> On 4/3/24 12:24, Avri Altman wrote: > >> On 3/27/24 00:17, Avri Altman wrote: > >>> UFS spec version 2.1 was published more than 10 years ago. It is > >>> vanishingly unlikely that even there are out there platforms that uses > >>> earlier host controllers, let alone that those ancient platforms will > >>> ever run a V6.10 kernel. Thus, remove support of host controllers prior > >>> to UFS2.1. > >> > >> According to this website, Pixel 1 devices have a UFSHCI 2.0 controller: > >> https://www.gsmarena.com/google_pixel-8346.php. There may be other > >> smartphones that have a UFSHCI 2.0 controller. Hence, I'm not sure we > >> can drop support for UFSHCI 2.0 controllers from the kernel. > > Actually the Pixel 1 is an excellent example why we can and should - > > It was announced in 2016, running Android 7 with a v4.4 kernel. > > Even if you would be able to find a working specimen of that device - > > It is not realistic it would ever run a 6.10 kernel. > > v4.4 is the kernel version of the kernel included in the original > software. Multiple users of older smartphones switch to alternative > distributions once their device is no longer supported by the > manufacturer. These alternatives often include a more recent kernel. > See e.g. https://en.wikipedia.org/wiki/List_of_custom_Android_distributions. OK. What about references of UFSHCI1.0 & UFSHCI1.1? Is it safe to remove those? Thanks, Avri > > Thanks, > > Bart.
