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wireless: use %*pb[l] to print bitmaps including cpumasks and nodemasks

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printk and friends can now format bitmaps using '%*pb[l]'.  cpumask
and nodemask also provide cpumask_pr_args() and nodemask_pr_args()
respectively which can be used to generate the two printf arguments
necessary to format the specified cpu/nodemask.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: "John W. Linville" <linville@tuxdriver.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Tejun Heo 2015-02-13 14:37:45 -08:00 committed by Linus Torvalds
parent f09068276c
commit 898600380c
2 changed files with 12 additions and 35 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
drivers/net/wireless/ath/ath9k/htc_drv_debug.c
View File

@ -291,26 +291,15 @@ static ssize_t read_file_slot(struct file *file, char __user *user_buf,
{
struct ath9k_htc_priv *priv = file->private_data;
char buf[512];
unsigned int len = 0;
unsigned int len;
spin_lock_bh(&priv->tx.tx_lock);
len += scnprintf(buf + len, sizeof(buf) - len, "TX slot bitmap : ");
len += bitmap_scnprintf(buf + len, sizeof(buf) - len,
priv->tx.tx_slot, MAX_TX_BUF_NUM);
len += scnprintf(buf + len, sizeof(buf) - len, "\n");
len += scnprintf(buf + len, sizeof(buf) - len,
"Used slots : %d\n",
bitmap_weight(priv->tx.tx_slot, MAX_TX_BUF_NUM));
len = scnprintf(buf, sizeof(buf),
"TX slot bitmap : %*pb\n"
"Used slots : %d\n",
MAX_TX_BUF_NUM, priv->tx.tx_slot,
bitmap_weight(priv->tx.tx_slot, MAX_TX_BUF_NUM));
spin_unlock_bh(&priv->tx.tx_lock);
if (len > sizeof(buf))
len = sizeof(buf);
return simple_read_from_buffer(user_buf, count, ppos, buf, len);
}

24
drivers/net/wireless/ath/carl9170/debug.c
View File

@ -214,14 +214,10 @@ DEBUGFS_DECLARE_RO_FILE(name, _read_bufsize)
static char *carl9170_debugfs_mem_usage_read(struct ar9170 *ar, char *buf,
size_t bufsize, ssize_t *len)
{
ADD(buf, *len, bufsize, "jar: [");
spin_lock_bh(&ar->mem_lock);
*len += bitmap_scnprintf(&buf[*len], bufsize - *len,
ar->mem_bitmap, ar->fw.mem_blocks);
ADD(buf, *len, bufsize, "]\n");
ADD(buf, *len, bufsize, "jar: [%*pb]\n",
ar->fw.mem_blocks, ar->mem_bitmap);
ADD(buf, *len, bufsize, "cookies: used:%3d / total:%3d, allocs:%d\n",
bitmap_weight(ar->mem_bitmap, ar->fw.mem_blocks),
@ -316,17 +312,13 @@ static char *carl9170_debugfs_ampdu_state_read(struct ar9170 *ar, char *buf,
cnt, iter->tid, iter->bsn, iter->snx, iter->hsn,
iter->max, iter->state, iter->counter);
ADD(buf, *len, bufsize, "\tWindow: [");
*len += bitmap_scnprintf(&buf[*len], bufsize - *len,
iter->bitmap, CARL9170_BAW_BITS);
ADD(buf, *len, bufsize, "\tWindow: [%*pb,W]\n",
CARL9170_BAW_BITS, iter->bitmap);
#define BM_STR_OFF(offset) \
((CARL9170_BAW_BITS - (offset) - 1) / 4 + \
(CARL9170_BAW_BITS - (offset) - 1) / 32 + 1)
ADD(buf, *len, bufsize, ",W]\n");
offset = BM_STR_OFF(0);
ADD(buf, *len, bufsize, "\tBase Seq: %*s\n", offset, "T");
@ -448,12 +440,8 @@ static char *carl9170_debugfs_vif_dump_read(struct ar9170 *ar, char *buf,
ADD(buf, *len, bufsize, "registered VIFs:%d \\ %d\n",
ar->vifs, ar->fw.vif_num);
ADD(buf, *len, bufsize, "VIF bitmap: [");
*len += bitmap_scnprintf(&buf[*len], bufsize - *len,
&ar->vif_bitmap, ar->fw.vif_num);
ADD(buf, *len, bufsize, "]\n");
ADD(buf, *len, bufsize, "VIF bitmap: [%*pb]\n",
ar->fw.vif_num, &ar->vif_bitmap);
rcu_read_lock();
list_for_each_entry_rcu(iter, &ar->vif_list, list) {