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ar71xx: ag71xx: prepare to make ring sizes configurable

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@27040 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
juhosg
2011-05-31 22:53:09 +00:00
parent 940317dc35
commit a137dec884
3 changed files with 32 additions and 35 deletions
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13
target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_debugfs.c
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@@ -155,7 +155,6 @@ static ssize_t read_file_ring(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos,
struct ag71xx *ag,
struct ag71xx_ring *ring,
unsigned ring_size,
unsigned desc_reg)
{
char *buf;
@@ -168,7 +167,7 @@ static ssize_t read_file_ring(struct file *file, char __user *user_buf,
u32 desc_hw;
int i;
buflen = (ring_size * DESC_PRINT_LEN);
buflen = (ring->size * DESC_PRINT_LEN);
buf = kmalloc(buflen, GFP_KERNEL);
if (!buf)
return -ENOMEM;
@@ -179,10 +178,10 @@ static ssize_t read_file_ring(struct file *file, char __user *user_buf,
spin_lock_irqsave(&ag->lock, flags);
curr = (ring->curr % ring_size);
dirty = (ring->dirty % ring_size);
curr = (ring->curr % ring->size);
dirty = (ring->dirty % ring->size);
desc_hw = ag71xx_rr(ag, desc_reg);
for (i = 0; i < ring_size; i++) {
for (i = 0; i < ring->size; i++) {
struct ag71xx_buf *ab = &ring->buf[i];
u32 desc_dma = ((u32) ring->descs_dma) + i * ring->desc_size;
@@ -214,7 +213,7 @@ static ssize_t read_file_tx_ring(struct file *file, char __user *user_buf,
struct ag71xx *ag = file->private_data;
return read_file_ring(file, user_buf, count, ppos, ag, &ag->tx_ring,
AG71XX_TX_RING_SIZE, AG71XX_REG_TX_DESC);
AG71XX_REG_TX_DESC);
}
static const struct file_operations ag71xx_fops_tx_ring = {
@@ -229,7 +228,7 @@ static ssize_t read_file_rx_ring(struct file *file, char __user *user_buf,
struct ag71xx *ag = file->private_data;
return read_file_ring(file, user_buf, count, ppos, ag, &ag->rx_ring,
AG71XX_RX_RING_SIZE, AG71XX_REG_RX_DESC);
AG71XX_REG_RX_DESC);
}
static const struct file_operations ag71xx_fops_rx_ring = {