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steeve>
i'm having trouble compiling linux4kix/linux-linaro-stable-mx6
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steeve>
i'm getting this error:
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steeve>
drivers/built-in.o: In function `pxp_runtime_resume':
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steeve>
:(.text+0x289c0): undefined reference to `request_bus_freq'
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dv_>
steeve: ask jnettlet , he is the main developer
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steeve>
dv_: thanks! :)
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steeve>
hum... where can i reach him ?
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dv_>
"jnettlet" is also his nickname here on freenode, but it may take a while for him to answer
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dv_>
he's very busy
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steeve>
i bet he is
<
steeve>
thanks a bunch, much appreciated
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unsolo>
Any good explenation why a neon vld1.8 {d0-d3} outperforms vst1.8 {d0-d3} on eim bus when rwsc >> wwsc ?
<
unsolo>
in fact the vst results in 4 concecutive 16 bit writes while the vld results in 16 continous reads
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unsolo>
that came out wrong
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unsolo>
vst results in 4 concecutive 4 continous 16 bit writes
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unsolo>
and vld results in 1 continous 16 bit read
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unsolo>
are there some limitations in the AXI bus that causes this ?
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unsolo>
since 4x16 = 1 64 bit bus access
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unsolo>
think i might have the answer
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unsolo>
restrictions on axi transfers
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unsolo>
'write channel access allways issues INCR never WRAP or FIXED.."
<
unsolo>
and INCR bursting results in a new address getting latched out every now and then.. ?? i wonder..
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