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Re: [Qemu-devel] [PATCH for-2.0 3/7] pm_smbus: correctly report unclaime


From: Andreas Färber
Subject: Re: [Qemu-devel] [PATCH for-2.0 3/7] pm_smbus: correctly report unclaimed cycles
Date: Mon, 31 Mar 2014 23:38:14 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.3.0

Am 31.03.2014 18:26, schrieb Paolo Bonzini:
> Without this patch, i2cdetect will report all addresses as present.
> With it, only 0x50..0x57 are present.
> 
> Before:
> 
>          0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f
>     00:          03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f
>     10: 10 11 12 13 14 15 16 17 18 19 1a 1b 1c 1d 1e 1f
>     20: 20 21 22 23 24 25 26 27 28 29 2a 2b 2c 2d 2e 2f
>     30: 30 31 32 33 34 35 36 37 38 39 3a 3b 3c 3d 3e 3f
>     40: 40 41 42 43 44 45 46 47 48 49 4a 4b 4c 4d 4e 4f
>     50: 50 51 52 53 54 55 56 57 58 59 5a 5b 5c 5d 5e 5f
>     60: 60 61 62 63 64 65 66 67 68 69 6a 6b 6c 6d 6e 6f
>     70: 70 71 72 73 74 75 76 77
> 
> After:
> 
>          0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f
>     00:          -- -- -- -- -- -- -- -- -- -- -- -- --
>     10: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
>     20: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
>     30: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
>     40: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
>     50: 50 51 52 53 54 55 56 57 -- -- -- -- -- -- -- --
>     60: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
>     70: -- -- -- -- -- -- -- --
> 
> Signed-off-by: Paolo Bonzini <address@hidden>
> ---
>  hw/i2c/pm_smbus.c | 63 
> ++++++++++++++++++++++++++++++++++++-------------------
>  1 file changed, 41 insertions(+), 22 deletions(-)

The pure goto refactoring looks okay to me; don't have a datasheet to
check the changing error smb_stat behavior against though, so FWIW

Reviewed-by: Andreas Färber <address@hidden>

Andreas

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