Currently, the driver configure some am335x's usb registers. Test if the driver is running on am335x before to configure these registers. Signed-off-by: Alexandre Bailon <abailon@xxxxxxxxxxxx> --- drivers/dma/cppi41.c | 17 ++++++++++++----- 1 file changed, 12 insertions(+), 5 deletions(-) diff --git a/drivers/dma/cppi41.c b/drivers/dma/cppi41.c index 58b27ef..939398e 100644 --- a/drivers/dma/cppi41.c +++ b/drivers/dma/cppi41.c @@ -1077,7 +1077,9 @@ static int cppi41_dma_probe(struct platform_device *pdev) goto err_irq; } - cppi_writel(USBSS_IRQ_PD_COMP, cdd->usbss_mem + USBSS_IRQ_ENABLER); + if (is_am335x_cppi41(dev)) + cppi_writel(USBSS_IRQ_PD_COMP, + cdd->usbss_mem + USBSS_IRQ_ENABLER); ret = devm_request_irq(&pdev->dev, irq, glue_info->isr, IRQF_SHARED, dev_name(dev), cdd); @@ -1102,7 +1104,8 @@ static int cppi41_dma_probe(struct platform_device *pdev) dma_async_device_unregister(&cdd->ddev); err_dma_reg: err_irq: - cppi_writel(0, cdd->usbss_mem + USBSS_IRQ_CLEARR); + if (is_am335x_cppi41(dev)) + cppi_writel(0, cdd->usbss_mem + USBSS_IRQ_CLEARR); cleanup_chans(cdd); err_chans: deinit_cppi41(dev, cdd); @@ -1131,7 +1134,8 @@ static int cppi41_dma_remove(struct platform_device *pdev) of_dma_controller_free(pdev->dev.of_node); dma_async_device_unregister(&cdd->ddev); - cppi_writel(0, cdd->usbss_mem + USBSS_IRQ_CLEARR); + if (is_am335x_cppi41(&pdev->dev)) + cppi_writel(0, cdd->usbss_mem + USBSS_IRQ_CLEARR); devm_free_irq(&pdev->dev, cdd->irq, cdd); cleanup_chans(cdd); deinit_cppi41(&pdev->dev, cdd); @@ -1150,7 +1154,8 @@ static int __maybe_unused cppi41_suspend(struct device *dev) struct cppi41_dd *cdd = dev_get_drvdata(dev); cdd->dma_tdfdq = cppi_readl(cdd->ctrl_mem + DMA_TDFDQ); - cppi_writel(0, cdd->usbss_mem + USBSS_IRQ_CLEARR); + if (is_am335x_cppi41(dev)) + cppi_writel(0, cdd->usbss_mem + USBSS_IRQ_CLEARR); disable_sched(cdd); return 0; @@ -1176,7 +1181,9 @@ static int __maybe_unused cppi41_resume(struct device *dev) cppi_writel(QMGR_SCRATCH_SIZE, cdd->qmgr_mem + QMGR_LRAM_SIZE); cppi_writel(0, cdd->qmgr_mem + QMGR_LRAM1_BASE); - cppi_writel(USBSS_IRQ_PD_COMP, cdd->usbss_mem + USBSS_IRQ_ENABLER); + if (is_am335x_cppi41(dev)) + cppi_writel(USBSS_IRQ_PD_COMP, + cdd->usbss_mem + USBSS_IRQ_ENABLER); return 0; } -- 2.10.2 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
