From 21c6af6b69b609b7934caaccda1b4535dceb402c Mon Sep 17 00:00:00 2001 From: Gabor Juhos Date: Thu, 22 Aug 2013 20:53:21 +0200 Subject: [PATCH 1/1] rt2x00: rt2800lib: add rt2800_hw_beacon_base helper The HW_BEACON_BASE() macro returns the base address of a given beacon, however the returned values are not usable on all chipsets. On devices which have selectable shared memory parts, some beacon may be located in the high part of the shared memory. Instead of extending the already complicated macro, add a new helper function and use that to get the base address of a given beacon. The actual patch contains no functional changes, the helper function will be extended in a further patch to handle different chipsets' requirements. Signed-off-by: Gabor Juhos Acked-by: Helmut Schaa Signed-off-by: John W. Linville --- drivers/net/wireless/rt2x00/rt2800lib.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c index aa6b6b022547..38606e2f8a52 100644 --- a/drivers/net/wireless/rt2x00/rt2800lib.c +++ b/drivers/net/wireless/rt2x00/rt2800lib.c @@ -940,6 +940,12 @@ void rt2800_txdone_entry(struct queue_entry *entry, u32 status, __le32 *txwi) } EXPORT_SYMBOL_GPL(rt2800_txdone_entry); +static unsigned int rt2800_hw_beacon_base(struct rt2x00_dev *rt2x00dev, + unsigned int index) +{ + return HW_BEACON_BASE(index); +} + void rt2800_write_beacon(struct queue_entry *entry, struct txentry_desc *txdesc) { struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; @@ -992,7 +998,8 @@ void rt2800_write_beacon(struct queue_entry *entry, struct txentry_desc *txdesc) return; } - beacon_base = HW_BEACON_BASE(entry->entry_idx); + beacon_base = rt2800_hw_beacon_base(rt2x00dev, entry->entry_idx); + rt2800_register_multiwrite(rt2x00dev, beacon_base, entry->skb->data, entry->skb->len + padding_len); @@ -1017,7 +1024,7 @@ static inline void rt2800_clear_beacon_register(struct rt2x00_dev *rt2x00dev, const int txwi_desc_size = rt2x00dev->bcn->winfo_size; unsigned int beacon_base; - beacon_base = HW_BEACON_BASE(index); + beacon_base = rt2800_hw_beacon_base(rt2x00dev, index); /* * For the Beacon base registers we only need to clear -- 2.34.1