On Friday 11 March 2016 12:18 PM, Vineet Gupta wrote:
> So for big endian kernel builds, just selecting the CONFIG_CPU_BIG_ENDIAN is
> not
> sufficient, we also need to manually change the CROSS_COMPILE prefix to
> arceb-xxx.
>
> @Anton, is that what you do for verification builds !
>
> @Noam I p
So for big endian kernel builds, just selecting the CONFIG_CPU_BIG_ENDIAN is not
sufficient, we also need to manually change the CROSS_COMPILE prefix to
arceb-xxx.
@Anton, is that what you do for verification builds !
@Noam I presume your defconfig has CONFIG_CROSS_COMPILE or you have set in env
On Thursday 10 March 2016 01:15 PM, Arnd Bergmann wrote:
> On Thursday 10 March 2016, Vineet Gupta wrote:
>> On Wednesday 09 March 2016 10:51 PM, Lada Trimasova wrote:
>>> Memory access primitives should use cpu_to_le16, cpu_to_le32, le16_to_cpu
>>> and le32_to_cpu because it is not really guarante
> From: Lada Trimasova
> Sent: Thursday, March 10, 2016 8:57 PM
> And for example, let's see what happens when we use "readl" in function
> "serial8250_early_in" in driver/tty/serial/8250.
Is your DTS entry includes for serial node following entries:
reg-io-width = <4>
native-endian;
if answe
On Tuesday 08 March 2016 05:56 PM, Vineet Gupta wrote:
> ARC Timers have historically been probed directly.
> As precursor to start probing Timers thru DT introduce these bindings
> Note that to keep series bisectable, these bindings are not yet used in
> code.
>
> Cc: Daniel Lezcano
> Cc: Rob Her
On Thursday 10 March 2016, Lada Trimasova wrote:
> Driver is 8250, kernel is built for BE arc, nsim option in model
> "nsim_isa_big_endian = 1".
>
> With current "readl" and "writel" implementation for ARC we read word from
> memory without any endianess manipulation. So in case of little endian
Hi Vineet, Alexey, Arnd,
On Thu, 2016-03-10 at 09:55 +, Vineet Gupta wrote:
Can you or Lada provide more details as to exactly what is not working - what
driver to be precise 8250 or dw-8250.
And where exactly the failure shows up. I want to understand this more
Noam told me off list that he h
On Thursday 10 March 2016 01:14 PM, Alexey Brodkin wrote:
>>> For example, serial port driver doesn't work when kernel is build for
>>> arc big endian architecture.
>> Last I tested Big Endian on SDP with 8250 part + 8250 driver it was working
>> fine.
>> I presume this is the systemC model for de
On Thu, Mar 10, 2016 at 11:21:21AM +0530, Vineet Gupta wrote:
> On Wednesday 09 March 2016 08:21 PM, Peter Zijlstra wrote:
> >> But in SLUB: bit_spin_lock() + __bit_spin_unlock() is acceptable ? How so
> >> (ignoring the performance thing for discussion sake, which is a side
> >> effect of
> >> th
