Return-Path: Message-ID: <1399888626.879.111.camel@i7.infradead.org> Subject: Re: linux-firmware: Update Intel BT devices firmware patch files (7260/3160) From: David Woodhouse To: Adam Lee Cc: Ben Hutchings , "An, Tedd" , Linux Bluetooth mailing list , "Grumbach, Emmanuel" , "Fry, Don" Date: Mon, 12 May 2014 10:57:06 +0100 In-Reply-To: <20140512094137.GB3503@adam-laptop> References: <20140314135254.2edf9d2e@han1-desk-dev> <1395003913.15764.118.camel@deadeye.wl.decadent.org.uk> <1396829760.13361.19.camel@deadeye.wl.decadent.org.uk> <20140512094137.GB3503@adam-laptop> Content-Type: multipart/signed; micalg="sha-1"; protocol="application/x-pkcs7-signature"; boundary="=-L0ep6+qP8Mqlab3oULro" Mime-Version: 1.0 Sender: linux-bluetooth-owner@vger.kernel.org List-ID: --=-L0ep6+qP8Mqlab3oULro Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Mon, 2014-05-12 at 17:41 +0800, Adam Lee wrote: >=20 > > > > > File: intel/ibt-hw-37.7.bseq > > > > > Version: 1316.02.00 > > > > > File: intel/ibt-hw-37.7.10-fw-1.80.2.3.d.bseq > > > > > -Version: 1344.01.33 > > > > > +Version: auto.WP_1303_02_patch_0.1.54.1 (0x36) > > > > > File: intel/ibt-hw-37.7.10-fw-1.0.2.3.d.bseq > > > > > -Version: 1344.01.33 > > > > > +Version: auto.WP_1303_02_patch_0.1.54.1 (0x36) > > > > [...] > > > >=20 > > > > Why has the version format changed? Are all the different parts ac= tually > > > > significant? > > [...] > >=20 > > That doesn't answer the second question. > >=20 > > I really have a hard time believing that all of 'auto.WP', '1303_02', > > 'patch', '0.1.54.1' and '0x36' are all significant. No-one else seems > > to need more than 4 components in a version number; what's so special > > about this firmware? > >=20 > > And another question: can an outside observer compare version strings > > and get any sense of which is newer? Are the components in the right > > order (most significant first)? > >=20 > > Ben. >=20 > Hi, all >=20 > This firmware also fixes another EHCI HSP/HFP profile not working issue, > could you guys please reach a consensus about the version string and get > it upstreamed? I don't care as much about the version number. Even Ben's question about which is newer isn't that interesting to me. With closed-source firmware you never know that newer is *better*, and you often end up deliberately staying on old versions. I'm more bothered by all the crap in the filename. That ought to be considered equivalent to the soname in a dynamically linked library =E2=80= =94 it specifies the ABI (and the specific hardware). And it looks like the *filename* has more version-cruft in it than it should have. But that's a separate issue and it isn't being changed in this patch. It should ideally have been caught when the file was originally added. --=20 David Woodhouse Open Source Technology Centre David.Woodhouse@intel.com Intel Corporation --=-L0ep6+qP8Mqlab3oULro Content-Type: application/x-pkcs7-signature; name="smime.p7s" Content-Disposition: attachment; filename="smime.p7s" Content-Transfer-Encoding: base64 MIAGCSqGSIb3DQEHAqCAMIACAQExCzAJBgUrDgMCGgUAMIAGCSqGSIb3DQEHAQAAoIISxDCCBjQw ggQcoAMCAQICAR4wDQYJKoZIhvcNAQEFBQAwfTELMAkGA1UEBhMCSUwxFjAUBgNVBAoTDVN0YXJ0 Q29tIEx0ZC4xKzApBgNVBAsTIlNlY3VyZSBEaWdpdGFsIENlcnRpZmljYXRlIFNpZ25pbmcxKTAn BgNVBAMTIFN0YXJ0Q29tIENlcnRpZmljYXRpb24gQXV0aG9yaXR5MB4XDTA3MTAyNDIxMDE1NVoX DTE3MTAyNDIxMDE1NVowgYwxCzAJBgNVBAYTAklMMRYwFAYDVQQKEw1TdGFydENvbSBMdGQuMSsw KQYDVQQLEyJTZWN1cmUgRGlnaXRhbCBDZXJ0aWZpY2F0ZSBTaWduaW5nMTgwNgYDVQQDEy9TdGFy dENvbSBDbGFzcyAxIFByaW1hcnkgSW50ZXJtZWRpYXRlIENsaWVudCBDQTCCASIwDQYJKoZIhvcN AQEBBQADggEPADCCAQoCggEBAMcJg8zOLdgasSmkLhOrlr6KMoOMpohBllVHrdRvEg/q6r8jR+EK 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