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-rw-r--r--arch/mips/cavium-octeon/dma-octeon.c15
-rw-r--r--arch/mips/configs/gpr_defconfig5
-rw-r--r--arch/mips/configs/mtx1_defconfig6
-rw-r--r--arch/mips/include/asm/hugetlb.h9
-rw-r--r--arch/mips/include/asm/timex.h25
-rw-r--r--arch/mips/include/uapi/asm/socket.h2
-rw-r--r--arch/mips/include/uapi/asm/stat.h20
-rw-r--r--arch/mips/kernel/crash_dump.c27
-rw-r--r--arch/mips/kernel/time.c11
-rw-r--r--arch/mips/loongson64/dma.c2
-rw-r--r--arch/mips/pci/pci-octeon.c2
-rw-r--r--arch/mips/sibyte/common/dma.c2
12 files changed, 42 insertions, 84 deletions
diff --git a/arch/mips/cavium-octeon/dma-octeon.c b/arch/mips/cavium-octeon/dma-octeon.c
index df70308db0e6..9fbba6a8fa4c 100644
--- a/arch/mips/cavium-octeon/dma-octeon.c
+++ b/arch/mips/cavium-octeon/dma-octeon.c
@@ -186,15 +186,12 @@ phys_addr_t dma_to_phys(struct device *dev, dma_addr_t daddr)
return daddr;
}
-char *octeon_swiotlb;
-
void __init plat_swiotlb_setup(void)
{
phys_addr_t start, end;
phys_addr_t max_addr;
phys_addr_t addr_size;
size_t swiotlbsize;
- unsigned long swiotlb_nslabs;
u64 i;
max_addr = 0;
@@ -236,15 +233,7 @@ void __init plat_swiotlb_setup(void)
if (OCTEON_IS_OCTEON2() && max_addr >= 0x100000000ul)
swiotlbsize = 64 * (1<<20);
#endif
- swiotlb_nslabs = swiotlbsize >> IO_TLB_SHIFT;
- swiotlb_nslabs = ALIGN(swiotlb_nslabs, IO_TLB_SEGSIZE);
- swiotlbsize = swiotlb_nslabs << IO_TLB_SHIFT;
-
- octeon_swiotlb = memblock_alloc_low(swiotlbsize, PAGE_SIZE);
- if (!octeon_swiotlb)
- panic("%s: Failed to allocate %zu bytes align=%lx\n",
- __func__, swiotlbsize, PAGE_SIZE);
- if (swiotlb_init_with_tbl(octeon_swiotlb, swiotlb_nslabs, 1) == -ENOMEM)
- panic("Cannot allocate SWIOTLB buffer");
+ swiotlb_adjust_size(swiotlbsize);
+ swiotlb_init(true, SWIOTLB_VERBOSE);
}
diff --git a/arch/mips/configs/gpr_defconfig b/arch/mips/configs/gpr_defconfig
index 5cb91509bb7c..d82f4ebf687f 100644
--- a/arch/mips/configs/gpr_defconfig
+++ b/arch/mips/configs/gpr_defconfig
@@ -178,12 +178,8 @@ CONFIG_NETCONSOLE=m
CONFIG_ATM_TCP=m
CONFIG_ATM_LANAI=m
CONFIG_ATM_ENI=m
-CONFIG_ATM_FIRESTREAM=m
-CONFIG_ATM_ZATM=m
CONFIG_ATM_NICSTAR=m
CONFIG_ATM_IDT77252=m
-CONFIG_ATM_AMBASSADOR=m
-CONFIG_ATM_HORIZON=m
CONFIG_ATM_IA=m
CONFIG_ATM_FORE200E=m
CONFIG_ATM_HE=m
@@ -214,7 +210,6 @@ CONFIG_ATH_DEBUG=y
CONFIG_ATH5K=y
CONFIG_ATH5K_DEBUG=y
CONFIG_WAN=y
-CONFIG_LANMEDIA=m
CONFIG_HDLC=m
CONFIG_HDLC_RAW=m
CONFIG_HDLC_RAW_ETH=m
diff --git a/arch/mips/configs/mtx1_defconfig b/arch/mips/configs/mtx1_defconfig
index 205d3b34528c..4194e79b435c 100644
--- a/arch/mips/configs/mtx1_defconfig
+++ b/arch/mips/configs/mtx1_defconfig
@@ -255,12 +255,8 @@ CONFIG_ARCNET_COM20020_CS=m
CONFIG_ATM_TCP=m
CONFIG_ATM_LANAI=m
CONFIG_ATM_ENI=m
-CONFIG_ATM_FIRESTREAM=m
-CONFIG_ATM_ZATM=m
CONFIG_ATM_NICSTAR=m
CONFIG_ATM_IDT77252=m
-CONFIG_ATM_AMBASSADOR=m
-CONFIG_ATM_HORIZON=m
CONFIG_ATM_IA=m
CONFIG_ATM_FORE200E=m
CONFIG_ATM_HE=m
@@ -281,7 +277,6 @@ CONFIG_CHELSIO_T1=m
CONFIG_NET_TULIP=y
CONFIG_DE2104X=m
CONFIG_TULIP=m
-CONFIG_DE4X5=m
CONFIG_WINBOND_840=m
CONFIG_DM9102=m
CONFIG_ULI526X=m
@@ -363,7 +358,6 @@ CONFIG_USB_AN2720=y
CONFIG_USB_EPSON2888=y
CONFIG_USB_SIERRA_NET=m
CONFIG_WAN=y
-CONFIG_LANMEDIA=m
CONFIG_HDLC=m
CONFIG_HDLC_RAW=m
CONFIG_HDLC_RAW_ETH=m
diff --git a/arch/mips/include/asm/hugetlb.h b/arch/mips/include/asm/hugetlb.h
index c2144409c0c4..fd69c8808554 100644
--- a/arch/mips/include/asm/hugetlb.h
+++ b/arch/mips/include/asm/hugetlb.h
@@ -43,16 +43,19 @@ static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm,
}
#define __HAVE_ARCH_HUGE_PTEP_CLEAR_FLUSH
-static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
- unsigned long addr, pte_t *ptep)
+static inline pte_t huge_ptep_clear_flush(struct vm_area_struct *vma,
+ unsigned long addr, pte_t *ptep)
{
+ pte_t pte;
+
/*
* clear the huge pte entry firstly, so that the other smp threads will
* not get old pte entry after finishing flush_tlb_page and before
* setting new huge pte entry
*/
- huge_ptep_get_and_clear(vma->vm_mm, addr, ptep);
+ pte = huge_ptep_get_and_clear(vma->vm_mm, addr, ptep);
flush_tlb_page(vma, addr);
+ return pte;
}
#define __HAVE_ARCH_HUGE_PTE_NONE
diff --git a/arch/mips/include/asm/timex.h b/arch/mips/include/asm/timex.h
index b05bb70a2e46..2e107886f97a 100644
--- a/arch/mips/include/asm/timex.h
+++ b/arch/mips/include/asm/timex.h
@@ -40,9 +40,9 @@
typedef unsigned int cycles_t;
/*
- * On R4000/R4400 before version 5.0 an erratum exists such that if the
- * cycle counter is read in the exact moment that it is matching the
- * compare register, no interrupt will be generated.
+ * On R4000/R4400 an erratum exists such that if the cycle counter is
+ * read in the exact moment that it is matching the compare register,
+ * no interrupt will be generated.
*
* There is a suggested workaround and also the erratum can't strike if
* the compare interrupt isn't being used as the clock source device.
@@ -63,7 +63,7 @@ static inline int can_use_mips_counter(unsigned int prid)
if (!__builtin_constant_p(cpu_has_counter))
asm volatile("" : "=m" (cpu_data[0].options));
if (likely(cpu_has_counter &&
- prid >= (PRID_IMP_R4000 | PRID_REV_ENCODE_44(5, 0))))
+ prid > (PRID_IMP_R4000 | PRID_REV_ENCODE_44(15, 15))))
return 1;
else
return 0;
@@ -76,25 +76,24 @@ static inline cycles_t get_cycles(void)
else
return 0; /* no usable counter */
}
+#define get_cycles get_cycles
/*
* Like get_cycles - but where c0_count is not available we desperately
* use c0_random in an attempt to get at least a little bit of entropy.
- *
- * R6000 and R6000A neither have a count register nor a random register.
- * That leaves no entropy source in the CPU itself.
*/
static inline unsigned long random_get_entropy(void)
{
- unsigned int prid = read_c0_prid();
- unsigned int imp = prid & PRID_IMP_MASK;
+ unsigned int c0_random;
- if (can_use_mips_counter(prid))
+ if (can_use_mips_counter(read_c0_prid()))
return read_c0_count();
- else if (likely(imp != PRID_IMP_R6000 && imp != PRID_IMP_R6000A))
- return read_c0_random();
+
+ if (cpu_has_3kex)
+ c0_random = (read_c0_random() >> 8) & 0x3f;
else
- return 0; /* no usable register */
+ c0_random = read_c0_random() & 0x3f;
+ return (random_get_entropy_fallback() << 6) | (0x3f - c0_random);
}
#define random_get_entropy random_get_entropy
diff --git a/arch/mips/include/uapi/asm/socket.h b/arch/mips/include/uapi/asm/socket.h
index 1d55e57b8466..18f3d95ecfec 100644
--- a/arch/mips/include/uapi/asm/socket.h
+++ b/arch/mips/include/uapi/asm/socket.h
@@ -146,6 +146,8 @@
#define SO_TXREHASH 74
+#define SO_RCVMARK 75
+
#if !defined(__KERNEL__)
#if __BITS_PER_LONG == 64
diff --git a/arch/mips/include/uapi/asm/stat.h b/arch/mips/include/uapi/asm/stat.h
index 3d2a3b71845c..8a8bb78883a4 100644
--- a/arch/mips/include/uapi/asm/stat.h
+++ b/arch/mips/include/uapi/asm/stat.h
@@ -19,11 +19,11 @@
struct stat {
unsigned st_dev;
long st_pad1[3]; /* Reserved for network id */
- ino_t st_ino;
- mode_t st_mode;
+ __kernel_ino_t st_ino;
+ __kernel_mode_t st_mode;
__u32 st_nlink;
- uid_t st_uid;
- gid_t st_gid;
+ __kernel_uid_t st_uid;
+ __kernel_gid_t st_gid;
unsigned st_rdev;
long st_pad2[2];
long st_size;
@@ -55,11 +55,11 @@ struct stat64 {
unsigned long long st_ino;
- mode_t st_mode;
+ __kernel_mode_t st_mode;
__u32 st_nlink;
- uid_t st_uid;
- gid_t st_gid;
+ __kernel_uid_t st_uid;
+ __kernel_gid_t st_gid;
unsigned long st_rdev;
unsigned long st_pad1[3]; /* Reserved for st_rdev expansion */
@@ -96,11 +96,11 @@ struct stat {
unsigned long st_ino;
- mode_t st_mode;
+ __kernel_mode_t st_mode;
__u32 st_nlink;
- uid_t st_uid;
- gid_t st_gid;
+ __kernel_uid_t st_uid;
+ __kernel_gid_t st_gid;
unsigned int st_rdev;
unsigned int st_pad1[3]; /* Reserved for st_rdev expansion */
diff --git a/arch/mips/kernel/crash_dump.c b/arch/mips/kernel/crash_dump.c
index 2e50f55185a6..6e50f4902409 100644
--- a/arch/mips/kernel/crash_dump.c
+++ b/arch/mips/kernel/crash_dump.c
@@ -1,22 +1,10 @@
// SPDX-License-Identifier: GPL-2.0
#include <linux/highmem.h>
#include <linux/crash_dump.h>
+#include <linux/uio.h>
-/**
- * copy_oldmem_page - copy one page from "oldmem"
- * @pfn: page frame number to be copied
- * @buf: target memory address for the copy; this can be in kernel address
- * space or user address space (see @userbuf)
- * @csize: number of bytes to copy
- * @offset: offset in bytes into the page (based on pfn) to begin the copy
- * @userbuf: if set, @buf is in user address space, use copy_to_user(),
- * otherwise @buf is in kernel address space, use memcpy().
- *
- * Copy a page from "oldmem". For this page, there is no pte mapped
- * in the current kernel.
- */
-ssize_t copy_oldmem_page(unsigned long pfn, char *buf,
- size_t csize, unsigned long offset, int userbuf)
+ssize_t copy_oldmem_page(struct iov_iter *iter, unsigned long pfn,
+ size_t csize, unsigned long offset)
{
void *vaddr;
@@ -24,14 +12,7 @@ ssize_t copy_oldmem_page(unsigned long pfn, char *buf,
return 0;
vaddr = kmap_local_pfn(pfn);
-
- if (!userbuf) {
- memcpy(buf, vaddr + offset, csize);
- } else {
- if (copy_to_user(buf, vaddr + offset, csize))
- csize = -EFAULT;
- }
-
+ csize = copy_to_iter(vaddr + offset, csize, iter);
kunmap_local(vaddr);
return csize;
diff --git a/arch/mips/kernel/time.c b/arch/mips/kernel/time.c
index caa01457dce6..ed339d7979f3 100644
--- a/arch/mips/kernel/time.c
+++ b/arch/mips/kernel/time.c
@@ -141,15 +141,10 @@ static __init int cpu_has_mfc0_count_bug(void)
case CPU_R4400MC:
/*
* The published errata for the R4400 up to 3.0 say the CPU
- * has the mfc0 from count bug.
+ * has the mfc0 from count bug. This seems the last version
+ * produced.
*/
- if ((current_cpu_data.processor_id & 0xff) <= 0x30)
- return 1;
-
- /*
- * we assume newer revisions are ok
- */
- return 0;
+ return 1;
}
return 0;
diff --git a/arch/mips/loongson64/dma.c b/arch/mips/loongson64/dma.c
index 364f2f27c872..8220a1bc0db6 100644
--- a/arch/mips/loongson64/dma.c
+++ b/arch/mips/loongson64/dma.c
@@ -24,5 +24,5 @@ phys_addr_t dma_to_phys(struct device *dev, dma_addr_t daddr)
void __init plat_swiotlb_setup(void)
{
- swiotlb_init(1);
+ swiotlb_init(true, SWIOTLB_VERBOSE);
}
diff --git a/arch/mips/pci/pci-octeon.c b/arch/mips/pci/pci-octeon.c
index fc29b85cfa92..e457a18cbdc5 100644
--- a/arch/mips/pci/pci-octeon.c
+++ b/arch/mips/pci/pci-octeon.c
@@ -664,7 +664,7 @@ static int __init octeon_pci_setup(void)
/* BAR1 movable regions contiguous to cover the swiotlb */
octeon_bar1_pci_phys =
- virt_to_phys(octeon_swiotlb) & ~((1ull << 22) - 1);
+ io_tlb_default_mem.start & ~((1ull << 22) - 1);
for (index = 0; index < 32; index++) {
union cvmx_pci_bar1_indexx bar1_index;
diff --git a/arch/mips/sibyte/common/dma.c b/arch/mips/sibyte/common/dma.c
index eb47a94f3583..c5c2c782aff6 100644
--- a/arch/mips/sibyte/common/dma.c
+++ b/arch/mips/sibyte/common/dma.c
@@ -10,5 +10,5 @@
void __init plat_swiotlb_setup(void)
{
- swiotlb_init(1);
+ swiotlb_init(true, SWIOTLB_VERBOSE);
}