From 716ca530e1c4515d8683c9d5be3d56b301758b66 Mon Sep 17 00:00:00 2001
From: James <>
Date: Wed, 4 Nov 2015 11:49:21 +0000
Subject: trunk-47381

---
 .../patches/500-ath9k_eeprom_debugfs.patch         | 65 ++++++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100644 package/kernel/mac80211/patches/500-ath9k_eeprom_debugfs.patch

(limited to 'package/kernel/mac80211/patches/500-ath9k_eeprom_debugfs.patch')

diff --git a/package/kernel/mac80211/patches/500-ath9k_eeprom_debugfs.patch b/package/kernel/mac80211/patches/500-ath9k_eeprom_debugfs.patch
new file mode 100644
index 0000000..a7f9d9f
--- /dev/null
+++ b/package/kernel/mac80211/patches/500-ath9k_eeprom_debugfs.patch
@@ -0,0 +1,65 @@
+--- a/drivers/net/wireless/ath/ath9k/debug.c
++++ b/drivers/net/wireless/ath/ath9k/debug.c
+@@ -1301,6 +1301,53 @@ void ath9k_deinit_debug(struct ath_softc
+ 	ath9k_cmn_spectral_deinit_debug(&sc->spec_priv);
+ }
+ 
++static ssize_t read_file_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;
++	struct ath_common *common = ath9k_hw_common(ah);
++	int bytes = 0;
++	int pos = *ppos;
++	int size = 4096;
++	u16 val;
++	int i;
++
++	if (AR_SREV_9300_20_OR_LATER(ah))
++		size = 16384;
++
++	if (*ppos < 0)
++		return -EINVAL;
++
++	if (count > size - *ppos)
++		count = size - *ppos;
++
++	for (i = *ppos / 2; count > 0; count -= bytes, *ppos += bytes, i++) {
++		void *from = &val;
++
++		if (!common->bus_ops->eeprom_read(common, i, &val))
++			val = 0xffff;
++
++		if (*ppos % 2) {
++			from++;
++			bytes = 1;
++		} else if (count == 1) {
++			bytes = 1;
++		} else {
++			bytes = 2;
++		}
++		copy_to_user(user_buf, from, bytes);
++		user_buf += bytes;
++	}
++	return *ppos - pos;
++}
++
++static const struct file_operations fops_eeprom = {
++	.read = read_file_eeprom,
++	.open = simple_open,
++	.owner = THIS_MODULE
++};
++
+ int ath9k_init_debug(struct ath_hw *ah)
+ {
+ 	struct ath_common *common = ath9k_hw_common(ah);
+@@ -1320,6 +1367,8 @@ int ath9k_init_debug(struct ath_hw *ah)
+ 	ath9k_tx99_init_debug(sc);
+ 	ath9k_cmn_spectral_init_debug(&sc->spec_priv, sc->debug.debugfs_phy);
+ 
++	debugfs_create_file("eeprom", S_IRUSR, sc->debug.debugfs_phy, sc,
++			    &fops_eeprom);
+ 	debugfs_create_devm_seqfile(sc->dev, "dma", sc->debug.debugfs_phy,
+ 				    read_file_dma);
+ 	debugfs_create_devm_seqfile(sc->dev, "interrupt", sc->debug.debugfs_phy,
-- 
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