[U-Boot] [PATCH] kmp204x: set the ZL clk chips reset to power up only
York Sun
yorksun at freescale.com
Tue Aug 12 19:54:44 CEST 2014
On 07/17/2014 05:22 AM, Valentin Longchamp wrote:
> There is the requirement on the chassis's backplane that when the clocks
> are enabled, they should not disappear. Resetting theses chips at unit
I guess here "they" means the "clocks".
> reset also has the side effect that their clocks disappear.
What does "their" point to? Whose clocks?
>
> To avoid this side effect, both the ZL chips are reset only in the event
> of a power cycle.
>
Do you mean "power up" here?
I suggest you rephrase your commit message. It sounds twisting.
> Signed-off-by: Valentin Longchamp <valentin.longchamp at keymile.com>
> ---
>
> board/keymile/kmp204x/kmp204x.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/board/keymile/kmp204x/kmp204x.c b/board/keymile/kmp204x/kmp204x.c
> index 6bc8eb8..638b2a3 100644
> --- a/board/keymile/kmp204x/kmp204x.c
> +++ b/board/keymile/kmp204x/kmp204x.c
> @@ -94,7 +94,7 @@ int board_early_init_f(void)
> qrio_wdmask(BFTIC4_RST, true);
>
> /* set the ZL30138's prstcfg to reset at power-up and unit reset only */
> - qrio_prstcfg(ZL30158_RST, PRSTCFG_POWUP_UNIT_RST);
> + qrio_prstcfg(ZL30158_RST, PRSTCFG_POWUP_RST);
> /* and take it out of reset as soon as possible (needed for Hooper) */
> qrio_prst(ZL30158_RST, false, false);
>
> @@ -144,7 +144,7 @@ int misc_init_f(void)
> qrio_prst(ETH_FRONT_PHY_RST, false, false);
>
> /* set the ZL30343 prstcfg to reset at power-up and unit reset only */
> - qrio_prstcfg(ZL30343_RST, PRSTCFG_POWUP_UNIT_RST);
> + qrio_prstcfg(ZL30343_RST, PRSTCFG_POWUP_RST);
> /* and enable the WD on it */
> qrio_wdmask(ZL30343_RST, true);
You changed the macros here but not the comments.
York
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