Thread (22 messages) flat view 22 messages, 4 authors, 2017-09-22

Re: [PATCH v1 03/10] clk: at91: pmc: Support backup for programmable clocks

From: Alexandre Belloni <hidden>
Date: 2017-09-13 17:03:28
Also in: linux-arm-kernel, linux-clk, linux-iio, linux-pwm, lkml

On 13/09/2017 at 14:29:35 +0200, Nicolas Ferre wrote:
On 08/09/2017 at 17:35, Romain Izard wrote:
quoted
From: Romain Izard <romain.izard-Tny/h2m1dROW3RwJEphJ61AUjnlXr6A1@public.gmane.org>

Save and restore the System Clock and Programmable Clock register for
the backup use case.
"System Clock" seems to be handled in another patch.
quoted
Signed-off-by: Romain Izard <redacted>
---
 drivers/clk/at91/pmc.c | 5 +++++
 1 file changed, 5 insertions(+)
diff --git a/drivers/clk/at91/pmc.c b/drivers/clk/at91/pmc.c
index 07dc2861ad3f..5421b03553ec 100644
--- a/drivers/clk/at91/pmc.c
+++ b/drivers/clk/at91/pmc.c
@@ -66,6 +66,7 @@ static struct
 	u32 pcr[PMC_MAX_IDS];
 	u32 audio_pll0;
 	u32 audio_pll1;
+	u32 pckr[3];
Some products have different numbers of PCK (only 2 on at91sam9x5 for
instance)...
My opinion is that it will be time to change that when multiple SoCs
will need to save their registers.


-- 
Alexandre Belloni, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
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