Re: [PATCH v3 2/9] clk: si5341: Wait for DEVICE_READY on startup

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Quoting Robert Hancock (2021-03-25 12:26:36)
> The Si5341 datasheet warns that before accessing any other registers,
> including the PAGE register, we need to wait for the DEVICE_READY register
> to indicate the device is ready, or the process of the device loading its
> state from NVM can be corrupted. Wait for DEVICE_READY on startup before
> continuing initialization. This is done using a raw I2C register read
> prior to setting up regmap to avoid any potential unwanted automatic PAGE
> register accesses from regmap at this stage.
> 
> Fixes: 3044a860fd ("clk: Add Si5341/Si5340 driver")
> Signed-off-by: Robert Hancock <robert.hancock@xxxxxxxxxx>
> ---

Applied to clk-next




[Index of Archives]     [Device Tree Compilter]     [Device Tree Spec]     [Linux Driver Backports]     [Video for Linux]     [Linux USB Devel]     [Linux PCI Devel]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [XFree86]     [Yosemite Backpacking]


  Powered by Linux