Hi Marek, Am 20.07.2015 um 00:12 schrieb Marek Vasut: > On Monday, July 20, 2015 at 12:04:58 AM, Stefan Wahren wrote: >> This patch brings read-only support for the On-Chip OTP cells >> in the i.MX23 and i.MX28 processor. The driver implements the >> new NVMEM provider API. >> >> Signed-off-by: Stefan Wahren <stefan.wah...@i2se.com> > How come this driver isn't doing any manipulation with the VDDIO > voltage -- or did I miss that? I seem to remember that the VDDIO > had to be lowered to 2.8V before the fuses could be programmed > and restored to 3.3V afterward. See for example recent mainline > u-boot, drivers/misc/mxs_ocotp.c .
Why should the driver implement VDDIO manipulation when there is only read-only support for the OTP bits? There is no ambition to implement write support. Maybe i should clarify that in the comments. Btw i'm on your side that because programming the OTP from userspace is to dangerous. Best regards Stefan > > Best regards, > Marek Vasut > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-ker...@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
