Re: [Qemu-trivial] [PATCH] IDE: MMIO IDE device control should be little endian

[Michael Tokarev <mjt@tls.msk.ru>]

22.08.2014 12:52, Valentin Manea wrote:
> Set the IDE MMIO memory type to little endian. The ATA specs identify
> words part of the control commands encoded as little endian.
> While this has no impact on little endian systems, it's required for big
> endian systems(eg OpenRisc).

While the patch itself is simple, I'm not sure it is "trivial enough".
And you didn't Cc neither qemu-devel@ nor the IDE subsystem "odd fixer"
maintainers (kwolf@ and stefanha@).  I'm not applying this for now to
trivial tree.

Thanks,

/mjt

> Signed-off-by: Valentin Manea <valentin.manea@gmail.com>
> ---
>  hw/ide/mmio.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/hw/ide/mmio.c b/hw/ide/mmio.c
> index 01c1d0e..334c8cc 100644
> --- a/hw/ide/mmio.c
> +++ b/hw/ide/mmio.c
> @@ -82,7 +82,7 @@ static void mmio_ide_write(void *opaque, hwaddr addr,
>  static const MemoryRegionOps mmio_ide_ops = {
>      .read = mmio_ide_read,
>      .write = mmio_ide_write,
> -    .endianness = DEVICE_NATIVE_ENDIAN,
> +    .endianness = DEVICE_LITTLE_ENDIAN,
>  };
> 
>  static uint64_t mmio_ide_status_read(void *opaque, hwaddr addr,
> @@ -102,7 +102,7 @@ static void mmio_ide_cmd_write(void *opaque, hwaddr
> addr,
>  static const MemoryRegionOps mmio_ide_cs_ops = {
>      .read = mmio_ide_status_read,
>      .write = mmio_ide_cmd_write,
> -    .endianness = DEVICE_NATIVE_ENDIAN,
> +    .endianness = DEVICE_LITTLE_ENDIAN,
>  };
> 
>  static const VMStateDescription vmstate_ide_mmio = {
>