On 2/13/21 7:24 PM, Simon Glass wrote:
Hi Giulio,

On Sat, 13 Feb 2021 at 01:47, Giulio Benetti
<giulio.bene...@benettiengineering.com> wrote:

Hi Simon, Sean,

Il giorno 13 feb 2021, alle ore 05:17, Simon Glass <s...@chromium.org> ha 
scritto:

On Fri, 12 Feb 2021 at 18:17, Giulio Benetti
<giulio.bene...@benettiengineering.com> wrote:

On 2/13/21 12:25 AM, Sean Anderson wrote:
On 2/10/21 12:37 PM, Giulio Benetti wrote:
clk_get_rate() can't and doesn't return -ve on error, it actually returns 0
on error or a value greater than 0 on success. So let's fix its
documentation.

Signed-off-by: Giulio Benetti <giulio.bene...@benettiengineering.com>
---
   include/clk.h | 2 +-
   1 file changed, 1 insertion(+), 1 deletion(-)

Reviewed-by: Simon Glass <s...@chromium.org>

Sean has already given me a NAK because this function actually return negative 
values through a ulong return types.
I didn’t check into clk-uclass.c and there if get_rate() pointer is not found 
then it returns a negative value.

Yes, wrong email...see below.


Since it’s a bit ambiguous I’ve tried to find a different approach but nothing 
that easy came into my mind.

Something like this:

* @return clock rate in Hz, 0 for invalid clock, or -ve error code for
other error

That's a good idea Simon, thank you, going to send patch for it soon.

Kind regards
--
Giulio Benetti
Benetti Engineering sas

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