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@nxp.com> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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@ -139,6 +139,9 @@ static struct timer_of to_tpm = {
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.handler = tpm_timer_interrupt,
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.flags = IRQF_TIMER | IRQF_IRQPOLL,
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},
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.of_clk = {
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.name = "per",
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},
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};
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static int __init tpm_clocksource_init(void)
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