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authorFrancois Romieu <romieu@fr.zoreil.com>2011-06-18 02:10:29 +0400
committerFrancois Romieu <romieu@fr.zoreil.com>2011-06-18 13:40:48 +0400
commitfd112f2e15ba85d387de446a81aeb11e46ecc55d (patch)
treeeadd165d2d8137220029bf674d456410bd577722 /drivers/net/r8169.c
parent960aee6c7d5951ac20c0227ad73bad56392f0afc (diff)
downloadlinux-fd112f2e15ba85d387de446a81aeb11e46ecc55d.tar.xz
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>
Diffstat (limited to 'drivers/net/r8169.c')
-rw-r--r--drivers/net/r8169.c63
1 files changed, 44 insertions, 19 deletions
diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index 7074989d5f75..bc5bb378d008 100644
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -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: