Input: snvs_pwrkey - add clk handling
On i.MX7S and i.MX8M* (but not i.MX6*) the pwrkey device has an associated clock. Accessing the registers requires that this clock is enabled. Binding the driver on at least i.MX7S and i.MX8MP while not having the clock enabled results in a complete hang of the machine. (This usually only happens if snvs_pwrkey is built as a module and the rtc-snvs driver isn't already bound because at bootup the required clk is on and only gets disabled when the clk framework disables unused clks late during boot.) This completes the fix in commit 135be16d ("ARM: dts: imx7s: add snvs clock to pwrkey"). Signed-off-by: NUwe Kleine-König <u.kleine-koenig@pengutronix.de> Link: https://lore.kernel.org/r/20211013062848.2667192-1-u.kleine-koenig@pengutronix.deSigned-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>
Showing
想要评论请 注册 或 登录