[PATCH] spi: fsl-spi: Don't use cpm_command on CPM1

Mark Brown broonie at kernel.org
Sat Nov 22 05:12:53 AEDT 2014


On Thu, Nov 20, 2014 at 05:24:17PM +0100, Christophe Leroy wrote:
> On CPM1, when the SPI parameter RAM is relocated to somewhere else than the
> default location, in accordance with freescale documentation
> (refer micropatch SPI application note EB662), init RX/TX params command shall
> not be used because it doesn't take into account the new location, and
> overwrites data that is in original location of SPI param ram at addresses 
> SCC2 param base +  (u32*)0x88 (u16*)0x90 (u32*)0x98 (u16*)0xA0, hence breaking
> activity on SCC2 if SCC2 is used in a mode like QMC for instance.

Applied, thanks.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 473 bytes
Desc: Digital signature
URL: <http://lists.ozlabs.org/pipermail/linuxppc-dev/attachments/20141121/cfa9b405/attachment.sig>


More information about the Linuxppc-dev mailing list