[U-Boot] [PATCH 1/3] net: emaclite: Use ioremap_nocache

[Daniel Schwierzeck]

Am 27.07.2016 um 13:25 schrieb Zubair Lutfullah Kakakhel:
> Virtual to physical mapping isn't necessarily 1:1 for all architectures
> 
> Using ioremap_nocache allows for the arch code to translate the
> physical address to a virtual address.
> 
> Signed-off-by: Zubair Lutfullah Kakakhel <Zubair.Kakakhel at imgtec.com>
> Reviewed-by: Paul Burton <paul.burton at imgtec.com>

looks okay because this driver is only used by Microblaze which has
ioremap_nocache() defined.

Reviewed-by: Daniel Schwierzeck <daniel.schwierzeck at gmail.com>

> ---
>  drivers/net/xilinx_emaclite.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/net/xilinx_emaclite.c b/drivers/net/xilinx_emaclite.c
> index 7b85aa0..6df222b 100644
> --- a/drivers/net/xilinx_emaclite.c
> +++ b/drivers/net/xilinx_emaclite.c
> @@ -19,6 +19,7 @@
>  #include <fdtdec.h>
>  #include <asm-generic/errno.h>
>  #include <linux/kernel.h>
> +#include <asm/io.h>
>  
>  DECLARE_GLOBAL_DATA_PTR;
>  
> @@ -595,7 +596,8 @@ static int emaclite_ofdata_to_platdata(struct udevice *dev)
>  	int offset = 0;
>  
>  	pdata->iobase = (phys_addr_t)dev_get_addr(dev);
> -	emaclite->regs = (struct emaclite_regs *)pdata->iobase;
> +	emaclite->regs = (struct emaclite_regs *)ioremap_nocache(pdata->iobase,
> +								 0x10000);
>  
>  	emaclite->phyaddr = -1;
>  
> 

-- 
- Daniel

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