Re: [PATCH v2 2/5] em28xx: respect the message size constraints for i2c transfers

2013-01-03 Thread Frank Schäfer
Am 02.01.2013 23:21, schrieb Sascha Sommer: Hello Frank, Am Wed, 02 Jan 2013 22:25:10 +0100 schrieb Frank Schäfer fschaefer@googlemail.com: Hi Sascha, Am 02.01.2013 21:45, schrieb Sascha Sommer: Hello, Am Sat, 22 Dec 2012 22:07:46 -0200 schrieb Mauro Carvalho Chehab

Re: [PATCH v2 2/5] em28xx: respect the message size constraints for i2c transfers

2013-01-02 Thread Antti Palosaari
On 12/24/2012 01:09 PM, Frank Schäfer wrote: Am 23.12.2012 15:46, schrieb Mauro Carvalho Chehab: Em Sun, 23 Dec 2012 14:58:12 +0100 Frank Schäfer fschaefer@googlemail.com escreveu: Am 23.12.2012 01:07, schrieb Mauro Carvalho Chehab: Em Sun, 16 Dec 2012 19:23:28 +0100 Frank Schäfer

Re: [PATCH v2 2/5] em28xx: respect the message size constraints for i2c transfers

2013-01-02 Thread Sascha Sommer
Hello, Am Sat, 22 Dec 2012 22:07:46 -0200 schrieb Mauro Carvalho Chehab mche...@redhat.com: Em Sun, 16 Dec 2012 19:23:28 +0100 Frank Schäfer fschaefer@googlemail.com escreveu: The em2800 can transfer up to 4 bytes per i2c message. All other em25xx/em27xx/28xx chips can transfer at

Re: [PATCH v2 2/5] em28xx: respect the message size constraints for i2c transfers

2013-01-02 Thread Frank Schäfer
Hi Antti, Am 02.01.2013 20:29, schrieb Antti Palosaari: On 12/24/2012 01:09 PM, Frank Schäfer wrote: Am 23.12.2012 15:46, schrieb Mauro Carvalho Chehab: Em Sun, 23 Dec 2012 14:58:12 +0100 Frank Schäfer fschaefer@googlemail.com escreveu: Am 23.12.2012 01:07, schrieb Mauro Carvalho

Re: [PATCH v2 2/5] em28xx: respect the message size constraints for i2c transfers

2013-01-02 Thread Antti Palosaari
On 01/02/2013 11:12 PM, Frank Schäfer wrote: Hi Antti, Am 02.01.2013 20:29, schrieb Antti Palosaari: On 12/24/2012 01:09 PM, Frank Schäfer wrote: Am 23.12.2012 15:46, schrieb Mauro Carvalho Chehab: Em Sun, 23 Dec 2012 14:58:12 +0100 Frank Schäfer fschaefer@googlemail.com escreveu: Am

Re: [PATCH v2 2/5] em28xx: respect the message size constraints for i2c transfers

2013-01-02 Thread Frank Schäfer
Hi Sascha, Am 02.01.2013 21:45, schrieb Sascha Sommer: Hello, Am Sat, 22 Dec 2012 22:07:46 -0200 schrieb Mauro Carvalho Chehab mche...@redhat.com: Em Sun, 16 Dec 2012 19:23:28 +0100 Frank Schäfer fschaefer@googlemail.com escreveu: The em2800 can transfer up to 4 bytes per i2c

Re: [PATCH v2 2/5] em28xx: respect the message size constraints for i2c transfers

2013-01-02 Thread Frank Schäfer
Am 02.01.2013 22:15, schrieb Antti Palosaari: On 01/02/2013 11:12 PM, Frank Schäfer wrote: Hi Antti, Am 02.01.2013 20:29, schrieb Antti Palosaari: On 12/24/2012 01:09 PM, Frank Schäfer wrote: Am 23.12.2012 15:46, schrieb Mauro Carvalho Chehab: Em Sun, 23 Dec 2012 14:58:12 +0100 Frank

Re: [PATCH v2 2/5] em28xx: respect the message size constraints for i2c transfers

2013-01-02 Thread Antti Palosaari
On 01/02/2013 11:29 PM, Frank Schäfer wrote: Am 02.01.2013 22:15, schrieb Antti Palosaari: On 01/02/2013 11:12 PM, Frank Schäfer wrote: Hi Antti, Am 02.01.2013 20:29, schrieb Antti Palosaari: On 12/24/2012 01:09 PM, Frank Schäfer wrote: Am 23.12.2012 15:46, schrieb Mauro Carvalho Chehab:

Re: [PATCH v2 2/5] em28xx: respect the message size constraints for i2c transfers

2013-01-02 Thread Frank Schäfer
Am 02.01.2013 22:40, schrieb Antti Palosaari: On 01/02/2013 11:29 PM, Frank Schäfer wrote: Am 02.01.2013 22:15, schrieb Antti Palosaari: On 01/02/2013 11:12 PM, Frank Schäfer wrote: Hi Antti, Am 02.01.2013 20:29, schrieb Antti Palosaari: On 12/24/2012 01:09 PM, Frank Schäfer wrote: Am

Re: [PATCH v2 2/5] em28xx: respect the message size constraints for i2c transfers

2013-01-02 Thread Sascha Sommer
Hello Frank, Am Wed, 02 Jan 2013 22:25:10 +0100 schrieb Frank Schäfer fschaefer@googlemail.com: Hi Sascha, Am 02.01.2013 21:45, schrieb Sascha Sommer: Hello, Am Sat, 22 Dec 2012 22:07:46 -0200 schrieb Mauro Carvalho Chehab mche...@redhat.com: Em Sun, 16 Dec 2012 19:23:28

Re: [PATCH v2 2/5] em28xx: respect the message size constraints for i2c transfers

2012-12-24 Thread Frank Schäfer
Am 23.12.2012 15:46, schrieb Mauro Carvalho Chehab: Em Sun, 23 Dec 2012 14:58:12 +0100 Frank Schäfer fschaefer@googlemail.com escreveu: Am 23.12.2012 01:07, schrieb Mauro Carvalho Chehab: Em Sun, 16 Dec 2012 19:23:28 +0100 Frank Schäfer fschaefer@googlemail.com escreveu: The em2800

Re: [PATCH v2 2/5] em28xx: respect the message size constraints for i2c transfers

2012-12-23 Thread Frank Schäfer
Am 23.12.2012 01:07, schrieb Mauro Carvalho Chehab: Em Sun, 16 Dec 2012 19:23:28 +0100 Frank Schäfer fschaefer@googlemail.com escreveu: The em2800 can transfer up to 4 bytes per i2c message. All other em25xx/em27xx/28xx chips can transfer at least 64 bytes per message. I2C adapters

Re: [PATCH v2 2/5] em28xx: respect the message size constraints for i2c transfers

2012-12-23 Thread Mauro Carvalho Chehab
Em Sun, 23 Dec 2012 14:58:12 +0100 Frank Schäfer fschaefer@googlemail.com escreveu: Am 23.12.2012 01:07, schrieb Mauro Carvalho Chehab: Em Sun, 16 Dec 2012 19:23:28 +0100 Frank Schäfer fschaefer@googlemail.com escreveu: The em2800 can transfer up to 4 bytes per i2c message. All

Re: [PATCH v2 2/5] em28xx: respect the message size constraints for i2c transfers

2012-12-22 Thread Mauro Carvalho Chehab
Em Sun, 16 Dec 2012 19:23:28 +0100 Frank Schäfer fschaefer@googlemail.com escreveu: The em2800 can transfer up to 4 bytes per i2c message. All other em25xx/em27xx/28xx chips can transfer at least 64 bytes per message. I2C adapters should never split messages transferred via the I2C

[PATCH v2 2/5] em28xx: respect the message size constraints for i2c transfers

2012-12-16 Thread Frank Schäfer
The em2800 can transfer up to 4 bytes per i2c message. All other em25xx/em27xx/28xx chips can transfer at least 64 bytes per message. I2C adapters should never split messages transferred via the I2C subsystem into multiple message transfers, because the result will almost always NOT be the same