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Message-Id: <1378923760-16232-1-git-send-email-jdmason@kudzu.us>
Date: Wed, 11 Sep 2013 11:22:39 -0700
From: Jon Mason <jdmason@...zu.us>
To: netdev@...r.kernel.org
Cc: Eilon Greenstein <eilong@...adcom.com>
Subject: [PATCH 1/2] bnx2x: Use pci_dev pm_cap
Use the already existing pm_cap variable in struct pci_dev for
determining the power management offset. This saves the driver from
having to keep track of an extra variable.
Signed-off-by: Jon Mason <jdmason@...zu.us>
Cc: Eilon Greenstein <eilong@...adcom.com>
---
drivers/net/ethernet/broadcom/bnx2x/bnx2x.h | 1 -
drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c | 8 ++++----
drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c | 4 ++--
drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c | 10 +++++-----
4 files changed, 11 insertions(+), 12 deletions(-)
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
index 0c33802..70b6a05 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
@@ -1542,7 +1542,6 @@ struct bnx2x {
*/
bool fcoe_init;
- int pm_cap;
int mrrs;
struct delayed_work sp_task;
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
index 2361bf2..44a1261 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
@@ -3000,16 +3000,16 @@ int bnx2x_set_power_state(struct bnx2x *bp, pci_power_t state)
u16 pmcsr;
/* If there is no power capability, silently succeed */
- if (!bp->pm_cap) {
+ if (!bp->pdev->pm_cap) {
BNX2X_DEV_INFO("No power capability. Breaking.\n");
return 0;
}
- pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
+ pci_read_config_word(bp->pdev, bp->pdev->pm_cap + PCI_PM_CTRL, &pmcsr);
switch (state) {
case PCI_D0:
- pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
+ pci_write_config_word(bp->pdev, bp->pdev->pm_cap + PCI_PM_CTRL,
((pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
PCI_PM_CTRL_PME_STATUS));
@@ -3033,7 +3033,7 @@ int bnx2x_set_power_state(struct bnx2x *bp, pci_power_t state)
if (bp->wol)
pmcsr |= PCI_PM_CTRL_PME_ENABLE;
- pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
+ pci_write_config_word(bp->pdev, bp->pdev->pm_cap + PCI_PM_CTRL,
pmcsr);
/* No more memory access after this point until
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c
index 2612e3c..324de5f 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c
@@ -1387,9 +1387,9 @@ static bool bnx2x_is_nvm_accessible(struct bnx2x *bp)
u16 pm = 0;
struct net_device *dev = pci_get_drvdata(bp->pdev);
- if (bp->pm_cap)
+ if (bp->pdev->pm_cap)
rc = pci_read_config_word(bp->pdev,
- bp->pm_cap + PCI_PM_CTRL, &pm);
+ bp->pdev->pm_cap + PCI_PM_CTRL, &pm);
if ((rc && !netif_running(dev)) ||
(!rc && ((pm & PCI_PM_CTRL_STATE_MASK) != (__force u16)PCI_D0)))
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
index 634a793..41d6f2d 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
@@ -8651,6 +8651,7 @@ u32 bnx2x_send_unload_req(struct bnx2x *bp, int unload_mode)
else if (bp->wol) {
u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
u8 *mac_addr = bp->dev->dev_addr;
+ struct pci_dev *pdev = bp->pdev;
u32 val;
u16 pmc;
@@ -8667,9 +8668,9 @@ u32 bnx2x_send_unload_req(struct bnx2x *bp, int unload_mode)
EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val);
/* Enable the PME and clear the status */
- pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmc);
+ pci_read_config_word(pdev, pdev->pm_cap + PCI_PM_CTRL, &pmc);
pmc |= PCI_PM_CTRL_PME_ENABLE | PCI_PM_CTRL_PME_STATUS;
- pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, pmc);
+ pci_write_config_word(pdev, pdev->pm_cap + PCI_PM_CTRL, pmc);
reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
@@ -10398,7 +10399,7 @@ static void bnx2x_get_common_hwinfo(struct bnx2x *bp)
break;
}
- pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_PMC, &pmc);
+ pci_read_config_word(bp->pdev, bp->pdev->pm_cap + PCI_PM_PMC, &pmc);
bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG;
BNX2X_DEV_INFO("%sWoL capable\n",
@@ -12140,8 +12141,7 @@ static int bnx2x_init_dev(struct bnx2x *bp, struct pci_dev *pdev,
}
if (IS_PF(bp)) {
- bp->pm_cap = pdev->pm_cap;
- if (bp->pm_cap == 0) {
+ if (!pdev->pm_cap) {
dev_err(&bp->pdev->dev,
"Cannot find power management capability, aborting\n");
rc = -EIO;
--
1.7.10.4
--
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