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authorLinus Torvalds <torvalds@linux-foundation.org>2016-01-15 13:18:47 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2016-01-15 13:18:47 -0800
commitf689b742f217b2ffe7925f8a6521b208ee995309 (patch)
tree40ed4482ce5808fd5498fe935205b06782bbbca4 /arch/powerpc/platforms/cell
parent37cea93b99d2d89bef3adcb4632d71e1f377c447 (diff)
parentbe6bfc29bc759670fb3a2519325c4ab2edf259c9 (diff)
Merge tag 'powerpc-4.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc updates from Michael Ellerman: "Core: - Ground work for the new Power9 MMU from Aneesh Kumar K.V - Optimise FP/VMX/VSX context switching from Anton Blanchard Misc: - Various cleanups from Krzysztof Kozlowski, John Ogness, Rashmica Gupta, Russell Currey, Gavin Shan, Daniel Axtens, Michael Neuling, Andrew Donnellan - Allow wrapper to work on non-english system from Laurent Vivier - Add rN aliases to the pt_regs_offset table from Rashmica Gupta - Fix module autoload for rackmeter & axonram drivers from Luis de Bethencourt - Include KVM guest test in all interrupt vectors from Paul Mackerras - Fix DSCR inheritance over fork() from Anton Blanchard - Make value-returning atomics & {cmp}xchg* & their atomic_ versions fully ordered from Boqun Feng - Print MSR TM bits in oops messages from Michael Neuling - Add TM signal return & invalid stack selftests from Michael Neuling - Limit EPOW reset event warnings from Vipin K Parashar - Remove the Cell QPACE code from Rashmica Gupta - Append linux_banner to exception information in xmon from Rashmica Gupta - Add selftest to check if VSRs are corrupted from Rashmica Gupta - Remove broken GregorianDay() from Daniel Axtens - Import Anton's context_switch2 benchmark into selftests from Michael Ellerman - Add selftest script to test HMI functionality from Daniel Axtens - Remove obsolete OPAL v2 support from Stewart Smith - Make enter_rtas() private from Michael Ellerman - PPR exception cleanups from Michael Ellerman - Add page soft dirty tracking from Laurent Dufour - Add support for Nvlink NPUs from Alistair Popple - Add support for kexec on 476fpe from Alistair Popple - Enable kernel CPU dlpar from sysfs from Nathan Fontenot - Copy only required pieces of the mm_context_t to the paca from Michael Neuling - Add a kmsg_dumper that flushes OPAL console output on panic from Russell Currey - Implement save_stack_trace_regs() to enable kprobe stack tracing from Steven Rostedt - Add HWCAP bits for Power9 from Michael Ellerman - Fix _PAGE_PTE breaking swapoff from Aneesh Kumar K.V - Fix _PAGE_SWP_SOFT_DIRTY breaking swapoff from Hugh Dickins - scripts/recordmcount.pl: support data in text section on powerpc from Ulrich Weigand - Handle R_PPC64_ENTRY relocations in modules from Ulrich Weigand cxl: - cxl: Fix possible idr warning when contexts are released from Vaibhav Jain - cxl: use correct operator when writing pcie config space values from Andrew Donnellan - cxl: Fix DSI misses when the context owning task exits from Vaibhav Jain - cxl: fix build for GCC 4.6.x from Brian Norris - cxl: use -Werror only with CONFIG_PPC_WERROR from Brian Norris - cxl: Enable PCI device ID for future IBM CXL adapter from Uma Krishnan Freescale: - Freescale updates from Scott: Highlights include moving QE code out of arch/powerpc (to be shared with arm), device tree updates, and minor fixes" * tag 'powerpc-4.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (149 commits) powerpc/module: Handle R_PPC64_ENTRY relocations scripts/recordmcount.pl: support data in text section on powerpc powerpc/powernv: Fix OPAL_CONSOLE_FLUSH prototype and usages powerpc/mm: fix _PAGE_SWP_SOFT_DIRTY breaking swapoff powerpc/mm: Fix _PAGE_PTE breaking swapoff cxl: Enable PCI device ID for future IBM CXL adapter cxl: use -Werror only with CONFIG_PPC_WERROR cxl: fix build for GCC 4.6.x powerpc: Add HWCAP bits for Power9 powerpc/powernv: Reserve PE#0 on NPU powerpc/powernv: Change NPU PE# assignment powerpc/powernv: Fix update of NVLink DMA mask powerpc/powernv: Remove misleading comment in pci.c powerpc: Implement save_stack_trace_regs() to enable kprobe stack tracing powerpc: Fix build break due to paca mm_context_t changes cxl: Fix DSI misses when the context owning task exits MAINTAINERS: Update Scott Wood's e-mail address powerpc/powernv: Fix minor off-by-one error in opal_mce_check_early_recovery() powerpc: Fix style of self-test config prompts powerpc/powernv: Only delay opal_rtc_read() retry when necessary ...
Diffstat (limited to 'arch/powerpc/platforms/cell')
-rw-r--r--arch/powerpc/platforms/cell/Kconfig5
-rw-r--r--arch/powerpc/platforms/cell/Makefile4
-rw-r--r--arch/powerpc/platforms/cell/qpace_setup.c148
-rw-r--r--arch/powerpc/platforms/cell/spufs/run.c2
4 files changed, 1 insertions, 158 deletions
diff --git a/arch/powerpc/platforms/cell/Kconfig b/arch/powerpc/platforms/cell/Kconfig
index 429fc59d2a47..d9088f0b8fcc 100644
--- a/arch/powerpc/platforms/cell/Kconfig
+++ b/arch/powerpc/platforms/cell/Kconfig
@@ -33,11 +33,6 @@ config PPC_IBM_CELL_BLADE
select PPC_UDBG_16550
select UDBG_RTAS_CONSOLE
-config PPC_CELL_QPACE
- bool "IBM Cell - QPACE"
- depends on PPC64 && PPC_BOOK3S && CPU_BIG_ENDIAN
- select PPC_CELL_COMMON
-
config AXON_MSI
bool
depends on PPC_IBM_CELL_BLADE && PCI_MSI
diff --git a/arch/powerpc/platforms/cell/Makefile b/arch/powerpc/platforms/cell/Makefile
index 34699bddfddd..00464305763d 100644
--- a/arch/powerpc/platforms/cell/Makefile
+++ b/arch/powerpc/platforms/cell/Makefile
@@ -11,7 +11,6 @@ obj-$(CONFIG_PPC_IBM_CELL_POWERBUTTON) += cbe_powerbutton.o
ifeq ($(CONFIG_SMP),y)
obj-$(CONFIG_PPC_CELL_NATIVE) += smp.o
-obj-$(CONFIG_PPC_CELL_QPACE) += smp.o
endif
# needed only when building loadable spufs.ko
@@ -26,6 +25,3 @@ obj-$(CONFIG_SPU_BASE) += spu_callbacks.o spu_base.o \
spufs/
obj-$(CONFIG_AXON_MSI) += axon_msi.o
-
-# qpace setup
-obj-$(CONFIG_PPC_CELL_QPACE) += qpace_setup.o
diff --git a/arch/powerpc/platforms/cell/qpace_setup.c b/arch/powerpc/platforms/cell/qpace_setup.c
deleted file mode 100644
index d328140dc6f5..000000000000
--- a/arch/powerpc/platforms/cell/qpace_setup.c
+++ /dev/null
@@ -1,148 +0,0 @@
-/*
- * linux/arch/powerpc/platforms/cell/qpace_setup.c
- *
- * Copyright (C) 1995 Linus Torvalds
- * Adapted from 'alpha' version by Gary Thomas
- * Modified by Cort Dougan (cort@cs.nmt.edu)
- * Modified by PPC64 Team, IBM Corp
- * Modified by Cell Team, IBM Deutschland Entwicklung GmbH
- * Modified by Benjamin Krill <ben@codiert.org>, IBM Corp.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
-
-#include <linux/sched.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/export.h>
-#include <linux/delay.h>
-#include <linux/irq.h>
-#include <linux/console.h>
-#include <linux/of_platform.h>
-
-#include <asm/mmu.h>
-#include <asm/processor.h>
-#include <asm/io.h>
-#include <asm/kexec.h>
-#include <asm/pgtable.h>
-#include <asm/prom.h>
-#include <asm/rtas.h>
-#include <asm/dma.h>
-#include <asm/machdep.h>
-#include <asm/time.h>
-#include <asm/cputable.h>
-#include <asm/irq.h>
-#include <asm/spu.h>
-#include <asm/spu_priv1.h>
-#include <asm/udbg.h>
-#include <asm/cell-regs.h>
-
-#include "interrupt.h"
-#include "pervasive.h"
-#include "ras.h"
-
-static void qpace_show_cpuinfo(struct seq_file *m)
-{
- struct device_node *root;
- const char *model = "";
-
- root = of_find_node_by_path("/");
- if (root)
- model = of_get_property(root, "model", NULL);
- seq_printf(m, "machine\t\t: CHRP %s\n", model);
- of_node_put(root);
-}
-
-static void qpace_progress(char *s, unsigned short hex)
-{
- printk("*** %04x : %s\n", hex, s ? s : "");
-}
-
-static const struct of_device_id qpace_bus_ids[] __initconst = {
- { .type = "soc", },
- { .compatible = "soc", },
- { .type = "spider", },
- { .type = "axon", },
- { .type = "plb5", },
- { .type = "plb4", },
- { .type = "opb", },
- { .type = "ebc", },
- {},
-};
-
-static int __init qpace_publish_devices(void)
-{
- int node;
-
- /* Publish OF platform devices for southbridge IOs */
- of_platform_bus_probe(NULL, qpace_bus_ids, NULL);
-
- /* There is no device for the MIC memory controller, thus we create
- * a platform device for it to attach the EDAC driver to.
- */
- for_each_online_node(node) {
- if (cbe_get_cpu_mic_tm_regs(cbe_node_to_cpu(node)) == NULL)
- continue;
- platform_device_register_simple("cbe-mic", node, NULL, 0);
- }
-
- return 0;
-}
-machine_subsys_initcall(qpace, qpace_publish_devices);
-
-static void __init qpace_setup_arch(void)
-{
-#ifdef CONFIG_SPU_BASE
- spu_priv1_ops = &spu_priv1_mmio_ops;
- spu_management_ops = &spu_management_of_ops;
-#endif
-
- cbe_regs_init();
-
-#ifdef CONFIG_CBE_RAS
- cbe_ras_init();
-#endif
-
-#ifdef CONFIG_SMP
- smp_init_cell();
-#endif
-
- /* init to some ~sane value until calibrate_delay() runs */
- loops_per_jiffy = 50000000;
-
- cbe_pervasive_init();
-#ifdef CONFIG_DUMMY_CONSOLE
- conswitchp = &dummy_con;
-#endif
-}
-
-static int __init qpace_probe(void)
-{
- unsigned long root = of_get_flat_dt_root();
-
- if (!of_flat_dt_is_compatible(root, "IBM,QPACE"))
- return 0;
-
- hpte_init_native();
- pm_power_off = rtas_power_off;
-
- return 1;
-}
-
-define_machine(qpace) {
- .name = "QPACE",
- .probe = qpace_probe,
- .setup_arch = qpace_setup_arch,
- .show_cpuinfo = qpace_show_cpuinfo,
- .restart = rtas_restart,
- .halt = rtas_halt,
- .get_boot_time = rtas_get_boot_time,
- .get_rtc_time = rtas_get_rtc_time,
- .set_rtc_time = rtas_set_rtc_time,
- .calibrate_decr = generic_calibrate_decr,
- .progress = qpace_progress,
- .init_IRQ = iic_init_IRQ,
-};
diff --git a/arch/powerpc/platforms/cell/spufs/run.c b/arch/powerpc/platforms/cell/spufs/run.c
index 4ddf769a64e5..9f79004e6d6f 100644
--- a/arch/powerpc/platforms/cell/spufs/run.c
+++ b/arch/powerpc/platforms/cell/spufs/run.c
@@ -326,7 +326,7 @@ static int spu_process_callback(struct spu_context *ctx)
spu_ret = -ENOSYS;
npc += 4;
- if (s.nr_ret < __NR_syscalls) {
+ if (s.nr_ret < NR_syscalls) {
spu_release(ctx);
/* do actual system call from here */
spu_ret = spu_sys_callback(&s);