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Commit ae9ae12e authored by Tony Lindgren's avatar Tony Lindgren
Browse files

bus: ti-sysc: Handle clockactivity for enable and disable 



Modules with clockactivity need it configured during enable.

Tested-by: default avatarKeerthy <j-keerthy@ti.com>
Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
parent eec26555

drivers/bus/ti-sysc.c

+7 −0
Original line number Diff line number Diff line
@@ -859,6 +859,7 @@ static void sysc_show_registers(struct sysc *ddata) 
}



#define SYSC_IDLE_MASK	(SYSC_NR_IDLEMODES - 1)

#define SYSC_CLOCACT_ICK	2



/* Caller needs to manage sysc_clkdm_deny_idle() and sysc_clkdm_allow_idle() */

static int sysc_enable_module(struct device *dev)
@@ -874,6 +875,12 @@ static int sysc_enable_module(struct device *dev) 
	regbits = ddata->cap->regbits;

	reg = sysc_read(ddata, ddata->offsets[SYSC_SYSCONFIG]);



	/* Set CLOCKACTIVITY, we only use it for ick */

	if (regbits->clkact_shift >= 0 &&

	    (ddata->cfg.quirks & SYSC_QUIRK_USE_CLOCKACT ||

	     ddata->cfg.sysc_val & BIT(regbits->clkact_shift)))

		reg |= SYSC_CLOCACT_ICK << regbits->clkact_shift;



	/* Set SIDLE mode */

	idlemodes = ddata->cfg.sidlemodes;

	if (!idlemodes || regbits->sidle_shift < 0)