On Thu, 23 Aug 2007 17:15:12 -0700 Shannon Nelson wrote:
> Split the general PCI startup from the DMA handling code in order to
> prepare for adding support for DCA services and future versions of the
> ioatdma device.
>
> Signed-off-by: Shannon Nelson <[email protected]>
> Acked-by: David S. Miller <[email protected]>
> ---
>
> drivers/dma/Makefile | 2
> drivers/dma/ioat.c | 186 ++++++++++++++++++++++++++++++++++++++++++++
> drivers/dma/ioat_dma.c | 196 +++++++++++-----------------------------------
> drivers/dma/ioatdma.h | 16 +++-
> drivers/dma/ioatdma_hw.h | 2
> 5 files changed, 245 insertions(+), 157 deletions(-)
> diff --git a/drivers/dma/ioat_dma.c b/drivers/dma/ioat_dma.c
> index 9a4d154..9012176 100644
> --- a/drivers/dma/ioat_dma.c
> +++ b/drivers/dma/ioat_dma.c
> - printk(KERN_INFO " "
> - "ioatdma: Intel(R) I/OAT DMA Engine initialization failed\n");
> -
> - return err;
> + iounmap(iobase);
> + printk(KERN_ERR " "
> + "ioatdma: Intel(R) I/OAT DMA Engine initialization failed\n");
Drop the " " after KERN_ERR...
> + return NULL;
> }
> diff --git a/drivers/dma/ioatdma.h b/drivers/dma/ioatdma.h
> index bf4dad7..26aff08 100644
> --- a/drivers/dma/ioatdma.h
> +++ b/drivers/dma/ioatdma.h
> @@ -31,7 +31,7 @@
> #define IOAT_LOW_COMPLETION_MASK 0xffffffc0
>
> /**
> - * struct ioat_device - internal representation of a IOAT device
> + * struct ioatdma_device - internal representation of a IOAT device
> * @pdev: PCI-Express device
> * @reg_base: MMIO register space base address
> * @dma_pool: for allocating DMA descriptors
> @@ -39,14 +39,14 @@
> * @msi: Message Signaled Interrupt number
> */
>
> -struct ioat_device {
> +struct ioatdma_device {
> struct pci_dev *pdev;
> void __iomem *reg_base;
> struct pci_pool *dma_pool;
> struct pci_pool *completion_pool;
>
> struct dma_device common;
> - u8 msi;
> + u8 version;
This field name change needs a corresponding change in the
struct's kernel-doc above here.
> };
>
> /**
> @@ -117,4 +117,12 @@ struct ioat_desc_sw {
> struct dma_async_tx_descriptor async_tx;
> };
>
> +#if defined(CONFIG_INTEL_IOATDMA) || defined(CONFIG_INTEL_IOATDMA_MODULE)
> +struct ioatdma_device *ioat_dma_probe(struct pci_dev *, void __iomem *);
Please use parameter variable names in function prototypes (above;
most places already have them).
> +void ioat_dma_remove(struct ioatdma_device *device);
> +#else
> +#define ioat_dma_probe(pdev, io) NULL
> +#define ioat_dma_remove(dev) do { } while (0)
> +#endif
> +
> #endif /* IOATDMA_H */
---
~Randy
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