On Sat, May 13, 2017 at 03:29:35PM +0800, Dong Aisheng wrote:
> IMX Timer/PWM Module (TPM) supports both timer and pwm function while
> this patch only adds the timer support. PWM would be added later.
> 
> The TPM counter, compare and capture registers are clocked by an
> asynchronous clock that can remain enabled in low power modes.
> 
> Cc: Daniel Lezcano <[email protected]>
> Cc: Thomas Gleixner <[email protected]>
> Cc: Shawn Guo <[email protected]>
> Signed-off-by: Anson Huang <[email protected]>
> Signed-off-by: Bai Ping <[email protected]>
> Signed-off-by: Dong Aisheng <[email protected]>
> ---

[ ... ]

> +     val = __raw_readl(timer_base + TPM_C0SC);
> +     val &= ~(TPM_C0SC_MODE_MASK | TPM_C0SC_CHIE);
> +     __raw_writel(val, timer_base + TPM_C0SC);

Hi Dong,

why are you using __raw_write/__raw_read instead of regular readl/writel?

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