Messages in this thread Patch in this message | | | From | Tony Lindgren <> | Subject | [PATCH 06/13] bus: ti-sysc: Handle clockactivity for enable and disable | Date | Mon, 27 May 2019 23:24:07 -0700 |
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Modules with clockactivity need it configured during enable.
Signed-off-by: Tony Lindgren <tony@atomide.com> --- drivers/bus/ti-sysc.c | 7 +++++++ 1 file changed, 7 insertions(+)
diff --git a/drivers/bus/ti-sysc.c b/drivers/bus/ti-sysc.c --- a/drivers/bus/ti-sysc.c +++ b/drivers/bus/ti-sysc.c @@ -845,6 +845,7 @@ 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) @@ -860,6 +861,12 @@ 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) -- 2.21.0
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