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Commit 3f4c4bdd authored by Rajkumar Manoharan's avatar Rajkumar Manoharan Committed by John W. Linville
Browse files

ath9k: Dump modal eeprom header 



Debugfs file location:
<debugfs_mnt>/ieee80211/phy#/ath9k/modal_eeprom

Signed-off-by: default avatarRajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 580f010f

drivers/net/wireless/ath/ath9k/debug.c

+30 −0
Original line number Diff line number Diff line
@@ -1191,6 +1191,34 @@ static const struct file_operations fops_base_eeprom = { 
	.llseek = default_llseek,

};



static ssize_t read_file_modal_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 = 6000;

	char *buf;

	size_t retval;



	buf = kzalloc(size, GFP_KERNEL);

	if (buf == NULL)

		return -ENOMEM;



	len = ah->eep_ops->dump_eeprom(ah, false, buf, len, size);



	retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);

	kfree(buf);



	return retval;

}



static const struct file_operations fops_modal_eeprom = {

	.read = read_file_modal_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);
@@ -1236,6 +1264,8 @@ int ath9k_init_debug(struct ath_hw *ah) 
			    &fops_regdump);

	debugfs_create_file("base_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc,

			    &fops_base_eeprom);

	debugfs_create_file("modal_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc,

			    &fops_modal_eeprom);



	debugfs_create_u32("gpio_mask", S_IRUSR | S_IWUSR,

			   sc->debug.debugfs_phy, &sc->sc_ah->gpio_mask);