ARM: i.MX: change timer clock from ipg to perclk
Contrary to the ipg clock the perclk rate is not changed or gated in low power mode, so we choose perclk for gpt. With the port to the common clock framework as a side effect the timer used the rate returned from the peripheral clock but the hardware was still programmed to use the ipg clock, so this patch only changes the hardware to really use the clock it already assumed. Signed-off-by: NRichard Zhao <richard.zhao@freescale.com> Signed-off-by: NSascha Hauer <s.hauer@pengutronix.de>
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