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Code Issues Releases Wiki Activity

net: broadcom: rename BCM4908 driver & update DT binding

Browse source 
compatible string was updated to match normal naming convention so
update driver as well

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Rafał Miłecki 2021-02-11 13:12:34 +01:00 committed by David S. Miller
parent f08b5cf1eb
commit 9d61d138ab
5 changed files with 113 additions and 112 deletions
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2
MAINTAINERS
View file

@ -3451,7 +3451,7 @@ M: bcm-kernel-feedback-list@broadcom.com
L: netdev@vger.kernel.org L: netdev@vger.kernel.org
S: Maintained S: Maintained
F: Documentation/devicetree/bindings/net/brcm,bcm4908-enet.yaml F: Documentation/devicetree/bindings/net/brcm,bcm4908-enet.yaml
F: drivers/net/ethernet/broadcom/bcm4908enet.* F: drivers/net/ethernet/broadcom/bcm4908_enet.*
F: drivers/net/ethernet/broadcom/unimac.h F: drivers/net/ethernet/broadcom/unimac.h
BROADCOM BCM5301X ARM ARCHITECTURE BROADCOM BCM5301X ARM ARCHITECTURE

2
drivers/net/ethernet/broadcom/Kconfig
View file

@ -51,7 +51,7 @@ config B44_PCI
depends on B44_PCI_AUTOSELECT && B44_PCICORE_AUTOSELECT depends on B44_PCI_AUTOSELECT && B44_PCICORE_AUTOSELECT
default y default y
config BCM4908ENET config BCM4908_ENET
tristate "Broadcom BCM4908 internal mac support" tristate "Broadcom BCM4908 internal mac support"
depends on ARCH_BCM4908 || COMPILE_TEST depends on ARCH_BCM4908 || COMPILE_TEST
default y default y

2
drivers/net/ethernet/broadcom/Makefile
View file

@ -4,7 +4,7 @@
# #
obj-$(CONFIG_B44) += b44.o obj-$(CONFIG_B44) += b44.o
obj-$(CONFIG_BCM4908ENET) += bcm4908enet.o obj-$(CONFIG_BCM4908_ENET) += bcm4908_enet.o
obj-$(CONFIG_BCM63XX_ENET) += bcm63xx_enet.o obj-$(CONFIG_BCM63XX_ENET) += bcm63xx_enet.o
obj-$(CONFIG_BCMGENET) += genet/ obj-$(CONFIG_BCMGENET) += genet/
obj-$(CONFIG_BNX2) += bnx2.o obj-$(CONFIG_BNX2) += bnx2.o

215
drivers/net/ethernet/broadcom/bcm4908enet.c → drivers/net/ethernet/broadcom/bcm4908_enet.c
View file

@ -12,7 +12,7 @@
#include <linux/slab.h> #include <linux/slab.h>
#include <linux/string.h> #include <linux/string.h>
#include "bcm4908enet.h" #include "bcm4908_enet.h"
#include "unimac.h" #include "unimac.h"
#define ENET_DMA_CH_RX_CFG ENET_DMA_CH0_CFG #define ENET_DMA_CH_RX_CFG ENET_DMA_CH0_CFG
@ -33,18 +33,18 @@
#define ENET_MTU_MAX 1500 /* Is it possible to support 2044? */ #define ENET_MTU_MAX 1500 /* Is it possible to support 2044? */
#define ENET_MTU_MAX_EXTRA_SIZE 32 /* L2 */ #define ENET_MTU_MAX_EXTRA_SIZE 32 /* L2 */
struct bcm4908enet_dma_ring_bd { struct bcm4908_enet_dma_ring_bd {
__le32 ctl; __le32 ctl;
__le32 addr; __le32 addr;
} __packed; } __packed;
struct bcm4908enet_dma_ring_slot { struct bcm4908_enet_dma_ring_slot {
struct sk_buff *skb; struct sk_buff *skb;
unsigned int len; unsigned int len;
dma_addr_t dma_addr; dma_addr_t dma_addr;
}; };
struct bcm4908enet_dma_ring { struct bcm4908_enet_dma_ring {
int is_tx; int is_tx;
int read_idx; int read_idx;
int write_idx; int write_idx;
@ -54,38 +54,38 @@ struct bcm4908enet_dma_ring {
union { union {
void *cpu_addr; void *cpu_addr;
struct bcm4908enet_dma_ring_bd *buf_desc; struct bcm4908_enet_dma_ring_bd *buf_desc;
}; };
dma_addr_t dma_addr; dma_addr_t dma_addr;
struct bcm4908enet_dma_ring_slot *slots; struct bcm4908_enet_dma_ring_slot *slots;
}; };
struct bcm4908enet { struct bcm4908_enet {
struct device *dev; struct device *dev;
struct net_device *netdev; struct net_device *netdev;
struct napi_struct napi; struct napi_struct napi;
void __iomem *base; void __iomem *base;
struct bcm4908enet_dma_ring tx_ring; struct bcm4908_enet_dma_ring tx_ring;
struct bcm4908enet_dma_ring rx_ring; struct bcm4908_enet_dma_ring rx_ring;
}; };
/*** /***
* R/W ops * R/W ops
*/ */
static inline u32 enet_read(struct bcm4908enet *enet, u16 offset) static inline u32 enet_read(struct bcm4908_enet *enet, u16 offset)
{ {
return readl(enet->base + offset); return readl(enet->base + offset);
} }
static inline void enet_write(struct bcm4908enet *enet, u16 offset, u32 value) static inline void enet_write(struct bcm4908_enet *enet, u16 offset, u32 value)
{ {
writel(value, enet->base + offset); writel(value, enet->base + offset);
} }
static inline void enet_maskset(struct bcm4908enet *enet, u16 offset, u32 mask, u32 set) static inline void enet_maskset(struct bcm4908_enet *enet, u16 offset, u32 mask, u32 set)
{ {
u32 val; u32 val;
@ -96,27 +96,27 @@ static inline void enet_maskset(struct bcm4908enet *enet, u16 offset, u32 mask,
enet_write(enet, offset, val); enet_write(enet, offset, val);
} }
static inline void enet_set(struct bcm4908enet *enet, u16 offset, u32 set) static inline void enet_set(struct bcm4908_enet *enet, u16 offset, u32 set)
{ {
enet_maskset(enet, offset, set, set); enet_maskset(enet, offset, set, set);
} }
static inline u32 enet_umac_read(struct bcm4908enet *enet, u16 offset) static inline u32 enet_umac_read(struct bcm4908_enet *enet, u16 offset)
{ {
return enet_read(enet, ENET_UNIMAC + offset); return enet_read(enet, ENET_UNIMAC + offset);
} }
static inline void enet_umac_write(struct bcm4908enet *enet, u16 offset, u32 value) static inline void enet_umac_write(struct bcm4908_enet *enet, u16 offset, u32 value)
{ {
enet_write(enet, ENET_UNIMAC + offset, value); enet_write(enet, ENET_UNIMAC + offset, value);
} }
static inline void enet_umac_maskset(struct bcm4908enet *enet, u16 offset, u32 mask, u32 set) static inline void enet_umac_maskset(struct bcm4908_enet *enet, u16 offset, u32 mask, u32 set)
{ {
enet_maskset(enet, ENET_UNIMAC + offset, mask, set); enet_maskset(enet, ENET_UNIMAC + offset, mask, set);
} }
static inline void enet_umac_set(struct bcm4908enet *enet, u16 offset, u32 set) static inline void enet_umac_set(struct bcm4908_enet *enet, u16 offset, u32 set)
{ {
enet_set(enet, ENET_UNIMAC + offset, set); enet_set(enet, ENET_UNIMAC + offset, set);
} }
@ -125,17 +125,17 @@ static inline void enet_umac_set(struct bcm4908enet *enet, u16 offset, u32 set)
* Helpers * Helpers
*/ */
static void bcm4908enet_intrs_on(struct bcm4908enet *enet) static void bcm4908_enet_intrs_on(struct bcm4908_enet *enet)
{ {
enet_write(enet, ENET_DMA_CH_RX_CFG + ENET_DMA_CH_CFG_INT_MASK, ENET_DMA_INT_DEFAULTS); enet_write(enet, ENET_DMA_CH_RX_CFG + ENET_DMA_CH_CFG_INT_MASK, ENET_DMA_INT_DEFAULTS);
} }
static void bcm4908enet_intrs_off(struct bcm4908enet *enet) static void bcm4908_enet_intrs_off(struct bcm4908_enet *enet)
{ {
enet_write(enet, ENET_DMA_CH_RX_CFG + ENET_DMA_CH_CFG_INT_MASK, 0); enet_write(enet, ENET_DMA_CH_RX_CFG + ENET_DMA_CH_CFG_INT_MASK, 0);
} }
static void bcm4908enet_intrs_ack(struct bcm4908enet *enet) static void bcm4908_enet_intrs_ack(struct bcm4908_enet *enet)
{ {
enet_write(enet, ENET_DMA_CH_RX_CFG + ENET_DMA_CH_CFG_INT_STAT, ENET_DMA_INT_DEFAULTS); enet_write(enet, ENET_DMA_CH_RX_CFG + ENET_DMA_CH_CFG_INT_STAT, ENET_DMA_INT_DEFAULTS);
} }
@ -144,9 +144,10 @@ static void bcm4908enet_intrs_ack(struct bcm4908enet *enet)
* DMA * DMA
*/ */
static int bcm4908_dma_alloc_buf_descs(struct bcm4908enet *enet, struct bcm4908enet_dma_ring *ring) static int bcm4908_dma_alloc_buf_descs(struct bcm4908_enet *enet,
struct bcm4908_enet_dma_ring *ring)
{ {
int size = ring->length * sizeof(struct bcm4908enet_dma_ring_bd); int size = ring->length * sizeof(struct bcm4908_enet_dma_ring_bd);
struct device *dev = enet->dev; struct device *dev = enet->dev;
ring->cpu_addr = dma_alloc_coherent(dev, size, &ring->dma_addr, GFP_KERNEL); ring->cpu_addr = dma_alloc_coherent(dev, size, &ring->dma_addr, GFP_KERNEL);
@ -174,28 +175,28 @@ static int bcm4908_dma_alloc_buf_descs(struct bcm4908enet *enet, struct bcm4908e
return -ENOMEM; return -ENOMEM;
} }
static void bcm4908enet_dma_free(struct bcm4908enet *enet) static void bcm4908_enet_dma_free(struct bcm4908_enet *enet)
{ {
struct bcm4908enet_dma_ring *tx_ring = &enet->tx_ring; struct bcm4908_enet_dma_ring *tx_ring = &enet->tx_ring;
struct bcm4908enet_dma_ring *rx_ring = &enet->rx_ring; struct bcm4908_enet_dma_ring *rx_ring = &enet->rx_ring;
struct device *dev = enet->dev; struct device *dev = enet->dev;
int size; int size;
size = rx_ring->length * sizeof(struct bcm4908enet_dma_ring_bd); size = rx_ring->length * sizeof(struct bcm4908_enet_dma_ring_bd);
if (rx_ring->cpu_addr) if (rx_ring->cpu_addr)
dma_free_coherent(dev, size, rx_ring->cpu_addr, rx_ring->dma_addr); dma_free_coherent(dev, size, rx_ring->cpu_addr, rx_ring->dma_addr);
kfree(rx_ring->slots); kfree(rx_ring->slots);
size = tx_ring->length * sizeof(struct bcm4908enet_dma_ring_bd); size = tx_ring->length * sizeof(struct bcm4908_enet_dma_ring_bd);
if (tx_ring->cpu_addr) if (tx_ring->cpu_addr)
dma_free_coherent(dev, size, tx_ring->cpu_addr, tx_ring->dma_addr); dma_free_coherent(dev, size, tx_ring->cpu_addr, tx_ring->dma_addr);
kfree(tx_ring->slots); kfree(tx_ring->slots);
} }
static int bcm4908enet_dma_alloc(struct bcm4908enet *enet) static int bcm4908_enet_dma_alloc(struct bcm4908_enet *enet)
{ {
struct bcm4908enet_dma_ring *tx_ring = &enet->tx_ring; struct bcm4908_enet_dma_ring *tx_ring = &enet->tx_ring;
struct bcm4908enet_dma_ring *rx_ring = &enet->rx_ring; struct bcm4908_enet_dma_ring *rx_ring = &enet->rx_ring;
struct device *dev = enet->dev; struct device *dev = enet->dev;
int err; int err;
@ -216,16 +217,16 @@ static int bcm4908enet_dma_alloc(struct bcm4908enet *enet)
err = bcm4908_dma_alloc_buf_descs(enet, rx_ring); err = bcm4908_dma_alloc_buf_descs(enet, rx_ring);
if (err) { if (err) {
dev_err(dev, "Failed to alloc RX buf descriptors: %d\n", err); dev_err(dev, "Failed to alloc RX buf descriptors: %d\n", err);
bcm4908enet_dma_free(enet); bcm4908_enet_dma_free(enet);
return err; return err;
} }
return 0; return 0;
} }
static void bcm4908enet_dma_reset(struct bcm4908enet *enet) static void bcm4908_enet_dma_reset(struct bcm4908_enet *enet)
{ {
struct bcm4908enet_dma_ring *rings[] = { &enet->rx_ring, &enet->tx_ring }; struct bcm4908_enet_dma_ring *rings[] = { &enet->rx_ring, &enet->tx_ring };
int i; int i;
/* Disable the DMA controller and channel */ /* Disable the DMA controller and channel */
@ -235,7 +236,7 @@ static void bcm4908enet_dma_reset(struct bcm4908enet *enet)
/* Reset channels state */ /* Reset channels state */
for (i = 0; i < ARRAY_SIZE(rings); i++) { for (i = 0; i < ARRAY_SIZE(rings); i++) {
struct bcm4908enet_dma_ring *ring = rings[i]; struct bcm4908_enet_dma_ring *ring = rings[i];
enet_write(enet, ring->st_ram_block + ENET_DMA_CH_STATE_RAM_BASE_DESC_PTR, 0); enet_write(enet, ring->st_ram_block + ENET_DMA_CH_STATE_RAM_BASE_DESC_PTR, 0);
enet_write(enet, ring->st_ram_block + ENET_DMA_CH_STATE_RAM_STATE_DATA, 0); enet_write(enet, ring->st_ram_block + ENET_DMA_CH_STATE_RAM_STATE_DATA, 0);
@ -244,10 +245,10 @@ static void bcm4908enet_dma_reset(struct bcm4908enet *enet)
} }
} }
static int bcm4908enet_dma_alloc_rx_buf(struct bcm4908enet *enet, unsigned int idx) static int bcm4908_enet_dma_alloc_rx_buf(struct bcm4908_enet *enet, unsigned int idx)
{ {
struct bcm4908enet_dma_ring_bd *buf_desc = &enet->rx_ring.buf_desc[idx]; struct bcm4908_enet_dma_ring_bd *buf_desc = &enet->rx_ring.buf_desc[idx];
struct bcm4908enet_dma_ring_slot *slot = &enet->rx_ring.slots[idx]; struct bcm4908_enet_dma_ring_slot *slot = &enet->rx_ring.slots[idx];
struct device *dev = enet->dev; struct device *dev = enet->dev;
u32 tmp; u32 tmp;
int err; int err;
@ -277,8 +278,8 @@ static int bcm4908enet_dma_alloc_rx_buf(struct bcm4908enet *enet, unsigned int i
return 0; return 0;
} }
static void bcm4908enet_dma_ring_init(struct bcm4908enet *enet, static void bcm4908_enet_dma_ring_init(struct bcm4908_enet *enet,
struct bcm4908enet_dma_ring *ring) struct bcm4908_enet_dma_ring *ring)
{ {
int reset_channel = 0; /* We support only 1 main channel (with TX and RX) */ int reset_channel = 0; /* We support only 1 main channel (with TX and RX) */
int reset_subch = ring->is_tx ? 1 : 0; int reset_subch = ring->is_tx ? 1 : 0;
@ -295,10 +296,10 @@ static void bcm4908enet_dma_ring_init(struct bcm4908enet *enet,
(uint32_t)ring->dma_addr); (uint32_t)ring->dma_addr);
} }
static void bcm4908enet_dma_uninit(struct bcm4908enet *enet) static void bcm4908_enet_dma_uninit(struct bcm4908_enet *enet)
{ {
struct bcm4908enet_dma_ring *rx_ring = &enet->rx_ring; struct bcm4908_enet_dma_ring *rx_ring = &enet->rx_ring;
struct bcm4908enet_dma_ring_slot *slot; struct bcm4908_enet_dma_ring_slot *slot;
struct device *dev = enet->dev; struct device *dev = enet->dev;
int i; int i;
@ -312,48 +313,48 @@ static void bcm4908enet_dma_uninit(struct bcm4908enet *enet)
} }
} }
static int bcm4908enet_dma_init(struct bcm4908enet *enet) static int bcm4908_enet_dma_init(struct bcm4908_enet *enet)
{ {
struct bcm4908enet_dma_ring *rx_ring = &enet->rx_ring; struct bcm4908_enet_dma_ring *rx_ring = &enet->rx_ring;
struct device *dev = enet->dev; struct device *dev = enet->dev;
int err; int err;
int i; int i;
for (i = 0; i < rx_ring->length; i++) { for (i = 0; i < rx_ring->length; i++) {
err = bcm4908enet_dma_alloc_rx_buf(enet, i); err = bcm4908_enet_dma_alloc_rx_buf(enet, i);
if (err) { if (err) {
dev_err(dev, "Failed to alloc RX buffer: %d\n", err); dev_err(dev, "Failed to alloc RX buffer: %d\n", err);
bcm4908enet_dma_uninit(enet); bcm4908_enet_dma_uninit(enet);
return err; return err;
} }
} }
bcm4908enet_dma_ring_init(enet, &enet->tx_ring); bcm4908_enet_dma_ring_init(enet, &enet->tx_ring);
bcm4908enet_dma_ring_init(enet, &enet->rx_ring); bcm4908_enet_dma_ring_init(enet, &enet->rx_ring);
return 0; return 0;
} }
static void bcm4908enet_dma_tx_ring_ensable(struct bcm4908enet *enet, static void bcm4908_enet_dma_tx_ring_ensable(struct bcm4908_enet *enet,
struct bcm4908enet_dma_ring *ring) struct bcm4908_enet_dma_ring *ring)
{ {
enet_write(enet, ring->cfg_block + ENET_DMA_CH_CFG, ENET_DMA_CH_CFG_ENABLE); enet_write(enet, ring->cfg_block + ENET_DMA_CH_CFG, ENET_DMA_CH_CFG_ENABLE);
} }
static void bcm4908enet_dma_tx_ring_disable(struct bcm4908enet *enet, static void bcm4908_enet_dma_tx_ring_disable(struct bcm4908_enet *enet,
struct bcm4908enet_dma_ring *ring) struct bcm4908_enet_dma_ring *ring)
{ {
enet_write(enet, ring->cfg_block + ENET_DMA_CH_CFG, 0); enet_write(enet, ring->cfg_block + ENET_DMA_CH_CFG, 0);
} }
static void bcm4908enet_dma_rx_ring_enable(struct bcm4908enet *enet, static void bcm4908_enet_dma_rx_ring_enable(struct bcm4908_enet *enet,
struct bcm4908enet_dma_ring *ring) struct bcm4908_enet_dma_ring *ring)
{ {
enet_set(enet, ring->cfg_block + ENET_DMA_CH_CFG, ENET_DMA_CH_CFG_ENABLE); enet_set(enet, ring->cfg_block + ENET_DMA_CH_CFG, ENET_DMA_CH_CFG_ENABLE);
} }
static void bcm4908enet_dma_rx_ring_disable(struct bcm4908enet *enet, static void bcm4908_enet_dma_rx_ring_disable(struct bcm4908_enet *enet,
struct bcm4908enet_dma_ring *ring) struct bcm4908_enet_dma_ring *ring)
{ {
unsigned long deadline; unsigned long deadline;
u32 tmp; u32 tmp;
@ -376,7 +377,7 @@ static void bcm4908enet_dma_rx_ring_disable(struct bcm4908enet *enet,
* Ethernet driver * Ethernet driver
*/ */
static void bcm4908enet_gmac_init(struct bcm4908enet *enet) static void bcm4908_enet_gmac_init(struct bcm4908_enet *enet)
{ {
u32 cmd; u32 cmd;
@ -407,75 +408,75 @@ static void bcm4908enet_gmac_init(struct bcm4908enet *enet)
ENET_GMAC_STATUS_LINK_UP); ENET_GMAC_STATUS_LINK_UP);
} }
static irqreturn_t bcm4908enet_irq_handler(int irq, void *dev_id) static irqreturn_t bcm4908_enet_irq_handler(int irq, void *dev_id)
{ {
struct bcm4908enet *enet = dev_id; struct bcm4908_enet *enet = dev_id;
bcm4908enet_intrs_off(enet); bcm4908_enet_intrs_off(enet);
bcm4908enet_intrs_ack(enet); bcm4908_enet_intrs_ack(enet);
napi_schedule(&enet->napi); napi_schedule(&enet->napi);
return IRQ_HANDLED; return IRQ_HANDLED;
} }
static int bcm4908enet_open(struct net_device *netdev) static int bcm4908_enet_open(struct net_device *netdev)
{ {
struct bcm4908enet *enet = netdev_priv(netdev); struct bcm4908_enet *enet = netdev_priv(netdev);
struct device *dev = enet->dev; struct device *dev = enet->dev;
int err; int err;
err = request_irq(netdev->irq, bcm4908enet_irq_handler, 0, "enet", enet); err = request_irq(netdev->irq, bcm4908_enet_irq_handler, 0, "enet", enet);
if (err) { if (err) {
dev_err(dev, "Failed to request IRQ %d: %d\n", netdev->irq, err); dev_err(dev, "Failed to request IRQ %d: %d\n", netdev->irq, err);
return err; return err;
} }
bcm4908enet_gmac_init(enet); bcm4908_enet_gmac_init(enet);
bcm4908enet_dma_reset(enet); bcm4908_enet_dma_reset(enet);
bcm4908enet_dma_init(enet); bcm4908_enet_dma_init(enet);
enet_umac_set(enet, UMAC_CMD, CMD_TX_EN | CMD_RX_EN); enet_umac_set(enet, UMAC_CMD, CMD_TX_EN | CMD_RX_EN);
enet_set(enet, ENET_DMA_CONTROLLER_CFG, ENET_DMA_CTRL_CFG_MASTER_EN); enet_set(enet, ENET_DMA_CONTROLLER_CFG, ENET_DMA_CTRL_CFG_MASTER_EN);
enet_maskset(enet, ENET_DMA_CONTROLLER_CFG, ENET_DMA_CTRL_CFG_FLOWC_CH1_EN, 0); enet_maskset(enet, ENET_DMA_CONTROLLER_CFG, ENET_DMA_CTRL_CFG_FLOWC_CH1_EN, 0);
bcm4908enet_dma_rx_ring_enable(enet, &enet->rx_ring); bcm4908_enet_dma_rx_ring_enable(enet, &enet->rx_ring);
napi_enable(&enet->napi); napi_enable(&enet->napi);
netif_carrier_on(netdev); netif_carrier_on(netdev);
netif_start_queue(netdev); netif_start_queue(netdev);
bcm4908enet_intrs_ack(enet); bcm4908_enet_intrs_ack(enet);
bcm4908enet_intrs_on(enet); bcm4908_enet_intrs_on(enet);
return 0; return 0;
} }
static int bcm4908enet_stop(struct net_device *netdev) static int bcm4908_enet_stop(struct net_device *netdev)
{ {
struct bcm4908enet *enet = netdev_priv(netdev); struct bcm4908_enet *enet = netdev_priv(netdev);
netif_stop_queue(netdev); netif_stop_queue(netdev);
netif_carrier_off(netdev); netif_carrier_off(netdev);
napi_disable(&enet->napi); napi_disable(&enet->napi);
bcm4908enet_dma_rx_ring_disable(enet, &enet->rx_ring); bcm4908_enet_dma_rx_ring_disable(enet, &enet->rx_ring);
bcm4908enet_dma_tx_ring_disable(enet, &enet->tx_ring); bcm4908_enet_dma_tx_ring_disable(enet, &enet->tx_ring);
bcm4908enet_dma_uninit(enet); bcm4908_enet_dma_uninit(enet);
free_irq(enet->netdev->irq, enet); free_irq(enet->netdev->irq, enet);
return 0; return 0;
} }
static int bcm4908enet_start_xmit(struct sk_buff *skb, struct net_device *netdev) static int bcm4908_enet_start_xmit(struct sk_buff *skb, struct net_device *netdev)
{ {
struct bcm4908enet *enet = netdev_priv(netdev); struct bcm4908_enet *enet = netdev_priv(netdev);
struct bcm4908enet_dma_ring *ring = &enet->tx_ring; struct bcm4908_enet_dma_ring *ring = &enet->tx_ring;
struct bcm4908enet_dma_ring_slot *slot; struct bcm4908_enet_dma_ring_slot *slot;
struct device *dev = enet->dev; struct device *dev = enet->dev;
struct bcm4908enet_dma_ring_bd *buf_desc; struct bcm4908_enet_dma_ring_bd *buf_desc;
int free_buf_descs; int free_buf_descs;
u32 tmp; u32 tmp;
@ -525,7 +526,7 @@ static int bcm4908enet_start_xmit(struct sk_buff *skb, struct net_device *netdev
buf_desc->addr = cpu_to_le32((uint32_t)slot->dma_addr); buf_desc->addr = cpu_to_le32((uint32_t)slot->dma_addr);
buf_desc->ctl = cpu_to_le32(tmp); buf_desc->ctl = cpu_to_le32(tmp);
bcm4908enet_dma_tx_ring_ensable(enet, &enet->tx_ring); bcm4908_enet_dma_tx_ring_ensable(enet, &enet->tx_ring);
if (++ring->write_idx == ring->length - 1) if (++ring->write_idx == ring->length - 1)
ring->write_idx = 0; ring->write_idx = 0;
@ -535,15 +536,15 @@ static int bcm4908enet_start_xmit(struct sk_buff *skb, struct net_device *netdev
return NETDEV_TX_OK; return NETDEV_TX_OK;
} }
static int bcm4908enet_poll(struct napi_struct *napi, int weight) static int bcm4908_enet_poll(struct napi_struct *napi, int weight)
{ {
struct bcm4908enet *enet = container_of(napi, struct bcm4908enet, napi); struct bcm4908_enet *enet = container_of(napi, struct bcm4908_enet, napi);
struct device *dev = enet->dev; struct device *dev = enet->dev;
int handled = 0; int handled = 0;
while (handled < weight) { while (handled < weight) {
struct bcm4908enet_dma_ring_bd *buf_desc; struct bcm4908_enet_dma_ring_bd *buf_desc;
struct bcm4908enet_dma_ring_slot slot; struct bcm4908_enet_dma_ring_slot slot;
u32 ctl; u32 ctl;
int len; int len;
int err; int err;
@ -556,7 +557,7 @@ static int bcm4908enet_poll(struct napi_struct *napi, int weight)
slot = enet->rx_ring.slots[enet->rx_ring.read_idx]; slot = enet->rx_ring.slots[enet->rx_ring.read_idx];
/* Provide new buffer before unpinning the old one */ /* Provide new buffer before unpinning the old one */
err = bcm4908enet_dma_alloc_rx_buf(enet, enet->rx_ring.read_idx); err = bcm4908_enet_dma_alloc_rx_buf(enet, enet->rx_ring.read_idx);
if (err) if (err)
break; break;
@ -583,24 +584,24 @@ static int bcm4908enet_poll(struct napi_struct *napi, int weight)
if (handled < weight) { if (handled < weight) {
napi_complete_done(napi, handled); napi_complete_done(napi, handled);
bcm4908enet_intrs_on(enet); bcm4908_enet_intrs_on(enet);
} }
return handled; return handled;
} }
static const struct net_device_ops bcm96xx_netdev_ops = { static const struct net_device_ops bcm96xx_netdev_ops = {
.ndo_open = bcm4908enet_open, .ndo_open = bcm4908_enet_open,
.ndo_stop = bcm4908enet_stop, .ndo_stop = bcm4908_enet_stop,
.ndo_start_xmit = bcm4908enet_start_xmit, .ndo_start_xmit = bcm4908_enet_start_xmit,
.ndo_set_mac_address = eth_mac_addr, .ndo_set_mac_address = eth_mac_addr,
}; };
static int bcm4908enet_probe(struct platform_device *pdev) static int bcm4908_enet_probe(struct platform_device *pdev)
{ {
struct device *dev = &pdev->dev; struct device *dev = &pdev->dev;
struct net_device *netdev; struct net_device *netdev;
struct bcm4908enet *enet; struct bcm4908_enet *enet;
int err; int err;
netdev = devm_alloc_etherdev(dev, sizeof(*enet)); netdev = devm_alloc_etherdev(dev, sizeof(*enet));
@ -623,7 +624,7 @@ static int bcm4908enet_probe(struct platform_device *pdev)
dma_set_coherent_mask(dev, DMA_BIT_MASK(32)); dma_set_coherent_mask(dev, DMA_BIT_MASK(32));
err = bcm4908enet_dma_alloc(enet); err = bcm4908_enet_dma_alloc(enet);
if (err) if (err)
return err; return err;
@ -633,11 +634,11 @@ static int bcm4908enet_probe(struct platform_device *pdev)
netdev->min_mtu = ETH_ZLEN; netdev->min_mtu = ETH_ZLEN;
netdev->mtu = ENET_MTU_MAX; netdev->mtu = ENET_MTU_MAX;
netdev->max_mtu = ENET_MTU_MAX; netdev->max_mtu = ENET_MTU_MAX;
netif_napi_add(netdev, &enet->napi, bcm4908enet_poll, 64); netif_napi_add(netdev, &enet->napi, bcm4908_enet_poll, 64);
err = register_netdev(netdev); err = register_netdev(netdev);
if (err) { if (err) {
bcm4908enet_dma_free(enet); bcm4908_enet_dma_free(enet);
return err; return err;
} }
@ -646,31 +647,31 @@ static int bcm4908enet_probe(struct platform_device *pdev)
return 0; return 0;
} }
static int bcm4908enet_remove(struct platform_device *pdev) static int bcm4908_enet_remove(struct platform_device *pdev)
{ {
struct bcm4908enet *enet = platform_get_drvdata(pdev); struct bcm4908_enet *enet = platform_get_drvdata(pdev);
unregister_netdev(enet->netdev); unregister_netdev(enet->netdev);
netif_napi_del(&enet->napi); netif_napi_del(&enet->napi);
bcm4908enet_dma_free(enet); bcm4908_enet_dma_free(enet);
return 0; return 0;
} }
static const struct of_device_id bcm4908enet_of_match[] = { static const struct of_device_id bcm4908_enet_of_match[] = {
{ .compatible = "brcm,bcm4908enet"}, { .compatible = "brcm,bcm4908-enet"},
{}, {},
}; };
static struct platform_driver bcm4908enet_driver = { static struct platform_driver bcm4908_enet_driver = {
.driver = { .driver = {
.name = "bcm4908enet", .name = "bcm4908_enet",
.of_match_table = bcm4908enet_of_match, .of_match_table = bcm4908_enet_of_match,
}, },
.probe = bcm4908enet_probe, .probe = bcm4908_enet_probe,
.remove = bcm4908enet_remove, .remove = bcm4908_enet_remove,
}; };
module_platform_driver(bcm4908enet_driver); module_platform_driver(bcm4908_enet_driver);
MODULE_LICENSE("GPL v2"); MODULE_LICENSE("GPL v2");
MODULE_DEVICE_TABLE(of, bcm4908enet_of_match); MODULE_DEVICE_TABLE(of, bcm4908_enet_of_match);

4
drivers/net/ethernet/broadcom/bcm4908enet.h → drivers/net/ethernet/broadcom/bcm4908_enet.h
View file

@ -1,6 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0-only */ /* SPDX-License-Identifier: GPL-2.0-only */
#ifndef __BCM4908ENET_H #ifndef __BCM4908_ENET_H
#define __BCM4908ENET_H #define __BCM4908_ENET_H
#define ENET_CONTROL 0x000 #define ENET_CONTROL 0x000
#define ENET_MIB_CTRL 0x004 #define ENET_MIB_CTRL 0x004