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

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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>
This commit is contained in:
Tero Kristo 2019-09-12 16:26:12 +03:00
parent 95a62bf2db
commit caf00b5367
1 changed files with 1 additions and 1 deletions
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drivers/clk/ti/clk-43xx.c
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@ -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 },
};