From: Anisse Astier <anisse@astier.eu>
To: linux-wireless@vger.kernel.org, users@rt2x00.serialmonkey.com
Cc: Ivo van Doorn <IvDoorn@gmail.com>,
linville@tuxdriver.com,
Gertjan van Wingerde <gwingerde@gmail.com>,
Helmut Schaa <helmut.schaa@googlemail.com>,
Anisse Astier <anisse@astier.eu>
Subject: [PATCH v5 2/3] rt2x00: debugfs support - allow a register to be empty
Date: Mon, 30 Apr 2012 18:33:32 +0200 [thread overview]
Message-ID: <1335803613-1253-3-git-send-email-anisse@astier.eu> (raw)
In-Reply-To: <1335803613-1253-1-git-send-email-anisse@astier.eu>
Allow a register to be unspecified, therefore not creating its debugfs
file entry.
Signed-off-by: Anisse Astier <anisse@astier.eu>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
---
drivers/net/wireless/rt2x00/rt2x00debug.c | 71 +++++++++++++++--------------
1 file changed, 36 insertions(+), 35 deletions(-)
diff --git a/drivers/net/wireless/rt2x00/rt2x00debug.c b/drivers/net/wireless/rt2x00/rt2x00debug.c
index 78787fc..5bb1221 100644
--- a/drivers/net/wireless/rt2x00/rt2x00debug.c
+++ b/drivers/net/wireless/rt2x00/rt2x00debug.c
@@ -624,22 +624,21 @@ static struct dentry *rt2x00debug_create_file_chipset(const char *name,
data += sprintf(data, "revision:\t%04x\n", intf->rt2x00dev->chip.rev);
data += sprintf(data, "\n");
data += sprintf(data, "register\tbase\twords\twordsize\n");
- data += sprintf(data, "csr\t%d\t%d\t%d\n",
- debug->csr.word_base,
- debug->csr.word_count,
- debug->csr.word_size);
- data += sprintf(data, "eeprom\t%d\t%d\t%d\n",
- debug->eeprom.word_base,
- debug->eeprom.word_count,
- debug->eeprom.word_size);
- data += sprintf(data, "bbp\t%d\t%d\t%d\n",
- debug->bbp.word_base,
- debug->bbp.word_count,
- debug->bbp.word_size);
- data += sprintf(data, "rf\t%d\t%d\t%d\n",
- debug->rf.word_base,
- debug->rf.word_count,
- debug->rf.word_size);
+#define RT2X00DEBUGFS_SPRINTF_REGISTER(__name) \
+{ \
+ if(debug->__name.read) \
+ data += sprintf(data, __stringify(__name) \
+ "\t%d\t%d\t%d\n", \
+ debug->__name.word_base, \
+ debug->__name.word_count, \
+ debug->__name.word_size); \
+}
+ RT2X00DEBUGFS_SPRINTF_REGISTER(csr);
+ RT2X00DEBUGFS_SPRINTF_REGISTER(eeprom);
+ RT2X00DEBUGFS_SPRINTF_REGISTER(bbp);
+ RT2X00DEBUGFS_SPRINTF_REGISTER(rf);
+#undef RT2X00DEBUGFS_SPRINTF_REGISTER
+
blob->size = strlen(blob->data);
return debugfs_create_blob(name, S_IRUSR, intf->driver_folder, blob);
@@ -694,25 +693,27 @@ void rt2x00debug_register(struct rt2x00_dev *rt2x00dev)
if (IS_ERR(intf->register_folder) || !intf->register_folder)
goto exit;
-#define RT2X00DEBUGFS_CREATE_REGISTER_ENTRY(__intf, __name) \
-({ \
- (__intf)->__name##_off_entry = \
- debugfs_create_u32(__stringify(__name) "_offset", \
- S_IRUSR | S_IWUSR, \
- (__intf)->register_folder, \
- &(__intf)->offset_##__name); \
- if (IS_ERR((__intf)->__name##_off_entry) \
- || !(__intf)->__name##_off_entry) \
- goto exit; \
- \
- (__intf)->__name##_val_entry = \
- debugfs_create_file(__stringify(__name) "_value", \
- S_IRUSR | S_IWUSR, \
- (__intf)->register_folder, \
- (__intf), &rt2x00debug_fop_##__name);\
- if (IS_ERR((__intf)->__name##_val_entry) \
- || !(__intf)->__name##_val_entry) \
- goto exit; \
+#define RT2X00DEBUGFS_CREATE_REGISTER_ENTRY(__intf, __name) \
+({ \
+ if(debug->__name.read) { \
+ (__intf)->__name##_off_entry = \
+ debugfs_create_u32(__stringify(__name) "_offset", \
+ S_IRUSR | S_IWUSR, \
+ (__intf)->register_folder, \
+ &(__intf)->offset_##__name); \
+ if (IS_ERR((__intf)->__name##_off_entry) \
+ || !(__intf)->__name##_off_entry) \
+ goto exit; \
+ \
+ (__intf)->__name##_val_entry = \
+ debugfs_create_file(__stringify(__name) "_value", \
+ S_IRUSR | S_IWUSR, \
+ (__intf)->register_folder, \
+ (__intf), &rt2x00debug_fop_##__name); \
+ if (IS_ERR((__intf)->__name##_val_entry) \
+ || !(__intf)->__name##_val_entry) \
+ goto exit; \
+ } \
})
RT2X00DEBUGFS_CREATE_REGISTER_ENTRY(intf, csr);
--
1.7.9.4
next prev parent reply other threads:[~2012-04-30 16:38 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-30 16:33 [PATCH v5 0/3] rt2800 debug improvements Anisse Astier
2012-04-30 16:33 ` [PATCH v5 1/3] rt2800: debugfs register access: BBP is 256 bytes big Anisse Astier
2012-04-30 16:33 ` Anisse Astier [this message]
2012-04-30 16:33 ` [PATCH v5 3/3] rt2x00: Add debugfs access for rfcsr register Anisse Astier
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