From 580f010f1bd7ac0e83f77f4b3035e78417d3c2e2 Mon Sep 17 00:00:00 2001 From: Rajkumar Manoharan Date: Fri, 29 Jul 2011 17:38:12 +0530 Subject: [PATCH] ath9k: Dump base eeprom header Debugfs file location: /ieee80211/phy#/ath9k/base_eeprom Signed-off-by: Rajkumar Manoharan Signed-off-by: John W. Linville --- drivers/net/wireless/ath/ath9k/debug.c | 30 ++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c index d1eb89611ff..cdd370cc071 100644 --- a/drivers/net/wireless/ath/ath9k/debug.c +++ b/drivers/net/wireless/ath/ath9k/debug.c @@ -1163,6 +1163,34 @@ static const struct file_operations fops_regdump = { .llseek = default_llseek,/* read accesses f_pos */ }; +static ssize_t read_file_base_eeprom(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ath_softc *sc = file->private_data; + struct ath_hw *ah = sc->sc_ah; + u32 len = 0, size = 1500; + ssize_t retval = 0; + char *buf; + + buf = kzalloc(size, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + len = ah->eep_ops->dump_eeprom(ah, true, buf, len, size); + + retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); + kfree(buf); + + return retval; +} + +static const struct file_operations fops_base_eeprom = { + .read = read_file_base_eeprom, + .open = ath9k_debugfs_open, + .owner = THIS_MODULE, + .llseek = default_llseek, +}; + int ath9k_init_debug(struct ath_hw *ah) { struct ath_common *common = ath9k_hw_common(ah); @@ -1206,6 +1234,8 @@ int ath9k_init_debug(struct ath_hw *ah) &ah->config.cwm_ignore_extcca); debugfs_create_file("regdump", S_IRUSR, sc->debug.debugfs_phy, sc, &fops_regdump); + debugfs_create_file("base_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc, + &fops_base_eeprom); debugfs_create_u32("gpio_mask", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, &sc->sc_ah->gpio_mask); -- 2.39.2