ARM: l2c: always enable low power modes (3a43b581) · Commits · e / devices / android_kernel_fairphone_FP4

arch/arm/mm/cache-l2x0.c

+12 −0

Original line number	Diff line number	Diff line
		@@ -654,6 +654,18 @@ static void __init l2c310_enable(void __iomem *base, u32 aux, unsigned num_lock)
		}
		}

		/* r3p0 or later has power control register */
		if (rev >= L310_CACHE_ID_RTL_R3P0) {
		u32 power_ctrl;

		l2c_write_sec(L310_DYNAMIC_CLK_GATING_EN \| L310_STNDBY_MODE_EN,
		base, L310_POWER_CTRL);
		power_ctrl = readl_relaxed(base + L310_POWER_CTRL);
		pr_info("L2C-310 dynamic clock gating %sabled, standby mode %sabled\n",
		power_ctrl & L310_DYNAMIC_CLK_GATING_EN ? "en" : "dis",
		power_ctrl & L310_STNDBY_MODE_EN ? "en" : "dis");
		}

		l2c_enable(base, aux, num_lock);
		}