From mboxrd@z Thu Jan 1 00:00:00 1970 From: wsa@the-dreams.de (Wolfram Sang) Date: Fri, 22 Nov 2013 17:25:41 +0100 Subject: [PATCH v2] ARM: at91: sama5d3: reduce TWI internal clock frequency In-Reply-To: <1385136523-11962-1-git-send-email-ludovic.desroches@atmel.com> References: <1385136523-11962-1-git-send-email-ludovic.desroches@atmel.com> Message-ID: <20131122162541.GE7420@katana> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Fri, Nov 22, 2013 at 05:08:43PM +0100, ludovic.desroches at atmel.com wrote: > From: Ludovic Desroches > > With some devices, transfer hangs during I2C frame transmission. This issue > disappears when reducing the internal frequency of the TWI IP. Even if it is > indicated that internal clock max frequency is 66MHz, it seems we have > oversampling on I2C signals making TWI believe that a transfer in progress > is done. > > This fix has no impact on the I2C bus frequency. > > Cc: #3.10+ > Acked-by: Nicolas Ferre > Signed-off-by: Ludovic Desroches Acked-by: Wolfram Sang -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 836 bytes Desc: Digital signature URL: