On 05/16/2013 04:35 AM, Joseph Lo wrote: > On Thu, 2013-05-16 at 06:57 +0800, Stephen Warren wrote: >> On 05/15/2013 04:27 AM, Joseph Lo wrote: >>> diff --git a/arch/arm/mach-tegra/reset-handler.S b/arch/arm/mach-tegra/reset-handler.S >>> + cpu_to_csr_req r1, r0 >> >> Where is cpu_to_csr_req defined? grep can't find it in next-20130513, >> and I don't see it added in this series. > > The cpu_to_csr_reg macro was defined in "sleep.h". So it is. I fail at grep. > I was used to > translate the bit offset of CPU number in CSR register. The code here > was used for CPU0 on Tegra30 only before. ... >> This presumably changes behaviour on Tegra30; will this cause problems? Ah, OK. >>> + mov32 r2, TEGRA_FLOW_CTRL_BASE >>> + ldr r1, [r2, r1] >>> /* Clear event & intr flag */ >>> orr r1, r1, \ >>> #FLOW_CTRL_CSR_INTR_FLAG | FLOW_CTRL_CSR_EVENT_FLAG >>> - movw r0, #0x0FFD @ enable, cluster_switch, immed, & bitmaps >>> + movw r0, #0x3FFD @ enable, cluster_switch, immed, & bitmaps >> >> What does this change do; does the commend need updating to describe the >> new bits that are set? > > It clear the some extensions for CPU power control on Tegra114. OK; I was implying that perhaps the comment needs updating? -- 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
