diff options
Diffstat (limited to 'target/linux/ramips/patches-3.10/0205-MIPS-GIC-Send-IPIs-using-the-GIC.patch')
-rw-r--r-- | target/linux/ramips/patches-3.10/0205-MIPS-GIC-Send-IPIs-using-the-GIC.patch | 101 |
1 files changed, 0 insertions, 101 deletions
diff --git a/target/linux/ramips/patches-3.10/0205-MIPS-GIC-Send-IPIs-using-the-GIC.patch b/target/linux/ramips/patches-3.10/0205-MIPS-GIC-Send-IPIs-using-the-GIC.patch deleted file mode 100644 index 01ac8757e3..0000000000 --- a/target/linux/ramips/patches-3.10/0205-MIPS-GIC-Send-IPIs-using-the-GIC.patch +++ /dev/null @@ -1,101 +0,0 @@ -From 5a43b20db2fd18f8ea5f3a919d4bc9d9c2038c6c Mon Sep 17 00:00:00 2001 -From: "Steven J. Hill" <Steven.Hill@imgtec.com> -Date: Wed, 25 Sep 2013 14:58:19 -0500 -Subject: [PATCH 205/215] MIPS: GIC: Send IPIs using the GIC. - -If a GIC present, then use it to send IPIs between the cores. - -Signed-off-by: Steven J. Hill <Steven.Hill@imgtec.com> ---- - arch/mips/kernel/smp-mt.c | 32 ++++++++++++++++++++++++++++++++ - 1 file changed, 32 insertions(+) - ---- a/arch/mips/kernel/smp-mt.c -+++ b/arch/mips/kernel/smp-mt.c -@@ -71,6 +71,7 @@ static unsigned int __init smvp_vpe_init - - /* Record this as available CPU */ - set_cpu_possible(tc, true); -+ set_cpu_present(tc, true); - __cpu_number_map[tc] = ++ncpu; - __cpu_logical_map[ncpu] = tc; - } -@@ -112,12 +113,35 @@ static void __init smvp_tc_init(unsigned - write_tc_c0_tchalt(TCHALT_H); - } - -+static void mp_send_ipi_single(int cpu, unsigned int action) -+{ -+ unsigned long flags; -+ -+ local_irq_save(flags); -+ -+ switch (action) { -+ case SMP_CALL_FUNCTION: -+ gic_send_ipi(plat_ipi_call_int_xlate(cpu)); -+ break; -+ -+ case SMP_RESCHEDULE_YOURSELF: -+ gic_send_ipi(plat_ipi_resched_int_xlate(cpu)); -+ break; -+ } -+ -+ local_irq_restore(flags); -+} -+ - static void vsmp_send_ipi_single(int cpu, unsigned int action) - { - int i; - unsigned long flags; - int vpflags; - -+ if (gic_present) { -+ mp_send_ipi_single(cpu, action); -+ return; -+ } - local_irq_save(flags); - - vpflags = dvpe(); /* can't access the other CPU's registers whilst MVPE enabled */ -@@ -164,6 +188,8 @@ static void __cpuinit vsmp_init_secondar - - static void __cpuinit vsmp_smp_finish(void) - { -+ pr_debug("SMPMT: CPU%d: vsmp_smp_finish\n", smp_processor_id()); -+ - /* CDFIXME: remove this? */ - write_c0_compare(read_c0_count() + (8* mips_hpt_frequency/HZ)); - -@@ -178,6 +204,7 @@ static void __cpuinit vsmp_smp_finish(vo - - static void vsmp_cpus_done(void) - { -+ pr_debug("SMPMT: CPU%d: vsmp_cpus_done\n", smp_processor_id()); - } - - /* -@@ -191,6 +218,8 @@ static void vsmp_cpus_done(void) - static void __cpuinit vsmp_boot_secondary(int cpu, struct task_struct *idle) - { - struct thread_info *gp = task_thread_info(idle); -+ pr_debug("SMPMT: CPU%d: vsmp_boot_secondary cpu %d\n", -+ smp_processor_id(), cpu); - dvpe(); - set_c0_mvpcontrol(MVPCONTROL_VPC); - -@@ -232,6 +261,7 @@ static void __init vsmp_smp_setup(void) - unsigned int mvpconf0, ntc, tc, ncpu = 0; - unsigned int nvpe; - -+ pr_debug("SMPMT: CPU%d: vsmp_smp_setup\n", smp_processor_id()); - #ifdef CONFIG_MIPS_MT_FPAFF - /* If we have an FPU, enroll ourselves in the FPU-full mask */ - if (cpu_has_fpu) -@@ -272,6 +302,8 @@ static void __init vsmp_smp_setup(void) - - static void __init vsmp_prepare_cpus(unsigned int max_cpus) - { -+ pr_debug("SMPMT: CPU%d: vsmp_prepare_cpus %d\n", -+ smp_processor_id(), max_cpus); - mips_mt_set_cpuoptions(); - } - |