Misc HW patches for 2024-03-26

[PULL 06/13] hw/misc/stm32l4x5_rcc: Inline clock_update() in clock_mux_update()

Philippe Mathieu-Daudé posted 13 patches 1 year, 10 months ago

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Maintainers: "Alex Bennée" <alex.bennee@linaro.org>, Alexandre Iooss <erdnaxe@crans.org>, Mahmoud Mandour <ma.mandourr@gmail.com>, Pierrick Bouvier <pierrick.bouvier@linaro.org>, Luc Michel <luc@lmichel.fr>, Damien Hedde <damien.hedde@dahe.fr>, BALATON Zoltan <balaton@eik.bme.hu>, Arnaud Minier <arnaud.minier@telecom-paris.fr>, "Inès Varhol" <ines.varhol@telecom-paris.fr>, Paolo Bonzini <pbonzini@redhat.com>, Fam Zheng <fam@euphon.net>, "Michael S. Tsirkin" <mst@redhat.com>, Igor Mammedov <imammedo@redhat.com>, Ani Sinha <anisinha@redhat.com>, "Dr. David Alan Gilbert" <dave@treblig.org>, Richard Henderson <richard.henderson@linaro.org>, Eduardo Habkost <eduardo@habkost.net>, Bastian Koppelmann <kbastian@mail.uni-paderborn.de>, Peter Maydell <peter.maydell@linaro.org>, "Philippe Mathieu-Daudé" <philmd@linaro.org>, Akihiko Odaki <akihiko.odaki@daynix.com>, Gerd Hoffmann <kraxel@redhat.com>, "Marc-André Lureau" <marcandre.lureau@redhat.com>

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[PULL 06/13] hw/misc/stm32l4x5_rcc: Inline clock_update() in clock_mux_update()

Posted by Philippe Mathieu-Daudé 1 year, 10 months ago

Trivial inlining in preliminary patch to make the next
one easier to review.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20240325152827.73817-3-philmd@linaro.org>
---
 hw/misc/stm32l4x5_rcc.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/hw/misc/stm32l4x5_rcc.c b/hw/misc/stm32l4x5_rcc.c
index bc2d63528b..49b90afdf0 100644
--- a/hw/misc/stm32l4x5_rcc.c
+++ b/hw/misc/stm32l4x5_rcc.c
@@ -48,6 +48,8 @@ static void clock_mux_update(RccClockMuxState *mux, bool bypass_source)
     uint64_t src_freq;
     Clock *current_source = mux->srcs[mux->src];
     uint32_t freq_multiplier = 0;
+    bool clk_changed = false;
+
     /*
      * To avoid rounding errors, we use the clock period instead of the
      * frequency.
@@ -60,7 +62,10 @@ static void clock_mux_update(RccClockMuxState *mux, bool bypass_source)
     }
 
     clock_set_mul_div(mux->out, freq_multiplier, mux->multiplier);
-    clock_update(mux->out, clock_get(current_source));
+    clk_changed |= clock_set(mux->out, clock_get(current_source));
+    if (clk_changed) {
+        clock_propagate(mux->out);
+    }
 
     src_freq = clock_get_hz(current_source);
     /* TODO: can we simply detect if the config changed so that we reduce log spam ? */
-- 
2.41.0