Merge branch 'for-6.1/logitech' into for-linus

- Add hanlding of all Bluetooth HID++ devices and fixes in hid++
  (Bastien Nocera)

15 files changed, 54 insertions, 227 deletions

diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index 02f0a6084f04..1c852bb530ec 100644
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -86,7 +86,6 @@ config SPARC64
 	select PERF_USE_VMALLOC
 	select ARCH_HAVE_NMI_SAFE_CMPXCHG
 	select HAVE_C_RECORDMCOUNT
-	select ARCH_HAS_VM_GET_PAGE_PROT
 	select HAVE_ARCH_AUDITSYSCALL
 	select ARCH_SUPPORTS_ATOMIC_RMW
 	select ARCH_SUPPORTS_DEBUG_PAGEALLOC
diff --git a/arch/sparc/include/asm/bitops_32.h b/arch/sparc/include/asm/bitops_32.h
index 889afa9f990f..3448c191b484 100644
--- a/arch/sparc/include/asm/bitops_32.h
+++ b/arch/sparc/include/asm/bitops_32.h
@@ -19,9 +19,9 @@
 #error only <linux/bitops.h> can be included directly
 #endif
 
-unsigned long ___set_bit(unsigned long *addr, unsigned long mask);
-unsigned long ___clear_bit(unsigned long *addr, unsigned long mask);
-unsigned long ___change_bit(unsigned long *addr, unsigned long mask);
+unsigned long sp32___set_bit(unsigned long *addr, unsigned long mask);
+unsigned long sp32___clear_bit(unsigned long *addr, unsigned long mask);
+unsigned long sp32___change_bit(unsigned long *addr, unsigned long mask);
 
 /*
  * Set bit 'nr' in 32-bit quantity at address 'addr' where bit '0'
@@ -36,7 +36,7 @@ static inline int test_and_set_bit(unsigned long nr, volatile unsigned long *add
 	ADDR = ((unsigned long *) addr) + (nr >> 5);
 	mask = 1 << (nr & 31);
 
-	return ___set_bit(ADDR, mask) != 0;
+	return sp32___set_bit(ADDR, mask) != 0;
 }
 
 static inline void set_bit(unsigned long nr, volatile unsigned long *addr)
@@ -46,7 +46,7 @@ static inline void set_bit(unsigned long nr, volatile unsigned long *addr)
 	ADDR = ((unsigned long *) addr) + (nr >> 5);
 	mask = 1 << (nr & 31);
 
-	(void) ___set_bit(ADDR, mask);
+	(void) sp32___set_bit(ADDR, mask);
 }
 
 static inline int test_and_clear_bit(unsigned long nr, volatile unsigned long *addr)
@@ -56,7 +56,7 @@ static inline int test_and_clear_bit(unsigned long nr, volatile unsigned long *a
 	ADDR = ((unsigned long *) addr) + (nr >> 5);
 	mask = 1 << (nr & 31);
 
-	return ___clear_bit(ADDR, mask) != 0;
+	return sp32___clear_bit(ADDR, mask) != 0;
 }
 
 static inline void clear_bit(unsigned long nr, volatile unsigned long *addr)
@@ -66,7 +66,7 @@ static inline void clear_bit(unsigned long nr, volatile unsigned long *addr)
 	ADDR = ((unsigned long *) addr) + (nr >> 5);
 	mask = 1 << (nr & 31);
 
-	(void) ___clear_bit(ADDR, mask);
+	(void) sp32___clear_bit(ADDR, mask);
 }
 
 static inline int test_and_change_bit(unsigned long nr, volatile unsigned long *addr)
@@ -76,7 +76,7 @@ static inline int test_and_change_bit(unsigned long nr, volatile unsigned long *
 	ADDR = ((unsigned long *) addr) + (nr >> 5);
 	mask = 1 << (nr & 31);
 
-	return ___change_bit(ADDR, mask) != 0;
+	return sp32___change_bit(ADDR, mask) != 0;
 }
 
 static inline void change_bit(unsigned long nr, volatile unsigned long *addr)
@@ -86,7 +86,7 @@ static inline void change_bit(unsigned long nr, volatile unsigned long *addr)
 	ADDR = ((unsigned long *) addr) + (nr >> 5);
 	mask = 1 << (nr & 31);
 
-	(void) ___change_bit(ADDR, mask);
+	(void) sp32___change_bit(ADDR, mask);
 }
 
 #include <asm-generic/bitops/non-atomic.h>
diff --git a/arch/sparc/include/asm/dma.h b/arch/sparc/include/asm/dma.h
index 462e7c794a09..08043f35b110 100644
--- a/arch/sparc/include/asm/dma.h
+++ b/arch/sparc/include/asm/dma.h
@@ -82,14 +82,6 @@
 #define DMA_BURST64      0x40
 #define DMA_BURSTBITS    0x7f
 
-/* From PCI */
-
-#ifdef CONFIG_PCI
-extern int isa_dma_bridge_buggy;
-#else
-#define isa_dma_bridge_buggy 	(0)
-#endif
-
 #ifdef CONFIG_SPARC32
 struct device;
 
diff --git a/arch/sparc/include/asm/pci.h b/arch/sparc/include/asm/pci.h
index 4deddf430e5d..1419aa84df71 100644
--- a/arch/sparc/include/asm/pci.h
+++ b/arch/sparc/include/asm/pci.h
@@ -37,16 +37,8 @@ static inline int pci_proc_domain(struct pci_bus *bus)
 #define HAVE_PCI_MMAP
 #define arch_can_pci_mmap_io()	1
 #define HAVE_ARCH_PCI_GET_UNMAPPED_AREA
+#define ARCH_GENERIC_PCI_MMAP_RESOURCE
 #define get_pci_unmapped_area get_fb_unmapped_area
 #endif /* CONFIG_SPARC64 */
 
-#if defined(CONFIG_SPARC64) || defined(CONFIG_LEON_PCI)
-static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
-{
-	return PCI_IRQ_NONE;
-}
-#else
-#include <asm-generic/pci.h>
-#endif
-
 #endif /* ___ASM_SPARC_PCI_H */
diff --git a/arch/sparc/include/asm/pgtable_32.h b/arch/sparc/include/asm/pgtable_32.h
index 4866625da314..8ff549004fac 100644
--- a/arch/sparc/include/asm/pgtable_32.h
+++ b/arch/sparc/include/asm/pgtable_32.h
@@ -64,25 +64,6 @@ void paging_init(void);
 
 extern unsigned long ptr_in_current_pgd;
 
-/*         xwr */
-#define __P000  PAGE_NONE
-#define __P001  PAGE_READONLY
-#define __P010  PAGE_COPY
-#define __P011  PAGE_COPY
-#define __P100  PAGE_READONLY
-#define __P101  PAGE_READONLY
-#define __P110  PAGE_COPY
-#define __P111  PAGE_COPY
-
-#define __S000	PAGE_NONE
-#define __S001	PAGE_READONLY
-#define __S010	PAGE_SHARED
-#define __S011	PAGE_SHARED
-#define __S100	PAGE_READONLY
-#define __S101	PAGE_READONLY
-#define __S110	PAGE_SHARED
-#define __S111	PAGE_SHARED
-
 /* First physical page can be anywhere, the following is needed so that
  * va-->pa and vice versa conversions work properly without performance
  * hit for all __pa()/__va() operations.
diff --git a/arch/sparc/include/asm/pgtable_64.h b/arch/sparc/include/asm/pgtable_64.h
index 4679e45c8348..a779418ceba9 100644
--- a/arch/sparc/include/asm/pgtable_64.h
+++ b/arch/sparc/include/asm/pgtable_64.h
@@ -187,25 +187,6 @@ bool kern_addr_valid(unsigned long addr);
 #define _PAGE_SZHUGE_4U	_PAGE_SZ4MB_4U
 #define _PAGE_SZHUGE_4V	_PAGE_SZ4MB_4V
 
-/* These are actually filled in at boot time by sun4{u,v}_pgprot_init() */
-#define __P000	__pgprot(0)
-#define __P001	__pgprot(0)
-#define __P010	__pgprot(0)
-#define __P011	__pgprot(0)
-#define __P100	__pgprot(0)
-#define __P101	__pgprot(0)
-#define __P110	__pgprot(0)
-#define __P111	__pgprot(0)
-
-#define __S000	__pgprot(0)
-#define __S001	__pgprot(0)
-#define __S010	__pgprot(0)
-#define __S011	__pgprot(0)
-#define __S100	__pgprot(0)
-#define __S101	__pgprot(0)
-#define __S110	__pgprot(0)
-#define __S111	__pgprot(0)
-
 #ifndef __ASSEMBLY__
 
 pte_t mk_pte_io(unsigned long, pgprot_t, int, unsigned long);
diff --git a/arch/sparc/kernel/irq_64.c b/arch/sparc/kernel/irq_64.c
index c8848bb681a1..41fa1be980a3 100644
--- a/arch/sparc/kernel/irq_64.c
+++ b/arch/sparc/kernel/irq_64.c
@@ -855,6 +855,7 @@ void __irq_entry handler_irq(int pil, struct pt_regs *regs)
 	set_irq_regs(old_regs);
 }
 
+#ifndef CONFIG_PREEMPT_RT
 void do_softirq_own_stack(void)
 {
 	void *orig_sp, *sp = softirq_stack[smp_processor_id()];
@@ -869,6 +870,7 @@ void do_softirq_own_stack(void)
 	__asm__ __volatile__("mov %0, %%sp"
 			     : : "r" (orig_sp));
 }
+#endif
 
 #ifdef CONFIG_HOTPLUG_CPU
 void fixup_irqs(void)
diff --git a/arch/sparc/kernel/pci.c b/arch/sparc/kernel/pci.c
index 31b0c1983286..cb1ef25116e9 100644
--- a/arch/sparc/kernel/pci.c
+++ b/arch/sparc/kernel/pci.c
@@ -751,156 +751,15 @@ int pcibios_enable_device(struct pci_dev *dev, int mask)
 }
 
 /* Platform support for /proc/bus/pci/X/Y mmap()s. */
-
-/* If the user uses a host-bridge as the PCI device, he may use
- * this to perform a raw mmap() of the I/O or MEM space behind
- * that controller.
- *
- * This can be useful for execution of x86 PCI bios initialization code
- * on a PCI card, like the xfree86 int10 stuff does.
- */
-static int __pci_mmap_make_offset_bus(struct pci_dev *pdev, struct vm_area_struct *vma,
-				      enum pci_mmap_state mmap_state)
+int pci_iobar_pfn(struct pci_dev *pdev, int bar, struct vm_area_struct *vma)
 {
 	struct pci_pbm_info *pbm = pdev->dev.archdata.host_controller;
-	unsigned long space_size, user_offset, user_size;
-
-	if (mmap_state == pci_mmap_io) {
-		space_size = resource_size(&pbm->io_space);
-	} else {
-		space_size = resource_size(&pbm->mem_space);
-	}
-
-	/* Make sure the request is in range. */
-	user_offset = vma->vm_pgoff << PAGE_SHIFT;
-	user_size = vma->vm_end - vma->vm_start;
-
-	if (user_offset >= space_size ||
-	    (user_offset + user_size) > space_size)
-		return -EINVAL;
-
-	if (mmap_state == pci_mmap_io) {
-		vma->vm_pgoff = (pbm->io_space.start +
-				 user_offset) >> PAGE_SHIFT;
-	} else {
-		vma->vm_pgoff = (pbm->mem_space.start +
-				 user_offset) >> PAGE_SHIFT;
-	}
-
-	return 0;
-}
-
-/* Adjust vm_pgoff of VMA such that it is the physical page offset
- * corresponding to the 32-bit pci bus offset for DEV requested by the user.
- *
- * Basically, the user finds the base address for his device which he wishes
- * to mmap.  They read the 32-bit value from the config space base register,
- * add whatever PAGE_SIZE multiple offset they wish, and feed this into the
- * offset parameter of mmap on /proc/bus/pci/XXX for that device.
- *
- * Returns negative error code on failure, zero on success.
- */
-static int __pci_mmap_make_offset(struct pci_dev *pdev,
-				  struct vm_area_struct *vma,
-				  enum pci_mmap_state mmap_state)
-{
-	unsigned long user_paddr, user_size;
-	int i, err;
-
-	/* First compute the physical address in vma->vm_pgoff,
-	 * making sure the user offset is within range in the
-	 * appropriate PCI space.
-	 */
-	err = __pci_mmap_make_offset_bus(pdev, vma, mmap_state);
-	if (err)
-		return err;
-
-	/* If this is a mapping on a host bridge, any address
-	 * is OK.
-	 */
-	if ((pdev->class >> 8) == PCI_CLASS_BRIDGE_HOST)
-		return err;
-
-	/* Otherwise make sure it's in the range for one of the
-	 * device's resources.
-	 */
-	user_paddr = vma->vm_pgoff << PAGE_SHIFT;
-	user_size = vma->vm_end - vma->vm_start;
+	resource_size_t ioaddr = pci_resource_start(pdev, bar);
 
-	for (i = 0; i <= PCI_ROM_RESOURCE; i++) {
-		struct resource *rp = &pdev->resource[i];
-		resource_size_t aligned_end;
-
-		/* Active? */
-		if (!rp->flags)
-			continue;
-
-		/* Same type? */
-		if (i == PCI_ROM_RESOURCE) {
-			if (mmap_state != pci_mmap_mem)
-				continue;
-		} else {
-			if ((mmap_state == pci_mmap_io &&
-			     (rp->flags & IORESOURCE_IO) == 0) ||
-			    (mmap_state == pci_mmap_mem &&
-			     (rp->flags & IORESOURCE_MEM) == 0))
-				continue;
-		}
-
-		/* Align the resource end to the next page address.
-		 * PAGE_SIZE intentionally added instead of (PAGE_SIZE - 1),
-		 * because actually we need the address of the next byte
-		 * after rp->end.
-		 */
-		aligned_end = (rp->end + PAGE_SIZE) & PAGE_MASK;
-
-		if ((rp->start <= user_paddr) &&
-		    (user_paddr + user_size) <= aligned_end)
-			break;
-	}
-
-	if (i > PCI_ROM_RESOURCE)
+	if (!pbm)
 		return -EINVAL;
 
-	return 0;
-}
-
-/* Set vm_page_prot of VMA, as appropriate for this architecture, for a pci
- * device mapping.
- */
-static void __pci_mmap_set_pgprot(struct pci_dev *dev, struct vm_area_struct *vma,
-					     enum pci_mmap_state mmap_state)
-{
-	/* Our io_remap_pfn_range takes care of this, do nothing.  */
-}
-
-/* Perform the actual remap of the pages for a PCI device mapping, as appropriate
- * for this architecture.  The region in the process to map is described by vm_start
- * and vm_end members of VMA, the base physical address is found in vm_pgoff.
- * The pci device structure is provided so that architectures may make mapping
- * decisions on a per-device or per-bus basis.
- *
- * Returns a negative error code on failure, zero on success.
- */
-int pci_mmap_page_range(struct pci_dev *dev, int bar,
-			struct vm_area_struct *vma,
-			enum pci_mmap_state mmap_state, int write_combine)
-{
-	int ret;
-
-	ret = __pci_mmap_make_offset(dev, vma, mmap_state);
-	if (ret < 0)
-		return ret;
-
-	__pci_mmap_set_pgprot(dev, vma, mmap_state);
-
-	vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
-	ret = io_remap_pfn_range(vma, vma->vm_start,
-				 vma->vm_pgoff,
-				 vma->vm_end - vma->vm_start,
-				 vma->vm_page_prot);
-	if (ret)
-		return ret;
+	vma->vm_pgoff += (ioaddr + pbm->io_space.start) >> PAGE_SHIFT;
 
 	return 0;
 }
diff --git a/arch/sparc/kernel/smp_32.c b/arch/sparc/kernel/smp_32.c
index 22b148e5a5f8..ad8094d955eb 100644
--- a/arch/sparc/kernel/smp_32.c
+++ b/arch/sparc/kernel/smp_32.c
@@ -174,11 +174,6 @@ void smp_call_function_interrupt(void)
 	irq_exit();
 }
 
-int setup_profiling_timer(unsigned int multiplier)
-{
-	return -EINVAL;
-}
-
 void __init smp_prepare_cpus(unsigned int max_cpus)
 {
 	int i, cpuid, extra;
diff --git a/arch/sparc/kernel/smp_64.c b/arch/sparc/kernel/smp_64.c
index a1f78e9ddaf3..a55295d1b924 100644
--- a/arch/sparc/kernel/smp_64.c
+++ b/arch/sparc/kernel/smp_64.c
@@ -1186,12 +1186,6 @@ void __irq_entry smp_penguin_jailcell(int irq, struct pt_regs *regs)
 	preempt_enable();
 }
 
-/* /proc/profile writes can call this, don't __init it please. */
-int setup_profiling_timer(unsigned int multiplier)
-{
-	return -EINVAL;
-}
-
 void __init smp_prepare_cpus(unsigned int max_cpus)
 {
 }
diff --git a/arch/sparc/lib/atomic32.c b/arch/sparc/lib/atomic32.c
index 8b81d0f00c97..cf80d1ae352b 100644
--- a/arch/sparc/lib/atomic32.c
+++ b/arch/sparc/lib/atomic32.c
@@ -120,7 +120,7 @@ void arch_atomic_set(atomic_t *v, int i)
 }
 EXPORT_SYMBOL(arch_atomic_set);
 
-unsigned long ___set_bit(unsigned long *addr, unsigned long mask)
+unsigned long sp32___set_bit(unsigned long *addr, unsigned long mask)
 {
 	unsigned long old, flags;
 
@@ -131,9 +131,9 @@ unsigned long ___set_bit(unsigned long *addr, unsigned long mask)
 
 	return old & mask;
 }
-EXPORT_SYMBOL(___set_bit);
+EXPORT_SYMBOL(sp32___set_bit);
 
-unsigned long ___clear_bit(unsigned long *addr, unsigned long mask)
+unsigned long sp32___clear_bit(unsigned long *addr, unsigned long mask)
 {
 	unsigned long old, flags;
 
@@ -144,9 +144,9 @@ unsigned long ___clear_bit(unsigned long *addr, unsigned long mask)
 
 	return old & mask;
 }
-EXPORT_SYMBOL(___clear_bit);
+EXPORT_SYMBOL(sp32___clear_bit);
 
-unsigned long ___change_bit(unsigned long *addr, unsigned long mask)
+unsigned long sp32___change_bit(unsigned long *addr, unsigned long mask)
 {
 	unsigned long old, flags;
 
@@ -157,7 +157,7 @@ unsigned long ___change_bit(unsigned long *addr, unsigned long mask)
 
 	return old & mask;
 }
-EXPORT_SYMBOL(___change_bit);
+EXPORT_SYMBOL(sp32___change_bit);
 
 unsigned long __cmpxchg_u32(volatile u32 *ptr, u32 old, u32 new)
 {
diff --git a/arch/sparc/mm/fault_32.c b/arch/sparc/mm/fault_32.c
index ad569d9bd124..91259f291c54 100644
--- a/arch/sparc/mm/fault_32.c
+++ b/arch/sparc/mm/fault_32.c
@@ -190,6 +190,10 @@ good_area:
 	if (fault_signal_pending(fault, regs))
 		return;
 
+	/* The fault is fully completed (including releasing mmap lock) */
+	if (fault & VM_FAULT_COMPLETED)
+		return;
+
 	if (unlikely(fault & VM_FAULT_ERROR)) {
 		if (fault & VM_FAULT_OOM)
 			goto out_of_memory;
diff --git a/arch/sparc/mm/fault_64.c b/arch/sparc/mm/fault_64.c
index 253e07043298..4acc12eafbf5 100644
--- a/arch/sparc/mm/fault_64.c
+++ b/arch/sparc/mm/fault_64.c
@@ -427,6 +427,10 @@ good_area:
 	if (fault_signal_pending(fault, regs))
 		goto exit_exception;
 
+	/* The fault is fully completed (including releasing mmap lock) */
+	if (fault & VM_FAULT_COMPLETED)
+		goto lock_released;
+
 	if (unlikely(fault & VM_FAULT_ERROR)) {
 		if (fault & VM_FAULT_OOM)
 			goto out_of_memory;
@@ -449,6 +453,7 @@ good_area:
 	}
 	mmap_read_unlock(mm);
 
+lock_released:
 	mm_rss = get_mm_rss(mm);
 #if defined(CONFIG_TRANSPARENT_HUGEPAGE)
 	mm_rss -= (mm->context.thp_pte_count * (HPAGE_SIZE / PAGE_SIZE));
diff --git a/arch/sparc/mm/init_32.c b/arch/sparc/mm/init_32.c
index 1e9f577f084d..d88e774c8eb4 100644
--- a/arch/sparc/mm/init_32.c
+++ b/arch/sparc/mm/init_32.c
@@ -302,3 +302,23 @@ void sparc_flush_page_to_ram(struct page *page)
 		__flush_page_to_ram(vaddr);
 }
 EXPORT_SYMBOL(sparc_flush_page_to_ram);
+
+static const pgprot_t protection_map[16] = {
+	[VM_NONE]					= PAGE_NONE,
+	[VM_READ]					= PAGE_READONLY,
+	[VM_WRITE]					= PAGE_COPY,
+	[VM_WRITE | VM_READ]				= PAGE_COPY,
+	[VM_EXEC]					= PAGE_READONLY,
+	[VM_EXEC | VM_READ]				= PAGE_READONLY,
+	[VM_EXEC | VM_WRITE]				= PAGE_COPY,
+	[VM_EXEC | VM_WRITE | VM_READ]			= PAGE_COPY,
+	[VM_SHARED]					= PAGE_NONE,
+	[VM_SHARED | VM_READ]				= PAGE_READONLY,
+	[VM_SHARED | VM_WRITE]				= PAGE_SHARED,
+	[VM_SHARED | VM_WRITE | VM_READ]		= PAGE_SHARED,
+	[VM_SHARED | VM_EXEC]				= PAGE_READONLY,
+	[VM_SHARED | VM_EXEC | VM_READ]			= PAGE_READONLY,
+	[VM_SHARED | VM_EXEC | VM_WRITE]		= PAGE_SHARED,
+	[VM_SHARED | VM_EXEC | VM_WRITE | VM_READ]	= PAGE_SHARED
+};
+DECLARE_VM_GET_PAGE_PROT
diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c
index f6174df2d5af..d6faee23c77d 100644
--- a/arch/sparc/mm/init_64.c
+++ b/arch/sparc/mm/init_64.c
@@ -2634,6 +2634,9 @@ void vmemmap_free(unsigned long start, unsigned long end,
 }
 #endif /* CONFIG_SPARSEMEM_VMEMMAP */
 
+/* These are actually filled in at boot time by sun4{u,v}_pgprot_init() */
+static pgprot_t protection_map[16] __ro_after_init;
+
 static void prot_init_common(unsigned long page_none,
 			     unsigned long page_shared,
 			     unsigned long page_copy,