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Date: Fri, 8 Oct 2021 10:59:13 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: davem@...emloft.net
Cc: netdev@...r.kernel.org, Jakub Kicinski <kuba@...nel.org>
Subject: [PATCH net-next 5/5] ethernet: 8390: remove direct netdev->dev_addr writes
8390 contains a lot of loops assigning netdev->dev_addr
byte by byte. Convert what's possible directly to
eth_hw_addr_set(), use local buf in other places.
Signed-off-by: Jakub Kicinski <kuba@...nel.org>
---
drivers/net/ethernet/8390/apne.c | 3 +--
drivers/net/ethernet/8390/ax88796.c | 6 ++++--
drivers/net/ethernet/8390/axnet_cs.c | 7 +++++--
drivers/net/ethernet/8390/mcf8390.c | 3 +--
drivers/net/ethernet/8390/ne.c | 4 +---
drivers/net/ethernet/8390/pcnet_cs.c | 22 ++++++++++++++++------
drivers/net/ethernet/8390/stnic.c | 5 ++---
drivers/net/ethernet/8390/zorro8390.c | 3 +--
8 files changed, 31 insertions(+), 22 deletions(-)
diff --git a/drivers/net/ethernet/8390/apne.c b/drivers/net/ethernet/8390/apne.c
index da1ae37a9d73..991ad953aa79 100644
--- a/drivers/net/ethernet/8390/apne.c
+++ b/drivers/net/ethernet/8390/apne.c
@@ -320,8 +320,7 @@ static int __init apne_probe1(struct net_device *dev, int ioaddr)
i = request_irq(dev->irq, apne_interrupt, IRQF_SHARED, DRV_NAME, dev);
if (i) return i;
- for (i = 0; i < ETH_ALEN; i++)
- dev->dev_addr[i] = SA_prom[i];
+ eth_hw_addr_set(dev, SA_prom);
pr_cont(" %pM\n", dev->dev_addr);
diff --git a/drivers/net/ethernet/8390/ax88796.c b/drivers/net/ethernet/8390/ax88796.c
index b3e612b18abd..1f8acbba5b6b 100644
--- a/drivers/net/ethernet/8390/ax88796.c
+++ b/drivers/net/ethernet/8390/ax88796.c
@@ -748,11 +748,13 @@ static int ax_init_dev(struct net_device *dev)
/* load the mac-address from the device */
if (ax->plat->flags & AXFLG_MAC_FROMDEV) {
+ u8 addr[ETH_ALEN];
+
ei_outb(E8390_NODMA + E8390_PAGE1 + E8390_STOP,
ei_local->mem + E8390_CMD); /* 0x61 */
for (i = 0; i < ETH_ALEN; i++)
- dev->dev_addr[i] =
- ei_inb(ioaddr + EN1_PHYS_SHIFT(i));
+ addr[i] = ei_inb(ioaddr + EN1_PHYS_SHIFT(i));
+ eth_hw_addr_set(dev, addr);
}
if ((ax->plat->flags & AXFLG_MAC_FROMPLATFORM) &&
diff --git a/drivers/net/ethernet/8390/axnet_cs.c b/drivers/net/ethernet/8390/axnet_cs.c
index 3c370e686ec3..3aef959fc25b 100644
--- a/drivers/net/ethernet/8390/axnet_cs.c
+++ b/drivers/net/ethernet/8390/axnet_cs.c
@@ -187,6 +187,7 @@ static int get_prom(struct pcmcia_device *link)
{
struct net_device *dev = link->priv;
unsigned int ioaddr = dev->base_addr;
+ u8 addr[ETH_ALEN];
int i, j;
/* This is based on drivers/net/ethernet/8390/ne.c */
@@ -220,9 +221,11 @@ static int get_prom(struct pcmcia_device *link)
for (i = 0; i < 6; i += 2) {
j = inw(ioaddr + AXNET_DATAPORT);
- dev->dev_addr[i] = j & 0xff;
- dev->dev_addr[i+1] = j >> 8;
+ addr[i] = j & 0xff;
+ addr[i+1] = j >> 8;
}
+ eth_hw_addr_set(dev, addr);
+
return 1;
} /* get_prom */
diff --git a/drivers/net/ethernet/8390/mcf8390.c b/drivers/net/ethernet/8390/mcf8390.c
index 4ad8031ab669..e320cccba61a 100644
--- a/drivers/net/ethernet/8390/mcf8390.c
+++ b/drivers/net/ethernet/8390/mcf8390.c
@@ -374,8 +374,7 @@ static int mcf8390_init(struct net_device *dev)
if (ret)
return ret;
- for (i = 0; i < ETH_ALEN; i++)
- dev->dev_addr[i] = SA_prom[i];
+ eth_hw_addr_set(dev, SA_prom);
netdev_dbg(dev, "Found ethernet address: %pM\n", dev->dev_addr);
diff --git a/drivers/net/ethernet/8390/ne.c b/drivers/net/ethernet/8390/ne.c
index 9afc712f5948..0a9118b8be0c 100644
--- a/drivers/net/ethernet/8390/ne.c
+++ b/drivers/net/ethernet/8390/ne.c
@@ -500,9 +500,7 @@ static int __init ne_probe1(struct net_device *dev, unsigned long ioaddr)
dev->base_addr = ioaddr;
- for (i = 0; i < ETH_ALEN; i++) {
- dev->dev_addr[i] = SA_prom[i];
- }
+ eth_hw_addr_set(dev, SA_prom);
pr_cont("%pM\n", dev->dev_addr);
diff --git a/drivers/net/ethernet/8390/pcnet_cs.c b/drivers/net/ethernet/8390/pcnet_cs.c
index 96ad72abd373..0f07fe03da98 100644
--- a/drivers/net/ethernet/8390/pcnet_cs.c
+++ b/drivers/net/ethernet/8390/pcnet_cs.c
@@ -278,6 +278,7 @@ static struct hw_info *get_hwinfo(struct pcmcia_device *link)
{
struct net_device *dev = link->priv;
u_char __iomem *base, *virt;
+ u8 addr[ETH_ALEN];
int i, j;
/* Allocate a small memory window */
@@ -302,7 +303,8 @@ static struct hw_info *get_hwinfo(struct pcmcia_device *link)
(readb(base+2) == hw_info[i].a1) &&
(readb(base+4) == hw_info[i].a2)) {
for (j = 0; j < 6; j++)
- dev->dev_addr[j] = readb(base + (j<<1));
+ addr[j] = readb(base + (j<<1));
+ eth_hw_addr_set(dev, addr);
break;
}
}
@@ -324,6 +326,7 @@ static struct hw_info *get_prom(struct pcmcia_device *link)
{
struct net_device *dev = link->priv;
unsigned int ioaddr = dev->base_addr;
+ u8 addr[ETH_ALEN];
u_char prom[32];
int i, j;
@@ -362,7 +365,8 @@ static struct hw_info *get_prom(struct pcmcia_device *link)
}
if ((i < NR_INFO) || ((prom[28] == 0x57) && (prom[30] == 0x57))) {
for (j = 0; j < 6; j++)
- dev->dev_addr[j] = prom[j<<1];
+ addr[j] = prom[j<<1];
+ eth_hw_addr_set(dev, addr);
return (i < NR_INFO) ? hw_info+i : &default_info;
}
return NULL;
@@ -377,6 +381,7 @@ static struct hw_info *get_prom(struct pcmcia_device *link)
static struct hw_info *get_dl10019(struct pcmcia_device *link)
{
struct net_device *dev = link->priv;
+ u8 addr[ETH_ALEN];
int i;
u_char sum;
@@ -385,7 +390,8 @@ static struct hw_info *get_dl10019(struct pcmcia_device *link)
if (sum != 0xff)
return NULL;
for (i = 0; i < 6; i++)
- dev->dev_addr[i] = inb_p(dev->base_addr + 0x14 + i);
+ addr[i] = inb_p(dev->base_addr + 0x14 + i);
+ eth_hw_addr_set(dev, addr);
i = inb(dev->base_addr + 0x1f);
return ((i == 0x91)||(i == 0x99)) ? &dl10022_info : &dl10019_info;
}
@@ -400,6 +406,7 @@ static struct hw_info *get_ax88190(struct pcmcia_device *link)
{
struct net_device *dev = link->priv;
unsigned int ioaddr = dev->base_addr;
+ u8 addr[ETH_ALEN];
int i, j;
/* Not much of a test, but the alternatives are messy */
@@ -413,9 +420,10 @@ static struct hw_info *get_ax88190(struct pcmcia_device *link)
for (i = 0; i < 6; i += 2) {
j = inw(ioaddr + PCNET_DATAPORT);
- dev->dev_addr[i] = j & 0xff;
- dev->dev_addr[i+1] = j >> 8;
+ addr[i] = j & 0xff;
+ addr[i+1] = j >> 8;
}
+ eth_hw_addr_set(dev, addr);
return NULL;
}
@@ -430,6 +438,7 @@ static struct hw_info *get_ax88190(struct pcmcia_device *link)
static struct hw_info *get_hwired(struct pcmcia_device *link)
{
struct net_device *dev = link->priv;
+ u8 addr[ETH_ALEN];
int i;
for (i = 0; i < 6; i++)
@@ -438,7 +447,8 @@ static struct hw_info *get_hwired(struct pcmcia_device *link)
return NULL;
for (i = 0; i < 6; i++)
- dev->dev_addr[i] = hw_addr[i];
+ addr[i] = hw_addr[i];
+ eth_hw_addr_set(dev, addr);
return &default_info;
} /* get_hwired */
diff --git a/drivers/net/ethernet/8390/stnic.c b/drivers/net/ethernet/8390/stnic.c
index fbbd7f22c142..bd89ca8a92df 100644
--- a/drivers/net/ethernet/8390/stnic.c
+++ b/drivers/net/ethernet/8390/stnic.c
@@ -104,8 +104,8 @@ STNIC_WRITE (int reg, byte val)
static int __init stnic_probe(void)
{
struct net_device *dev;
- int i, err;
struct ei_device *ei_local;
+ int err;
/* If we are not running on a SolutionEngine, give up now */
if (! MACH_SE)
@@ -119,8 +119,7 @@ static int __init stnic_probe(void)
#ifdef CONFIG_SH_STANDARD_BIOS
sh_bios_get_node_addr (stnic_eadr);
#endif
- for (i = 0; i < ETH_ALEN; i++)
- dev->dev_addr[i] = stnic_eadr[i];
+ eth_hw_addr_set(dev, stnic_eadr);
/* Set the base address to point to the NIC, not the "real" base! */
dev->base_addr = 0x1000;
diff --git a/drivers/net/ethernet/8390/zorro8390.c b/drivers/net/ethernet/8390/zorro8390.c
index 35a500a21521..e8b4fe813a08 100644
--- a/drivers/net/ethernet/8390/zorro8390.c
+++ b/drivers/net/ethernet/8390/zorro8390.c
@@ -364,8 +364,7 @@ static int zorro8390_init(struct net_device *dev, unsigned long board,
if (i)
return i;
- for (i = 0; i < ETH_ALEN; i++)
- dev->dev_addr[i] = SA_prom[i];
+ eth_hw_addr_set(dev, SA_prom);
pr_debug("Found ethernet address: %pM\n", dev->dev_addr);
--
2.31.1
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