diff options
29 files changed, 142 insertions, 194 deletions
diff --git a/Documentation/ABI/testing/sysfs-class-cxl b/Documentation/ABI/obsolete/sysfs-class-cxl index cfc48a87706b..8cba1b626985 100644 --- a/Documentation/ABI/testing/sysfs-class-cxl +++ b/Documentation/ABI/obsolete/sysfs-class-cxl @@ -1,3 +1,6 @@ +The cxl driver is no longer maintained, and will be removed from the kernel in +the near future. + Please note that attributes that are shared between devices are stored in the directory pointed to by the symlink device/. For example, the real path of the attribute /sys/class/cxl/afu0.0s/irqs_max is diff --git a/MAINTAINERS b/MAINTAINERS index 954c765ed3fd..6796137bf5d9 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -6226,8 +6226,8 @@ CXL (IBM Coherent Accelerator Processor Interface CAPI) DRIVER M: Frederic Barrat <fbarrat@linux.ibm.com> M: Andrew Donnellan <ajd@linux.ibm.com> L: linuxppc-dev@lists.ozlabs.org -S: Supported -F: Documentation/ABI/testing/sysfs-class-cxl +S: Obsolete +F: Documentation/ABI/obsolete/sysfs-class-cxl F: Documentation/arch/powerpc/cxl.rst F: arch/powerpc/platforms/powernv/pci-cxl.c F: drivers/misc/cxl/ diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index a0ce777f9706..db9f7b2d07bf 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -145,6 +145,7 @@ config PPC select ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE select ARCH_HAS_PHYS_TO_DMA select ARCH_HAS_PMEM_API + select ARCH_HAS_PREEMPT_LAZY select ARCH_HAS_PTE_DEVMAP if PPC_BOOK3S_64 select ARCH_HAS_PTE_SPECIAL select ARCH_HAS_SCALED_CPUTIME if VIRT_CPU_ACCOUNTING_NATIVE && PPC_BOOK3S_64 diff --git a/arch/powerpc/include/asm/hugetlb.h b/arch/powerpc/include/asm/hugetlb.h index 18a3028ac3b6..dad2e7980f24 100644 --- a/arch/powerpc/include/asm/hugetlb.h +++ b/arch/powerpc/include/asm/hugetlb.h @@ -15,6 +15,15 @@ extern bool hugetlb_disabled; +static inline bool hugepages_supported(void) +{ + if (hugetlb_disabled) + return false; + + return HPAGE_SHIFT != 0; +} +#define hugepages_supported hugepages_supported + void __init hugetlbpage_init_defaultsize(void); int slice_is_hugepage_only_range(struct mm_struct *mm, unsigned long addr, diff --git a/arch/powerpc/include/asm/thread_info.h b/arch/powerpc/include/asm/thread_info.h index 6ebca2996f18..2785c7462ebf 100644 --- a/arch/powerpc/include/asm/thread_info.h +++ b/arch/powerpc/include/asm/thread_info.h @@ -103,6 +103,7 @@ void arch_setup_new_exec(void); #define TIF_PATCH_PENDING 6 /* pending live patching update */ #define TIF_SYSCALL_AUDIT 7 /* syscall auditing active */ #define TIF_SINGLESTEP 8 /* singlestepping active */ +#define TIF_NEED_RESCHED_LAZY 9 /* Scheduler driven lazy preemption */ #define TIF_SECCOMP 10 /* secure computing */ #define TIF_RESTOREALL 11 /* Restore all regs (implies NOERROR) */ #define TIF_NOERROR 12 /* Force successful syscall return */ @@ -122,6 +123,7 @@ void arch_setup_new_exec(void); #define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE) #define _TIF_SIGPENDING (1<<TIF_SIGPENDING) #define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED) +#define _TIF_NEED_RESCHED_LAZY (1<<TIF_NEED_RESCHED_LAZY) #define _TIF_NOTIFY_SIGNAL (1<<TIF_NOTIFY_SIGNAL) #define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG) #define _TIF_32BIT (1<<TIF_32BIT) @@ -142,9 +144,10 @@ void arch_setup_new_exec(void); _TIF_SYSCALL_EMU) #define _TIF_USER_WORK_MASK (_TIF_SIGPENDING | _TIF_NEED_RESCHED | \ - _TIF_NOTIFY_RESUME | _TIF_UPROBE | \ - _TIF_RESTORE_TM | _TIF_PATCH_PENDING | \ - _TIF_NOTIFY_SIGNAL) + _TIF_NEED_RESCHED_LAZY | _TIF_NOTIFY_RESUME | \ + _TIF_UPROBE | _TIF_RESTORE_TM | \ + _TIF_PATCH_PENDING | _TIF_NOTIFY_SIGNAL) + #define _TIF_PERSYSCALL_MASK (_TIF_RESTOREALL|_TIF_NOERROR) /* Bits in local_flags */ diff --git a/arch/powerpc/include/asm/time.h b/arch/powerpc/include/asm/time.h index 221c8f8ff89b..9bdd8080299b 100644 --- a/arch/powerpc/include/asm/time.h +++ b/arch/powerpc/include/asm/time.h @@ -86,7 +86,7 @@ static inline unsigned long tb_ticks_since(unsigned long tstamp) #define mulhdu(x,y) \ ({unsigned long z; asm ("mulhdu %0,%1,%2" : "=r" (z) : "r" (x), "r" (y)); z;}) #else -extern u64 mulhdu(u64, u64); +#define mulhdu(x, y) mul_u64_u64_shr(x, y, 64) #endif extern void div128_by_32(u64 dividend_high, u64 dividend_low, diff --git a/arch/powerpc/kernel/interrupt.c b/arch/powerpc/kernel/interrupt.c index af62ec974b97..8f4acc55407b 100644 --- a/arch/powerpc/kernel/interrupt.c +++ b/arch/powerpc/kernel/interrupt.c @@ -185,7 +185,7 @@ again: ti_flags = read_thread_flags(); while (unlikely(ti_flags & (_TIF_USER_WORK_MASK & ~_TIF_RESTORE_TM))) { local_irq_enable(); - if (ti_flags & _TIF_NEED_RESCHED) { + if (ti_flags & (_TIF_NEED_RESCHED | _TIF_NEED_RESCHED_LAZY)) { schedule(); } else { /* @@ -396,7 +396,7 @@ notrace unsigned long interrupt_exit_kernel_prepare(struct pt_regs *regs) /* Returning to a kernel context with local irqs enabled. */ WARN_ON_ONCE(!(regs->msr & MSR_EE)); again: - if (IS_ENABLED(CONFIG_PREEMPT)) { + if (IS_ENABLED(CONFIG_PREEMPTION)) { /* Return to preemptible kernel context */ if (unlikely(read_thread_flags() & _TIF_NEED_RESCHED)) { if (preempt_count() == 0) diff --git a/arch/powerpc/kernel/iommu.c b/arch/powerpc/kernel/iommu.c index 76381e14e800..0ebae6e4c19d 100644 --- a/arch/powerpc/kernel/iommu.c +++ b/arch/powerpc/kernel/iommu.c @@ -687,7 +687,7 @@ void iommu_table_clear(struct iommu_table *tbl) void iommu_table_reserve_pages(struct iommu_table *tbl, unsigned long res_start, unsigned long res_end) { - int i; + unsigned long i; WARN_ON_ONCE(res_end < res_start); /* diff --git a/arch/powerpc/kernel/misc_32.S b/arch/powerpc/kernel/misc_32.S index 033cd00aa0fc..acb727f54e9d 100644 --- a/arch/powerpc/kernel/misc_32.S +++ b/arch/powerpc/kernel/misc_32.S @@ -28,32 +28,6 @@ .text /* - * This returns the high 64 bits of the product of two 64-bit numbers. - */ -_GLOBAL(mulhdu) - cmpwi r6,0 - cmpwi cr1,r3,0 - mr r10,r4 - mulhwu r4,r4,r5 - beq 1f - mulhwu r0,r10,r6 - mullw r7,r10,r5 - addc r7,r0,r7 - addze r4,r4 -1: beqlr cr1 /* all done if high part of A is 0 */ - mullw r9,r3,r5 - mulhwu r10,r3,r5 - beq 2f - mullw r0,r3,r6 - mulhwu r8,r3,r6 - addc r7,r0,r7 - adde r4,r4,r8 - addze r10,r10 -2: addc r4,r4,r9 - addze r3,r10 - blr - -/* * reloc_got2 runs through the .got2 section adding an offset * to each entry. */ diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index 7b739b9a91ab..ef91f71e07c4 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -1960,8 +1960,8 @@ void start_thread(struct pt_regs *regs, unsigned long start, unsigned long sp) * address of _start and the second entry is the TOC * value we need to use. */ - __get_user(entry, (unsigned long __user *)start); - __get_user(toc, (unsigned long __user *)start+1); + get_user(entry, (unsigned long __user *)start); + get_user(toc, (unsigned long __user *)start+1); /* Check whether the e_entry function descriptor entries * need to be relocated before we can use them. diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c index 8e776ba39497..57082fac4668 100644 --- a/arch/powerpc/kernel/prom_init.c +++ b/arch/powerpc/kernel/prom_init.c @@ -2792,7 +2792,6 @@ static void __init flatten_device_tree(void) dt_struct_start, dt_struct_end); } -#ifdef CONFIG_PPC_CHRP /* * Pegasos and BriQ lacks the "ranges" property in the isa node * Pegasos needs decimal IRQ 14/15, not hexadecimal @@ -2843,11 +2842,7 @@ static void __init fixup_device_tree_chrp(void) } } } -#else -#define fixup_device_tree_chrp() -#endif -#if defined(CONFIG_PPC64) && defined(CONFIG_PPC_PMAC) static void __init fixup_device_tree_pmac64(void) { phandle u3, i2c, mpic; @@ -2887,11 +2882,7 @@ static void __init fixup_device_tree_pmac64(void) prom_setprop(i2c, "/u3@0,f8000000/i2c@f8001000", "interrupt-parent", &parent, sizeof(parent)); } -#else -#define fixup_device_tree_pmac64() -#endif -#ifdef CONFIG_PPC_PMAC static void __init fixup_device_tree_pmac(void) { __be32 val = 1; @@ -2911,11 +2902,7 @@ static void __init fixup_device_tree_pmac(void) prom_setprop(node, NULL, "#size-cells", &val, sizeof(val)); } } -#else -static inline void fixup_device_tree_pmac(void) { } -#endif -#ifdef CONFIG_PPC_EFIKA /* * The MPC5200 FEC driver requires an phy-handle property to tell it how * to talk to the phy. If the phy-handle property is missing, then this @@ -3047,11 +3034,7 @@ static void __init fixup_device_tree_efika(void) /* Make sure ethernet phy-handle property exists */ fixup_device_tree_efika_add_phy(); } -#else -#define fixup_device_tree_efika() -#endif -#ifdef CONFIG_PPC_PASEMI_NEMO /* * CFE supplied on Nemo is broken in several ways, biggest * problem is that it reassigns ISA interrupts to unused mpic ints. @@ -3127,17 +3110,23 @@ static void __init fixup_device_tree_pasemi(void) prom_setprop(iob, name, "device_type", "isa", sizeof("isa")); } -#else /* !CONFIG_PPC_PASEMI_NEMO */ -static inline void fixup_device_tree_pasemi(void) { } -#endif static void __init fixup_device_tree(void) { - fixup_device_tree_chrp(); - fixup_device_tree_pmac(); - fixup_device_tree_pmac64(); - fixup_device_tree_efika(); - fixup_device_tree_pasemi(); + if (IS_ENABLED(CONFIG_PPC_CHRP)) + fixup_device_tree_chrp(); + + if (IS_ENABLED(CONFIG_PPC_PMAC)) + fixup_device_tree_pmac(); + + if (IS_ENABLED(CONFIG_PPC_PMAC) && IS_ENABLED(CONFIG_PPC64)) + fixup_device_tree_pmac64(); + + if (IS_ENABLED(CONFIG_PPC_EFIKA)) + fixup_device_tree_efika(); + + if (IS_ENABLED(CONFIG_PPC_PASEMI_NEMO)) + fixup_device_tree_pasemi(); } static void __init prom_find_boot_cpu(void) diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c index 6fa179448c33..f7d7a93f07fc 100644 --- a/arch/powerpc/kernel/setup-common.c +++ b/arch/powerpc/kernel/setup-common.c @@ -834,8 +834,8 @@ static int __init check_cache_coherency(void) if (devtree_coherency != KERNEL_COHERENCY) { printk(KERN_ERR "kernel coherency:%s != device tree_coherency:%s\n", - KERNEL_COHERENCY ? "on" : "off", - devtree_coherency ? "on" : "off"); + str_on_off(KERNEL_COHERENCY), + str_on_off(devtree_coherency)); BUG(); } diff --git a/arch/powerpc/kernel/vdso32_wrapper.S b/arch/powerpc/kernel/vdso32_wrapper.S index 10f92f265d51..20bca3548b44 100644 --- a/arch/powerpc/kernel/vdso32_wrapper.S +++ b/arch/powerpc/kernel/vdso32_wrapper.S @@ -2,7 +2,7 @@ #include <linux/linkage.h> #include <asm/page.h> - __PAGE_ALIGNED_DATA + .section ".data..ro_after_init", "aw" .globl vdso32_start, vdso32_end .balign PAGE_SIZE diff --git a/arch/powerpc/kernel/vdso64_wrapper.S b/arch/powerpc/kernel/vdso64_wrapper.S index 839d1a61411d..1912936fa227 100644 --- a/arch/powerpc/kernel/vdso64_wrapper.S +++ b/arch/powerpc/kernel/vdso64_wrapper.S @@ -2,7 +2,7 @@ #include <linux/linkage.h> #include <asm/page.h> - __PAGE_ALIGNED_DATA + .section ".data..ro_after_init", "aw" .globl vdso64_start, vdso64_end .balign PAGE_SIZE diff --git a/arch/powerpc/lib/vmx-helper.c b/arch/powerpc/lib/vmx-helper.c index d491da8d1838..58ed6bd613a6 100644 --- a/arch/powerpc/lib/vmx-helper.c +++ b/arch/powerpc/lib/vmx-helper.c @@ -45,7 +45,7 @@ int exit_vmx_usercopy(void) * set and we are preemptible. The hack here is to schedule a * decrementer to fire here and reschedule for us if necessary. */ - if (IS_ENABLED(CONFIG_PREEMPT) && need_resched()) + if (IS_ENABLED(CONFIG_PREEMPTION) && need_resched()) set_dec(1); return 0; } diff --git a/arch/powerpc/platforms/8xx/cpm1.c b/arch/powerpc/platforms/8xx/cpm1.c index b24d4102fbf6..1dc095ad48fc 100644 --- a/arch/powerpc/platforms/8xx/cpm1.c +++ b/arch/powerpc/platforms/8xx/cpm1.c @@ -45,7 +45,7 @@ #include <sysdev/fsl_soc.h> #ifdef CONFIG_8xx_GPIO -#include <linux/gpio/legacy-of-mm-gpiochip.h> +#include <linux/gpio/driver.h> #endif #define CPM_MAP_SIZE (0x4000) @@ -376,7 +376,8 @@ int __init cpm1_clk_setup(enum cpm_clk_target target, int clock, int mode) #ifdef CONFIG_8xx_GPIO struct cpm1_gpio16_chip { - struct of_mm_gpio_chip mm_gc; + struct gpio_chip gc; + void __iomem *regs; spinlock_t lock; /* shadowed data register to clear/set bits safely */ @@ -386,19 +387,17 @@ struct cpm1_gpio16_chip { int irq[16]; }; -static void cpm1_gpio16_save_regs(struct of_mm_gpio_chip *mm_gc) +static void cpm1_gpio16_save_regs(struct cpm1_gpio16_chip *cpm1_gc) { - struct cpm1_gpio16_chip *cpm1_gc = - container_of(mm_gc, struct cpm1_gpio16_chip, mm_gc); - struct cpm_ioport16 __iomem *iop = mm_gc->regs; + struct cpm_ioport16 __iomem *iop = cpm1_gc->regs; cpm1_gc->cpdata = in_be16(&iop->dat); } static int cpm1_gpio16_get(struct gpio_chip *gc, unsigned int gpio) { - struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); - struct cpm_ioport16 __iomem *iop = mm_gc->regs; + struct cpm1_gpio16_chip *cpm1_gc = gpiochip_get_data(gc); + struct cpm_ioport16 __iomem *iop = cpm1_gc->regs; u16 pin_mask; pin_mask = 1 << (15 - gpio); @@ -406,11 +405,9 @@ static int cpm1_gpio16_get(struct gpio_chip *gc, unsigned int gpio) return !!(in_be16(&iop->dat) & pin_mask); } -static void __cpm1_gpio16_set(struct of_mm_gpio_chip *mm_gc, u16 pin_mask, - int value) +static void __cpm1_gpio16_set(struct cpm1_gpio16_chip *cpm1_gc, u16 pin_mask, int value) { - struct cpm1_gpio16_chip *cpm1_gc = gpiochip_get_data(&mm_gc->gc); - struct cpm_ioport16 __iomem *iop = mm_gc->regs; + struct cpm_ioport16 __iomem *iop = cpm1_gc->regs; if (value) cpm1_gc->cpdata |= pin_mask; @@ -422,38 +419,35 @@ static void __cpm1_gpio16_set(struct of_mm_gpio_chip *mm_gc, u16 pin_mask, static void cpm1_gpio16_set(struct gpio_chip *gc, unsigned int gpio, int value) { - struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); - struct cpm1_gpio16_chip *cpm1_gc = gpiochip_get_data(&mm_gc->gc); + struct cpm1_gpio16_chip *cpm1_gc = gpiochip_get_data(gc); unsigned long flags; u16 pin_mask = 1 << (15 - gpio); spin_lock_irqsave(&cpm1_gc->lock, flags); - __cpm1_gpio16_set(mm_gc, pin_mask, value); + __cpm1_gpio16_set(cpm1_gc, pin_mask, value); spin_unlock_irqrestore(&cpm1_gc->lock, flags); } static int cpm1_gpio16_to_irq(struct gpio_chip *gc, unsigned int gpio) { - struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); - struct cpm1_gpio16_chip *cpm1_gc = gpiochip_get_data(&mm_gc->gc); + struct cpm1_gpio16_chip *cpm1_gc = gpiochip_get_data(gc); return cpm1_gc->irq[gpio] ? : -ENXIO; } static int cpm1_gpio16_dir_out(struct gpio_chip *gc, unsigned int gpio, int val) { - struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); - struct cpm1_gpio16_chip *cpm1_gc = gpiochip_get_data(&mm_gc->gc); - struct cpm_ioport16 __iomem *iop = mm_gc->regs; + struct cpm1_gpio16_chip *cpm1_gc = gpiochip_get_data(gc); + struct cpm_ioport16 __iomem *iop = cpm1_gc->regs; unsigned long flags; u16 pin_mask = 1 << (15 - gpio); spin_lock_irqsave(&cpm1_gc->lock, flags); setbits16(&iop->dir, pin_mask); - __cpm1_gpio16_set(mm_gc, pin_mask, val); + __cpm1_gpio16_set(cpm1_gc, pin_mask, val); spin_unlock_irqrestore(&cpm1_gc->lock, flags); @@ -462,9 +456,8 @@ static int cpm1_gpio16_dir_out(struct gpio_chip *gc, unsigned int gpio, int val) static int cpm1_gpio16_dir_in(struct gpio_chip *gc, unsigned int gpio) { - struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); - struct cpm1_gpio16_chip *cpm1_gc = gpiochip_get_data(&mm_gc->gc); - struct cpm_ioport16 __iomem *iop = mm_gc->regs; + struct cpm1_gpio16_chip *cpm1_gc = gpiochip_get_data(gc); + struct cpm_ioport16 __iomem *iop = cpm1_gc->regs; unsigned long flags; u16 pin_mask = 1 << (15 - gpio); @@ -481,11 +474,10 @@ int cpm1_gpiochip_add16(struct device *dev) { struct device_node *np = dev->of_node; struct cpm1_gpio16_chip *cpm1_gc; - struct of_mm_gpio_chip *mm_gc; struct gpio_chip *gc; u16 mask; - cpm1_gc = kzalloc(sizeof(*cpm1_gc), GFP_KERNEL); + cpm1_gc = devm_kzalloc(dev, sizeof(*cpm1_gc), GFP_KERNEL); if (!cpm1_gc) return -ENOMEM; @@ -499,10 +491,8 @@ int cpm1_gpiochip_add16(struct device *dev) cpm1_gc->irq[i] = irq_of_parse_and_map(np, j++); } - mm_gc = &cpm1_gc->mm_gc; - gc = &mm_gc->gc; - - mm_gc->save_regs = cpm1_gpio16_save_regs; + gc = &cpm1_gc->gc; + gc->base = -1; gc->ngpio = 16; gc->direction_input = cpm1_gpio16_dir_in; gc->direction_output = cpm1_gpio16_dir_out; @@ -512,30 +502,39 @@ int cpm1_gpiochip_add16(struct device *dev) gc->parent = dev; gc->owner = THIS_MODULE; - return of_mm_gpiochip_add_data(np, mm_gc, cpm1_gc); + gc->label = devm_kasprintf(dev, GFP_KERNEL, "%pOF", np); + if (!gc->label) + return -ENOMEM; + + cpm1_gc->regs = devm_of_iomap(dev, np, 0, NULL); + if (IS_ERR(cpm1_gc->regs)) + return PTR_ERR(cpm1_gc->regs); + + cpm1_gpio16_save_regs(cpm1_gc); + + return devm_gpiochip_add_data(dev, gc, cpm1_gc); } struct cpm1_gpio32_chip { - struct of_mm_gpio_chip mm_gc; + struct gpio_chip gc; + void __iomem *regs; spinlock_t lock; /* shadowed data register to clear/set bits safely */ u32 cpdata; }; -static void cpm1_gpio32_save_regs(struct of_mm_gpio_chip *mm_gc) +static void cpm1_gpio32_save_regs(struct cpm1_gpio32_chip *cpm1_gc) { - struct cpm1_gpio32_chip *cpm1_gc = - container_of(mm_gc, struct cpm1_gpio32_chip, mm_gc); - struct cpm_ioport32b __iomem *iop = mm_gc->regs; + struct cpm_ioport32b __iomem *iop = cpm1_gc->regs; cpm1_gc->cpdata = in_be32(&iop->dat); } static int cpm1_gpio32_get(struct gpio_chip *gc, unsigned int gpio) { - struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); - struct cpm_ioport32b __iomem *iop = mm_gc->regs; + struct cpm1_gpio32_chip *cpm1_gc = gpiochip_get_data(gc); + struct cpm_ioport32b __iomem *iop = cpm1_gc->regs; u32 pin_mask; pin_mask = 1 << (31 - gpio); @@ -543,11 +542,9 @@ static int cpm1_gpio32_get(struct gpio_chip *gc, unsigned int gpio) return !!(in_be32(&iop->dat) & pin_mask); } -static void __cpm1_gpio32_set(struct of_mm_gpio_chip *mm_gc, u32 pin_mask, - int value) +static void __cpm1_gpio32_set(struct cpm1_gpio32_chip *cpm1_gc, u32 pin_mask, int value) { - struct cpm1_gpio32_chip *cpm1_gc = gpiochip_get_data(&mm_gc->gc); - struct cpm_ioport32b __iomem *iop = mm_gc->regs; + struct cpm_ioport32b __iomem *iop = cpm1_gc->regs; if (value) cpm1_gc->cpdata |= pin_mask; @@ -559,30 +556,28 @@ static void __cpm1_gpio32_set(struct of_mm_gpio_chip *mm_gc, u32 pin_mask, static void cpm1_gpio32_set(struct gpio_chip *gc, unsigned int gpio, int value) { - struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); - struct cpm1_gpio32_chip *cpm1_gc = gpiochip_get_data(&mm_gc->gc); + struct cpm1_gpio32_chip *cpm1_gc = gpiochip_get_data(gc); unsigned long flags; u32 pin_mask = 1 << (31 - gpio); spin_lock_irqsave(&cpm1_gc->lock, flags); - __cpm1_gpio32_set(mm_gc, pin_mask, value); + __cpm1_gpio32_set(cpm1_gc, pin_mask, value); spin_unlock_irqrestore(&cpm1_gc->lock, flags); } static int cpm1_gpio32_dir_out(struct gpio_chip *gc, unsigned int gpio, int val) { - struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); - struct cpm1_gpio32_chip *cpm1_gc = gpiochip_get_data(&mm_gc->gc); - struct cpm_ioport32b __iomem *iop = mm_gc->regs; + struct cpm1_gpio32_chip *cpm1_gc = gpiochip_get_data(gc); + struct cpm_ioport32b __iomem *iop = cpm1_gc->regs; unsigned long flags; u32 pin_mask = 1 << (31 - gpio); spin_lock_irqsave(&cpm1_gc->lock, flags); setbits32(&iop->dir, pin_mask); - __cpm1_gpio32_set(mm_gc, pin_mask, val); + __cpm1_gpio32_set(cpm1_gc, pin_mask, val); spin_unlock_irqrestore(&cpm1_gc->lock, flags); @@ -591,9 +586,8 @@ static int cpm1_gpio32_dir_out(struct gpio_chip *gc, unsigned int gpio, int val) static int cpm1_gpio32_dir_in(struct gpio_chip *gc, unsigned int gpio) { - struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); - struct cpm1_gpio32_chip *cpm1_gc = gpiochip_get_data(&mm_gc->gc); - struct cpm_ioport32b __iomem *iop = mm_gc->regs; + struct cpm1_gpio32_chip *cpm1_gc = gpiochip_get_data(gc); + struct cpm_ioport32b __iomem *iop = cpm1_gc->regs; unsigned long flags; u32 pin_mask = 1 << (31 - gpio); @@ -610,19 +604,16 @@ int cpm1_gpiochip_add32(struct device *dev) { struct device_node *np = dev->of_node; struct cpm1_gpio32_chip *cpm1_gc; - struct of_mm_gpio_chip *mm_gc; struct gpio_chip *gc; - cpm1_gc = kzalloc(sizeof(*cpm1_gc), GFP_KERNEL); + cpm1_gc = devm_kzalloc(dev, sizeof(*cpm1_gc), GFP_KERNEL); if (!cpm1_gc) return -ENOMEM; spin_lock_init(&cpm1_gc->lock); - mm_gc = &cpm1_gc->mm_gc; - gc = &mm_gc->gc; - - mm_gc->save_regs = cpm1_gpio32_save_regs; + gc = &cpm1_gc->gc; + gc->base = -1; gc->ngpio = 32; gc->direction_input = cpm1_gpio32_dir_in; gc->direction_output = cpm1_gpio32_dir_out; @@ -631,7 +622,17 @@ int cpm1_gpiochip_add32(struct device *dev) gc->parent = dev; gc->owner = THIS_MODULE; - return of_mm_gpiochip_add_data(np, mm_gc, cpm1_gc); + gc->label = devm_kasprintf(dev, GFP_KERNEL, "%pOF", np); + if (!gc->label) + return -ENOMEM; + + cpm1_gc->regs = devm_of_iomap(dev, np, 0, NULL); + if (IS_ERR(cpm1_gc->regs)) + return PTR_ERR(cpm1_gc->regs); + + cpm1_gpio32_save_regs(cpm1_gc); + + return devm_gpiochip_add_data(dev, gc, cpm1_gc); } #endif /* CONFIG_8xx_GPIO */ diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c index 534cd159e9ab..29f1a0cc59cd 100644 --- a/arch/powerpc/platforms/pseries/iommu.c +++ b/arch/powerpc/platforms/pseries/iommu.c @@ -1650,7 +1650,8 @@ static bool enable_ddw(struct pci_dev *dev, struct device_node *pdn) iommu_table_setparms_common(newtbl, pci->phb->bus->number, create.liobn, dynamic_addr, dynamic_len, page_shift, NULL, &iommu_table_lpar_multi_ops); - iommu_init_table(newtbl, pci->phb->node, start, end); + iommu_init_table(newtbl, pci->phb->node, + start >> page_shift, end >> page_shift); pci->table_group->tables[default_win_removed ? 0 : 1] = newtbl; @@ -2065,7 +2066,9 @@ static long spapr_tce_create_table(struct iommu_table_group *table_group, int nu offset, 1UL << window_shift, IOMMU_PAGE_SHIFT_4K, NULL, &iommu_table_lpar_multi_ops); - iommu_init_table(tbl, pci->phb->node, start, end); + iommu_init_table(tbl, pci->phb->node, + start >> IOMMU_PAGE_SHIFT_4K, + end >> IOMMU_PAGE_SHIFT_4K); table_group->tables[0] = tbl; @@ -2136,7 +2139,7 @@ static long spapr_tce_create_table(struct iommu_table_group *table_group, int nu /* New table for using DDW instead of the default DMA window */ iommu_table_setparms_common(tbl, pci->phb->bus->number, create.liobn, win_addr, 1UL << len, page_shift, NULL, &iommu_table_lpar_multi_ops); - iommu_init_table(tbl, pci->phb->node, start, end); + iommu_init_table(tbl, pci->phb->node, start >> page_shift, end >> page_shift); pci->table_group->tables[num] = tbl; set_iommu_table_base(&pdev->dev, tbl); diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c index f4e841a36458..268859e4df87 100644 --- a/arch/powerpc/xmon/xmon.c +++ b/arch/powerpc/xmon/xmon.c @@ -2623,9 +2623,9 @@ static void dump_one_paca(int cpu) printf("paca for cpu 0x%x @ %px:\n", cpu, p); - printf(" %-*s = %s\n", 25, "possible", cpu_possible(cpu) ? "yes" : "no"); - printf(" %-*s = %s\n", 25, "present", cpu_present(cpu) ? "yes" : "no"); - printf(" %-*s = %s\n", 25, "online", cpu_online(cpu) ? "yes" : "no"); + printf(" %-*s = %s\n", 25, "possible", str_yes_no(cpu_possible(cpu))); + printf(" %-*s = %s\n", 25, "present", str_yes_no(cpu_present(cpu))); + printf(" %-*s = %s\n", 25, "online", str_yes_no(cpu_online(cpu))); #define DUMP(paca, name, format) \ printf(" %-*s = "format"\t(0x%lx)\n", 25, #name, 18, paca->name, \ diff --git a/drivers/macintosh/mac_hid.c b/drivers/macintosh/mac_hid.c index b461b1bed25b..369d72f59b3c 100644 --- a/drivers/macintosh/mac_hid.c +++ b/drivers/macintosh/mac_hid.c @@ -215,7 +215,7 @@ static int mac_hid_toggle_emumouse(const struct ctl_table *table, int write, } /* file(s) in /proc/sys/dev/mac_hid */ -static struct ctl_table mac_hid_files[] = { +static const struct ctl_table mac_hid_files[] = { { .procname = "mouse_button_emulation", .data = &mouse_emulate_buttons, diff --git a/drivers/misc/cxl/Kconfig b/drivers/misc/cxl/Kconfig index 5efc4151bf58..15307f5e4307 100644 --- a/drivers/misc/cxl/Kconfig +++ b/drivers/misc/cxl/Kconfig @@ -9,11 +9,13 @@ config CXL_BASE select PPC_64S_HASH_MMU config CXL - tristate "Support for IBM Coherent Accelerators (CXL)" + tristate "Support for IBM Coherent Accelerators (CXL) (DEPRECATED)" depends on PPC_POWERNV && PCI_MSI && EEH select CXL_BASE - default m help + The cxl driver is deprecated and will be removed in a future + kernel release. + Select this option to enable driver support for IBM Coherent Accelerators (CXL). CXL is otherwise known as Coherent Accelerator Processor Interface (CAPI). CAPI allows accelerators in FPGAs to be diff --git a/drivers/misc/cxl/of.c b/drivers/misc/cxl/of.c index cf6bd8a43056..e26ee85279fa 100644 --- a/drivers/misc/cxl/of.c +++ b/drivers/misc/cxl/of.c @@ -295,6 +295,8 @@ int cxl_of_probe(struct platform_device *pdev) int ret; int slice = 0, slice_ok = 0; + dev_err_once(&pdev->dev, "DEPRECATION: cxl is deprecated and will be removed in a future kernel release\n"); + pr_devel("in %s\n", __func__); np = pdev->dev.of_node; diff --git a/drivers/misc/cxl/pci.c b/drivers/misc/cxl/pci.c index 3d52f9b92d0d..92bf7c5c7b35 100644 --- a/drivers/misc/cxl/pci.c +++ b/drivers/misc/cxl/pci.c @@ -1726,6 +1726,8 @@ static int cxl_probe(struct pci_dev *dev, const struct pci_device_id *id) int slice; int rc; + dev_err_once(&dev->dev, "DEPRECATED: cxl is deprecated and will be removed in a future kernel release\n"); + if (cxl_pci_is_vphb_device(dev)) { dev_dbg(&dev->dev, "cxl_init_adapter: Ignoring cxl vphb device\n"); return -ENODEV; diff --git a/drivers/scsi/cxlflash/Kconfig b/drivers/scsi/cxlflash/Kconfig index 5533bdcb0458..c424d36e89a6 100644 --- a/drivers/scsi/cxlflash/Kconfig +++ b/drivers/scsi/cxlflash/Kconfig @@ -4,10 +4,12 @@ # config CXLFLASH - tristate "Support for IBM CAPI Flash" + tristate "Support for IBM CAPI Flash (DEPRECATED)" depends on PCI && SCSI && (CXL || OCXL) && EEH select IRQ_POLL - default m help + The cxlflash driver is deprecated and will be removed in a future + kernel release. + Allows CAPI Accelerated IO to Flash If unsure, say N. diff --git a/drivers/scsi/cxlflash/main.c b/drivers/scsi/cxlflash/main.c index 60d62b93d624..62806f5e32e6 100644 --- a/drivers/scsi/cxlflash/main.c +++ b/drivers/scsi/cxlflash/main.c @@ -3651,6 +3651,8 @@ static int cxlflash_probe(struct pci_dev *pdev, int rc = 0; int k; + dev_err_once(&pdev->dev, "DEPRECATION: cxlflash is deprecated and will be removed in a future kernel release\n"); + dev_dbg(&pdev->dev, "%s: Found CXLFLASH with IRQ: %d\n", __func__, pdev->irq); diff --git a/tools/testing/selftests/powerpc/benchmarks/gettimeofday.c b/tools/testing/selftests/powerpc/benchmarks/gettimeofday.c index 580fcac0a09f..b71ef8a493ed 100644 --- a/tools/testing/selftests/powerpc/benchmarks/gettimeofday.c +++ b/tools/testing/selftests/powerpc/benchmarks/gettimeofday.c @@ -20,7 +20,7 @@ static int test_gettimeofday(void) gettimeofday(&tv_end, NULL); } - timersub(&tv_start, &tv_end, &tv_diff); + timersub(&tv_end, &tv_start, &tv_diff); printf("time = %.6f\n", tv_diff.tv_sec + (tv_diff.tv_usec) * 1e-6); diff --git a/tools/testing/selftests/powerpc/include/pkeys.h b/tools/testing/selftests/powerpc/include/pkeys.h index 51729d9a7111..3a0129467de6 100644 --- a/tools/testing/selftests/powerpc/include/pkeys.h +++ b/tools/testing/selftests/powerpc/include/pkeys.h @@ -35,10 +35,18 @@ #define __NR_pkey_alloc 384 #define __NR_pkey_free 385 +#ifndef NT_PPC_PKEY +#define NT_PPC_PKEY 0x110 +#endif + #define PKEY_BITS_PER_PKEY 2 #define NR_PKEYS 32 #define PKEY_BITS_MASK ((1UL << PKEY_BITS_PER_PKEY) - 1) +#define AMR_BITS_PER_PKEY 2 +#define PKEY_REG_BITS (sizeof(u64) * 8) +#define pkeyshift(pkey) (PKEY_REG_BITS - ((pkey + 1) * AMR_BITS_PER_PKEY)) + inline unsigned long pkeyreg_get(void) { return mfspr(SPRN_AMR); diff --git a/tools/testing/selftests/powerpc/ptrace/core-pkey.c b/tools/testing/selftests/powerpc/ptrace/core-pkey.c index f6da4cb30cd6..f061434af452 100644 --- a/tools/testing/selftests/powerpc/ptrace/core-pkey.c +++ b/tools/testing/selftests/powerpc/ptrace/core-pkey.c @@ -16,26 +16,7 @@ #include <unistd.h> #include "ptrace.h" #include "child.h" - -#ifndef __NR_pkey_alloc -#define __NR_pkey_alloc 384 -#endif - -#ifndef __NR_pkey_free -#define __NR_pkey_free 385 -#endif - -#ifndef NT_PPC_PKEY -#define NT_PPC_PKEY 0x110 -#endif - -#ifndef PKEY_DISABLE_EXECUTE -#define PKEY_DISABLE_EXECUTE 0x4 -#endif - -#define AMR_BITS_PER_PKEY 2 -#define PKEY_REG_BITS (sizeof(u64) * 8) -#define pkeyshift(pkey) (PKEY_REG_BITS - ((pkey + 1) * AMR_BITS_PER_PKEY)) +#include "pkeys.h" #define CORE_FILE_LIMIT (5 * 1024 * 1024) /* 5 MB should be enough */ @@ -61,16 +42,6 @@ struct shared_info { time_t core_time; }; -static int sys_pkey_alloc(unsigned long flags, unsigned long init_access_rights) -{ - return syscall(__NR_pkey_alloc, flags, init_access_rights); -} - -static int sys_pkey_free(int pkey) -{ - return syscall(__NR_pkey_free, pkey); -} - static int increase_core_file_limit(void) { struct rlimit rlim; diff --git a/tools/testing/selftests/powerpc/ptrace/ptrace-pkey.c b/tools/testing/selftests/powerpc/ptrace/ptrace-pkey.c index d89474377f11..fc633014424f 100644 --- a/tools/testing/selftests/powerpc/ptrace/ptrace-pkey.c +++ b/tools/testing/selftests/powerpc/ptrace/ptrace-pkey.c @@ -7,26 +7,7 @@ */ #include "ptrace.h" #include "child.h" - -#ifndef __NR_pkey_alloc -#define __NR_pkey_alloc 384 -#endif - -#ifndef __NR_pkey_free -#define __NR_pkey_free 385 -#endif - -#ifndef NT_PPC_PKEY -#define NT_PPC_PKEY 0x110 -#endif - -#ifndef PKEY_DISABLE_EXECUTE -#define PKEY_DISABLE_EXECUTE 0x4 -#endif - -#define AMR_BITS_PER_PKEY 2 -#define PKEY_REG_BITS (sizeof(u64) * 8) -#define pkeyshift(pkey) (PKEY_REG_BITS - ((pkey + 1) * AMR_BITS_PER_PKEY)) +#include "pkeys.h" static const char user_read[] = "[User Read (Running)]"; static const char user_write[] = "[User Write (Running)]"; @@ -61,11 +42,6 @@ struct shared_info { unsigned long invalid_uamor; }; -static int sys_pkey_alloc(unsigned long flags, unsigned long init_access_rights) -{ - return syscall(__NR_pkey_alloc, flags, init_access_rights); -} - static int child(struct shared_info *info) { unsigned long reg; diff --git a/tools/testing/selftests/powerpc/vphn/test-vphn.c b/tools/testing/selftests/powerpc/vphn/test-vphn.c index 81d3069ffb84..f348f54914a9 100644 --- a/tools/testing/selftests/powerpc/vphn/test-vphn.c +++ b/tools/testing/selftests/powerpc/vphn/test-vphn.c @@ -275,7 +275,7 @@ static struct test { } }, { - /* Parse a 32-bit value split accross two consecutives 64-bit + /* Parse a 32-bit value split across two consecutives 64-bit * input values. */ "vphn: 16-bit value followed by 2 x 32-bit values", |