Commit caf00b53 authored Sep 12, 2019 by Tero Kristo

clk: ti: am43xx: drop idlest polling from pruss clkctrl clock



The PRUSS modules on AM43xx SoCs have a hardreset line and are controlled
by a PRCM reset line. Any clkctrl enable/disable operations cannot be
checked for module enabled/disabled status independent of the reset
operation, and this causes some unwanted timeouts in the kernel and
unbalanced states for the PRUSS clocks. These details should be handled
by the driver integration code itself.

Add the CLKF_NO_IDLEST flag to the PRUSS clkctrl clock so that these
module status checks are skipped.

Signed-off-by: Tero Kristo <t-kristo@ti.com>

parent 95a62bf2

drivers/clk/ti/clk-43xx.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -126,7 +126,7 @@ static const struct omap_clkctrl_reg_data am4_l3s_clkctrl_regs[] __initconst = {
		};

		static const struct omap_clkctrl_reg_data am4_pruss_ocp_clkctrl_regs[] __initconst = {
		{ AM4_PRUSS_OCP_PRUSS_CLKCTRL, NULL, CLKF_SW_SUP, "pruss_ocp_gclk" },
		{ AM4_PRUSS_OCP_PRUSS_CLKCTRL, NULL, CLKF_SW_SUP \| CLKF_NO_IDLEST, "pruss_ocp_gclk" },
		{ 0 },
		};

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