From fcf173e4511193b1efeccb0f22a8c641b464353b Mon Sep 17 00:00:00 2001 From: Hema Kalliguddi Date: Wed, 29 Sep 2010 11:26:39 -0500 Subject: [PATCH] usb: musb: add names for IRQs in structure resource Soon resource data will get automatically populated from a set of autogenerated data from TI's hardware database for the OMAP platform. Such database, might not have resources at the expected order by the current drivers. While we could hack in some exceptions to that tool to generate resources in a specific order, it seems less fragile to use the resource name instead. That way, no matter what order the resources are generated, the driver still work. Modified the OMAP, Blackfin and Davinci architecture files to add the name of the IRQs in the resource structures and musb driver to use the platform_get_irq_byname() api to get the device and dma irq numbers instead of using the index. Cc: Tony Lindgren Acked-by: Kevin Hilman Acked-by: Mike Frysinger Signed-off-by: Hema HK Signed-off-by: Felipe Balbi --- arch/arm/mach-davinci/usb.c | 2 ++ arch/arm/mach-omap2/usb-musb.c | 2 ++ arch/blackfin/mach-bf527/boards/cm_bf527.c | 2 ++ arch/blackfin/mach-bf527/boards/ezbrd.c | 2 ++ arch/blackfin/mach-bf527/boards/ezkit.c | 2 ++ arch/blackfin/mach-bf548/boards/cm_bf548.c | 2 ++ arch/blackfin/mach-bf548/boards/ezkit.c | 2 ++ drivers/usb/musb/cppi_dma.c | 2 +- drivers/usb/musb/musb_core.c | 2 +- drivers/usb/musb/musbhsdma.c | 2 +- 10 files changed, 17 insertions(+), 3 deletions(-) diff --git a/arch/arm/mach-davinci/usb.c b/arch/arm/mach-davinci/usb.c index 31f0cbe..b0d6b07 100644 --- a/arch/arm/mach-davinci/usb.c +++ b/arch/arm/mach-davinci/usb.c @@ -64,10 +64,12 @@ static struct resource usb_resources[] = { { .start = IRQ_USBINT, .flags = IORESOURCE_IRQ, + .name = "mc" }, { /* placeholder for the dedicated CPPI IRQ */ .flags = IORESOURCE_IRQ, + .name = "dma" }, }; diff --git a/arch/arm/mach-omap2/usb-musb.c b/arch/arm/mach-omap2/usb-musb.c index 7260558..8dae0fa 100644 --- a/arch/arm/mach-omap2/usb-musb.c +++ b/arch/arm/mach-omap2/usb-musb.c @@ -40,10 +40,12 @@ static struct resource musb_resources[] = { [1] = { /* general IRQ */ .start = INT_243X_HS_USB_MC, .flags = IORESOURCE_IRQ, + .name = "mc", }, [2] = { /* DMA IRQ */ .start = INT_243X_HS_USB_DMA, .flags = IORESOURCE_IRQ, + .name = "dma", }, }; diff --git a/arch/blackfin/mach-bf527/boards/cm_bf527.c b/arch/blackfin/mach-bf527/boards/cm_bf527.c index 2c31af7..f714d7be 100644 --- a/arch/blackfin/mach-bf527/boards/cm_bf527.c +++ b/arch/blackfin/mach-bf527/boards/cm_bf527.c @@ -82,11 +82,13 @@ static struct resource musb_resources[] = { .start = IRQ_USB_INT0, .end = IRQ_USB_INT0, .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL, + .name = "mc" }, [2] = { /* DMA IRQ */ .start = IRQ_USB_DMA, .end = IRQ_USB_DMA, .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL, + .name = "dma" }, }; diff --git a/arch/blackfin/mach-bf527/boards/ezbrd.c b/arch/blackfin/mach-bf527/boards/ezbrd.c index 9a736a8..315eec9 100644 --- a/arch/blackfin/mach-bf527/boards/ezbrd.c +++ b/arch/blackfin/mach-bf527/boards/ezbrd.c @@ -46,11 +46,13 @@ static struct resource musb_resources[] = { .start = IRQ_USB_INT0, .end = IRQ_USB_INT0, .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL, + .name = "mc" }, [2] = { /* DMA IRQ */ .start = IRQ_USB_DMA, .end = IRQ_USB_DMA, .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL, + .name = "dma" }, }; diff --git a/arch/blackfin/mach-bf527/boards/ezkit.c b/arch/blackfin/mach-bf527/boards/ezkit.c index 9222bc0..2737312 100644 --- a/arch/blackfin/mach-bf527/boards/ezkit.c +++ b/arch/blackfin/mach-bf527/boards/ezkit.c @@ -86,11 +86,13 @@ static struct resource musb_resources[] = { .start = IRQ_USB_INT0, .end = IRQ_USB_INT0, .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL, + .name = "mc" }, [2] = { /* DMA IRQ */ .start = IRQ_USB_DMA, .end = IRQ_USB_DMA, .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL, + .name = "dma" }, }; diff --git a/arch/blackfin/mach-bf548/boards/cm_bf548.c b/arch/blackfin/mach-bf548/boards/cm_bf548.c index f0c0eef9..3e3dfb2 100644 --- a/arch/blackfin/mach-bf548/boards/cm_bf548.c +++ b/arch/blackfin/mach-bf548/boards/cm_bf548.c @@ -482,11 +482,13 @@ static struct resource musb_resources[] = { .start = IRQ_USB_INT0, .end = IRQ_USB_INT0, .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL, + .name = "mc" }, [2] = { /* DMA IRQ */ .start = IRQ_USB_DMA, .end = IRQ_USB_DMA, .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL, + .name = "dma" }, }; diff --git a/arch/blackfin/mach-bf548/boards/ezkit.c b/arch/blackfin/mach-bf548/boards/ezkit.c index 216e269..9ff166d6 100644 --- a/arch/blackfin/mach-bf548/boards/ezkit.c +++ b/arch/blackfin/mach-bf548/boards/ezkit.c @@ -587,11 +587,13 @@ static struct resource musb_resources[] = { .start = IRQ_USB_INT0, .end = IRQ_USB_INT0, .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL, + .name = "mc" }, [2] = { /* DMA IRQ */ .start = IRQ_USB_DMA, .end = IRQ_USB_DMA, .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL, + .name = "dma" }, }; diff --git a/drivers/usb/musb/cppi_dma.c b/drivers/usb/musb/cppi_dma.c index f5a65ff..de55a3c 100644 --- a/drivers/usb/musb/cppi_dma.c +++ b/drivers/usb/musb/cppi_dma.c @@ -1308,7 +1308,7 @@ dma_controller_create(struct musb *musb, void __iomem *mregs) struct cppi *controller; struct device *dev = musb->controller; struct platform_device *pdev = to_platform_device(dev); - int irq = platform_get_irq(pdev, 1); + int irq = platform_get_irq_byname(pdev, "dma"); controller = kzalloc(sizeof *controller, GFP_KERNEL); if (!controller) diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c index 4b71a1b..a5ceddf 100644 --- a/drivers/usb/musb/musb_core.c +++ b/drivers/usb/musb/musb_core.c @@ -2206,7 +2206,7 @@ static u64 *orig_dma_mask; static int __init musb_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; - int irq = platform_get_irq(pdev, 0); + int irq = platform_get_irq_byname(pdev, "mc"); int status; struct resource *iomem; void __iomem *base; diff --git a/drivers/usb/musb/musbhsdma.c b/drivers/usb/musb/musbhsdma.c index 6f771af..4e81835 100644 --- a/drivers/usb/musb/musbhsdma.c +++ b/drivers/usb/musb/musbhsdma.c @@ -363,7 +363,7 @@ dma_controller_create(struct musb *musb, void __iomem *base) struct musb_dma_controller *controller; struct device *dev = musb->controller; struct platform_device *pdev = to_platform_device(dev); - int irq = platform_get_irq(pdev, 1); + int irq = platform_get_irq_byname(pdev, "dma"); if (irq == 0) { dev_err(dev, "No DMA interrupt line!\n"); -- 2.7.4