Re: [PATCH 3/4] spi: bcm-mspi: Make BCMA optional to support non-BCMA chips

From: Andy Shevchenko
Date: Fri Apr 03 2015 - 09:38:18 EST

On Thu, Apr 2, 2015 at 10:23 PM, Jonathan Richardson
<jonathar@xxxxxxxxxxxx> wrote:
> The Broadcom MSPI controller is used on various chips. The driver only
> supported BCM53xx chips with BCMA (an AMBA bus variant). The driver is
> refactored to make BCMA optional and provides a new config for non BCMA
> systems.

> struct bcm_mspi {
> struct bcma_device *core;
> - struct spi_master *master;
> + #endif
> + void __iomem *base;
> + struct spi_master *master;
> size_t read_offset;

> + void (*mspi_write)(struct bcm_mspi *mspi, u16 offset, u32 value);
> + u32 (*mspi_read)(struct bcm_mspi *mspi, u16 offset);
> +};

To avoid ugly ifdefs I think better to split driver to core part and
the actual driver part, at the end you will have something like
mspi-core.c mspi-53xx.c mspi-whatever.c. Check for example spi-dw*.c

With Best Regards,
Andy Shevchenko
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