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* [PATCH 1/2] rt2x00: rt2800pci: don't use TXWI_DESC_SIZE directly
@ 2013-06-22 14:31 Gabor Juhos
  2013-06-22 14:31 ` [PATCH 2/2] rt2x00: rt2800: unify [RT]XWI_SIZE defines Gabor Juhos
                   ` (2 more replies)
  0 siblings, 3 replies; 6+ messages in thread
From: Gabor Juhos @ 2013-06-22 14:31 UTC (permalink / raw)
  To: John Linville; +Cc: linux-wireless, users, Gabor Juhos

Different chipsets may use different TXWI descriptor
size. Instead of using a hardcoded value, use the
'queue->winfo_size' which holds the correct value for
a given device.

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
---
 drivers/net/wireless/rt2x00/rt2800pci.c |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c
index 7c74782..e664918 100644
--- a/drivers/net/wireless/rt2x00/rt2800pci.c
+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
@@ -637,6 +637,7 @@ static void rt2800pci_write_tx_desc(struct queue_entry *entry,
 	struct queue_entry_priv_mmio *entry_priv = entry->priv_data;
 	__le32 *txd = entry_priv->desc;
 	u32 word;
+	const unsigned int txwi_size = entry->queue->winfo_size;
 
 	/*
 	 * The buffers pointed by SD_PTR0/SD_LEN0 and SD_PTR1/SD_LEN1
@@ -659,14 +660,14 @@ static void rt2800pci_write_tx_desc(struct queue_entry *entry,
 			   !test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags));
 	rt2x00_set_field32(&word, TXD_W1_BURST,
 			   test_bit(ENTRY_TXD_BURST, &txdesc->flags));
-	rt2x00_set_field32(&word, TXD_W1_SD_LEN0, TXWI_DESC_SIZE);
+	rt2x00_set_field32(&word, TXD_W1_SD_LEN0, txwi_size);
 	rt2x00_set_field32(&word, TXD_W1_LAST_SEC0, 0);
 	rt2x00_set_field32(&word, TXD_W1_DMA_DONE, 0);
 	rt2x00_desc_write(txd, 1, word);
 
 	word = 0;
 	rt2x00_set_field32(&word, TXD_W2_SD_PTR1,
-			   skbdesc->skb_dma + TXWI_DESC_SIZE);
+			   skbdesc->skb_dma + txwi_size);
 	rt2x00_desc_write(txd, 2, word);
 
 	word = 0;
-- 
1.7.10


^ permalink raw reply related	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2013-06-24 17:29 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2013-06-22 14:31 [PATCH 1/2] rt2x00: rt2800pci: don't use TXWI_DESC_SIZE directly Gabor Juhos
2013-06-22 14:31 ` [PATCH 2/2] rt2x00: rt2800: unify [RT]XWI_SIZE defines Gabor Juhos
2013-06-24 15:49   ` [rt2x00-users] " Stanislaw Gruszka
2013-06-24 17:29   ` Gertjan van Wingerde
2013-06-24 15:49 ` [rt2x00-users] [PATCH 1/2] rt2x00: rt2800pci: don't use TXWI_DESC_SIZE directly Stanislaw Gruszka
2013-06-24 17:29 ` Gertjan van Wingerde

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