Messages in this thread | | | Subject | Re: [PATCH v2 1/2] nvmem: Add driver for OCOTP in Sunplus SP7021 | From | Srinivas Kandagatla <> | Date | Tue, 14 Dec 2021 09:08:11 +0000 |
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On 10/12/2021 08:50, 施錕鴻 wrote: > > > + > > +static const struct of_device_id sp_ocotp_dt_ids[] = { > > + { .compatible = "sunplus,sp7021-ocotp", .data = &sp_otp_v0 }, > > + { } > > +}; > > +MODULE_DEVICE_TABLE(of, sp_ocotp_dt_ids); > > + > > +static struct platform_driver sp_otp_driver = { > > + .probe = sp_ocotp_probe, > > + .driver = { > > + .name = "sunplus,sp7021-ocotp", > > + .of_match_table = sp_ocotp_dt_ids, > > + } > > +}; > > + > > +static int __init sp_otp0_drv_new(void) > > +{ > > + return platform_driver_register(&sp_otp_driver); > > +} > > +subsys_initcall(sp_otp0_drv_new); > > Why this needs to be subsys_initcall() why can't it be module_init? > > The OTP driver will store the mac address for ethernet driver and usb2 > disconnect voltage > for usb2 one. Therefore the order of the OTP driver should take higher > priority over the > other ones.
drivers that are looking for mac address or other values from nvmem should get an EPROBE_DEFER if nvmem provider is not ready.
does that not work for you?
--srini
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