[U-Boot] [PATCH] macb: make checkpatch clean

Josh Wu josh.wu at atmel.com
Tue May 27 10:07:30 CEST 2014


Hi, Dear Andreas

On 5/27/2014 4:55 AM, Andreas Bießmann wrote:
> This also renames the CONFIG_SYS_MACB_xx defines. They are used just local and
> therefore don't need the CONFIG_SYS_ prefix.
>
> Signed-off-by: Andreas Bießmann <andreas.devel at googlemail.com>

This patch looks good to me.
Reviewed-by: Josh Wu <josh.wu at atmel.com>

Best Regards,
Josh Wu

> ---
>
>   drivers/net/macb.c |   56 +++++++++++++++++++++++++++-------------------------
>   1 file changed, 29 insertions(+), 27 deletions(-)
>
> diff --git a/drivers/net/macb.c b/drivers/net/macb.c
> index 781a272..750331d 100644
> --- a/drivers/net/macb.c
> +++ b/drivers/net/macb.c
> @@ -40,11 +40,11 @@
>   
>   #include "macb.h"
>   
> -#define CONFIG_SYS_MACB_RX_BUFFER_SIZE		4096
> -#define CONFIG_SYS_MACB_RX_RING_SIZE		(CONFIG_SYS_MACB_RX_BUFFER_SIZE / 128)
> -#define CONFIG_SYS_MACB_TX_RING_SIZE		16
> -#define CONFIG_SYS_MACB_TX_TIMEOUT		1000
> -#define CONFIG_SYS_MACB_AUTONEG_TIMEOUT	5000000
> +#define MACB_RX_BUFFER_SIZE		4096
> +#define MACB_RX_RING_SIZE		(MACB_RX_BUFFER_SIZE / 128)
> +#define MACB_TX_RING_SIZE		16
> +#define MACB_TX_TIMEOUT		1000
> +#define MACB_AUTONEG_TIMEOUT	5000000
>   
>   struct macb_dma_desc {
>   	u32	addr;
> @@ -170,7 +170,7 @@ int macb_miiphy_read(const char *devname, u8 phy_adr, u8 reg, u16 *value)
>   	struct eth_device *dev = eth_get_dev_by_name(devname);
>   	struct macb_device *macb = to_macb(dev);
>   
> -	if ( macb->phy_addr != phy_adr )
> +	if (macb->phy_addr != phy_adr)
>   		return -1;
>   
>   	arch_get_mdio_control(devname);
> @@ -184,7 +184,7 @@ int macb_miiphy_write(const char *devname, u8 phy_adr, u8 reg, u16 value)
>   	struct eth_device *dev = eth_get_dev_by_name(devname);
>   	struct macb_device *macb = to_macb(dev);
>   
> -	if ( macb->phy_addr != phy_adr )
> +	if (macb->phy_addr != phy_adr)
>   		return -1;
>   
>   	arch_get_mdio_control(devname);
> @@ -208,11 +208,12 @@ static int macb_send(struct eth_device *netdev, void *packet, int length)
>   
>   	ctrl = length & TXBUF_FRMLEN_MASK;
>   	ctrl |= TXBUF_FRAME_END;
> -	if (tx_head == (CONFIG_SYS_MACB_TX_RING_SIZE - 1)) {
> +	if (tx_head == (MACB_TX_RING_SIZE - 1)) {
>   		ctrl |= TXBUF_WRAP;
>   		macb->tx_head = 0;
> -	} else
> +	} else {
>   		macb->tx_head++;
> +	}
>   
>   	macb->tx_ring[tx_head].ctrl = ctrl;
>   	macb->tx_ring[tx_head].addr = paddr;
> @@ -223,7 +224,7 @@ static int macb_send(struct eth_device *netdev, void *packet, int length)
>   	 * I guess this is necessary because the networking core may
>   	 * re-use the transmit buffer as soon as we return...
>   	 */
> -	for (i = 0; i <= CONFIG_SYS_MACB_TX_TIMEOUT; i++) {
> +	for (i = 0; i <= MACB_TX_TIMEOUT; i++) {
>   		barrier();
>   		ctrl = macb->tx_ring[tx_head].ctrl;
>   		if (ctrl & TXBUF_USED)
> @@ -233,7 +234,7 @@ static int macb_send(struct eth_device *netdev, void *packet, int length)
>   
>   	dma_unmap_single(packet, length, paddr);
>   
> -	if (i <= CONFIG_SYS_MACB_TX_TIMEOUT) {
> +	if (i <= MACB_TX_TIMEOUT) {
>   		if (ctrl & TXBUF_UNDERRUN)
>   			printf("%s: TX underrun\n", netdev->name);
>   		if (ctrl & TXBUF_EXHAUSTED)
> @@ -256,7 +257,7 @@ static void reclaim_rx_buffers(struct macb_device *macb,
>   	while (i > new_tail) {
>   		macb->rx_ring[i].addr &= ~RXADDR_USED;
>   		i++;
> -		if (i > CONFIG_SYS_MACB_RX_RING_SIZE)
> +		if (i > MACB_RX_RING_SIZE)
>   			i = 0;
>   	}
>   
> @@ -295,7 +296,7 @@ static int macb_recv(struct eth_device *netdev)
>   			if (wrapped) {
>   				unsigned int headlen, taillen;
>   
> -				headlen = 128 * (CONFIG_SYS_MACB_RX_RING_SIZE
> +				headlen = 128 * (MACB_RX_RING_SIZE
>   						 - macb->rx_tail);
>   				taillen = length - headlen;
>   				memcpy((void *)NetRxPackets[0],
> @@ -306,11 +307,11 @@ static int macb_recv(struct eth_device *netdev)
>   			}
>   
>   			NetReceive(buffer, length);
> -			if (++rx_tail >= CONFIG_SYS_MACB_RX_RING_SIZE)
> +			if (++rx_tail >= MACB_RX_RING_SIZE)
>   				rx_tail = 0;
>   			reclaim_rx_buffers(macb, rx_tail);
>   		} else {
> -			if (++rx_tail >= CONFIG_SYS_MACB_RX_RING_SIZE) {
> +			if (++rx_tail >= MACB_RX_RING_SIZE) {
>   				wrapped = 1;
>   				rx_tail = 0;
>   			}
> @@ -333,7 +334,7 @@ static void macb_phy_reset(struct macb_device *macb)
>   	macb_mdio_write(macb, MII_BMCR, (BMCR_ANENABLE
>   					 | BMCR_ANRESTART));
>   
> -	for (i = 0; i < CONFIG_SYS_MACB_AUTONEG_TIMEOUT / 100; i++) {
> +	for (i = 0; i < MACB_AUTONEG_TIMEOUT / 100; i++) {
>   		status = macb_mdio_read(macb, MII_BMSR);
>   		if (status & BMSR_ANEGCOMPLETE)
>   			break;
> @@ -385,9 +386,8 @@ static int macb_phy_init(struct macb_device *macb)
>   	arch_get_mdio_control(netdev->name);
>   #ifdef CONFIG_MACB_SEARCH_PHY
>   	/* Auto-detect phy_addr */
> -	if (!macb_phy_find(macb)) {
> +	if (!macb_phy_find(macb))
>   		return 0;
> -	}
>   #endif /* CONFIG_MACB_SEARCH_PHY */
>   
>   	/* Check if the PHY is up to snuff... */
> @@ -414,7 +414,7 @@ static int macb_phy_init(struct macb_device *macb)
>   		/* Try to re-negotiate if we don't have link already. */
>   		macb_phy_reset(macb);
>   
> -		for (i = 0; i < CONFIG_SYS_MACB_AUTONEG_TIMEOUT / 100; i++) {
> +		for (i = 0; i < MACB_AUTONEG_TIMEOUT / 100; i++) {
>   			status = macb_mdio_read(macb, MII_BMSR);
>   			if (status & BMSR_LSTATUS)
>   				break;
> @@ -499,21 +499,23 @@ static int macb_init(struct eth_device *netdev, bd_t *bd)
>   
>   	/* initialize DMA descriptors */
>   	paddr = macb->rx_buffer_dma;
> -	for (i = 0; i < CONFIG_SYS_MACB_RX_RING_SIZE; i++) {
> -		if (i == (CONFIG_SYS_MACB_RX_RING_SIZE - 1))
> +	for (i = 0; i < MACB_RX_RING_SIZE; i++) {
> +		if (i == (MACB_RX_RING_SIZE - 1))
>   			paddr |= RXADDR_WRAP;
>   		macb->rx_ring[i].addr = paddr;
>   		macb->rx_ring[i].ctrl = 0;
>   		paddr += 128;
>   	}
> -	for (i = 0; i < CONFIG_SYS_MACB_TX_RING_SIZE; i++) {
> +	for (i = 0; i < MACB_TX_RING_SIZE; i++) {
>   		macb->tx_ring[i].addr = 0;
> -		if (i == (CONFIG_SYS_MACB_TX_RING_SIZE - 1))
> +		if (i == (MACB_TX_RING_SIZE - 1))
>   			macb->tx_ring[i].ctrl = TXBUF_USED | TXBUF_WRAP;
>   		else
>   			macb->tx_ring[i].ctrl = TXBUF_USED;
>   	}
> -	macb->rx_tail = macb->tx_head = macb->tx_tail = 0;
> +	macb->rx_tail = 0;
> +	macb->tx_head = 0;
> +	macb->tx_tail = 0;
>   
>   	macb_writel(macb, RBQP, macb->rx_ring_dma);
>   	macb_writel(macb, TBQP, macb->tx_ring_dma);
> @@ -654,12 +656,12 @@ int macb_eth_initialize(int id, void *regs, unsigned int phy_addr)
>   
>   	netdev = &macb->netdev;
>   
> -	macb->rx_buffer = dma_alloc_coherent(CONFIG_SYS_MACB_RX_BUFFER_SIZE,
> +	macb->rx_buffer = dma_alloc_coherent(MACB_RX_BUFFER_SIZE,
>   					     &macb->rx_buffer_dma);
> -	macb->rx_ring = dma_alloc_coherent(CONFIG_SYS_MACB_RX_RING_SIZE
> +	macb->rx_ring = dma_alloc_coherent(MACB_RX_RING_SIZE
>   					   * sizeof(struct macb_dma_desc),
>   					   &macb->rx_ring_dma);
> -	macb->tx_ring = dma_alloc_coherent(CONFIG_SYS_MACB_TX_RING_SIZE
> +	macb->tx_ring = dma_alloc_coherent(MACB_TX_RING_SIZE
>   					   * sizeof(struct macb_dma_desc),
>   					   &macb->tx_ring_dma);
>   



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