diff --git a/drivers/i2c/busses/i2c-imx-lpi2c.c b/drivers/i2c/busses/i2c-imx-lpi2c.c index 5932731b6d2f4f0a352d7a339bf574465de09192..b245eeaf5d7094cbf20b82504a01d535f7f44235 100644 --- a/drivers/i2c/busses/i2c-imx-lpi2c.c +++ b/drivers/i2c/busses/i2c-imx-lpi2c.c @@ -101,6 +101,9 @@ enum lpi2c_imx_pincfg { struct lpi2c_imx_struct { struct i2c_adapter adapter; struct clk *clk; + int irq; + struct clk *clk_per; + struct clk *clk_ipg; void __iomem *base; __u8 *rx_buf; __u8 *tx_buf; @@ -549,7 +552,7 @@ static int lpi2c_imx_probe(struct platform_device *pdev) struct lpi2c_imx_struct *lpi2c_imx; struct resource *res; unsigned int temp; - int irq, ret; + int ret; lpi2c_imx = devm_kzalloc(&pdev->dev, sizeof(*lpi2c_imx), GFP_KERNEL); if (!lpi2c_imx) @@ -560,10 +563,10 @@ static int lpi2c_imx_probe(struct platform_device *pdev) if (IS_ERR(lpi2c_imx->base)) return PTR_ERR(lpi2c_imx->base); - irq = platform_get_irq(pdev, 0); - if (irq < 0) { + lpi2c_imx->irq = platform_get_irq(pdev, 0); + if (lpi2c_imx->irq < 0) { dev_err(&pdev->dev, "can't get irq number\n"); - return irq; + return lpi2c_imx->irq; } lpi2c_imx->adapter.owner = THIS_MODULE; @@ -584,14 +587,6 @@ static int lpi2c_imx_probe(struct platform_device *pdev) if (ret) lpi2c_imx->bitrate = LPI2C_DEFAULT_RATE; - ret = devm_request_irq(&pdev->dev, irq, lpi2c_imx_isr, - IRQF_NO_SUSPEND, - pdev->name, lpi2c_imx); - if (ret) { - dev_err(&pdev->dev, "can't claim irq %d\n", irq); - return ret; - } - i2c_set_adapdata(&lpi2c_imx->adapter, lpi2c_imx); platform_set_drvdata(pdev, lpi2c_imx); @@ -638,6 +633,7 @@ static int lpi2c_runtime_suspend(struct device *dev) { struct lpi2c_imx_struct *lpi2c_imx = dev_get_drvdata(dev); + devm_free_irq(dev, lpi2c_imx->irq, lpi2c_imx); clk_disable_unprepare(lpi2c_imx->clk_ipg); clk_disable_unprepare(lpi2c_imx->clk_per); pinctrl_pm_select_idle_state(dev); @@ -663,6 +659,14 @@ static int lpi2c_runtime_resume(struct device *dev) dev_err(dev, "can't enable I2C ipg clock, ret=%d\n", ret); } + ret = devm_request_irq(dev, lpi2c_imx->irq, lpi2c_imx_isr, + IRQF_NO_SUSPEND, + dev_name(dev), lpi2c_imx); + if (ret) { + dev_err(dev, "can't claim irq %d\n", lpi2c_imx->irq); + return ret; + } + return ret; }