Hi Sasha,
I think this patch shouldn't be added to the stable trees; it will
cause the TCU clock to be managed by the clock framework and
automatically gated after bootup since it has no client, causing a
global system lockup. It's only really applicable to 5.3.
Thanks,
-Paul
Le sam., oct. 5, 2019 at 19:56, Sasha Levin <sashal@xxxxxxxxxx> a
écrit :
This is a note to let you know that I've just added the patch titled
clk: jz4740: Add TCU clock
to the 4.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
clk-jz4740-add-tcu-clock.patch
and it can be found in the queue-4.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable
tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit c72b7e327a8b4d3b870f76011f674134f9ac38f6
Author: Paul Cercueil <paul@xxxxxxxxxxxxxxx>
Date: Wed Jul 24 13:16:10 2019 -0400
clk: jz4740: Add TCU clock
[ Upstream commit 73dd11dc1a883d4c994d729dc9984f4890001157 ]
Add the missing TCU clock to the list of clocks supplied by the
CGU for
the JZ4740 SoC.
Signed-off-by: Paul Cercueil <paul@xxxxxxxxxxxxxxx>
Tested-by: Mathieu Malaterre <malat@xxxxxxxxxx>
Tested-by: Artur Rojek <contact@xxxxxxxxxxxxxx>
Acked-by: Stephen Boyd <sboyd@xxxxxxxxxx>
Acked-by: Rob Herring <robh@xxxxxxxxxx>
Signed-off-by: Paul Burton <paul.burton@xxxxxxxx>
Cc: Ralf Baechle <ralf@xxxxxxxxxxxxxx>
Cc: James Hogan <jhogan@xxxxxxxxxx>
Cc: Jonathan Corbet <corbet@xxxxxxx>
Cc: Lee Jones <lee.jones@xxxxxxxxxx>
Cc: Arnd Bergmann <arnd@xxxxxxxx>
Cc: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Michael Turquette <mturquette@xxxxxxxxxxxx>
Cc: Jason Cooper <jason@xxxxxxxxxxxxxx>
Cc: Marc Zyngier <marc.zyngier@xxxxxxx>
Cc: Rob Herring <robh+dt@xxxxxxxxxx>
Cc: Mark Rutland <mark.rutland@xxxxxxx>
Cc: devicetree@xxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
Cc: linux-doc@xxxxxxxxxxxxxxx
Cc: linux-mips@xxxxxxxxxxxxxxx
Cc: linux-clk@xxxxxxxxxxxxxxx
Cc: od@xxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/clk/ingenic/jz4740-cgu.c
b/drivers/clk/ingenic/jz4740-cgu.c
index 305a26c2a800e..01b5b8b103888 100644
--- a/drivers/clk/ingenic/jz4740-cgu.c
+++ b/drivers/clk/ingenic/jz4740-cgu.c
@@ -211,6 +211,12 @@ static const struct ingenic_cgu_clk_info
jz4740_cgu_clocks[] = {
.parents = { JZ4740_CLK_EXT, -1, -1, -1 },
.gate = { CGU_REG_CLKGR, 5 },
},
+
+ [JZ4740_CLK_TCU] = {
+ "tcu", CGU_CLK_GATE,
+ .parents = { JZ4740_CLK_EXT, -1, -1, -1 },
+ .gate = { CGU_REG_CLKGR, 1 },
+ },
};
static void __init jz4740_cgu_init(struct device_node *np)
diff --git a/include/dt-bindings/clock/jz4740-cgu.h
b/include/dt-bindings/clock/jz4740-cgu.h
index 43153d3e9bd26..ff7c27bc98e37 100644
--- a/include/dt-bindings/clock/jz4740-cgu.h
+++ b/include/dt-bindings/clock/jz4740-cgu.h
@@ -33,5 +33,6 @@
#define JZ4740_CLK_ADC 19
#define JZ4740_CLK_I2C 20
#define JZ4740_CLK_AIC 21
+#define JZ4740_CLK_TCU 22
#endif /* __DT_BINDINGS_CLOCK_JZ4740_CGU_H__ */
