Re: [PATCH 3/3] hvc_dcc: Simplify assembly for v6 and v7 ARM

2011-01-04 Thread Tony Lindgren
* Nicolas Pitre n...@fluxnic.net [101220 13:44]: On Mon, 20 Dec 2010, Stephen Boyd wrote: The inline assembly differences for v6 vs. v7 in the hvc_dcc driver are purely optimizations. On a v7 processor, an mrc with the pc sets the condition codes to the 28-31 bits of the register being

Re: [PATCH 3/3] hvc_dcc: Simplify assembly for v6 and v7 ARM

2010-12-20 Thread Nicolas Pitre
On Mon, 20 Dec 2010, Stephen Boyd wrote: The inline assembly differences for v6 vs. v7 in the hvc_dcc driver are purely optimizations. On a v7 processor, an mrc with the pc sets the condition codes to the 28-31 bits of the register being read. It just so happens that the TX/RX full bits the