diff options
Diffstat (limited to 'target/linux/rb532/patches-4.9/106-dont-use-rx-overflow-and-tx-underflow-interrupts.patch')
| -rw-r--r-- | target/linux/rb532/patches-4.9/106-dont-use-rx-overflow-and-tx-underflow-interrupts.patch | 156 |
1 files changed, 0 insertions, 156 deletions
diff --git a/target/linux/rb532/patches-4.9/106-dont-use-rx-overflow-and-tx-underflow-interrupts.patch b/target/linux/rb532/patches-4.9/106-dont-use-rx-overflow-and-tx-underflow-interrupts.patch deleted file mode 100644 index e75079b12f..0000000000 --- a/target/linux/rb532/patches-4.9/106-dont-use-rx-overflow-and-tx-underflow-interrupts.patch +++ /dev/null @@ -1,156 +0,0 @@ ---- a/drivers/net/ethernet/korina.c -+++ b/drivers/net/ethernet/korina.c -@@ -122,8 +122,6 @@ struct korina_private { - - int rx_irq; - int tx_irq; -- int ovr_irq; -- int und_irq; - - spinlock_t lock; /* NIC xmit lock */ - -@@ -890,8 +888,6 @@ static void korina_restart_task(struct w - */ - disable_irq(lp->rx_irq); - disable_irq(lp->tx_irq); -- disable_irq(lp->ovr_irq); -- disable_irq(lp->und_irq); - - writel(readl(&lp->tx_dma_regs->dmasm) | - DMA_STAT_FINI | DMA_STAT_ERR, -@@ -910,40 +906,10 @@ static void korina_restart_task(struct w - } - korina_multicast_list(dev); - -- enable_irq(lp->und_irq); -- enable_irq(lp->ovr_irq); - enable_irq(lp->tx_irq); - enable_irq(lp->rx_irq); - } - --static void korina_clear_and_restart(struct net_device *dev, u32 value) --{ -- struct korina_private *lp = netdev_priv(dev); -- -- netif_stop_queue(dev); -- writel(value, &lp->eth_regs->ethintfc); -- schedule_work(&lp->restart_task); --} -- --/* Ethernet Tx Underflow interrupt */ --static irqreturn_t korina_und_interrupt(int irq, void *dev_id) --{ -- struct net_device *dev = dev_id; -- struct korina_private *lp = netdev_priv(dev); -- unsigned int und; -- -- spin_lock(&lp->lock); -- -- und = readl(&lp->eth_regs->ethintfc); -- -- if (und & ETH_INT_FC_UND) -- korina_clear_and_restart(dev, und & ~ETH_INT_FC_UND); -- -- spin_unlock(&lp->lock); -- -- return IRQ_HANDLED; --} -- - static void korina_tx_timeout(struct net_device *dev) - { - struct korina_private *lp = netdev_priv(dev); -@@ -951,25 +917,6 @@ static void korina_tx_timeout(struct net - schedule_work(&lp->restart_task); - } - --/* Ethernet Rx Overflow interrupt */ --static irqreturn_t --korina_ovr_interrupt(int irq, void *dev_id) --{ -- struct net_device *dev = dev_id; -- struct korina_private *lp = netdev_priv(dev); -- unsigned int ovr; -- -- spin_lock(&lp->lock); -- ovr = readl(&lp->eth_regs->ethintfc); -- -- if (ovr & ETH_INT_FC_OVR) -- korina_clear_and_restart(dev, ovr & ~ETH_INT_FC_OVR); -- -- spin_unlock(&lp->lock); -- -- return IRQ_HANDLED; --} -- - #ifdef CONFIG_NET_POLL_CONTROLLER - static void korina_poll_controller(struct net_device *dev) - { -@@ -992,8 +939,7 @@ static int korina_open(struct net_device - } - - /* Install the interrupt handler -- * that handles the Done Finished -- * Ovr and Und Events */ -+ * that handles the Done Finished */ - ret = request_irq(lp->rx_irq, korina_rx_dma_interrupt, - 0, "Korina ethernet Rx", dev); - if (ret < 0) { -@@ -1009,31 +955,10 @@ static int korina_open(struct net_device - goto err_free_rx_irq; - } - -- /* Install handler for overrun error. */ -- ret = request_irq(lp->ovr_irq, korina_ovr_interrupt, -- 0, "Ethernet Overflow", dev); -- if (ret < 0) { -- printk(KERN_ERR "%s: unable to get OVR IRQ %d\n", -- dev->name, lp->ovr_irq); -- goto err_free_tx_irq; -- } -- -- /* Install handler for underflow error. */ -- ret = request_irq(lp->und_irq, korina_und_interrupt, -- 0, "Ethernet Underflow", dev); -- if (ret < 0) { -- printk(KERN_ERR "%s: unable to get UND IRQ %d\n", -- dev->name, lp->und_irq); -- goto err_free_ovr_irq; -- } - mod_timer(&lp->media_check_timer, jiffies + 1); - out: - return ret; - --err_free_ovr_irq: -- free_irq(lp->ovr_irq, dev); --err_free_tx_irq: -- free_irq(lp->tx_irq, dev); - err_free_rx_irq: - free_irq(lp->rx_irq, dev); - err_release: -@@ -1051,8 +976,6 @@ static int korina_close(struct net_devic - /* Disable interrupts */ - disable_irq(lp->rx_irq); - disable_irq(lp->tx_irq); -- disable_irq(lp->ovr_irq); -- disable_irq(lp->und_irq); - - korina_abort_tx(dev); - tmp = readl(&lp->tx_dma_regs->dmasm); -@@ -1072,8 +995,6 @@ static int korina_close(struct net_devic - - free_irq(lp->rx_irq, dev); - free_irq(lp->tx_irq, dev); -- free_irq(lp->ovr_irq, dev); -- free_irq(lp->und_irq, dev); - - return 0; - } -@@ -1113,8 +1034,6 @@ static int korina_probe(struct platform_ - - lp->rx_irq = platform_get_irq_byname(pdev, "korina_rx"); - lp->tx_irq = platform_get_irq_byname(pdev, "korina_tx"); -- lp->ovr_irq = platform_get_irq_byname(pdev, "korina_ovr"); -- lp->und_irq = platform_get_irq_byname(pdev, "korina_und"); - - r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "korina_regs"); - dev->base_addr = r->start; |