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Message-ID: <CAMPhdO_KQGwFpnEsKqt_ijv55uQ0cYbuNY6Tn7=fhPr8=9YW4A@mail.gmail.com>
Date: Fri, 7 Sep 2012 11:54:17 +0800
From: Eric Miao <eric.y.miao@...il.com>
To: Rob Herring <robherring2@...il.com>
Cc: linux-arm-kernel@...ts.infradead.org,
Russell King <linux@....linux.org.uk>,
Arnd Bergmann <arnd@...db.de>, Olof Johansson <olof@...om.net>,
Linus Walleij <linus.walleij@...aro.org>,
Rob Herring <rob.herring@...xeda.com>,
Samuel Ortiz <samuel@...tiz.org>,
Haojian Zhuang <haojian.zhuang@...il.com>,
netdev@...r.kernel.org
Subject: Re: [PATCH v2 2/6] net: pxaficp_ir: add irq resources
On Fri, Sep 7, 2012 at 3:42 AM, Rob Herring <robherring2@...il.com> wrote:
> From: Rob Herring <rob.herring@...xeda.com>
>
> In order to remove dependency on mach/irqs.h, add platform device
> resources for irqs.
>
Looks good to me, we shall have this change landed long before this, thanks Rob
Acked-by: Eric Miao <eric.y.miao@...il.com>
> Signed-off-by: Rob Herring <rob.herring@...xeda.com>
> Cc: Samuel Ortiz <samuel@...tiz.org>
> Cc: Eric Miao <eric.y.miao@...il.com>
> Cc: Haojian Zhuang <haojian.zhuang@...il.com>
> Cc: netdev@...r.kernel.org
> ---
> arch/arm/mach-pxa/devices.c | 15 +++++++++++++++
> drivers/net/irda/pxaficp_ir.c | 28 +++++++++++++++++-----------
> 2 files changed, 32 insertions(+), 11 deletions(-)
>
> diff --git a/arch/arm/mach-pxa/devices.c b/arch/arm/mach-pxa/devices.c
> index 166eee5..339eb2a 100644
> --- a/arch/arm/mach-pxa/devices.c
> +++ b/arch/arm/mach-pxa/devices.c
> @@ -384,9 +384,24 @@ struct platform_device pxa_device_asoc_platform = {
>
> static u64 pxaficp_dmamask = ~(u32)0;
>
> +static struct resource pxa_ir_resources[] = {
> + [0] = {
> + .start = IRQ_STUART,
> + .end = IRQ_STUART,
> + .flags = IORESOURCE_IRQ,
> + },
> + [1] = {
> + .start = IRQ_ICP,
> + .end = IRQ_ICP,
> + .flags = IORESOURCE_IRQ,
> + },
> +};
> +
> struct platform_device pxa_device_ficp = {
> .name = "pxa2xx-ir",
> .id = -1,
> + .num_resources = ARRAY_SIZE(pxa_ir_resources),
> + .resource = pxa_ir_resources,
> .dev = {
> .dma_mask = &pxaficp_dmamask,
> .coherent_dma_mask = 0xffffffff,
> diff --git a/drivers/net/irda/pxaficp_ir.c b/drivers/net/irda/pxaficp_ir.c
> index 8d54767..cb0a5d3 100644
> --- a/drivers/net/irda/pxaficp_ir.c
> +++ b/drivers/net/irda/pxaficp_ir.c
> @@ -29,8 +29,8 @@
>
> #include <mach/dma.h>
> #include <mach/irda.h>
> -#include <mach/regs-uart.h>
> #include <mach/regs-ost.h>
> +#include <mach/regs-uart.h>
>
> #define FICP __REG(0x40800000) /* Start of FICP area */
> #define ICCR0 __REG(0x40800000) /* ICP Control Register 0 */
> @@ -112,6 +112,9 @@ struct pxa_irda {
> int txdma;
> int rxdma;
>
> + int uart_irq;
> + int icp_irq;
> +
> struct irlap_cb *irlap;
> struct qos_info qos;
>
> @@ -672,19 +675,19 @@ static int pxa_irda_start(struct net_device *dev)
>
> si->speed = 9600;
>
> - err = request_irq(IRQ_STUART, pxa_irda_sir_irq, 0, dev->name, dev);
> + err = request_irq(si->uart_irq, pxa_irda_sir_irq, 0, dev->name, dev);
> if (err)
> goto err_irq1;
>
> - err = request_irq(IRQ_ICP, pxa_irda_fir_irq, 0, dev->name, dev);
> + err = request_irq(si->icp_irq, pxa_irda_fir_irq, 0, dev->name, dev);
> if (err)
> goto err_irq2;
>
> /*
> * The interrupt must remain disabled for now.
> */
> - disable_irq(IRQ_STUART);
> - disable_irq(IRQ_ICP);
> + disable_irq(si->uart_irq);
> + disable_irq(si->icp_irq);
>
> err = -EBUSY;
> si->rxdma = pxa_request_dma("FICP_RX",DMA_PRIO_LOW, pxa_irda_fir_dma_rx_irq, dev);
> @@ -720,8 +723,8 @@ static int pxa_irda_start(struct net_device *dev)
> /*
> * Now enable the interrupt and start the queue
> */
> - enable_irq(IRQ_STUART);
> - enable_irq(IRQ_ICP);
> + enable_irq(si->uart_irq);
> + enable_irq(si->icp_irq);
> netif_start_queue(dev);
>
> printk(KERN_DEBUG "pxa_ir: irda driver opened\n");
> @@ -738,9 +741,9 @@ err_dma_rx_buff:
> err_tx_dma:
> pxa_free_dma(si->rxdma);
> err_rx_dma:
> - free_irq(IRQ_ICP, dev);
> + free_irq(si->icp_irq, dev);
> err_irq2:
> - free_irq(IRQ_STUART, dev);
> + free_irq(si->uart_irq, dev);
> err_irq1:
>
> return err;
> @@ -760,8 +763,8 @@ static int pxa_irda_stop(struct net_device *dev)
> si->irlap = NULL;
> }
>
> - free_irq(IRQ_STUART, dev);
> - free_irq(IRQ_ICP, dev);
> + free_irq(si->uart_irq, dev);
> + free_irq(si->icp_irq, dev);
>
> pxa_free_dma(si->rxdma);
> pxa_free_dma(si->txdma);
> @@ -851,6 +854,9 @@ static int pxa_irda_probe(struct platform_device *pdev)
> si->dev = &pdev->dev;
> si->pdata = pdev->dev.platform_data;
>
> + si->uart_irq = platform_get_irq(pdev, 0);
> + si->icp_irq = platform_get_irq(pdev, 1);
> +
> si->sir_clk = clk_get(&pdev->dev, "UARTCLK");
> si->fir_clk = clk_get(&pdev->dev, "FICPCLK");
> if (IS_ERR(si->sir_clk) || IS_ERR(si->fir_clk)) {
> --
> 1.7.9.5
>
--
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