From: Felipe Balbi <balbi@ti.com> To: <davem@davemloft.net> Cc: Tony Lindgren <tony@atomide.com>, Linux OMAP Mailing List <linux-omap@vger.kernel.org>, <mugunthanvnm@ti.com>, <netdev@vger.kernel.org>, Felipe Balbi <balbi@ti.com> Subject: [patch-net-next v2 1/3] net: ethernet: cpsw: unroll IRQ request loop Date: Wed, 14 Jan 2015 10:58:47 -0600 [thread overview] Message-ID: <1421254729-10602-1-git-send-email-balbi@ti.com> (raw) This patch is in preparation for a nicer IRQ handling scheme where we use different IRQ handlers for each IRQ line (as it should be). Later, we will also drop IRQs offset 0 and 3 because they are always disabled in this driver. Signed-off-by: Felipe Balbi <balbi@ti.com> --- drivers/net/ethernet/ti/cpsw.c | 62 ++++++++++++++++++++++++++++++++---------- 1 file changed, 47 insertions(+), 15 deletions(-) diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c index e61ee8351272..8e1af51e4b76 100644 --- a/drivers/net/ethernet/ti/cpsw.c +++ b/drivers/net/ethernet/ti/cpsw.c @@ -2156,7 +2156,8 @@ static int cpsw_probe(struct platform_device *pdev) void __iomem *ss_regs; struct resource *res, *ss_res; u32 slave_offset, sliver_offset, slave_size; - int ret = 0, i, k = 0; + int ret = 0, i; + int irq; ndev = alloc_etherdev(sizeof(struct cpsw_priv)); if (!ndev) { @@ -2345,24 +2346,55 @@ static int cpsw_probe(struct platform_device *pdev) goto clean_ale_ret; } - while ((res = platform_get_resource(priv->pdev, IORESOURCE_IRQ, k))) { - if (k >= ARRAY_SIZE(priv->irqs_table)) { - ret = -EINVAL; - goto clean_ale_ret; - } + irq = platform_get_irq(pdev, 0); + if (irq < 0) + goto clean_ale_ret; - ret = devm_request_irq(&pdev->dev, res->start, cpsw_interrupt, - 0, dev_name(&pdev->dev), priv); - if (ret < 0) { - dev_err(priv->dev, "error attaching irq (%d)\n", ret); - goto clean_ale_ret; - } + priv->irqs_table[0] = irq; + ret = devm_request_irq(&pdev->dev, irq, cpsw_interrupt, + 0, dev_name(&pdev->dev), priv); + if (ret < 0) { + dev_err(priv->dev, "error attaching irq (%d)\n", ret); + goto clean_ale_ret; + } - priv->irqs_table[k] = res->start; - k++; + irq = platform_get_irq(pdev, 1); + if (irq < 0) + goto clean_ale_ret; + + priv->irqs_table[1] = irq; + ret = devm_request_irq(&pdev->dev, irq, cpsw_interrupt, + 0, dev_name(&pdev->dev), priv); + if (ret < 0) { + dev_err(priv->dev, "error attaching irq (%d)\n", ret); + goto clean_ale_ret; + } + + irq = platform_get_irq(pdev, 2); + if (irq < 0) + goto clean_ale_ret; + + priv->irqs_table[2] = irq; + ret = devm_request_irq(&pdev->dev, irq, cpsw_interrupt, + 0, dev_name(&pdev->dev), priv); + if (ret < 0) { + dev_err(priv->dev, "error attaching irq (%d)\n", ret); + goto clean_ale_ret; + } + + irq = platform_get_irq(pdev, 3); + if (irq < 0) + goto clean_ale_ret; + + priv->irqs_table[3] = irq; + ret = devm_request_irq(&pdev->dev, irq, cpsw_interrupt, + 0, dev_name(&pdev->dev), priv); + if (ret < 0) { + dev_err(priv->dev, "error attaching irq (%d)\n", ret); + goto clean_ale_ret; } - priv->num_irqs = k; + priv->num_irqs = 4; ndev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; -- 2.2.0
WARNING: multiple messages have this Message-ID (diff)
From: Felipe Balbi <balbi@ti.com> To: davem@davemloft.net Cc: Tony Lindgren <tony@atomide.com>, Linux OMAP Mailing List <linux-omap@vger.kernel.org>, mugunthanvnm@ti.com, netdev@vger.kernel.org, Felipe Balbi <balbi@ti.com> Subject: [patch-net-next v2 1/3] net: ethernet: cpsw: unroll IRQ request loop Date: Wed, 14 Jan 2015 10:58:47 -0600 [thread overview] Message-ID: <1421254729-10602-1-git-send-email-balbi@ti.com> (raw) This patch is in preparation for a nicer IRQ handling scheme where we use different IRQ handlers for each IRQ line (as it should be). Later, we will also drop IRQs offset 0 and 3 because they are always disabled in this driver. Signed-off-by: Felipe Balbi <balbi@ti.com> --- drivers/net/ethernet/ti/cpsw.c | 62 ++++++++++++++++++++++++++++++++---------- 1 file changed, 47 insertions(+), 15 deletions(-) diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c index e61ee8351272..8e1af51e4b76 100644 --- a/drivers/net/ethernet/ti/cpsw.c +++ b/drivers/net/ethernet/ti/cpsw.c @@ -2156,7 +2156,8 @@ static int cpsw_probe(struct platform_device *pdev) void __iomem *ss_regs; struct resource *res, *ss_res; u32 slave_offset, sliver_offset, slave_size; - int ret = 0, i, k = 0; + int ret = 0, i; + int irq; ndev = alloc_etherdev(sizeof(struct cpsw_priv)); if (!ndev) { @@ -2345,24 +2346,55 @@ static int cpsw_probe(struct platform_device *pdev) goto clean_ale_ret; } - while ((res = platform_get_resource(priv->pdev, IORESOURCE_IRQ, k))) { - if (k >= ARRAY_SIZE(priv->irqs_table)) { - ret = -EINVAL; - goto clean_ale_ret; - } + irq = platform_get_irq(pdev, 0); + if (irq < 0) + goto clean_ale_ret; - ret = devm_request_irq(&pdev->dev, res->start, cpsw_interrupt, - 0, dev_name(&pdev->dev), priv); - if (ret < 0) { - dev_err(priv->dev, "error attaching irq (%d)\n", ret); - goto clean_ale_ret; - } + priv->irqs_table[0] = irq; + ret = devm_request_irq(&pdev->dev, irq, cpsw_interrupt, + 0, dev_name(&pdev->dev), priv); + if (ret < 0) { + dev_err(priv->dev, "error attaching irq (%d)\n", ret); + goto clean_ale_ret; + } - priv->irqs_table[k] = res->start; - k++; + irq = platform_get_irq(pdev, 1); + if (irq < 0) + goto clean_ale_ret; + + priv->irqs_table[1] = irq; + ret = devm_request_irq(&pdev->dev, irq, cpsw_interrupt, + 0, dev_name(&pdev->dev), priv); + if (ret < 0) { + dev_err(priv->dev, "error attaching irq (%d)\n", ret); + goto clean_ale_ret; + } + + irq = platform_get_irq(pdev, 2); + if (irq < 0) + goto clean_ale_ret; + + priv->irqs_table[2] = irq; + ret = devm_request_irq(&pdev->dev, irq, cpsw_interrupt, + 0, dev_name(&pdev->dev), priv); + if (ret < 0) { + dev_err(priv->dev, "error attaching irq (%d)\n", ret); + goto clean_ale_ret; + } + + irq = platform_get_irq(pdev, 3); + if (irq < 0) + goto clean_ale_ret; + + priv->irqs_table[3] = irq; + ret = devm_request_irq(&pdev->dev, irq, cpsw_interrupt, + 0, dev_name(&pdev->dev), priv); + if (ret < 0) { + dev_err(priv->dev, "error attaching irq (%d)\n", ret); + goto clean_ale_ret; } - priv->num_irqs = k; + priv->num_irqs = 4; ndev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; -- 2.2.0
next reply other threads:[~2015-01-14 16:59 UTC|newest] Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top 2015-01-14 16:58 Felipe Balbi [this message] 2015-01-14 16:58 ` [patch-net-next v2 1/3] net: ethernet: cpsw: unroll IRQ request loop Felipe Balbi 2015-01-14 16:58 ` [patch-net-next v2 2/3] net: ethernet: cpsw: split out IRQ handler Felipe Balbi 2015-01-14 16:58 ` Felipe Balbi 2015-01-14 16:58 ` [patch-net-next v2 3/3] net: ethernet: cpsw: don't requests IRQs we don't use Felipe Balbi 2015-01-14 16:58 ` Felipe Balbi 2015-01-15 7:49 ` Mugunthan V N 2015-01-15 7:49 ` Mugunthan V N 2015-01-15 15:20 ` Felipe Balbi 2015-01-15 15:20 ` Felipe Balbi 2015-01-15 23:16 ` David Miller 2015-01-16 1:28 ` Felipe Balbi 2015-01-16 1:28 ` Felipe Balbi 2015-01-16 4:36 ` David Miller
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