kernel: ssb: fallback-sprom: optimize struct data

- Remove unneeded mac bytes from struct (it's already present in the SPROM).
- Convert devid_override to boolean.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
This commit is contained in:
Álvaro Fernández Rojas 2023-04-24 20:10:48 +02:00
parent 70e88044d5
commit d5c93d2b85

View File

@ -48,8 +48,7 @@ struct ssb_fbs {
struct ssb_sprom sprom;
u32 pci_bus;
u32 pci_dev;
u8 mac[ETH_ALEN];
int devid_override;
bool devid_override;
};
static DEFINE_SPINLOCK(ssb_fbs_lock);
@ -624,8 +623,8 @@ static void ssb_fbs_fixup(struct ssb_fbs *priv, u16 *sprom)
}
}
static int sprom_override_devid(struct ssb_fbs *priv, struct ssb_sprom *out,
const u16 *in)
static bool sprom_override_devid(struct ssb_fbs *priv, struct ssb_sprom *out,
const u16 *in)
{
SPEX(dev_id, SSB_SPROM1_PID, 0xFFFF, 0);
return !!out->dev_id;
@ -668,7 +667,7 @@ static int ssb_fbs_set(struct ssb_fbs *priv, struct device_node *node)
sprom->itssi_bg = 0x00;
sprom->boardflags_lo = 0x2848;
sprom->boardflags_hi = 0x0000;
priv->devid_override = 0;
priv->devid_override = false;
dev_warn(priv->dev, "using basic SPROM\n");
} else {
@ -696,6 +695,7 @@ static int ssb_fbs_probe(struct platform_device *pdev)
struct device_node *node = dev->of_node;
struct ssb_fbs *priv;
unsigned long flags;
u8 mac[ETH_ALEN];
priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
if (!priv)
@ -708,18 +708,18 @@ static int ssb_fbs_probe(struct platform_device *pdev)
of_property_read_u32(node, "pci-bus", &priv->pci_bus);
of_property_read_u32(node, "pci-dev", &priv->pci_dev);
of_get_mac_address(node, priv->mac);
if (is_valid_ether_addr(priv->mac)) {
dev_info(dev, "mtd mac %pM\n", priv->mac);
of_get_mac_address(node, mac);
if (is_valid_ether_addr(mac)) {
dev_info(dev, "mtd mac %pM\n", mac);
} else {
random_ether_addr(priv->mac);
dev_info(dev, "random mac %pM\n", priv->mac);
random_ether_addr(mac);
dev_info(dev, "random mac %pM\n", mac);
}
memcpy(priv->sprom.il0mac, priv->mac, ETH_ALEN);
memcpy(priv->sprom.et0mac, priv->mac, ETH_ALEN);
memcpy(priv->sprom.et1mac, priv->mac, ETH_ALEN);
memcpy(priv->sprom.et2mac, priv->mac, ETH_ALEN);
memcpy(priv->sprom.il0mac, mac, ETH_ALEN);
memcpy(priv->sprom.et0mac, mac, ETH_ALEN);
memcpy(priv->sprom.et1mac, mac, ETH_ALEN);
memcpy(priv->sprom.et2mac, mac, ETH_ALEN);
spin_lock_irqsave(&ssb_fbs_lock, flags);
list_add(&priv->list, &ssb_fbs_list);