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pch_gbe: Switch to new PCI IRQ allocation API 

This removes custom flag handling.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Andy Shevchenko 2017-10-14 17:04:40 +03:00 committed by David S. Miller
parent 9185a610f8
commit 2a600d97cb
2 changed files with 17 additions and 28 deletions
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3
drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe.h
View File

@ -613,7 +613,6 @@ struct pch_gbe_privdata {
* @rx_ring: Pointer of Rx descriptor ring structure
* @rx_buffer_len: Receive buffer length
* @tx_queue_len: Transmit queue length
* @have_msi: PCI MSI mode flag
* @pch_gbe_privdata: PCI Device ID driver_data
*/
@ -623,6 +622,7 @@ struct pch_gbe_adapter {
atomic_t irq_sem;
struct net_device *netdev;
struct pci_dev *pdev;
int irq;
struct net_device *polling_netdev;
struct napi_struct napi;
struct pch_gbe_hw hw;
@ -637,7 +637,6 @@ struct pch_gbe_adapter {
struct pch_gbe_rx_ring *rx_ring;
unsigned long rx_buffer_len;
unsigned long tx_queue_len;
bool have_msi;
bool rx_stop_flag;
int hwts_tx_en;
int hwts_rx_en;

42
drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c
View File

@ -781,11 +781,8 @@ static void pch_gbe_free_irq(struct pch_gbe_adapter *adapter)
{
struct net_device *netdev = adapter->netdev;
free_irq(adapter->pdev->irq, netdev);
if (adapter->have_msi) {
pci_disable_msi(adapter->pdev);
netdev_dbg(netdev, "call pci_disable_msi\n");
}
free_irq(adapter->irq, netdev);
pci_free_irq_vectors(adapter->pdev);
}
/**
@ -799,7 +796,7 @@ static void pch_gbe_irq_disable(struct pch_gbe_adapter *adapter)
atomic_inc(&adapter->irq_sem);
iowrite32(0, &hw->reg->INT_EN);
ioread32(&hw->reg->INT_ST);
synchronize_irq(adapter->pdev->irq);
synchronize_irq(adapter->irq);
netdev_dbg(adapter->netdev, "INT_EN reg : 0x%08x\n",
ioread32(&hw->reg->INT_EN));
@ -1903,30 +1900,23 @@ static int pch_gbe_request_irq(struct pch_gbe_adapter *adapter)
{
struct net_device *netdev = adapter->netdev;
int err;
int flags;
flags = IRQF_SHARED;
adapter->have_msi = false;
err = pci_enable_msi(adapter->pdev);
netdev_dbg(netdev, "call pci_enable_msi\n");
if (err) {
netdev_dbg(netdev, "call pci_enable_msi - Error: %d\n", err);
} else {
flags = 0;
adapter->have_msi = true;
}
err = request_irq(adapter->pdev->irq, &pch_gbe_intr,
flags, netdev->name, netdev);
err = pci_alloc_irq_vectors(adapter->pdev, 1, 1, PCI_IRQ_ALL_TYPES);
if (err < 0)
return err;
adapter->irq = pci_irq_vector(adapter->pdev, 0);
err = request_irq(adapter->irq, &pch_gbe_intr, IRQF_SHARED,
netdev->name, netdev);
if (err)
netdev_err(netdev, "Unable to allocate interrupt Error: %d\n",
err);
netdev_dbg(netdev,
"adapter->have_msi : %d flags : 0x%04x return : 0x%04x\n",
adapter->have_msi, flags, err);
netdev_dbg(netdev, "have_msi : %d return : 0x%04x\n",
pci_dev_msi_enabled(adapter->pdev), err);
return err;
}
/**
* pch_gbe_up - Up GbE network device
* @adapter: Board private structure
@ -2399,9 +2389,9 @@ static void pch_gbe_netpoll(struct net_device *netdev)
{
struct pch_gbe_adapter *adapter = netdev_priv(netdev);
disable_irq(adapter->pdev->irq);
pch_gbe_intr(adapter->pdev->irq, netdev);
enable_irq(adapter->pdev->irq);
disable_irq(adapter->irq);
pch_gbe_intr(adapter->irq, netdev);
enable_irq(adapter->irq);
}
#endif