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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2009-03-08 16:30:55 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2009-03-08 16:30:55 -0700
commitd15c22e78674f9a5bc0de0932a43abe1aafae303 (patch)
tree3e4198c44bd2d9184e91647346c66aa95e28f843 /drivers/net/e1000e
parent0f4954819fb6f840d46076f0dbd313ef5da48f5d (diff)
parentfec6c6fec3e20637bee5d276fb61dd8b49a3f9cc (diff)
Merge commit 'v2.6.29-rc7' into next
Diffstat (limited to 'drivers/net/e1000e')
-rw-r--r--drivers/net/e1000e/82571.c6
-rw-r--r--drivers/net/e1000e/hw.h1
-rw-r--r--drivers/net/e1000e/ich8lan.c19
3 files changed, 19 insertions, 7 deletions
diff --git a/drivers/net/e1000e/82571.c b/drivers/net/e1000e/82571.c
index cf43ee743b3..0890162953e 100644
--- a/drivers/net/e1000e/82571.c
+++ b/drivers/net/e1000e/82571.c
@@ -981,11 +981,15 @@ static void e1000_initialize_hw_bits_82571(struct e1000_hw *hw)
ew32(PBA_ECC, reg);
}
- /* PCI-Ex Control Register */
+ /* PCI-Ex Control Registers */
if (hw->mac.type == e1000_82574) {
reg = er32(GCR);
reg |= (1 << 22);
ew32(GCR, reg);
+
+ reg = er32(GCR2);
+ reg |= 1;
+ ew32(GCR2, reg);
}
return;
diff --git a/drivers/net/e1000e/hw.h b/drivers/net/e1000e/hw.h
index f25e961c6b3..2d4ce0492df 100644
--- a/drivers/net/e1000e/hw.h
+++ b/drivers/net/e1000e/hw.h
@@ -206,6 +206,7 @@ enum e1e_registers {
E1000_MANC2H = 0x05860, /* Management Control To Host - RW */
E1000_SW_FW_SYNC = 0x05B5C, /* Software-Firmware Synchronization - RW */
E1000_GCR = 0x05B00, /* PCI-Ex Control */
+ E1000_GCR2 = 0x05B64, /* PCI-Ex Control #2 */
E1000_FACTPS = 0x05B30, /* Function Active and Power State to MNG */
E1000_SWSM = 0x05B50, /* SW Semaphore */
E1000_FWSM = 0x05B54, /* FW Semaphore */
diff --git a/drivers/net/e1000e/ich8lan.c b/drivers/net/e1000e/ich8lan.c
index f2a5963b5a9..e415e81ecd3 100644
--- a/drivers/net/e1000e/ich8lan.c
+++ b/drivers/net/e1000e/ich8lan.c
@@ -390,7 +390,8 @@ static s32 e1000_get_variants_ich8lan(struct e1000_adapter *adapter)
}
static DEFINE_MUTEX(nvm_mutex);
-static pid_t nvm_owner = -1;
+static pid_t nvm_owner_pid = -1;
+static char nvm_owner_name[TASK_COMM_LEN] = "";
/**
* e1000_acquire_swflag_ich8lan - Acquire software control flag
@@ -408,11 +409,15 @@ static s32 e1000_acquire_swflag_ich8lan(struct e1000_hw *hw)
might_sleep();
if (!mutex_trylock(&nvm_mutex)) {
- WARN(1, KERN_ERR "e1000e mutex contention. Owned by pid %d\n",
- nvm_owner);
+ WARN(1, KERN_ERR "e1000e mutex contention. Owned by process "
+ "%s (pid %d), required by process %s (pid %d)\n",
+ nvm_owner_name, nvm_owner_pid,
+ current->comm, current->pid);
+
mutex_lock(&nvm_mutex);
}
- nvm_owner = current->pid;
+ nvm_owner_pid = current->pid;
+ strncpy(nvm_owner_name, current->comm, TASK_COMM_LEN);
while (timeout) {
extcnf_ctrl = er32(EXTCNF_CTRL);
@@ -430,7 +435,8 @@ static s32 e1000_acquire_swflag_ich8lan(struct e1000_hw *hw)
hw_dbg(hw, "FW or HW has locked the resource for too long.\n");
extcnf_ctrl &= ~E1000_EXTCNF_CTRL_SWFLAG;
ew32(EXTCNF_CTRL, extcnf_ctrl);
- nvm_owner = -1;
+ nvm_owner_pid = -1;
+ strcpy(nvm_owner_name, "");
mutex_unlock(&nvm_mutex);
return -E1000_ERR_CONFIG;
}
@@ -454,7 +460,8 @@ static void e1000_release_swflag_ich8lan(struct e1000_hw *hw)
extcnf_ctrl &= ~E1000_EXTCNF_CTRL_SWFLAG;
ew32(EXTCNF_CTRL, extcnf_ctrl);
- nvm_owner = -1;
+ nvm_owner_pid = -1;
+ strcpy(nvm_owner_name, "");
mutex_unlock(&nvm_mutex);
}