[PATCH] spi/xilinx: Cast ioread32/iowrite32 function pointers

Arnd Bergmann arnd at arndb.de
Thu Jan 29 08:04:03 PST 2015


On Thursday 29 January 2015 15:51:13 Ricardo Ribalda Delgado wrote:
>          * Setup little endian helper functions first and try to use them
>          * and check if bit was correctly setup or not.
>          */
> -       xspi->read_fn = ioread32;
> -       xspi->write_fn = iowrite32;
> +       xspi->read_fn = (u32 (*)(void __iomem *)) ioread32;
> +       xspi->write_fn = (void (*)(u32, void __iomem *)) iowrite32;
>  
>         xspi->write_fn(XSPI_CR_LOOP, xspi->regs + XSPI_CR_OFFSET);
> 

Casting the type of a function you call seems rather dangerous. Why not
add an inline function in this driver as a wrapper?

	Arnd



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