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brcmsmac: Use correct descriptor count when calculating next rx descriptor

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nextrxd() is calling txd(), which means that the tx descriptor count is
used to determine when to wrap for determining the next ring buffer
entry. This has worked so far since the driver has been using the same
number of rx and tx descriptors, but it's obviously going to be a
problem if different numbers of descriptors are used.

Acked-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Seth Forshee <seth.forshee@canonical.com>
Tested-by: Daniel Wagner <wagi@monom.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Seth Forshee 2012-11-15 08:07:57 -06:00 committed by John W. Linville
parent e041f65d5f
commit b05618deb4
1 changed files with 1 additions and 1 deletions
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drivers/net/wireless/brcm80211/brcmsmac/dma.c
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@ -361,7 +361,7 @@ static uint prevtxd(struct dma_info *di, uint i)
static uint nextrxd(struct dma_info *di, uint i)
{
return txd(di, i + 1);
return rxd(di, i + 1);
}
static uint ntxdactive(struct dma_info *di, uint h, uint t)