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Searched refs:page_size (Results 1 – 25 of 502) sorted by relevance

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/openbmc/linux/tools/testing/selftests/mm/
H A Dmremap_dontunmap.c19 unsigned long page_size; variable
46 void *source_mapping = mmap(NULL, num_pages * page_size, PROT_NONE, in kernel_support_for_mremap_dontunmap()
53 mremap(source_mapping, num_pages * page_size, num_pages * page_size, in kernel_support_for_mremap_dontunmap()
58 BUG_ON(munmap(dest_mapping, num_pages * page_size) == -1, in kernel_support_for_mremap_dontunmap()
62 BUG_ON(munmap(source_mapping, num_pages * page_size) == -1, in kernel_support_for_mremap_dontunmap()
71 BUG_ON(size & (page_size - 1), in check_region_contains_byte()
73 BUG_ON((unsigned long)addr & (page_size - 1), in check_region_contains_byte()
76 memset(page_buffer, byte, page_size); in check_region_contains_byte()
78 unsigned long num_pages = size / page_size; in check_region_contains_byte()
84 memcmp(addr + (i * page_size), page_buffer, page_size); in check_region_contains_byte()
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H A Dmlock2-tests.c194 unsigned long page_size = getpagesize(); in test_mlock_lock() local
196 map = mmap(NULL, 2 * page_size, PROT_READ | PROT_WRITE, in test_mlock_lock()
203 if (mlock2_(map, 2 * page_size, 0)) { in test_mlock_lock()
216 if (munlock(map, 2 * page_size)) { in test_mlock_lock()
224 munmap(map, 2 * page_size); in test_mlock_lock()
242 unsigned long page_size = getpagesize(); in unlock_onfault_check() local
245 is_vma_lock_on_fault((unsigned long)map + page_size)) { in unlock_onfault_check()
257 unsigned long page_size = getpagesize(); in test_mlock_onfault() local
259 map = mmap(NULL, 2 * page_size, PROT_READ | PROT_WRITE, in test_mlock_onfault()
266 if (mlock2_(map, 2 * page_size, MLOCK_ONFAULT)) { in test_mlock_onfault()
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H A Dmremap_test.c53 #define PTE page_size
155 static void mremap_expand_merge(FILE *maps_fp, unsigned long page_size) in mremap_expand_merge() argument
161 start = mmap(NULL, 3 * page_size, PROT_READ | PROT_WRITE, in mremap_expand_merge()
169 munmap(start + page_size, page_size); in mremap_expand_merge()
170 remap = mremap(start, page_size, 2 * page_size, 0); in mremap_expand_merge()
173 munmap(start, page_size); in mremap_expand_merge()
174 munmap(start + 2 * page_size, page_size); in mremap_expand_merge()
178 success = is_range_mapped(maps_fp, start, start + 3 * page_size); in mremap_expand_merge()
179 munmap(start, 3 * page_size); in mremap_expand_merge()
193 static void mremap_expand_merge_offset(FILE *maps_fp, unsigned long page_size) in mremap_expand_merge_offset() argument
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H A Dmap_fixed_noreplace.c46 unsigned long flags, addr, size, page_size; in main() local
49 page_size = sysconf(_SC_PAGE_SIZE); in main()
52 size = 5 * page_size; in main()
64 size = 5 * page_size; in main()
76 if (munmap((void *)addr, 5 * page_size) != 0) { in main()
84 addr = base_addr + page_size; in main()
85 size = 3 * page_size; in main()
105 size = 5 * page_size; in main()
125 addr = base_addr + (2 * page_size); in main()
126 size = page_size; in main()
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H A Dksm_tests.c348 long page_count, int timeout, size_t page_size) in check_ksm_merge() argument
359 map_ptr = allocate_memory(NULL, prot, mapping, '*', page_size * page_count); in check_ksm_merge()
363 if (ksm_merge_pages(merge_type, map_ptr, page_size * page_count, start_time, timeout)) in check_ksm_merge()
369 munmap(map_ptr, page_size * page_count); in check_ksm_merge()
377 munmap(map_ptr, page_size * page_count); in check_ksm_merge()
381 static int check_ksm_unmerge(int merge_type, int mapping, int prot, int timeout, size_t page_size) in check_ksm_unmerge() argument
393 map_ptr = allocate_memory(NULL, prot, mapping, '*', page_size * page_count); in check_ksm_unmerge()
397 if (ksm_merge_pages(merge_type, map_ptr, page_size * page_count, start_time, timeout)) in check_ksm_unmerge()
402 memset(map_ptr + page_size, '+', 1); in check_ksm_unmerge()
411 munmap(map_ptr, page_size * page_count); in check_ksm_unmerge()
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H A Duffd-unit-tests.c190 page_size = default_huge_page_size(); in uffd_setup_environment()
192 page_size = psize(); in uffd_setup_environment()
194 nr_pages = UFFD_TEST_MEM_SIZE / page_size; in uffd_setup_environment()
318 if (test_pin && pin_pages(&args, area_dst, page_size)) in pagemap_test_fork()
356 if (uffd_register(uffd, area_dst, nr_pages * page_size, in uffd_wp_unpopulated_test()
363 wp_range(uffd, (uint64_t)area_dst, page_size, true); in uffd_wp_unpopulated_test()
368 wp_range(uffd, (uint64_t)area_dst, page_size, false); in uffd_wp_unpopulated_test()
373 wp_range(uffd, (uint64_t)area_dst, page_size, true); in uffd_wp_unpopulated_test()
374 if (madvise(area_dst, page_size, MADV_DONTNEED)) in uffd_wp_unpopulated_test()
384 if (madvise(area_dst, page_size, MADV_DONTNEED)) in uffd_wp_unpopulated_test()
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H A Dmemfd_secret.c37 static unsigned long page_size; variable
65 if (len % page_size != 0) in test_mlock_limit()
66 len = (len/page_size) * page_size; in test_mlock_limit()
184 mem = mmap(NULL, page_size, prot, mode, fd, 0); in test_remote_access()
190 ftruncate(fd, page_size); in test_remote_access()
191 memset(mem, PATTERN, page_size); in test_remote_access()
236 page_size = sysconf(_SC_PAGE_SIZE); in prepare()
237 if (!page_size) in prepare()
249 page_size, mlock_limit_cur, mlock_limit_max); in prepare()
251 if (page_size > mlock_limit_cur) in prepare()
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/openbmc/linux/tools/testing/selftests/mincore/
H A Dmincore_selftest.c33 int page_size; in TEST() local
37 page_size = sysconf(_SC_PAGESIZE); in TEST()
45 retval = mincore(NULL, page_size, vec); in TEST()
50 addr = mmap(NULL, page_size, PROT_READ | PROT_WRITE, in TEST()
58 retval = mincore(addr + 1, page_size, vec); in TEST()
70 retval = mincore(addr, page_size, NULL); in TEST()
73 munmap(addr, page_size); in TEST()
88 int page_size; in TEST() local
90 page_size = sysconf(_SC_PAGESIZE); in TEST()
94 addr = mmap(NULL, page_size, PROT_READ | PROT_WRITE, in TEST()
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/openbmc/u-boot/drivers/mtd/nand/raw/
H A Dfsl_ifc_spl.c17 static inline int is_blank(uchar *addr, int page_size) in is_blank() argument
21 for (i = 0; i < page_size; i++) { in is_blank()
35 unsigned int bufnum, int page_size) in check_read_ecc() argument
42 if (is_blank(buf, page_size)) in check_read_ecc()
67 static inline void nand_wait(uchar *buf, int bufnum, int page_size) in nand_wait() argument
72 int bufperpage = page_size / 512; in nand_wait()
92 if (check_read_ecc(buf, eccstat, i, page_size)) in nand_wait()
112 int page_size; in nand_spl_load_image() local
136 page_size = 8192; in nand_spl_load_image()
139 page_size = 4096; in nand_spl_load_image()
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H A Dsunxi_nand_spl.c86 int page_size; member
208 writel(val | NFC_CTL_RAM_METHOD | NFC_CTL_PAGE_SIZE(conf->page_size), in nand_apply_config()
211 writel(conf->page_size, SUNXI_NFC_BASE + NFC_SPARE_AREA); in nand_apply_config()
216 int page = offs / conf->page_size; in nand_load_page()
260 int page = offs / conf->page_size; in nand_read_page()
264 if (offs % conf->page_size || len % conf->ecc_size || in nand_read_page()
265 len > conf->page_size || len < 0) in nand_read_page()
275 int oob_off = conf->page_size + (i * oob_chunk_sz); in nand_read_page()
330 int nsectors = conf->page_size / conf->ecc_size; in nand_max_ecc_strength()
337 switch (conf->page_size) { in nand_max_ecc_strength()
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/openbmc/linux/tools/testing/selftests/bpf/prog_tests/
H A Dringbuf.c92 int page_size = getpagesize(); in ringbuf_subtest() local
99 skel->maps.ringbuf.max_entries = page_size; in ringbuf_subtest()
107 mmap_ptr = mmap(NULL, page_size, PROT_READ | PROT_WRITE, MAP_SHARED, rb_fd, 0); in ringbuf_subtest()
109 tmp_ptr = mremap(mmap_ptr, page_size, 2 * page_size, MREMAP_MAYMOVE); in ringbuf_subtest()
112 ASSERT_ERR(mprotect(mmap_ptr, page_size, PROT_EXEC), "exec_cons_pos_protect"); in ringbuf_subtest()
113 ASSERT_OK(munmap(mmap_ptr, page_size), "unmap_rw"); in ringbuf_subtest()
116 mmap_ptr = mmap(NULL, page_size, PROT_WRITE, MAP_SHARED, rb_fd, page_size); in ringbuf_subtest()
122 mmap_ptr = mmap(NULL, page_size, PROT_WRITE, MAP_SHARED, rb_fd, 2 * page_size); in ringbuf_subtest()
126 mmap_ptr = mmap(NULL, page_size, PROT_WRITE, MAP_SHARED, rb_fd, 3 * page_size); in ringbuf_subtest()
128 mmap_ptr = mmap(NULL, 2 * page_size, PROT_WRITE, MAP_SHARED, rb_fd, 2 * page_size); in ringbuf_subtest()
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H A Dmmap.c12 long page_size = sysconf(_SC_PAGE_SIZE); in roundup_page() local
13 return (sz + page_size - 1) / page_size * page_size; in roundup_page()
21 const long page_size = sysconf(_SC_PAGE_SIZE); in test_mmap() local
36 err = bpf_map__set_max_entries(skel->maps.rdonly_map, page_size); in test_mmap()
42 4 * (page_size / sizeof(u64))); in test_mmap()
55 tmp1 = mmap(NULL, page_size, PROT_READ | PROT_WRITE, MAP_SHARED, rdmap_fd, 0); in test_mmap()
57 munmap(tmp1, page_size); in test_mmap()
61 tmp1 = mmap(NULL, page_size, PROT_READ, MAP_SHARED, rdmap_fd, 0); in test_mmap()
200 tmp0 = mmap(NULL, 4 * page_size, PROT_READ, MAP_SHARED | MAP_ANONYMOUS, in test_mmap()
206 tmp1 = mmap(tmp0, 3 * page_size, PROT_READ, MAP_SHARED | MAP_FIXED, in test_mmap()
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/openbmc/linux/drivers/mtd/spi-nor/
H A Dxilinx.c33 .page_size = (_page_size), \
59 u32 page_size = nor->params->page_size; in s3an_nor_convert_addr() local
62 offset = addr % page_size; in s3an_nor_convert_addr()
63 page = addr / page_size; in s3an_nor_convert_addr()
64 page <<= (page_size > 512) ? 10 : 9; in s3an_nor_convert_addr()
119 u32 page_size; in xilinx_nor_setup() local
144 page_size = (nor->params->page_size == 264) ? 256 : 512; in xilinx_nor_setup()
145 nor->params->page_size = page_size; in xilinx_nor_setup()
146 nor->mtd.writebufsize = page_size; in xilinx_nor_setup()
147 nor->params->size = 8 * page_size * nor->info->n_sectors; in xilinx_nor_setup()
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/openbmc/linux/drivers/pci/endpoint/
H A Dpci-epc-mem.c26 unsigned int page_shift = ilog2(mem->window.page_size); in pci_epc_mem_get_order()
54 size_t page_size; in pci_epc_multi_mem_init() local
70 page_size = windows[i].page_size; in pci_epc_multi_mem_init()
71 if (page_size < PAGE_SIZE) in pci_epc_multi_mem_init()
72 page_size = PAGE_SIZE; in pci_epc_multi_mem_init()
73 page_shift = ilog2(page_size); in pci_epc_multi_mem_init()
94 mem->window.page_size = page_size; in pci_epc_multi_mem_init()
129 size_t size, size_t page_size) in pci_epc_mem_init() argument
135 mem_window.page_size = page_size; in pci_epc_mem_init()
192 align_size = ALIGN(size, mem->window.page_size); in pci_epc_mem_alloc_addr()
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/openbmc/qemu/migration/
H A Dmultifd-uadk.c44 uint32_t page_size, in multifd_uadk_init_sess() argument
49 uint32_t size = count * page_size; in multifd_uadk_init_sess()
59 size += page_size; in multifd_uadk_init_sess()
109 uint32_t page_size = multifd_ram_page_size(); in multifd_uadk_send_setup() local
112 wd = multifd_uadk_init_sess(page_count, page_size, true, errp); in multifd_uadk_send_setup()
152 uint32_t page_size = multifd_ram_page_size(); in multifd_uadk_send_prepare() local
169 .src_len = page_size, in multifd_uadk_send_prepare()
172 .dst_len = page_size * 2, in multifd_uadk_send_prepare()
182 if (creq.dst_len < page_size) { in multifd_uadk_send_prepare()
194 if (!uadk_data->handle || creq.dst_len >= page_size) { in multifd_uadk_send_prepare()
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/openbmc/linux/tools/testing/selftests/powerpc/primitives/
H A Dload_unaligned_zeropad.c38 static int page_size; variable
43 if (mprotect(mem_region + page_size, page_size, PROT_NONE)) { in protect_region()
53 if (mprotect(mem_region + page_size, page_size, PROT_READ|PROT_WRITE)) { in unprotect_region()
125 page_size = getpagesize(); in test_body()
126 mem_region = mmap(NULL, page_size * 2, PROT_READ|PROT_WRITE, in test_body()
131 for (i = 0; i < page_size; i++) in test_body()
134 memset(mem_region+page_size, 0, page_size); in test_body()
138 for (i = 0; i < page_size; i++) in test_body()
/openbmc/linux/drivers/accel/habanalabs/common/mmu/
H A Dmmu.c32 return hl_mem_area_inside_range(virt_addr, prop->dmmu.page_size, in hl_is_dram_va()
175 u32 page_size, u32 *real_page_size, bool is_dram_addr) in hl_mmu_get_real_page_size() argument
181 if ((page_size % mmu_prop->page_size) == 0) { in hl_mmu_get_real_page_size()
182 *real_page_size = mmu_prop->page_size; in hl_mmu_get_real_page_size()
187 page_size, mmu_prop->page_size >> 10); in hl_mmu_get_real_page_size()
192 static struct hl_mmu_properties *hl_mmu_get_prop(struct hl_device *hdev, u32 page_size, in hl_mmu_get_prop() argument
199 else if ((page_size % prop->pmmu_huge.page_size) == 0) in hl_mmu_get_prop()
226 int hl_mmu_unmap_page(struct hl_ctx *ctx, u64 virt_addr, u32 page_size, bool flush_pte) in hl_mmu_unmap_page() argument
240 mmu_prop = hl_mmu_get_prop(hdev, page_size, is_dram_addr); in hl_mmu_unmap_page()
245 rc = hdev->asic_funcs->mmu_get_real_page_size(hdev, mmu_prop, page_size, &real_page_size, in hl_mmu_unmap_page()
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/openbmc/linux/arch/powerpc/mm/
H A Dinit_64.c188 unsigned long page_size) in altmap_cross_boundary() argument
190 unsigned long nr_pfn = page_size / sizeof(struct page); in altmap_cross_boundary()
206 unsigned long page_size = 1 << mmu_psize_defs[mmu_vmemmap_psize].shift; in __vmemmap_populate() local
209 start = ALIGN_DOWN(start, page_size); in __vmemmap_populate()
213 for (; start < end; start += page_size) { in __vmemmap_populate()
223 if (vmemmap_populated(start, page_size)) in __vmemmap_populate()
231 if (altmap && !altmap_cross_boundary(altmap, start, page_size)) { in __vmemmap_populate()
232 p = vmemmap_alloc_block_buf(page_size, node, altmap); in __vmemmap_populate()
239 p = vmemmap_alloc_block_buf(page_size, node, NULL); in __vmemmap_populate()
252 int nr_pfns = page_size >> PAGE_SHIFT; in __vmemmap_populate()
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/openbmc/u-boot/tools/
H A Dsunxi-spl-image-builder.c24 int page_size; member
91 unsigned seedmod = info->eraseblock_size / info->page_size; in scramble()
126 memset(buffer, 0xff, info->page_size + info->oob_size); in write_page()
138 fwrite(buffer, info->page_size + info->oob_size, 1, dst); in write_page()
160 cnt = info->page_size + info->oob_size - offs; in write_page()
168 offs = info->page_size + (steps * (eccbytes + 4)); in write_page()
169 cnt = info->page_size + info->oob_size - offs; in write_page()
188 ecc_offs = info->page_size + 4 + (i * (eccbytes + 4)); in write_page()
228 fseek(dst, pos + info->page_size, SEEK_SET); in write_page()
233 fseek(dst, pos + info->page_size + info->oob_size, SEEK_SET); in write_page()
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/openbmc/u-boot/common/
H A Dimage-android.c30 return (ulong)hdr + hdr->page_size; in android_image_get_kernel_addr()
96 *os_data += hdr->page_size; in android_image_get_kernel()
116 end += hdr->page_size; in android_image_get_end()
117 end += ALIGN(hdr->kernel_size, hdr->page_size); in android_image_get_end()
118 end += ALIGN(hdr->ramdisk_size, hdr->page_size); in android_image_get_end()
119 end += ALIGN(hdr->second_size, hdr->page_size); in android_image_get_end()
141 *rd_data += hdr->page_size; in android_image_get_ramdisk()
142 *rd_data += ALIGN(hdr->kernel_size, hdr->page_size); in android_image_get_ramdisk()
157 *second_data += hdr->page_size; in android_image_get_second()
158 *second_data += ALIGN(hdr->kernel_size, hdr->page_size); in android_image_get_second()
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/openbmc/linux/drivers/misc/
H A Dvmw_balloon.c245 enum vmballoon_page_size_type page_size; member
574 unsigned int vmballoon_page_order(enum vmballoon_page_size_type page_size) in vmballoon_page_order() argument
576 return page_size == VMW_BALLOON_2M_PAGE ? VMW_BALLOON_2M_ORDER : 0; in vmballoon_page_order()
586 vmballoon_page_in_frames(enum vmballoon_page_size_type page_size) in vmballoon_page_in_frames() argument
588 return 1 << vmballoon_page_order(page_size); in vmballoon_page_in_frames()
598 enum vmballoon_page_size_type page_size) in vmballoon_mark_page_offline() argument
602 for (i = 0; i < vmballoon_page_in_frames(page_size); i++) in vmballoon_mark_page_offline()
613 enum vmballoon_page_size_type page_size) in vmballoon_mark_page_online() argument
617 for (i = 0; i < vmballoon_page_in_frames(page_size); i++) in vmballoon_mark_page_online()
677 if (ctl->page_size == VMW_BALLOON_2M_PAGE) in vmballoon_alloc_page_list()
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/openbmc/ipmitool/lib/
H A Dipmi_gendev.c66 uint16_t page_size; member
97 info->page_size = 8; in ipmi_gendev_get_eeprom_size()
103 info->page_size = 8; in ipmi_gendev_get_eeprom_size()
109 info->page_size = 8; in ipmi_gendev_get_eeprom_size()
115 info->page_size = 8; in ipmi_gendev_get_eeprom_size()
121 info->page_size = 256; in ipmi_gendev_get_eeprom_size()
127 info->page_size = 256; in ipmi_gendev_get_eeprom_size()
133 info->page_size = 8; in ipmi_gendev_get_eeprom_size()
139 info->page_size = 32; in ipmi_gendev_get_eeprom_size()
145 info->page_size = 64; in ipmi_gendev_get_eeprom_size()
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/openbmc/linux/tools/testing/selftests/kvm/lib/s390x/
H A Dprocessor.c17 TEST_ASSERT(vm->page_size == 4096, "Unsupported page size: 0x%x", in virt_arch_pgd_alloc()
18 vm->page_size); in virt_arch_pgd_alloc()
26 memset(addr_gpa2hva(vm, paddr), 0xff, PAGES_PER_REGION * vm->page_size); in virt_arch_pgd_alloc()
43 memset(addr_gpa2hva(vm, taddr), 0xff, PAGES_PER_REGION * vm->page_size); in virt_alloc_region()
55 TEST_ASSERT((gva % vm->page_size) == 0, in virt_arch_pg_map()
58 gva, vm->page_size); in virt_arch_pg_map()
63 TEST_ASSERT((gpa % vm->page_size) == 0, in virt_arch_pg_map()
66 gva, vm->page_size); in virt_arch_pg_map()
70 gva, vm->max_gfn, vm->page_size); in virt_arch_pg_map()
94 TEST_ASSERT(vm->page_size == 4096, "Unsupported page size: 0x%x", in addr_arch_gva2gpa()
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/openbmc/linux/drivers/accel/habanalabs/common/
H A Dmemory.c29 static int set_alloc_page_size(struct hl_device *hdev, struct hl_mem_in *args, u32 *page_size) in set_alloc_page_size() argument
38 if (prop->supports_user_set_page_size && args->alloc.page_size) { in set_alloc_page_size()
39 psize = args->alloc.page_size; in set_alloc_page_size()
49 *page_size = psize; in set_alloc_page_size()
94 u32 num_curr_pgs, page_size; in alloc_device_memory() local
100 rc = set_alloc_page_size(hdev, args, &page_size); in alloc_device_memory()
104 num_pgs = DIV_ROUND_UP_ULL(args->alloc.mem_size, page_size); in alloc_device_memory()
105 total_size = num_pgs * page_size; in alloc_device_memory()
115 if (is_power_of_2(page_size)) in alloc_device_memory()
117 total_size, NULL, page_size); in alloc_device_memory()
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/openbmc/u-boot/drivers/mtd/spi/
H A Dsf_dataflash.c129 blocksize = spi_flash->page_size << 3; in spi_dataflash_erase()
136 div_u64_rem(len, spi_flash->page_size, &rem); in spi_dataflash_erase()
139 dev->name, len, spi_flash->page_size); in spi_dataflash_erase()
142 div_u64_rem(offset, spi_flash->page_size, &rem); in spi_dataflash_erase()
145 dev->name, offset, spi_flash->page_size); in spi_dataflash_erase()
162 pageaddr = div_u64(offset, spi_flash->page_size); in spi_dataflash_erase()
192 offset += spi_flash->page_size; in spi_dataflash_erase()
193 len -= spi_flash->page_size; in spi_dataflash_erase()
230 addr = (((unsigned)offset / spi_flash->page_size) in spi_dataflash_read()
232 + ((unsigned)offset % spi_flash->page_size); in spi_dataflash_read()
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