clk: ti: omap5: Drop idlest polling from IPU & DSP clkctrl clocks

The IPU and DSP remote processor cores and their corresponding MMUs on
OMAP5 SoCs have hardreset lines associated with them and are controlled
by a PRCM reset line each. 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 these clocks. These details should be handled by
the driver integration code itself.

Add the CLKF_NO_IDLEST flag to both the IPU and DSP clkctrl clocks so
that these module status checks are skipped.

Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Tero Kristo <t-kristo@ti.com>

diff --git a/drivers/clk/ti/clk-54xx.c b/drivers/clk/ti/clk-54xx.c
index b89dc0d..c9608e5 100644 (file)
--- a/drivers/clk/ti/clk-54xx.c
+++ b/drivers/clk/ti/clk-54xx.c
@@ -31,7 +31,7 @@ static const struct omap_clkctrl_reg_data omap5_mpu_clkctrl_regs[] __initconst =
 };
 
 static const struct omap_clkctrl_reg_data omap5_dsp_clkctrl_regs[] __initconst = {
-       { OMAP5_MMU_DSP_CLKCTRL, NULL, CLKF_HW_SUP, "dpll_iva_h11x2_ck" },
+       { OMAP5_MMU_DSP_CLKCTRL, NULL, CLKF_HW_SUP | CLKF_NO_IDLEST, "dpll_iva_h11x2_ck" },
        { 0 },
 };
 
@@ -145,7 +145,7 @@ static const struct omap_clkctrl_reg_data omap5_l3main2_clkctrl_regs[] __initcon
 };
 
 static const struct omap_clkctrl_reg_data omap5_ipu_clkctrl_regs[] __initconst = {
-       { OMAP5_MMU_IPU_CLKCTRL, NULL, CLKF_HW_SUP, "dpll_core_h22x2_ck" },
+       { OMAP5_MMU_IPU_CLKCTRL, NULL, CLKF_HW_SUP | CLKF_NO_IDLEST, "dpll_core_h22x2_ck" },
        { 0 },
 };