Re: [U-Boot] [PATCH] video: ipuv3_fb: skip IPU shutdown if IPU was not enabled before

Hi Fabio,

On Mon, 28 Aug 2017 13:22:19 -0300 Fabio Estevam festevam@gmail.com wrote: ...

...

•   /*
  

•    * Check if IPU clock was enabled before. Won't access
  

•    * IPU registers if clock is not enabled.
  

•    */
  

•   reg = readl(&mxc_ccm->CCGR3);
  

•   if ((reg & MXC_CCM_CCGR3_IPU1_IPU_MASK) == 0)
  

•           return;  
  

Maybe you could also check whether IPU2 has been enabled?

currently IPU2 is not used, the driver never enables it. I checked it when preparing this patch.

Thanks, Anatolij