summaryrefslogtreecommitdiff
path: root/drivers/net/wireless/realtek/rtlwifi/pci.h
diff options
context:
space:
mode:
authorPing-Ke Shih <pkshih@realtek.com>2017-11-13 12:39:34 +0300
committerKalle Valo <kvalo@codeaurora.org>2017-12-07 16:14:51 +0300
commitdc9682a0cca5018a64eefe1630f204fe4fbfebcc (patch)
tree48af7c9c05b6476ec867627d81ef4b669410f7d2 /drivers/net/wireless/realtek/rtlwifi/pci.h
parentfb9829e90dcd5365c45478629e45075560ea8644 (diff)
downloadlinux-dc9682a0cca5018a64eefe1630f204fe4fbfebcc.tar.xz
rtlwifi: fix the wrong size to calculate fifo space
Give correct fifo size to calculate fifo space. Fortunately, the values of RTL_PCI_MAX_RX_COUNT and TX_DESC_NUM_92E are the same in old code, so it still works. Signed-off-by: Steven Ting <steventing@realtek.com> Signed-off-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net/wireless/realtek/rtlwifi/pci.h')
-rw-r--r--drivers/net/wireless/realtek/rtlwifi/pci.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/wireless/realtek/rtlwifi/pci.h b/drivers/net/wireless/realtek/rtlwifi/pci.h
index e7d070e8da2d..ed5de1218bd9 100644
--- a/drivers/net/wireless/realtek/rtlwifi/pci.h
+++ b/drivers/net/wireless/realtek/rtlwifi/pci.h
@@ -320,10 +320,10 @@ static inline void pci_write32_async(struct rtl_priv *rtlpriv,
writel(val, (u8 __iomem *)rtlpriv->io.pci_mem_start + addr);
}
-static inline u16 calc_fifo_space(u16 rp, u16 wp)
+static inline u16 calc_fifo_space(u16 rp, u16 wp, u16 size)
{
if (rp <= wp)
- return RTL_PCI_MAX_RX_COUNT - 1 + rp - wp;
+ return size - 1 + rp - wp;
return rp - wp - 1;
}