On Thu, Nov 15, 2018 at 10:58:44AM +0800, Ji-Ze Hong (Peter Hong) wrote: > The F81532/534 had a internal configuration space to save & control > IC state with address F81534_CUSTOM_ADDRESS_START (0x2f00). Layout > as following: > +00h: to indicate the section is valid > +01h~04h: UART Mode & port availability > +05h~08h: Output pin control on IC power on > +09h~12h: Output pin control on working <-- New added > > Old driver will use +05~08h as default on working, but newer IC will > configed with shutdown mode(7) in 05h~08h and working mode with RS232(1) > in 09h~12h. It'll make mainstream driver not working. > > This patch will make mainstream driver compatible older and newer IC. > If using a old IC, the +05h~08h will be 00h~06h, we'll direct apply it. > If using a new IC, the +05h~08h will be 07h or larger, we'll read +09h~12h > to apply newer configuration. > > Signed-off-by: Ji-Ze Hong (Peter Hong) <hpeter+linux_kernel@xxxxxxxxx> Applied for -next. I guess you can ask Greg if he's willing to take this into stable once 4.21-rc1 is out (as it is enabling support for a new class of devices). Thanks, Johan
