myri10ge: use DCA if DCA is compiled as a module

Use DCA in myri10ge when CONFIG_DCA_MODULE is set as well.

And thus force INTEL_IOATDMA to =y so that DCA=y if we are =y.

Signed-off-by: Brice Goglin <brice@myri.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

2 files changed, 14 insertions, 13 deletions

diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index 8d222e470569..031b95b1f229 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -2464,6 +2464,7 @@ config MYRI10GE
         select FW_LOADER
         select CRC32
         select INET_LRO
+        select INTEL_IOATDMA
         ---help---
           This driver supports Myricom Myri-10G Dual Protocol interface in
           Ethernet mode. If the eeprom on your board is not recent enough,
diff --git a/drivers/net/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c
index ce9fc66e73b7..005f2aa75019 100644
--- a/drivers/net/myri10ge/myri10ge.c
+++ b/drivers/net/myri10ge/myri10ge.c
@@ -183,7 +183,7 @@ struct myri10ge_slice_state {
         dma_addr_t fw_stats_bus;
         int watchdog_tx_done;
         int watchdog_tx_req;
-#ifdef CONFIG_DCA
+#if (defined CONFIG_DCA) || (defined CONFIG_DCA_MODULE)
         int cached_dca_tag;
         int cpu;
         __be32 __iomem *dca_tag;
@@ -215,7 +215,7 @@ struct myri10ge_priv {
         int msi_enabled;
         int msix_enabled;
         struct msix_entry *msix_vectors;
-#ifdef CONFIG_DCA
+#if (defined CONFIG_DCA) || (defined CONFIG_DCA_MODULE)
         int dca_enabled;
 #endif
         u32 link_state;
@@ -891,7 +891,7 @@ static int myri10ge_reset(struct myri10ge_priv *mgp)
         struct myri10ge_slice_state *ss;
         int i, status;
         size_t bytes;
-#ifdef CONFIG_DCA
+#if (defined CONFIG_DCA) || (defined CONFIG_DCA_MODULE)
         unsigned long dca_tag_off;
 #endif
 
@@ -986,7 +986,7 @@ static int myri10ge_reset(struct myri10ge_priv *mgp)
         }
         put_be32(htonl(mgp->intr_coal_delay), mgp->intr_coal_delay_ptr);
 
-#ifdef CONFIG_DCA
+#if (defined CONFIG_DCA) || (defined CONFIG_DCA_MODULE)
         status = myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_DCA_OFFSET, &cmd, 0);
         dca_tag_off = cmd.data0;
         for (i = 0; i < mgp->num_slices; i++) {
@@ -1025,7 +1025,7 @@ static int myri10ge_reset(struct myri10ge_priv *mgp)
         return status;
 }
 
-#ifdef CONFIG_DCA
+#if (defined CONFIG_DCA) || (defined CONFIG_DCA_MODULE)
 static void
 myri10ge_write_dca(struct myri10ge_slice_state *ss, int cpu, int tag)
 {
@@ -1458,7 +1458,7 @@ static int myri10ge_poll(struct napi_struct *napi, int budget)
         struct net_device *netdev = ss->mgp->dev;
         int work_done;
 
-#ifdef CONFIG_DCA
+#if (defined CONFIG_DCA) || (defined CONFIG_DCA_MODULE)
         if (ss->mgp->dca_enabled)
                 myri10ge_update_dca(ss);
 #endif
@@ -1687,7 +1687,7 @@ static const char myri10ge_gstrings_main_stats[][ETH_GSTRING_LEN] = {
         "tx_boundary", "WC", "irq", "MSI", "MSIX",
         "read_dma_bw_MBs", "write_dma_bw_MBs", "read_write_dma_bw_MBs",
         "serial_number", "watchdog_resets",
-#ifdef CONFIG_DCA
+#if (defined CONFIG_DCA) || (defined CONFIG_DCA_MODULE)
         "dca_capable_firmware", "dca_device_present",
 #endif
         "link_changes", "link_up", "dropped_link_overflow",
@@ -1766,7 +1766,7 @@ myri10ge_get_ethtool_stats(struct net_device *netdev,
         data[i++] = (unsigned int)mgp->read_write_dma;
         data[i++] = (unsigned int)mgp->serial_number;
         data[i++] = (unsigned int)mgp->watchdog_resets;
-#ifdef CONFIG_DCA
+#if (defined CONFIG_DCA) || (defined CONFIG_DCA_MODULE)
         data[i++] = (unsigned int)(mgp->ss[0].dca_tag != NULL);
         data[i++] = (unsigned int)(mgp->dca_enabled);
 #endif
@@ -3764,7 +3764,7 @@ static int myri10ge_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
                 dev_err(&pdev->dev, "failed reset\n");
                 goto abort_with_slices;
         }
-#ifdef CONFIG_DCA
+#if (defined CONFIG_DCA) || (defined CONFIG_DCA_MODULE)
         myri10ge_setup_dca(mgp);
 #endif
         pci_set_drvdata(pdev, mgp);
@@ -3867,7 +3867,7 @@ static void myri10ge_remove(struct pci_dev *pdev)
         netdev = mgp->dev;
         unregister_netdev(netdev);
 
-#ifdef CONFIG_DCA
+#if (defined CONFIG_DCA) || (defined CONFIG_DCA_MODULE)
         myri10ge_teardown_dca(mgp);
 #endif
         myri10ge_dummy_rdma(mgp, 0);
@@ -3912,7 +3912,7 @@ static struct pci_driver myri10ge_driver = {
 #endif
 };
 
-#ifdef CONFIG_DCA
+#if (defined CONFIG_DCA) || (defined CONFIG_DCA_MODULE)
 static int
 myri10ge_notify_dca(struct notifier_block *nb, unsigned long event, void *p)
 {
@@ -3944,7 +3944,7 @@ static __init int myri10ge_init_module(void)
                        myri10ge_driver.name, myri10ge_rss_hash);
                 myri10ge_rss_hash = MXGEFW_RSS_HASH_TYPE_SRC_PORT;
         }
-#ifdef CONFIG_DCA
+#if (defined CONFIG_DCA) || (defined CONFIG_DCA_MODULE)
         dca_register_notify(&myri10ge_dca_notifier);
 #endif
 
@@ -3955,7 +3955,7 @@ module_init(myri10ge_init_module);
 
 static __exit void myri10ge_cleanup_module(void)
 {
-#ifdef CONFIG_DCA
+#if (defined CONFIG_DCA) || (defined CONFIG_DCA_MODULE)
         dca_unregister_notify(&myri10ge_dca_notifier);
 #endif
         pci_unregister_driver(&myri10ge_driver);