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Date: Fri, 7 Dec 2018 06:05:36 +0000 From: Anson Huang <anson.huang@....com> To: "daniel.lezcano@...aro.org" <daniel.lezcano@...aro.org>, "tglx@...utronix.de" <tglx@...utronix.de>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org> CC: dl-linux-imx <linux-imx@....com> Subject: [PATCH] clocksource/drivers/timer-imx-tpm: Specify clock name for timer-of i.MX TPM needs "ipg" clock for register access and "per" clock for timer function, the driver gets "ipg" clock by searching the clock name, but timer-of initialization will get first clock in device tree TPM node since no clock name specified in of_clk, that means the "per" clock MUST be the first clock entry in device tree TPM node, this patch specifies clock name for of_clk to avoid this restriction, it makes TPM driver work properly with different sequence of clock entries in device tree TPM node. Signed-off-by: Anson Huang <Anson.Huang@....com> --- drivers/clocksource/timer-imx-tpm.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/clocksource/timer-imx-tpm.c b/drivers/clocksource/timer-imx-tpm.c index c3dd4d2..c1d52d5 100644 --- a/drivers/clocksource/timer-imx-tpm.c +++ b/drivers/clocksource/timer-imx-tpm.c @@ -139,6 +139,9 @@ static struct timer_of to_tpm = { .handler = tpm_timer_interrupt, .flags = IRQF_TIMER | IRQF_IRQPOLL, }, + .of_clk = { + .name = "per", + }, }; static int __init tpm_clocksource_init(void) -- 2.7.4
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