diff options
Diffstat (limited to 'target/linux/layerscape/patches-5.4/808-i2c-0002-MLK-10893-i2c-imx-add-irqf_no_suspend.patch')
| -rw-r--r-- | target/linux/layerscape/patches-5.4/808-i2c-0002-MLK-10893-i2c-imx-add-irqf_no_suspend.patch | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-5.4/808-i2c-0002-MLK-10893-i2c-imx-add-irqf_no_suspend.patch b/target/linux/layerscape/patches-5.4/808-i2c-0002-MLK-10893-i2c-imx-add-irqf_no_suspend.patch new file mode 100644 index 0000000000..08f44e795e --- /dev/null +++ b/target/linux/layerscape/patches-5.4/808-i2c-0002-MLK-10893-i2c-imx-add-irqf_no_suspend.patch @@ -0,0 +1,29 @@ +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 +@@ -1113,7 +1113,8 @@ static int i2c_imx_probe(struct platform + } + + /* Request IRQ */ +- ret = devm_request_irq(&pdev->dev, irq, i2c_imx_isr, IRQF_SHARED, ++ ret = devm_request_irq(&pdev->dev, irq, i2c_imx_isr, ++ IRQF_SHARED | IRQF_NO_SUSPEND, + pdev->name, i2c_imx); + if (ret) { + dev_err(&pdev->dev, "can't claim irq %d\n", irq); |