From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andreas Larsson Subject: [PATCH 1/3] i2c-ocores: Add irq support for sparc Date: Thu, 11 Oct 2012 16:11:17 +0200 Message-ID: <1349964679-23244-2-git-send-email-andreas@gaisler.com> References: <1349964679-23244-1-git-send-email-andreas@gaisler.com> Return-path: In-Reply-To: <1349964679-23244-1-git-send-email-andreas-FkzTOoA/JUlBDgjK7y7TUQ@public.gmane.org> Sender: linux-i2c-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: jacmet-OfajU3CKLf1/SzgSGea1oA@public.gmane.org, software-FkzTOoA/JUlBDgjK7y7TUQ@public.gmane.org List-Id: linux-i2c@vger.kernel.org There are no platform resources of type IORESOURCE_IRQ on sparc, so irq number needs to be acquired in a different manner. Signed-off-by: Andreas Larsson --- drivers/i2c/busses/i2c-ocores.c | 16 ++++++++++++---- 1 files changed, 12 insertions(+), 4 deletions(-) diff --git a/drivers/i2c/busses/i2c-ocores.c b/drivers/i2c/busses/i2c-ocores.c index bffd550..d62cb3f 100644 --- a/drivers/i2c/busses/i2c-ocores.c +++ b/drivers/i2c/busses/i2c-ocores.c @@ -25,6 +25,7 @@ #include #include #include +#include #include struct ocores_i2c { @@ -270,14 +271,22 @@ static int __devinit ocores_i2c_probe(struct platform_device *pdev) struct resource *res, *res2; int ret; int i; + int irq = 0; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!res) return -ENODEV; res2 = platform_get_resource(pdev, IORESOURCE_IRQ, 0); - if (!res2) - return -ENODEV; + if (res2) { + irq = res2->start; + } else { +#ifdef CONFIG_SPARC + irq = irq_of_parse_and_map(pdev->dev.of_node, 0); +#endif + if (!irq) + return -ENODEV; + } i2c = devm_kzalloc(&pdev->dev, sizeof(*i2c), GFP_KERNEL); if (!i2c) @@ -313,8 +322,7 @@ static int __devinit ocores_i2c_probe(struct platform_device *pdev) ocores_init(i2c); init_waitqueue_head(&i2c->wait); - ret = devm_request_irq(&pdev->dev, res2->start, ocores_isr, 0, - pdev->name, i2c); + ret = devm_request_irq(&pdev->dev, irq, ocores_isr, 0, pdev->name, i2c); if (ret) { dev_err(&pdev->dev, "Cannot claim IRQ\n"); return ret; -- 1.7.0.4