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path: root/drivers/net/stmmac
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Diffstat (limited to 'drivers/net/stmmac')
-rw-r--r--drivers/net/stmmac/common.h1
-rw-r--r--drivers/net/stmmac/dwmac1000.h1
-rw-r--r--drivers/net/stmmac/dwmac1000_dma.c9
-rw-r--r--drivers/net/stmmac/dwmac_dma.h1
-rw-r--r--drivers/net/stmmac/dwmac_lib.c7
-rw-r--r--drivers/net/stmmac/enh_desc.c6
6 files changed, 12 insertions, 13 deletions
diff --git a/drivers/net/stmmac/common.h b/drivers/net/stmmac/common.h
index bd3b78510706..27a05b443ec3 100644
--- a/drivers/net/stmmac/common.h
+++ b/drivers/net/stmmac/common.h
@@ -244,3 +244,4 @@ extern void stmmac_set_mac_addr(unsigned long ioaddr, u8 addr[6],
unsigned int high, unsigned int low);
extern void stmmac_get_mac_addr(unsigned long ioaddr, unsigned char *addr,
unsigned int high, unsigned int low);
+extern void dwmac_dma_flush_tx_fifo(unsigned long ioaddr);
diff --git a/drivers/net/stmmac/dwmac1000.h b/drivers/net/stmmac/dwmac1000.h
index 3b784fc9320b..d8d0f3553770 100644
--- a/drivers/net/stmmac/dwmac1000.h
+++ b/drivers/net/stmmac/dwmac1000.h
@@ -172,7 +172,6 @@ enum rfd {
deac_full_minus_4 = 0x00401800,
};
#define DMA_CONTROL_TSF 0x00200000 /* Transmit Store and Forward */
-#define DMA_CONTROL_FTF 0x00100000 /* Flush transmit FIFO */
enum ttc_control {
DMA_CONTROL_TTC_64 = 0x00000000,
diff --git a/drivers/net/stmmac/dwmac1000_dma.c b/drivers/net/stmmac/dwmac1000_dma.c
index 8d3ea99d8adf..a547aa99e114 100644
--- a/drivers/net/stmmac/dwmac1000_dma.c
+++ b/drivers/net/stmmac/dwmac1000_dma.c
@@ -58,15 +58,6 @@ static int dwmac1000_dma_init(unsigned long ioaddr, int pbl, u32 dma_tx,
return 0;
}
-/* Transmit FIFO flush operation */
-static void dwmac1000_flush_tx_fifo(unsigned long ioaddr)
-{
- u32 csr6 = readl(ioaddr + DMA_CONTROL);
- writel((csr6 | DMA_CONTROL_FTF), ioaddr + DMA_CONTROL);
-
- do {} while ((readl(ioaddr + DMA_CONTROL) & DMA_CONTROL_FTF));
-}
-
static void dwmac1000_dma_operation_mode(unsigned long ioaddr, int txmode,
int rxmode)
{
diff --git a/drivers/net/stmmac/dwmac_dma.h b/drivers/net/stmmac/dwmac_dma.h
index de848d9f6060..7b815a1b7b8c 100644
--- a/drivers/net/stmmac/dwmac_dma.h
+++ b/drivers/net/stmmac/dwmac_dma.h
@@ -95,6 +95,7 @@
#define DMA_STATUS_TU 0x00000004 /* Transmit Buffer Unavailable */
#define DMA_STATUS_TPS 0x00000002 /* Transmit Process Stopped */
#define DMA_STATUS_TI 0x00000001 /* Transmit Interrupt */
+#define DMA_CONTROL_FTF 0x00100000 /* Flush transmit FIFO */
extern void dwmac_enable_dma_transmission(unsigned long ioaddr);
extern void dwmac_enable_dma_irq(unsigned long ioaddr);
diff --git a/drivers/net/stmmac/dwmac_lib.c b/drivers/net/stmmac/dwmac_lib.c
index d4adb1eaa447..0a504adb7eb3 100644
--- a/drivers/net/stmmac/dwmac_lib.c
+++ b/drivers/net/stmmac/dwmac_lib.c
@@ -227,6 +227,13 @@ int dwmac_dma_interrupt(unsigned long ioaddr,
return ret;
}
+void dwmac_dma_flush_tx_fifo(unsigned long ioaddr)
+{
+ u32 csr6 = readl(ioaddr + DMA_CONTROL);
+ writel((csr6 | DMA_CONTROL_FTF), ioaddr + DMA_CONTROL);
+
+ do {} while ((readl(ioaddr + DMA_CONTROL) & DMA_CONTROL_FTF));
+}
void stmmac_set_mac_addr(unsigned long ioaddr, u8 addr[6],
unsigned int high, unsigned int low)
diff --git a/drivers/net/stmmac/enh_desc.c b/drivers/net/stmmac/enh_desc.c
index e5ac2593dc68..eb5684a1f713 100644
--- a/drivers/net/stmmac/enh_desc.c
+++ b/drivers/net/stmmac/enh_desc.c
@@ -40,7 +40,7 @@ static int enh_desc_get_tx_status(void *data, struct stmmac_extra_stats *x,
if (unlikely(p->des01.etx.frame_flushed)) {
CHIP_DBG(KERN_ERR "\tframe_flushed error\n");
x->tx_frame_flushed++;
- /*enh_desc_flush_tx_fifo(ioaddr);*/
+ dwmac_dma_flush_tx_fifo(ioaddr);
}
if (unlikely(p->des01.etx.loss_carrier)) {
@@ -68,7 +68,7 @@ static int enh_desc_get_tx_status(void *data, struct stmmac_extra_stats *x,
if (unlikely(p->des01.etx.underflow_error)) {
CHIP_DBG(KERN_ERR "\tunderflow error\n");
- /*enh_desc_flush_tx_fifo(ioaddr);*/
+ dwmac_dma_flush_tx_fifo(ioaddr);
x->tx_underflow++;
}
@@ -80,7 +80,7 @@ static int enh_desc_get_tx_status(void *data, struct stmmac_extra_stats *x,
if (unlikely(p->des01.etx.payload_error)) {
CHIP_DBG(KERN_ERR "\tAddr/Payload csum error\n");
x->tx_payload_error++;
- /*enh_desc_flush_tx_fifo(ioaddr);*/
+ dwmac_dma_flush_tx_fifo(ioaddr);
}
ret = -1;