staging: rtl8192e: Convert array rx_ring_dma[] to variable rx_ring_dma

Convert array rx_ring_dma[] to variable rx_ring_dma as index is always 0.
This increases readability.

Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Reviewed-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://lore.kernel.org/r/51d3be0a715452cefe5ac6dd29a86fbe65b824fa.1698295861.git.philipp.g.hortmann@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c b/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
index e343e10e011acecd77441d1c1cd8be121c2e8e95..e93394c51264beebfc549dfcaf52b52475cb11c0 100644 (file)
--- a/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
+++ b/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
@@ -1841,7 +1841,7 @@ void rtl92e_enable_rx(struct net_device *dev)
 {
        struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
 
-       rtl92e_writel(dev, RDQDA, priv->rx_ring_dma[RX_MPDU_QUEUE]);
+       rtl92e_writel(dev, RDQDA, priv->rx_ring_dma);
 }
 
 static const u32 TX_DESC_BASE[] = {

diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
index 573d548e44d802416dfbb9ba03bd831e0c192836..8af732870ddfaa8e4c70bb70f8d5270b36376c06 100644 (file)
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
@@ -1159,7 +1159,7 @@ static void _rtl92e_free_rx_ring(struct net_device *dev)
        dma_free_coherent(&priv->pdev->dev,
                          sizeof(*priv->rx_ring) * priv->rxringcount,
                          priv->rx_ring,
-                         priv->rx_ring_dma[rx_queue_idx]);
+                         priv->rx_ring_dma);
        priv->rx_ring = NULL;
 }
 
@@ -1356,7 +1356,7 @@ static short _rtl92e_alloc_rx_ring(struct net_device *dev)
 
        priv->rx_ring = dma_alloc_coherent(&priv->pdev->dev,
                                           sizeof(*priv->rx_ring) * priv->rxringcount,
-                                          &priv->rx_ring_dma[rx_queue_idx],
+                                          &priv->rx_ring_dma,
                                           GFP_ATOMIC);
        if (!priv->rx_ring || (unsigned long)priv->rx_ring & 0xFF) {
                netdev_warn(dev, "Cannot allocate RX ring\n");

diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.h b/drivers/staging/rtl8192e/rtl8192e/rtl_core.h
index 2a99873fbe903f9a0ffc1e50bf6fe5e8b4e2c494..b3ebff2df62a21f5e92c35ab261abdc256aafbec 100644 (file)
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.h
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.h
@@ -234,7 +234,7 @@ struct r8192_priv {
 
        struct rx_desc *rx_ring;
        struct sk_buff  *rx_buf[MAX_RX_COUNT];
-       dma_addr_t      rx_ring_dma[MAX_RX_QUEUE];
+       dma_addr_t      rx_ring_dma;
        unsigned int    rx_idx[MAX_RX_QUEUE];
        int             rxringcount;
        u16             rxbuffersize;