| From 0d7b6f59e736f6f7389e5346a518f2dc009bbf89 Mon Sep 17 00:00:00 2001 |
| From: gaopan <b54642@freescale.com> |
| Date: Tue, 12 May 2015 18:25:29 +0800 |
| Subject: [PATCH] MLK-10893: i2c: imx: add irqf_no_suspend |
| |
| The i2c irq is masked when pcie starts a i2c transfer process |
| during noirq suspend stage. As a result, i2c transfer fails. |
| To solve the problem, IRQF_NO_SUSPEND is added to i2c bus. |
| |
| Signed-off-by: Gao Pan <b54642@freescale.com> |
| Signed-off-by: Fugang Duan <B38611@freescale.com> |
| Signed-off-by: Vipul Kumar <vipul_kumar@mentor.com> |
| (cherry picked from commit d21259d913effcad322e30d389323e72a0f9709d) |
| --- |
| drivers/i2c/busses/i2c-imx.c | 3 ++- |
| 1 file changed, 2 insertions(+), 1 deletion(-) |
| |
| --- a/drivers/i2c/busses/i2c-imx.c |
| +++ b/drivers/i2c/busses/i2c-imx.c |
| @@ -1159,7 +1159,8 @@ static int i2c_imx_probe(struct platform |
| goto rpm_disable; |
| |
| /* Request IRQ */ |
| - ret = request_threaded_irq(irq, i2c_imx_isr, NULL, IRQF_SHARED, |
| + ret = request_threaded_irq(irq, i2c_imx_isr, NULL, |
| + IRQF_SHARED | IRQF_NO_SUSPEND, |
| pdev->name, i2c_imx); |
| if (ret) { |
| dev_err(&pdev->dev, "can't claim irq %d\n", irq); |