On 10/19/2012 04:41 PM, Stephen Warren wrote: > When using DEBUG_LL, the UART's (or other HW's) registers are mapped > into early page tables based on the results of assembly macro addruart. > Later, when the page tables are replaced, the same virtual address must > remain valid. Historically, this has been ensured by using defines from > <mach/iomap.h> in both the implementation of addruart, and the machine's > .map_io() function. However, with the move to single zImage, we wish to > remove <mach/iomap.h>. To enable this, the macro addruart may be used > when constructing the late page tables too; addruart is exposed as a > C function debug_ll_addr(), and used to set up the required mapping in > debug_ll_io_init(), which may called on an opt-in basis from a machine's > .map_io() function. Patch 1 has been taken into arm-soc, and I've applied patches 2-5 to the Tegra tree. -- To unsubscribe from this list: send the line "unsubscribe linux-tegra" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
