From mboxrd@z Thu Jan 1 00:00:00 1970 From: pavel@ucw.cz (Pavel Machek) Date: Sat, 3 Nov 2018 20:17:04 +0100 Subject: [PATCH 4/4] ARM: mmp/mmp2: dt: enable the clock In-Reply-To: <20180918205455.25464-5-lkundrak@v3.sk> References: <20180918205455.25464-1-lkundrak@v3.sk> <20180918205455.25464-5-lkundrak@v3.sk> Message-ID: <20181103191703.GJ31179@amd> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Tue 2018-09-18 22:54:55, Lubomir Rintel wrote: > The device-tree booted MMP2 needs to enable the timer clock, otherwise > the it would stop ticking when the boot finishes. "the it" -> "it" > It can also use the clock rate from the clk, the non-DT boards need to > keep using the hardcoded rates. > > Signed-off-by: Lubomir Rintel Acked-by: Pavel Machek > + clk = of_clk_get(np, 0); > + if (!IS_ERR(clk)) { > + ret = clk_prepare_enable(clk); > + if (ret) > + goto out; > + rate = clk_get_rate(clk) / 2; > + } else if (cpu_is_pj4 ()) { extra space. > + rate = 6500000; > + } else { > + rate = 3250000; > + } > + > irq = irq_of_parse_and_map(np, 0); > if (!irq) { > ret = -EINVAL; > @@ -231,7 +239,7 @@ void __init mmp_dt_init_timer(void) > ret = -ENOMEM; > goto out; > } > - timer_init(irq); > + timer_init(irq, rate); > return; > out: > pr_err("Failed to get timer from device tree with error:%d\n", ret); -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 181 bytes Desc: Digital signature URL: