Re: [PATCH v6 1/4] clk: zynqmp: Use firmware specific common clock flags
From: Stephen Boyd <sboyd@kernel.org>
Date: 2021-06-29 06:10:24
Also in:
linux-clk, lkml
Quoting Rajan Vaja (2021-06-28 00:01:19)
quoted hunk ↗ jump to hunk
diff --git a/drivers/clk/zynqmp/clk-zynqmp.h b/drivers/clk/zynqmp/clk-zynqmp.h index 5beeb41b29fa..aa013a59c7cc 100644 --- a/drivers/clk/zynqmp/clk-zynqmp.h +++ b/drivers/clk/zynqmp/clk-zynqmp.h@@ -10,6 +10,20 @@ #include <linux/firmware/xlnx-zynqmp.h> +/* Common Flags */ +/* must be gated across rate change */ +#define ZYNQMP_CLK_SET_RATE_GATE BIT(0) +/* must be gated across re-parent */ +#define ZYNQMP_CLK_SET_PARENT_GATE BIT(1) +/* propagate rate change up one level */ +#define ZYNQMP_CLK_SET_RATE_PARENT BIT(2) +/* do not gate even if unused */ +#define ZYNQMP_CLK_IGNORE_UNUSED BIT(3) +/* don't re-parent on rate change */ +#define ZYNQMP_CLK_SET_RATE_NO_REPARENT BIT(7) +/* do not gate, ever */ +#define ZYNQMP_CLK_IS_CRITICAL BIT(11)
Ok I was hoping the firmware didn't use the CRITICAL and IGNORE_UNUSED flags but I guess we've lost that battle. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel