From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8C334EE498E for ; Fri, 18 Aug 2023 19:23:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1359407AbjHRTWu (ORCPT ); Fri, 18 Aug 2023 15:22:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51208 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1379603AbjHRTWb (ORCPT ); Fri, 18 Aug 2023 15:22:31 -0400 Received: from mail-oi1-x236.google.com (mail-oi1-x236.google.com [IPv6:2607:f8b0:4864:20::236]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 06403CA for ; Fri, 18 Aug 2023 12:22:30 -0700 (PDT) Received: by mail-oi1-x236.google.com with SMTP id 5614622812f47-3a800814122so925711b6e.0 for ; Fri, 18 Aug 2023 12:22:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; t=1692386549; x=1692991349; h=in-reply-to:from:references:cc:to:subject:user-agent:mime-version :date:message-id:from:to:cc:subject:date:message-id:reply-to; bh=sAlQcPNZnyLEWc3o7XSuIb0/dSyvnSH0lPI4laFmd+Y=; b=cFcozegZciq2LVRZejZQgCEvdotLEE3ahHV4+TAnV3yv3ia5f7RR8pzjJiIdLOAenp WacavzSVuX0hLSUC5CLkWZCiu7qOJ49rUieapraELkiZnhCylDo9rksP2ofR5yclYQW/ xGAFTxPk3dcjnexrWiPs/p/Pcxr+g/iaCDpoA= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1692386549; x=1692991349; h=in-reply-to:from:references:cc:to:subject:user-agent:mime-version :date:message-id:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=sAlQcPNZnyLEWc3o7XSuIb0/dSyvnSH0lPI4laFmd+Y=; b=fTmpx3xmQRZb9DSExFzOndlc3f+3cDuXaMna1hDZvpaxf+bg1hcqOeUxVtXOv2pqVo 84PyKwxZJm4mfXxMwkC5CDzhIniVnKYC84VvIZPqiNABRIke/R1E9YZxZ3KO6X6RGqT8 yqjMF5T8RsB5+ftan2S+ODQBjYCnFVjxv1Lsmhdux5+gPob+2pxDeRw7OF/zfEwnUSKG ftmMQT30sFtHUFCJJcHbcvvRGBiLUA57BUMys1jyTYn/bVAB72QRzd1Dftw8Ws7Q54dV NP1foyZKSvk0isrJD83i4t8aMnnwOPyG9XJ1FgYSTAO0vcVBDakEgOMmXBZ9yCQLAgKn KOMg== X-Gm-Message-State: AOJu0YzhMDeVU2ywV1eKLThn/zXJekHexaHGU8E93J+TWLO2+C3fhK/a RH3KbUA9iqhXdE+OPKQ3LxuLBQ== X-Google-Smtp-Source: AGHT+IGFb6B3BIwAe9h/+YqZ/Qj4nCZVfP0WoooadtxT9en1dMzpFRU6Difu6SbZZaWqN/cQLn/pQg== X-Received: by 2002:a05:6808:df1:b0:3a7:5b1d:9470 with SMTP id g49-20020a0568080df100b003a75b1d9470mr125065oic.53.1692386549108; Fri, 18 Aug 2023 12:22:29 -0700 (PDT) Received: from [10.69.71.77] ([192.19.223.252]) by smtp.gmail.com with ESMTPSA id l4-20020a639844000000b00566089d5b92sm1889736pgo.63.2023.08.18.12.22.26 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 18 Aug 2023 12:22:28 -0700 (PDT) Message-ID: <7332fd46-0310-8fdd-81a6-4ac722a6eda4@broadcom.com> Date: Fri, 18 Aug 2023 12:22:25 -0700 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:102.0) Gecko/20100101 Thunderbird/102.13.0 Subject: Re: [PATCH v2] serial: 8250_bcm7271: improve bcm7271 8250 port To: Andy Shevchenko Cc: linux-serial@vger.kernel.org, Al Cooper , Broadcom internal kernel review list , Greg Kroah-Hartman , Jiri Slaby , =?UTF-8?Q?Ilpo_J=c3=a4rvinen?= , Florian Fainelli , John Ogness , Jiaqing Zhao , "open list:TTY LAYER" References: <1692306801-13191-1-git-send-email-justin.chen@broadcom.com> From: Justin Chen In-Reply-To: Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="0000000000001c163306033773fa" Precedence: bulk List-ID: X-Mailing-List: linux-serial@vger.kernel.org --0000000000001c163306033773fa Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 8/18/23 3:59 AM, Andy Shevchenko wrote: > On Thu, Aug 17, 2023 at 02:13:18PM -0700, Justin Chen wrote: >> The 8250 BCM7271 UART is not a direct match to PORT_16550A and other >> generic ports do not match its hardware capabilities. PORT_ALTR matches >> the rx trigger levels, but its vendor configurations are not compatible. >> Unfortunately this means we need to create another port to fully capture >> the hardware capabilities of the BCM7271 UART. >> >> To alleviate some latency pressures, we default the rx trigger level to 8. > > ... > >> + .flags = UART_CAP_FIFO | UART_CAP_AFE > > Leave trailing comma > Acked > ... > >> +/* Broadcom BCM7271 UART */ >> +#define PORT_BCM7271 76 > > 13 is free why not using it? > I was looking for a number close to another Broadcom port. I was prioritizing locality. But I have no issues with 13, I will change in v3. Thanks, Justin --0000000000001c163306033773fa Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIIQagYJKoZIhvcNAQcCoIIQWzCCEFcCAQExDzANBglghkgBZQMEAgEFADALBgkqhkiG9w0BBwGg gg3BMIIFDTCCA/WgAwIBAgIQeEqpED+lv77edQixNJMdADANBgkqhkiG9w0BAQsFADBMMSAwHgYD VQQLExdHbG9iYWxTaWduIFJvb3QgQ0EgLSBSMzETMBEGA1UEChMKR2xvYmFsU2lnbjETMBEGA1UE AxMKR2xvYmFsU2lnbjAeFw0yMDA5MTYwMDAwMDBaFw0yODA5MTYwMDAwMDBaMFsxCzAJBgNVBAYT AkJFMRkwFwYDVQQKExBHbG9iYWxTaWduIG52LXNhMTEwLwYDVQQDEyhHbG9iYWxTaWduIEdDQyBS MyBQZXJzb25hbFNpZ24gMiBDQSAyMDIwMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA vbCmXCcsbZ/a0fRIQMBxp4gJnnyeneFYpEtNydrZZ+GeKSMdHiDgXD1UnRSIudKo+moQ6YlCOu4t rVWO/EiXfYnK7zeop26ry1RpKtogB7/O115zultAz64ydQYLe+a1e/czkALg3sgTcOOcFZTXk38e aqsXsipoX1vsNurqPtnC27TWsA7pk4uKXscFjkeUE8JZu9BDKaswZygxBOPBQBwrA5+20Wxlk6k1 e6EKaaNaNZUy30q3ArEf30ZDpXyfCtiXnupjSK8WU2cK4qsEtj09JS4+mhi0CTCrCnXAzum3tgcH cHRg0prcSzzEUDQWoFxyuqwiwhHu3sPQNmFOMwIDAQABo4IB2jCCAdYwDgYDVR0PAQH/BAQDAgGG MGAGA1UdJQRZMFcGCCsGAQUFBwMCBggrBgEFBQcDBAYKKwYBBAGCNxQCAgYKKwYBBAGCNwoDBAYJ KwYBBAGCNxUGBgorBgEEAYI3CgMMBggrBgEFBQcDBwYIKwYBBQUHAxEwEgYDVR0TAQH/BAgwBgEB /wIBADAdBgNVHQ4EFgQUljPR5lgXWzR1ioFWZNW+SN6hj88wHwYDVR0jBBgwFoAUj/BLf6guRSSu TVD6Y5qL3uLdG7wwegYIKwYBBQUHAQEEbjBsMC0GCCsGAQUFBzABhiFodHRwOi8vb2NzcC5nbG9i YWxzaWduLmNvbS9yb290cjMwOwYIKwYBBQUHMAKGL2h0dHA6Ly9zZWN1cmUuZ2xvYmFsc2lnbi5j b20vY2FjZXJ0L3Jvb3QtcjMuY3J0MDYGA1UdHwQvMC0wK6ApoCeGJWh0dHA6Ly9jcmwuZ2xvYmFs c2lnbi5jb20vcm9vdC1yMy5jcmwwWgYDVR0gBFMwUTALBgkrBgEEAaAyASgwQgYKKwYBBAGgMgEo CjA0MDIGCCsGAQUFBwIBFiZodHRwczovL3d3dy5nbG9iYWxzaWduLmNvbS9yZXBvc2l0b3J5LzAN BgkqhkiG9w0BAQsFAAOCAQEAdAXk/XCnDeAOd9nNEUvWPxblOQ/5o/q6OIeTYvoEvUUi2qHUOtbf jBGdTptFsXXe4RgjVF9b6DuizgYfy+cILmvi5hfk3Iq8MAZsgtW+A/otQsJvK2wRatLE61RbzkX8 9/OXEZ1zT7t/q2RiJqzpvV8NChxIj+P7WTtepPm9AIj0Keue+gS2qvzAZAY34ZZeRHgA7g5O4TPJ /oTd+4rgiU++wLDlcZYd/slFkaT3xg4qWDepEMjT4T1qFOQIL+ijUArYS4owpPg9NISTKa1qqKWJ jFoyms0d0GwOniIIbBvhI2MJ7BSY9MYtWVT5jJO3tsVHwj4cp92CSFuGwunFMzCCA18wggJHoAMC AQICCwQAAAAAASFYUwiiMA0GCSqGSIb3DQEBCwUAMEwxIDAeBgNVBAsTF0dsb2JhbFNpZ24gUm9v dCBDQSAtIFIzMRMwEQYDVQQKEwpHbG9iYWxTaWduMRMwEQYDVQQDEwpHbG9iYWxTaWduMB4XDTA5 MDMxODEwMDAwMFoXDTI5MDMxODEwMDAwMFowTDEgMB4GA1UECxMXR2xvYmFsU2lnbiBSb290IENB IC0gUjMxEzARBgNVBAoTCkdsb2JhbFNpZ24xEzARBgNVBAMTCkdsb2JhbFNpZ24wggEiMA0GCSqG SIb3DQEBAQUAA4IBDwAwggEKAoIBAQDMJXaQeQZ4Ihb1wIO2hMoonv0FdhHFrYhy/EYCQ8eyip0E XyTLLkvhYIJG4VKrDIFHcGzdZNHr9SyjD4I9DCuul9e2FIYQebs7E4B3jAjhSdJqYi8fXvqWaN+J J5U4nwbXPsnLJlkNc96wyOkmDoMVxu9bi9IEYMpJpij2aTv2y8gokeWdimFXN6x0FNx04Druci8u nPvQu7/1PQDhBjPogiuuU6Y6FnOM3UEOIDrAtKeh6bJPkC4yYOlXy7kEkmho5TgmYHWyn3f/kRTv riBJ/K1AFUjRAjFhGV64l++td7dkmnq/X8ET75ti+w1s4FRpFqkD2m7pg5NxdsZphYIXAgMBAAGj QjBAMA4GA1UdDwEB/wQEAwIBBjAPBgNVHRMBAf8EBTADAQH/MB0GA1UdDgQWBBSP8Et/qC5FJK5N UPpjmove4t0bvDANBgkqhkiG9w0BAQsFAAOCAQEAS0DbwFCq/sgM7/eWVEVJu5YACUGssxOGhigH M8pr5nS5ugAtrqQK0/Xx8Q+Kv3NnSoPHRHt44K9ubG8DKY4zOUXDjuS5V2yq/BKW7FPGLeQkbLmU Y/vcU2hnVj6DuM81IcPJaP7O2sJTqsyQiunwXUaMld16WCgaLx3ezQA3QY/tRG3XUyiXfvNnBB4V 14qWtNPeTCekTBtzc3b0F5nCH3oO4y0IrQocLP88q1UOD5F+NuvDV0m+4S4tfGCLw0FREyOdzvcy a5QBqJnnLDMfOjsl0oZAzjsshnjJYS8Uuu7bVW/fhO4FCU29KNhyztNiUGUe65KXgzHZs7XKR1g/ XzCCBUkwggQxoAMCAQICDCPwEotc2kAt96Z1EDANBgkqhkiG9w0BAQsFADBbMQswCQYDVQQGEwJC RTEZMBcGA1UEChMQR2xvYmFsU2lnbiBudi1zYTExMC8GA1UEAxMoR2xvYmFsU2lnbiBHQ0MgUjMg UGVyc29uYWxTaWduIDIgQ0EgMjAyMDAeFw0yMjA5MTAxMjM5NTBaFw0yNTA5MTAxMjM5NTBaMIGM MQswCQYDVQQGEwJJTjESMBAGA1UECBMJS2FybmF0YWthMRIwEAYDVQQHEwlCYW5nYWxvcmUxFjAU BgNVBAoTDUJyb2FkY29tIEluYy4xFDASBgNVBAMTC0p1c3RpbiBDaGVuMScwJQYJKoZIhvcNAQkB FhhqdXN0aW4uY2hlbkBicm9hZGNvbS5jb20wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIB AQDKX7oyRqaeT81UCy+OTzAUHJeHABD6GDVZu7IJxt8GWSGx+ebFexFz/gnRO/sgwnPzzrC2DwM1 kaDgYe+pI1lMzUZvAB5DfS1qXKNGoeeNv7FoNFlv3iD4bvOykX/K/voKtjS3QNs0EDnwkvETUWWu yiXtMiGENBBJcbGirKuFTT3U/2iPoSL5OeMSEqKLdkNTT9O79KN+Rf7Zi4Duz0LUqqpz9hZl4zGc NhTY3E+cXCB11wty89QStajwXdhGJTYEvUgvsq1h8CwJj9w/38ldAQf5WjhPmApYeJR2ewFrBMCM 4lHkdRJ6TDc9nXoEkypUfjJkJHe7Eal06tosh6JpAgMBAAGjggHZMIIB1TAOBgNVHQ8BAf8EBAMC BaAwgaMGCCsGAQUFBwEBBIGWMIGTME4GCCsGAQUFBzAChkJodHRwOi8vc2VjdXJlLmdsb2JhbHNp Z24uY29tL2NhY2VydC9nc2djY3IzcGVyc29uYWxzaWduMmNhMjAyMC5jcnQwQQYIKwYBBQUHMAGG NWh0dHA6Ly9vY3NwLmdsb2JhbHNpZ24uY29tL2dzZ2NjcjNwZXJzb25hbHNpZ24yY2EyMDIwME0G A1UdIARGMEQwQgYKKwYBBAGgMgEoCjA0MDIGCCsGAQUFBwIBFiZodHRwczovL3d3dy5nbG9iYWxz aWduLmNvbS9yZXBvc2l0b3J5LzAJBgNVHRMEAjAAMEkGA1UdHwRCMEAwPqA8oDqGOGh0dHA6Ly9j cmwuZ2xvYmFsc2lnbi5jb20vZ3NnY2NyM3BlcnNvbmFsc2lnbjJjYTIwMjAuY3JsMCMGA1UdEQQc MBqBGGp1c3Rpbi5jaGVuQGJyb2FkY29tLmNvbTATBgNVHSUEDDAKBggrBgEFBQcDBDAfBgNVHSME GDAWgBSWM9HmWBdbNHWKgVZk1b5I3qGPzzAdBgNVHQ4EFgQUIWGeYuaTsnIada5Xx8TR3cheUbgw DQYJKoZIhvcNAQELBQADggEBAHNQlMqQOFYPYFO71A+8t+qWMmtOdd2iGswSOvpSZ/pmGlfw8ZvY dRTkl27m37la84AxRkiVMes14JyOZJoMh/g7fbgPlU14eBc6WQWkIA6AmNkduFWTr1pRezkjpeo6 xVmdBLM4VY1TFDYj7S8H2adPuypd62uHMY/MZi+BIUys4uAFA+N3NuUBNjcVZXYPplYxxKEuIFq6 sDL+OV16G+F9CkNMN3txsym8Nnx5WAYZb6+rBUIhMGz70V05xsHQfzvo2s7f0J1tJ5BoRlPPhL0h VOnWA3h71u9TfSsv+PXVm3P21TfOS2uc1hbzEqyENCP4i5XQ0rv0TmPW42GZ0o4xggJtMIICaQIB ATBrMFsxCzAJBgNVBAYTAkJFMRkwFwYDVQQKExBHbG9iYWxTaWduIG52LXNhMTEwLwYDVQQDEyhH bG9iYWxTaWduIEdDQyBSMyBQZXJzb25hbFNpZ24gMiBDQSAyMDIwAgwj8BKLXNpALfemdRAwDQYJ YIZIAWUDBAIBBQCggdQwLwYJKoZIhvcNAQkEMSIEIMVUjyQgykZMO0rfK869p6eD43mtxFTe1WTK eLPpwf7rMBgGCSqGSIb3DQEJAzELBgkqhkiG9w0BBwEwHAYJKoZIhvcNAQkFMQ8XDTIzMDgxODE5 MjIyOVowaQYJKoZIhvcNAQkPMVwwWjALBglghkgBZQMEASowCwYJYIZIAWUDBAEWMAsGCWCGSAFl AwQBAjAKBggqhkiG9w0DBzALBgkqhkiG9w0BAQowCwYJKoZIhvcNAQEHMAsGCWCGSAFlAwQCATAN BgkqhkiG9w0BAQEFAASCAQCtLSzH6SrBu5D4yDW7L+Xd4Pbfd1HLFEJPHB2LT4gRTCpRrSQEbr2n tW2GM9pgxUtA9ENPJPPUciVIsQCqKj57o59NqAY1ZN6szeLMj0gbCkUsCU35WO0UeMVOXTc6Cprf AegnAm2yq20tk2Xr19x7zuGf31g3V4hJ6yMFsoHy3hS0DoEzTR/KRlc02gGS9AixDpXpUBufzd0F TPvMFiCzYnEZnLUDGayOYCpUIst1ZB5VbGPb6F3wsJ16p+oWhxwG4O/lHu+RSyoOQ3oqqkJnG000 8m66O2mHx+44akQHfobgeERKuFsFXM86dft7BPu3+pIm27IdWaFkG/yXy5SJ --0000000000001c163306033773fa--