In i2c_imx_read():
...
result = i2c_imx_trx_complete(i2c_imx);
if (result)
return result;
..
If the current byte read complete, IIF status is set, and pend
up one GIC interrupt. In irq handler, wake up the wait queue in
.i2c_imx_trx_complete().
But, for imx6q platform with high
In i2c_imx_read():
...
result = i2c_imx_trx_complete(i2c_imx);
if (result)
return result;
..
If the current byte read complete, IIF status is set, and pend
up one GIC interrupt. In irq handler, wake up the wait queue in
.i2c_imx_trx_complete().
But, for imx6q platform with high
Hi,
The first argument to i2c_transfer is pointer to struct i2c_adapter,
which is very complex struct to fill !!
You should never fill it yourself. This is the job of the i2c-core.
If I know, for example, the exact bus number, is there some way I can
get the i2c_adapter pointer to that bus
True, but only the I2C OpRegion parts needs to have I2C=y. Does it make
sense to name ACPI_I2C to ACPI_I2C_OPREGION (or something like that)
and only enable it when I2C=y? Then we would have ACPI I2C enumeration
still in place.
Yes, this makes sense to me. I will rewrite the patch.
Hello,
On Thu, Aug 14, 2014 at 04:29:14PM +0800, Fugang Duan wrote:
In i2c_imx_read():
...
result = i2c_imx_trx_complete(i2c_imx);
if (result)
return result;
..
If the current byte read complete, IIF status is set, and pend
up one GIC interrupt. In irq handler, wake up the
From: Uwe Kleine-König u.kleine-koe...@pengutronix.de Sent: Thursday, August
14, 2014 5:42 PM
To: Duan Fugang-B38611
Cc: w...@the-dreams.de; linux-i2c@vger.kernel.org
Subject: Re: [PATCH] i2c: imx: double check IIF in case interrupt lost
Hello,
On Thu, Aug 14, 2014 at 04:29:14PM +0800, Fugang
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Hello,
On Thu, Aug 14, 2014 at 10:09:42AM +, fugang.d...@freescale.com wrote:
From: Uwe Kleine-König u.kleine-koe...@pengutronix.de Sent: Thursday,
August 14, 2014 5:42 PM
On Thu, Aug 14, 2014 at 04:29:14PM +0800, Fugang Duan wrote:
diff --git a/drivers/i2c/busses/i2c-imx.c
From: Uwe Kleine-König kleine-koe...@pengutronix.de Sent: Friday, August 15,
2014 3:27 AM
To: Duan Fugang-B38611
Cc: w...@the-dreams.de; linux-i2c@vger.kernel.org
Subject: Re: [PATCH] i2c: imx: double check IIF in case interrupt lost
Hello,
On Thu, Aug 14, 2014 at 10:09:42AM +,
Commit da3c6647(I2C/ACPI: Clean up I2C ACPI code and Add CONFIG_I2C_ACPI
config) adds a new kernel config I2C_ACPI and make I2C core built in
when the config is selected. This is wrong because distributions
etc generally compile I2C as a module and the commit broken that.
This patch is to rename
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