Re: [U-Boot] [PATCH V3] cmd_i2c: Provide option for bulk 'i2c write' in one transaction

2015-02-06 Thread Lubomir Popov
Hi Heiko, Hello Simon, Lubomir, Am 03.02.2015 01:59, schrieb Simon Glass: Hi, On 30 January 2015 at 10:56, Lubomir Popov lpo...@mm-sol.com wrote: I2C chips do exist that require a write of some multi-byte data to occur in a single bus transaction (aka atomic transfer), otherwise either

Re: [U-Boot] [PATCH V3] cmd_i2c: Provide option for bulk 'i2c write' in one transaction

2015-02-05 Thread Heiko Schocher
Hello Simon, Lubomir, Am 03.02.2015 01:59, schrieb Simon Glass: Hi, On 30 January 2015 at 10:56, Lubomir Popov lpo...@mm-sol.com wrote: I2C chips do exist that require a write of some multi-byte data to occur in a single bus transaction (aka atomic transfer), otherwise either the write does

Re: [U-Boot] [PATCH V3] cmd_i2c: Provide option for bulk 'i2c write' in one transaction

2015-02-05 Thread Heiko Schocher
Hello Simon, Lubomir, Am 03.02.2015 01:59, schrieb Simon Glass: Hi, On 30 January 2015 at 10:56, Lubomir Popov lpo...@mm-sol.com wrote: I2C chips do exist that require a write of some multi-byte data to occur in a single bus transaction (aka atomic transfer), otherwise either the write does

Re: [U-Boot] [PATCH V3] cmd_i2c: Provide option for bulk 'i2c write' in one transaction

2015-02-03 Thread Lubomir Popov
Hi Simon, Hi, On 30 January 2015 at 10:56, Lubomir Popov lpo...@mm-sol.com wrote: I2C chips do exist that require a write of some multi-byte data to occur in a single bus transaction (aka atomic transfer), otherwise either the write does not come into effect at all, or normal operation of

Re: [U-Boot] [PATCH V3] cmd_i2c: Provide option for bulk 'i2c write' in one transaction

2015-02-03 Thread Masahiro Yamada
Hi Simon, On Tue, 3 Feb 2015 10:10:02 +0200 Lubomir Popov lpo...@mm-sol.com wrote: Hi Simon, Hi, On 30 January 2015 at 10:56, Lubomir Popov lpo...@mm-sol.com wrote: I2C chips do exist that require a write of some multi-byte data to occur in a single bus transaction (aka atomic

Re: [U-Boot] [PATCH V3] cmd_i2c: Provide option for bulk 'i2c write' in one transaction

2015-02-03 Thread Simon Glass
Hi Masahiro, On 3 February 2015 at 01:35, Masahiro Yamada yamad...@jp.panasonic.com wrote: Hi Simon, On Tue, 3 Feb 2015 10:10:02 +0200 Lubomir Popov lpo...@mm-sol.com wrote: Hi Simon, Hi, On 30 January 2015 at 10:56, Lubomir Popov lpo...@mm-sol.com wrote: I2C chips do exist that

Re: [U-Boot] [PATCH V3] cmd_i2c: Provide option for bulk 'i2c write' in one transaction

2015-02-02 Thread Simon Glass
Hi, On 30 January 2015 at 10:56, Lubomir Popov lpo...@mm-sol.com wrote: I2C chips do exist that require a write of some multi-byte data to occur in a single bus transaction (aka atomic transfer), otherwise either the write does not come into effect at all, or normal operation of internal

[U-Boot] [PATCH V3] cmd_i2c: Provide option for bulk 'i2c write' in one transaction

2015-01-30 Thread Lubomir Popov
I2C chips do exist that require a write of some multi-byte data to occur in a single bus transaction (aka atomic transfer), otherwise either the write does not come into effect at all, or normal operation of internal circuitry cannot be guaranteed. The current implementation of the 'i2c write'