On Fri, Mar 09, 2007 at 09:14:29AM -0800, Randy Dunlap wrote:
 
> Good to use FIELD_SIZEOF(),

Thanks.

>                             but in general, we prefer to use it
> directly, not in yet another wrapper.

I left the item_{size,addr} in place as it seemed to make the item[]
more compact.

I'm not certain using the FIELD_SIZEOF() macro directly is a win.

From: Tony Breeds <[EMAIL PROTECTED]>

Cleanup drivers/net/wireless/libertas/debugfs.c to use standard kernel macros 
and functions.

Signed-off-by: Tony Breeds <[EMAIL PROTECTED]>

---
only compile tested on x86

 drivers/net/wireless/libertas/debugfs.c |   56 +++++++------------------------
 1 files changed, 12 insertions(+), 44 deletions(-)

diff --git a/drivers/net/wireless/libertas/debugfs.c 
b/drivers/net/wireless/libertas/debugfs.c
index 3ad1e03..8b0e3ec 100644
--- a/drivers/net/wireless/libertas/debugfs.c
+++ b/drivers/net/wireless/libertas/debugfs.c
@@ -1771,58 +1771,26 @@ void libertas_debugfs_remove_one(wlan_private *priv)
 }
 
 /* debug entry */
-
-#define item_size(n) (sizeof ((wlan_adapter *)0)->n)
-#define item_addr(n) ((u32) &((wlan_adapter *)0)->n)
-
 struct debug_data {
        char name[32];
        u32 size;
        u32 addr;
 };
 
-/* To debug any member of wlan_adapter, simply add one line here.
- */
+/* To debug any member of wlan_adapter, simply add a record here. */
 static struct debug_data items[] = {
-       {"intcounter", item_size(intcounter), item_addr(intcounter)},
-       {"psmode", item_size(psmode), item_addr(psmode)},
-       {"psstate", item_size(psstate), item_addr(psstate)},
+       { .name = "intcounter",
+         .size = FIELD_SIZEOF(wlan_adapter, intcounter),
+         .addr = offsetof(wlan_adapter, intcounter) },
+       { .name = "psmode",
+         .size = FIELD_SIZEOF(wlan_adapter, psmode),
+         .addr = offsetof(wlan_adapter, psmode) },
+       { .name = "psstate",
+         .size = FIELD_SIZEOF(wlan_adapter, psstate),
+         .addr = offsetof(wlan_adapter, psstate) },
 };
 
-static int num_of_items = sizeof(items) / sizeof(items[0]);
-
-/**
- *  @brief convert string to number
- *
- *  @param s              pointer to numbered string
- *  @return       converted number from string s
- */
-static int string_to_number(char *s)
-{
-       int r = 0;
-       int base = 0;
-
-       if ((strncmp(s, "0x", 2) == 0) || (strncmp(s, "0X", 2) == 0))
-               base = 16;
-       else
-               base = 10;
-
-       if (base == 16)
-               s += 2;
-
-       for (s = s; *s != 0; s++) {
-               if ((*s >= 48) && (*s <= 57))
-                       r = (r * base) + (*s - 48);
-               else if ((*s >= 65) && (*s <= 70))
-                       r = (r * base) + (*s - 55);
-               else if ((*s >= 97) && (*s <= 102))
-                       r = (r * base) + (*s - 87);
-               else
-                       break;
-       }
-
-       return r;
-}
+static int num_of_items = ARRAY_SIZE(items);
 
 /**
  *  @brief proc read function
@@ -1912,7 +1880,7 @@ static int wlan_debugfs_write(struct file *f, const char 
__user *buf,
                        if (!p2)
                                break;
                        p2++;
-                       r = string_to_number(p2);
+                       r = simple_strtoul(p2, NULL, 0);
                        if (d[i].size == 1)
                                *((u8 *) d[i].addr) = (u8) r;
                        else if (d[i].size == 2)


Yours Tony

  linux.conf.au        http://linux.conf.au/ || http://lca2008.linux.org.au/
  Jan 28 - Feb 02 2008 The Australian Linux Technical Conference!

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