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OpenCloudOS-Kernel
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r8169: check firmware content sooner. 

Firmware checking is only performed when the firmware is loaded
instead of each time the driver inits the phy.

Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
This commit is contained in:
Francois Romieu 2011-06-18 00:10:29 +02:00
parent 960aee6c7d
commit fd112f2e15
1 changed files with 44 additions and 19 deletions
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63
drivers/net/r8169.c
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@ -1815,18 +1815,12 @@ out:
return rc;
}
static void rtl_phy_write_fw(struct rtl8169_private *tp, struct rtl_fw *rtl_fw)
static bool rtl_fw_data_ok(struct rtl8169_private *tp, struct net_device *dev,
struct rtl_fw_phy_action *pa)
{
struct rtl_fw_phy_action *pa = &rtl_fw->phy_action;
struct net_device *dev = tp->dev;
u32 predata, count;
bool rc = false;
size_t index;
if (!rtl_fw_format_ok(tp, rtl_fw)) {
netif_err(tp, probe, dev, "invalid firwmare\n");
return;
}
for (index = 0; index < pa->size; index++) {
u32 action = le32_to_cpu(pa->code[index]);
u32 regno = (action & 0x0fff0000) >> 16;
@ -1844,25 +1838,25 @@ static void rtl_phy_write_fw(struct rtl8169_private *tp, struct rtl_fw *rtl_fw)
case PHY_BJMPN:
if (regno > index) {
netif_err(tp, probe, tp->dev,
netif_err(tp, ifup, tp->dev,
"Out of range of firmware\n");
return;
goto out;
}
break;
case PHY_READCOUNT_EQ_SKIP:
if (index + 2 >= pa->size) {
netif_err(tp, probe, tp->dev,
netif_err(tp, ifup, tp->dev,
"Out of range of firmware\n");
return;
goto out;
}
break;
case PHY_COMP_EQ_SKIPN:
case PHY_COMP_NEQ_SKIPN:
case PHY_SKIPN:
if (index + 1 + regno >= pa->size) {
netif_err(tp, probe, tp->dev,
netif_err(tp, ifup, tp->dev,
"Out of range of firmware\n");
return;
goto out;
}
break;
@ -1870,14 +1864,39 @@ static void rtl_phy_write_fw(struct rtl8169_private *tp, struct rtl_fw *rtl_fw)
case PHY_WRITE_MAC_BYTE:
case PHY_WRITE_ERI_WORD:
default:
netif_err(tp, probe, tp->dev,
netif_err(tp, ifup, tp->dev,
"Invalid action 0x%08x\n", action);
return;
goto out;
}
}
rc = true;
out:
return rc;
}
predata = 0;
count = 0;
static int rtl_check_firmware(struct rtl8169_private *tp, struct rtl_fw *rtl_fw)
{
struct net_device *dev = tp->dev;
int rc = -EINVAL;
if (!rtl_fw_format_ok(tp, rtl_fw)) {
netif_err(tp, ifup, dev, "invalid firwmare\n");
goto out;
}
if (rtl_fw_data_ok(tp, dev, &rtl_fw->phy_action))
rc = 0;
out:
return rc;
}
static void rtl_phy_write_fw(struct rtl8169_private *tp, struct rtl_fw *rtl_fw)
{
struct rtl_fw_phy_action *pa = &rtl_fw->phy_action;
u32 predata, count;
size_t index;
predata = count = 0;
for (index = 0; index < pa->size; ) {
u32 action = le32_to_cpu(pa->code[index]);
@ -3605,10 +3624,16 @@ static void rtl_request_uncached_firmware(struct rtl8169_private *tp)
if (rc < 0)
goto err_free;
rc = rtl_check_firmware(tp, rtl_fw);
if (rc < 0)
goto err_release_firmware;
tp->rtl_fw = rtl_fw;
out:
return;
err_release_firmware:
release_firmware(rtl_fw->fw);
err_free:
kfree(rtl_fw);
err_warn: