Hi Michael, Ben,
On Fri, 17 Dec 2010 13:09:54 +0100, Michael Lawnick wrote:
Jean Delvare said the following:
Hi Ben,
On Thu, 16 Dec 2010 16:00:46 +, Ben Dooks wrote:
On Thu, Dec 16, 2010 at 03:06:38PM +0100, Jean Delvare wrote:
Add a spinlock to every user of i2c-algo-bit, which
Hi Jean,
Sorry for the late answer I was in christmas holidays.
Jean Delvare kh...@linux-fr.org schrieb am Samstag, 18. Dezember
2010 um
00:09 in Nachricht 20101218000924.546ad...@endymion.delvare:
Hi Michael,
On Fri, 17 Dec 2010 13:09:54 +0100, Michael Lawnick wrote:
Jean Delvare said the
Michael,
On Mon, 20 Dec 2010 08:24:07 +0100, Michael Lawnick wrote:
Jean Delvare said the following:
Hi Michael,
On Fri, 17 Dec 2010 13:09:54 +0100, Michael Lawnick wrote:
Sorry to disturb, but
MANTRA
Disabling interrupts may be done only for a few instructions./MANTRA
Even
Jean Delvare said the following:
Hi Michael,
On Fri, 17 Dec 2010 13:09:54 +0100, Michael Lawnick wrote:
Sorry to disturb, but
MANTRA
Disabling interrupts may be done only for a few instructions./MANTRA
Even 1 us is an eternity on modern systems.
Don't be sorry, this is exactly
Jean Delvare said the following:
Hi Ben,
On Thu, 16 Dec 2010 16:00:46 +, Ben Dooks wrote:
On Thu, Dec 16, 2010 at 03:06:38PM +0100, Jean Delvare wrote:
Add a spinlock to every user of i2c-algo-bit, which is taken before
raising SCL and released after lowering SCL. We don't really need
Hi Michael,
On Fri, 17 Dec 2010 13:09:54 +0100, Michael Lawnick wrote:
Jean Delvare said the following:
Hi Ben,
On Thu, 16 Dec 2010 16:00:46 +, Ben Dooks wrote:
On Thu, Dec 16, 2010 at 03:06:38PM +0100, Jean Delvare wrote:
Add a spinlock to every user of i2c-algo-bit, which is
Add a spinlock to every user of i2c-algo-bit, which is taken before
raising SCL and released after lowering SCL. We don't really need
the exclusion functionality, but we have to disable local interrupts.
This is needed to comply with SMBus requirements that SCL shouldn't
be high for longer than 50
On Thu, Dec 16, 2010 at 03:06:38PM +0100, Jean Delvare wrote:
Add a spinlock to every user of i2c-algo-bit, which is taken before
raising SCL and released after lowering SCL. We don't really need
the exclusion functionality, but we have to disable local interrupts.
This is needed to comply