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<
DocScrutinizer05 >
haha
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14:01
<
wpwrak >
they missed the obvious solution: draw it in n-space, then project on 2D space
14:03
<
xiangfu >
wpwrak, I got your email. I am waiting the package now. then try to look into your source code.
14:05
<
wpwrak >
you'll like it - it's a big mess :)
14:08
<
xiangfu >
I like swimming in your source code. :-)
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16:09
<
mth >
larsc (or anyone else): I'm a bit confused by ioremap_nocache: is it ever desirable to have an I/O range mapped
*with* cache?
16:09
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16:11
<
larsc >
e.g. if the memory is non volatile
16:11
<
larsc >
on mips ioremap and ioremap_nocache behave the same, but here is also ioremap_chached
16:12
<
mth >
the i2s driver driver uses ioremap_nocache, while most other drivers just just ioremap
16:12
<
mth >
but they're actually doing the same thing then?
16:12
<
larsc >
ioremap is older
16:12
<
larsc >
at somepoint ioremap_nocache and ioremap_cached were introduced
16:13
<
mth >
for the JZ4770 drivers I'm trying to use the devm_* functions as much as possible, since it really simplifies the probe/remove operations
16:13
<
mth >
but there is no devm_request_and_ioremap_uncached, just devm_request_and_ioremap
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16:14
<
larsc >
that one internally uses the noncached version by default
16:15
<
larsc >
and falls back to cachable if the ioresource has a CACHABLE flag set
16:18
<
mth >
currently the remapping is just for show anyway, the Ingenic code just pokes using direct pointers without using writeb etc ;)
16:18
<
mth >
but it will at least log something if two driver try to claim the same address range
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