From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wolfram Sang Subject: Re: [PATCH] i2c: bcm2835: Set up the clock stretching timeout at boot. Date: Mon, 4 Jul 2016 09:31:19 +0900 Message-ID: <20160704003118.GA1381@tetsubishi> References: <1464818845-5348-1-git-send-email-eric@anholt.net> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="VS++wcV0S1rZb1Fb" Return-path: Content-Disposition: inline In-Reply-To: <1464818845-5348-1-git-send-email-eric@anholt.net> Sender: linux-kernel-owner@vger.kernel.org To: Eric Anholt Cc: linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Stephen Warren , Lee Jones , linux-i2c@vger.kernel.org List-Id: linux-i2c@vger.kernel.org --VS++wcV0S1rZb1Fb Content-Type: text/plain; charset=us-ascii Content-Disposition: inline > + /* > + * SMBUS says "Devices participating in a transfer will > + * timeout when any clock low exceeds the value of > + * T_TIMEOUT,MIN of 25 ms." > + */ SMBus has that timeout, but I2C doesn't. How about disabling the timeout simply? Or using the max value if you want to keep the timeout detection? --VS++wcV0S1rZb1Fb Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAEBAgAGBQJXea5WAAoJEBQN5MwUoCm25yQP/0SVdel/LnOpqFx9mEXo+SSt Mt5jBziDwWlFmO+65C7K5qML9egszemXnSxE09i+pHUUMWWQu5V9yMwSFsYsxpTR seh7dvxo93AfON17zCz/KCxGyyZQAB5qk+tkSe5+6de0bpy+Two35tCAc8k/jeFE HCRxKlF6rYhY7OraY0whdViVhLtOPlnqcXuFJyegFANxzAwNRxwjguSnPBgYBYdz wav+opWhon8M1dE1R+Z+NJ5gLq4IjiLOFrxf88PsYhRJAuGc254j/AgPe1YVR1vU gpyDjZ3ulkjAV3iDRFp0+wZLLkAWtKDYeFFGAF+SLefdAEjwynheZWRQQGhHLE1G NsATIED8SmfVvwU1mJNuwZantepNO72K9KjlR6tmwLrKwPG5wW4CV+9dL/58kexT anBZqDc7aj2TNlSkGppKHb6PuY5Terzw+NJEoZ9JuW4b0Y1mMg7FN+TSZExvypLN vYGGUaI1vDI94zmifJOG2EQYiwvEjjBIjtZnQWZwwiDWTas69HhVkFKYZp9rFWOH Cj+hcB7kS9D/NAB6ZQcCgl1YzMUybcgxIHrUN3PpzZEDBfInCjj45xbk1TVLoPU9 3c2wzY8o6gM47lo01Vx8JciOurw/Lor0G29+XXhBNf44Opa/nu0JVRgIycQ1tYde 63NiRnttMz1zrw30gkcE =7pli -----END PGP SIGNATURE----- --VS++wcV0S1rZb1Fb--