From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tomi Valkeinen Date: Fri, 23 May 2014 14:26:01 +0000 Subject: Re: [PATCH v2 1/3] video: clps711x: Add new Cirrus Logic CLPS711X framebuffer driver Message-Id: <537F5A79.2080801@ti.com> MIME-Version: 1 Content-Type: multipart/mixed; boundary="XL1mCHiimlT1kATX4m3IJnFnjol51s5gh" List-Id: References: <1397285583-15187-1-git-send-email-shc_work@mail.ru> In-Reply-To: <1397285583-15187-1-git-send-email-shc_work@mail.ru> To: linux-fbdev@vger.kernel.org --XL1mCHiimlT1kATX4m3IJnFnjol51s5gh Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable On 23/05/14 17:14, Arnd Bergmann wrote: > On Friday 23 May 2014 17:10:35 Tomi Valkeinen wrote: >> On 23/05/14 16:13, Alexander Shiyan wrote: >> >>>> Would it be possible to add the new driver along the old driver, and= use >>>> the new driver only for the boards you have, and for boards for whic= h >>>> it's clear the the old driver is not working? This could be merged f= or 3.16. >>> >>> At this time yes, we can. But since I plan to add multiplatform suppo= rt >>> for this SOC, this seems not possible. >>> I can try to make multiplatform support optional, then it could be do= ne... >> >> Hmm, why is that not possible with multiplatform support? What do you >> mean with multiplatform support here? >=20 > We are migrating all ARM platforms to allow building them into a single= > kernel. However, that means that device drivers cannot access platform > specific header files any more and have to get hardware information fro= m > DT or through platform data. The existing driver however uses mach/hard= ware.h. Ah, I see. So the problem is not with two different drivers for the same hardware device as such, but that in this case the older driver just doesn't play well with multiplatform. Tomi --XL1mCHiimlT1kATX4m3IJnFnjol51s5gh Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAEBAgAGBQJTf1p5AAoJEPo9qoy8lh711PYP/R7SvEuf+HZQJzpfNhPpOBpn qOG/XibTQkhmrBwHMvt5pV5p37E/pxYDWtKEiLmL8Gdsj1c74QSAhO1nAfihS4W0 fGnkW+5BVyX9NZnzv+vm56ZUmfTkpNe7aLz1+f5Q37b6Cgy5bMlaDDHs0RdGTZSn MuG4NByBb3IV0sxZLn9DAEijc9nfrifyrRVFHRHURRSsbycI12lzwnPB0Y04oxL7 cFBkAjDYYxV/FZRA8QxG1L+nXU4DMOqwkK7D/XdhZYQtPIcD1Ng+xuBwymCULENh gUgFLdKJHaTNWK13jzuIhTtcWLDpPaiRNW8UPNWXcgCrn5TGrQ2NfhHP89sXYbcX J/ncH5picP3c3R2NCWFTSSA4ktPRiasJFTqhC2CyjrjuQxpA0M3QbFH+NiIAEMAn /xhHpTptwIP2rt6uGa5ubV/1oceCHy8we8/ZNnhBce5Rbcg/9eXy8oKRtfOhm2Mb bl/VRnkUaVZjxNHrLgm54+H+J6qwJvetG9vZV0ShDawoWGEBbF5rNuhwMpRerL23 L+pa4JQRiR5BfENoZPkLsLx5yNSXzMAqTq8BSPfbf7tdMgOyp5TDsdQAfoSzMkuS SG1SRY/qdFBExhOBVYDL6QPMww1H8HIXg9NBGsCXberAMtfdTyRIP7uWOPTQLMq/ Uh7+NX7s5zHDOULUlz9T =mDNW -----END PGP SIGNATURE----- --XL1mCHiimlT1kATX4m3IJnFnjol51s5gh--