Le Tue, 25 Sep 2012 15:44:57 +,
Arnd Bergmann a écrit :
>
> It's not possible to build a kernel that runs on ARMv5 (or below) and
> also on ARMv6 (or above), so the effect would be exactly the same.
> While we are putting a lot of effort into making all sorts of ARMv6
> and ARMv7 based syste
On Tuesday 25 September 2012, Matthieu CASTET wrote:
> > static inline char __dcc_getchar(void)
> > {
> > char __c;
> >
> > if (__LINUX_ARM_ARCH >= 6)
> > asm volatile("mrc p14, 0, %0, c0, c5, 0 @ read comms data reg"
> > : "=r" (__c));
> >
Stephen Boyd a écrit :
> On 8/31/2012 4:47 AM, Matthieu CASTET wrote:
>> Signed-off-by: Matthieu Castet
>
> Please consider adding some sort of commit text. Does this add some new
> feature I may want on some downstream distro kernel?
>
ok
>
> It's unfortunate that the main logic is duplicated.
Arnd Bergmann a écrit :
> On Friday 31 August 2012, Stephen Boyd wrote:
>>> +static int hvc_dcc_put_chars_v6(uint32_t vt, const char *buf, int count)
>>> +{
>>> + int i;
>>> +
>>> + for (i = 0; i < count; i++) {
>>> + while (__dcc_getstatus_v6() & DCC_STATUS_TX_V6)
>>> +
On Friday 31 August 2012, Stephen Boyd wrote:
> > +static int hvc_dcc_put_chars_v6(uint32_t vt, const char *buf, int count)
> > +{
> > + int i;
> > +
> > + for (i = 0; i < count; i++) {
> > + while (__dcc_getstatus_v6() & DCC_STATUS_TX_V6)
> > + cpu_relax();
On 8/31/2012 4:47 AM, Matthieu CASTET wrote:
> Signed-off-by: Matthieu Castet
Please consider adding some sort of commit text. Does this add some new
feature I may want on some downstream distro kernel?
> @@ -51,7 +51,7 @@ static inline char __dcc_getchar(void)
> return __c;
> }
>
> -st
Signed-off-by: Matthieu Castet
---
drivers/tty/hvc/hvc_dcc.c | 83 +
1 file changed, 76 insertions(+), 7 deletions(-)
diff --git a/drivers/tty/hvc/hvc_dcc.c b/drivers/tty/hvc/hvc_dcc.c
index 44fbeba..5f8827f 100644
--- a/drivers/tty/hvc/hvc_dcc.c
+++
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