net/ethoc: support big-endian register layout (06e60e59) · Commits · e / devices / android_kernel_oneplus_sm8150

drivers/net/ethernet/ethoc.c

+12 −2

Original line number	Original line	Diff line number	Diff line
	@@ -201,6 +201,7 @@ struct ethoc {
	void __iomem *membase;		void __iomem *membase;
	int dma_alloc;		int dma_alloc;
	resource_size_t io_region_size;		resource_size_t io_region_size;
			bool big_endian;

	unsigned int num_bd;		unsigned int num_bd;
	unsigned int num_tx;		unsigned int num_tx;
	@@ -236,11 +237,17 @@ struct ethoc_bd {

	static inline u32 ethoc_read(struct ethoc *dev, loff_t offset)		static inline u32 ethoc_read(struct ethoc *dev, loff_t offset)
	{		{
			if (dev->big_endian)
			return ioread32be(dev->iobase + offset);
			else
	return ioread32(dev->iobase + offset);		return ioread32(dev->iobase + offset);
	}		}

	static inline void ethoc_write(struct ethoc *dev, loff_t offset, u32 data)		static inline void ethoc_write(struct ethoc *dev, loff_t offset, u32 data)
	{		{
			if (dev->big_endian)
			iowrite32be(data, dev->iobase + offset);
			else
	iowrite32(data, dev->iobase + offset);		iowrite32(data, dev->iobase + offset);
	}		}

	@@ -1106,6 +1113,9 @@ static int ethoc_probe(struct platform_device *pdev)
	priv->dma_alloc = buffer_size;		priv->dma_alloc = buffer_size;
	}		}

			priv->big_endian = pdata ? pdata->big_endian :
			of_device_is_big_endian(pdev->dev.of_node);

	/* calculate the number of TX/RX buffers, maximum 128 supported */		/* calculate the number of TX/RX buffers, maximum 128 supported */
	num_bd = min_t(unsigned int,		num_bd = min_t(unsigned int,
	128, (netdev->mem_end - netdev->mem_start + 1) / ETHOC_BUFSIZ);		128, (netdev->mem_end - netdev->mem_start + 1) / ETHOC_BUFSIZ);

+1 −0