From: Matthias Schiffer Date: Mon, 25 Aug 2025 14:08:11 +0000 (+0200) Subject: clk: ti: am33xx: keep WKUP_DEBUGSS_CLKCTRL enabled X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=1e0d75258bd09323cb452655549e03975992b29e;p=users%2Fhch%2Fmisc.git clk: ti: am33xx: keep WKUP_DEBUGSS_CLKCTRL enabled As described in AM335x Errata Advisory 1.0.42, WKUP_DEBUGSS_CLKCTRL can't be disabled - the clock module will just be stuck in transitioning state forever, resulting in the following warning message after the wait loop times out: l3-aon-clkctrl:0000:0: failed to disable Just add the clock to enable_init_clks, so no attempt is made to disable it. Signed-off-by: Matthias Schiffer Signed-off-by: Alexander Stein Acked-by: Kevin Hilman Signed-off-by: Stephen Boyd --- diff --git a/drivers/clk/ti/clk-33xx.c b/drivers/clk/ti/clk-33xx.c index 85c50ea39e6d..9269e6a0db6a 100644 --- a/drivers/clk/ti/clk-33xx.c +++ b/drivers/clk/ti/clk-33xx.c @@ -258,6 +258,8 @@ static const char *enable_init_clks[] = { "dpll_ddr_m2_ck", "dpll_mpu_m2_ck", "l3_gclk", + /* WKUP_DEBUGSS_CLKCTRL - disable fails, AM335x Errata Advisory 1.0.42 */ + "l3-aon-clkctrl:0000:0", /* AM3_L3_L3_MAIN_CLKCTRL, needed during suspend */ "l3-clkctrl:00bc:0", "l4hs_gclk",