Re: [PATCH] reset: socfpga: use arch_initcall for early initialization

From: Philipp Zabel
Date: Thu Oct 09 2014 - 05:05:28 EST

Am Mittwoch, den 08.10.2014, 21:44 -0500 schrieb
> From: Dinh Nguyen <dinguyen@xxxxxxxxxxxxxxxxxxxxx>
> There are certain drivers that are required to get loaded very early using
> arch_initcall. An example of such a driver is the SOCFPGA's FPGA bridge driver.
> This driver has to get loaded early because it needs to enable FPGA components
> that are connected to the bridge.
> This FPGA bridge driver will using the reset controller API to toggle it's
> reset bits, thus, it needs the reset driver to be loaded as early as possible
> in order for it to get used properly.

Without knowing the details, this sounds like the wrong approach. Can't
the bridge driver return -EPROBE_DEFER until the reset controller is


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