[PATCH] clk: imx51: uart4, uart5 gates only exist on imx50, imx53

[Fabio Estevam]

Hi Philipp,

On Wed, Dec 13, 2017 at 9:57 AM, Philipp Zabel <p.zabel at pengutronix.de> wrote:
> i.MX51 only has 3 UARTs and no CCGR7 register. In place of the CCGR7
> register on i.MX50/i.MX53 that contains the ipg and per clock gates
> for UARTs 4 and 5, on i.MX51 there is the CMEOR register.
>
> Without this patch, the code disabling the UART clocks would also clear
> the mod_en_ov_vpu bit in the CMEOR register, among others, which causes
> register accesses to the VPU to lock up the system.
>
> Signed-off-by: Philipp Zabel <p.zabel at pengutronix.de>

Reviewed-by: Fabio Estevam <fabio.estevam at nxp.com>