57f1090 100644
--- a/drivers/mtd/ubi/wl.c
+++ b/drivers/mtd/ubi/wl.c
@@ -1201,7 +1201,7 @@ int ubi_wl_scrub_peb(struct ubi_device *ubi, int pnum)
 {
         struct ubi_wl_entry *e;
 
-        dbg_msg("schedule PEB %d for scrubbing", pnum);
+        ubi_msg("schedule PEB %d for scrubbing", pnum);
 
 retry:
         spin_lock(&ubi->wl_lock);