ath5k: in-flash macs and eeprom for mach-eap7660d

This adds ath5k_platform.h to mac80211 and patches ath5k to respect
MAC addresses and eeprom content from platform_data, if supplied.

Signed-off-by: Daniel Golle <daniel.golle@gmail.com>

SVN-Revision: 22188
This commit is contained in:
Gabor Juhos 2010-07-15 07:36:55 +00:00
parent 95e09cccd8
commit 3f4e29691e
3 changed files with 93 additions and 1 deletions

View file

@ -11,7 +11,7 @@ include $(INCLUDE_DIR)/kernel.mk
PKG_NAME:=mac80211
PKG_VERSION:=2010-07-06
PKG_RELEASE:=1
PKG_RELEASE:=2
PKG_SOURCE_URL:=http://mirror2.openwrt.org/sources
# http://www.orbit-lab.org/kernel/compat-wireless-2.6/2010/11 \
# http://wireless.kernel.org/download/compat-wireless-2.6

View file

@ -0,0 +1,35 @@
diff -Nur a/include/linux/ath5k_platform.h b/include/linux/ath5k_platform.h
--- a/include/linux/ath5k_platform.h 1970-01-01 01:00:00.000000000 +0100
+++ b/include/linux/ath5k_platform.h 2010-06-21 00:19:52.000000000 +0200
@@ -0,0 +1,30 @@
+/*
+ * Copyright (c) 2008 Atheros Communications Inc.
+ * Copyright (c) 2009 Gabor Juhos <juhosg@openwrt.org>
+ * Copyright (c) 2009 Imre Kaloz <kaloz@openwrt.org>
+ * Copyright (c) 2010 Daniel Golle <daniel.golle@gmail.com>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef _LINUX_ATH5K_PLATFORM_H
+#define _LINUX_ATH5K_PLATFORM_H
+
+#define ATH5K_PLAT_EEP_MAX_WORDS 2048
+
+struct ath5k_platform_data {
+ u16 *eeprom_data;
+ u8 *macaddr;
+};
+
+#endif /* _LINUX_ATH5K_PLATFORM_H */

View file

@ -0,0 +1,57 @@
--- a/drivers/net/wireless/ath/ath5k/eeprom.c 2010-06-23 03:08:32.000000000 +0200
+++ b/drivers/net/wireless/ath/ath5k/eeprom.c 2010-06-23 05:59:30.000000000 +0200
@@ -22,6 +23,8 @@
\*************************************/
#include <linux/slab.h>
+#include <linux/ath5k_platform.h>
+#include <linux/pci.h>
#include "ath5k.h"
#include "reg.h"
@@ -34,6 +37,18 @@
static int ath5k_hw_eeprom_read(struct ath5k_hw *ah, u32 offset, u16 *data)
{
u32 status, timeout;
+ struct ath5k_platform_data *pdata = NULL;
+
+ if (ah->ah_sc->pdev)
+ pdata = ah->ah_sc->pdev->dev.platform_data;
+
+ if (pdata && pdata->eeprom_data && pdata->eeprom_data[0] == AR5K_EEPROM_MAGIC_VALUE)
+ {
+ ATH5K_INFO(ah->ah_sc, "using eeprom-content from platform_data\n");
+ if (offset >= ATH5K_PLAT_EEP_MAX_WORDS) return -EIO;
+ *data = pdata->eeprom_data[offset];
+ return 0;
+ }
/*
* Initialize EEPROM access
@@ -1788,7 +1802,7 @@
}
/*
- * Read the MAC address from eeprom
+ * Read the MAC address from eeprom or platform_data
*/
int ath5k_eeprom_read_mac(struct ath5k_hw *ah, u8 *mac)
{
@@ -1796,6 +1810,16 @@
u32 total, offset;
u16 data;
int octet, ret;
+ struct ath5k_platform_data *pdata = NULL;
+
+ if (ah->ah_sc->pdev)
+ pdata = ah->ah_sc->pdev->dev.platform_data;
+
+ if (pdata && pdata->macaddr)
+ {
+ memcpy(mac, pdata->macaddr, ETH_ALEN);
+ return 0;
+ }
ret = ath5k_hw_eeprom_read(ah, 0x20, &data);
if (ret)