On Wed, Feb 9, 2011 at 7:25 PM, Aaron Wu wrote:
> Hi Grant,
>
> Just come back from the long holiday. Thanks very much for the comment and
> hints. Following your idea here is some update of our plan:
>
> Yes the slave can not predict when the transaction is going to happen, and
> it takes time be
Following is the debug log from messages after enabling spi debug (starts at
point when i call spi_w8r8()) :
Jan 10 01:54:35 localhost klogd: [ 100.202663] []
__might_sleep+0xd9/0xe0
Jan 10 01:54:35 localhost klogd: [ 100.202699] []
wait_for_common+0x21/0xfd
Jan 10 01:54:35 localhost klogd: [
Hi All,
I have a SPI device problem on MRST CDK.
I use a GPIO as SS because my slave device expects the SS to be low between
byte transfers.
My probe function does a read as:
int read_val;
---
---
read_val = spi_w8r8(&spi_dev,0x20);
if ( read_val < 0 )
printk ( "spi_read err\n");
else
prin
