4.17-stable review patch. If anyone has any objections, please let me know.
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From: Paul Cercueil paul@crapouillou.net
[ Upstream commit 45ba63a29fd9b8a461110185e3abc5b4c90b806a ]
When the main processor goes idle, by default its clock is stopped. However, this also stops the clock of the co-processor.
Here, if the C1CLK clock is enabled, we disable this functionality.
Signed-off-by: Paul Cercueil paul@crapouillou.net Signed-off-by: Stephen Boyd sboyd@kernel.org Signed-off-by: Sasha Levin alexander.levin@microsoft.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/clk/ingenic/jz4770-cgu.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/clk/ingenic/jz4770-cgu.c +++ b/drivers/clk/ingenic/jz4770-cgu.c @@ -194,9 +194,10 @@ static const struct ingenic_cgu_clk_info .div = { CGU_REG_CPCCR, 16, 1, 4, 22, -1, -1 }, }, [JZ4770_CLK_C1CLK] = { - "c1clk", CGU_CLK_DIV, + "c1clk", CGU_CLK_DIV | CGU_CLK_GATE, .parents = { JZ4770_CLK_PLL0, }, .div = { CGU_REG_CPCCR, 12, 1, 4, 22, -1, -1 }, + .gate = { CGU_REG_OPCR, 31, true }, // disable CCLK stop on idle }, [JZ4770_CLK_PCLK] = { "pclk", CGU_CLK_DIV,