dma: cppi41: add shortcut to &pdev->dev in cppi41_dma_probe()

Makes the code more readable and compact. No functional change.

Signed-off-by: Daniel Mack <zonque@gmail.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

diff --git a/drivers/dma/cppi41.c b/drivers/dma/cppi41.c
index 5469a15..d689706 100644 (file)
--- a/drivers/dma/cppi41.c
+++ b/drivers/dma/cppi41.c
@@ -927,11 +927,12 @@ static const struct cppi_glue_infos *get_glue_info(struct device *dev)
 static int cppi41_dma_probe(struct platform_device *pdev)
 {
        struct cppi41_dd *cdd;
+       struct device *dev = &pdev->dev;
        const struct cppi_glue_infos *glue_info;
        int irq;
        int ret;
 
-       glue_info = get_glue_info(&pdev->dev);
+       glue_info = get_glue_info(dev);
        if (!glue_info)
                return -EINVAL;
 
@@ -946,14 +947,14 @@ static int cppi41_dma_probe(struct platform_device *pdev)
        cdd->ddev.device_issue_pending = cppi41_dma_issue_pending;
        cdd->ddev.device_prep_slave_sg = cppi41_dma_prep_slave_sg;
        cdd->ddev.device_control = cppi41_dma_control;
-       cdd->ddev.dev = &pdev->dev;
+       cdd->ddev.dev = dev;
        INIT_LIST_HEAD(&cdd->ddev.channels);
        cpp41_dma_info.dma_cap = cdd->ddev.cap_mask;
 
-       cdd->usbss_mem = of_iomap(pdev->dev.of_node, 0);
-       cdd->ctrl_mem = of_iomap(pdev->dev.of_node, 1);
-       cdd->sched_mem = of_iomap(pdev->dev.of_node, 2);
-       cdd->qmgr_mem = of_iomap(pdev->dev.of_node, 3);
+       cdd->usbss_mem = of_iomap(dev->of_node, 0);
+       cdd->ctrl_mem = of_iomap(dev->of_node, 1);
+       cdd->sched_mem = of_iomap(dev->of_node, 2);
+       cdd->qmgr_mem = of_iomap(dev->of_node, 3);
 
        if (!cdd->usbss_mem || !cdd->ctrl_mem || !cdd->sched_mem ||
                        !cdd->qmgr_mem) {
@@ -961,8 +962,8 @@ static int cppi41_dma_probe(struct platform_device *pdev)
                goto err_remap;
        }
 
-       pm_runtime_enable(&pdev->dev);
-       ret = pm_runtime_get_sync(&pdev->dev);
+       pm_runtime_enable(dev);
+       ret = pm_runtime_get_sync(dev);
        if (ret)
                goto err_get_sync;
 
@@ -970,22 +971,22 @@ static int cppi41_dma_probe(struct platform_device *pdev)
        cdd->queues_tx = glue_info->queues_tx;
        cdd->td_queue = glue_info->td_queue;
 
-       ret = init_cppi41(&pdev->dev, cdd);
+       ret = init_cppi41(dev, cdd);
        if (ret)
                goto err_init_cppi;
 
-       ret = cppi41_add_chans(&pdev->dev, cdd);
+       ret = cppi41_add_chans(dev, cdd);
        if (ret)
                goto err_chans;
 
-       irq = irq_of_parse_and_map(pdev->dev.of_node, 0);
+       irq = irq_of_parse_and_map(dev->of_node, 0);
        if (!irq)
                goto err_irq;
 
        cppi_writel(USBSS_IRQ_PD_COMP, cdd->usbss_mem + USBSS_IRQ_ENABLER);
 
        ret = request_irq(irq, glue_info->isr, IRQF_SHARED,
-                       dev_name(&pdev->dev), cdd);
+                       dev_name(dev), cdd);
        if (ret)
                goto err_irq;
        cdd->irq = irq;
@@ -994,7 +995,7 @@ static int cppi41_dma_probe(struct platform_device *pdev)
        if (ret)
                goto err_dma_reg;
 
-       ret = of_dma_controller_register(pdev->dev.of_node,
+       ret = of_dma_controller_register(dev->of_node,
                        cppi41_dma_xlate, &cpp41_dma_info);
        if (ret)
                goto err_of;
@@ -1009,11 +1010,11 @@ err_irq:
        cppi_writel(0, cdd->usbss_mem + USBSS_IRQ_CLEARR);
        cleanup_chans(cdd);
 err_chans:
-       deinit_cppi41(&pdev->dev, cdd);
+       deinit_cppi41(dev, cdd);
 err_init_cppi:
-       pm_runtime_put(&pdev->dev);
+       pm_runtime_put(dev);
 err_get_sync:
-       pm_runtime_disable(&pdev->dev);
+       pm_runtime_disable(dev);
        iounmap(cdd->usbss_mem);
        iounmap(cdd->ctrl_mem);
        iounmap(cdd->sched_mem);