From mboxrd@z Thu Jan 1 00:00:00 1970 From: Heiko Schocher Date: Wed, 13 Nov 2013 07:39:25 +0100 Subject: [U-Boot] designware_i2c: remove 10msec delay in i2c_xfer_finish In-Reply-To: <1383832353-12055-1-git-send-email-abrodkin@synopsys.com> References: <1383832353-12055-1-git-send-email-abrodkin@synopsys.com> Message-ID: <52831E9D.8010202@denx.de> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Hello Alexey, Am 07.11.2013 14:52, schrieb Alexey Brodkin: > This delay applies to any data transfer on I2C bus. > > For example 1kB data read with per-byte access (which happens if > environment is stored in I2C EEPROM) takes more than 10 seconds. > > Moreover data bus driver has to care about bus state and data transfer, > but not about internal states of attached devices. > > Signed-off-by: Alexey Brodkin > > Cc: Tom Rini > cc: Armando Visconti > Cc: Stefan Roese > Cc: Albert ARIBAUD > Cc: Heiko Schocher > Cc: Vipin KUMAR > Cc: Tom Rix > Cc: Mischa Jonker > > --- > drivers/i2c/designware_i2c.c | 3 --- > 1 file changed, 3 deletions(-) Applied to u-boot-i2c.git Thanks! bye, Heiko -- DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany