#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/vmalloc.h>
-#include <asm/div64.h>
+#include <linux/math64.h>
#include <linux/slab.h>
#include <linux/errno.h>
#include <linux/string.h>
#define OPT_PAGE512 0x00000002 /* 512-byte page chips */
#define OPT_PAGE2048 0x00000008 /* 2048-byte page chips */
#define OPT_SMARTMEDIA 0x00000010 /* SmartMedia technology chips */
-#define OPT_AUTOINCR 0x00000020 /* page number auto incrementation is possible */
#define OPT_PAGE512_8BIT 0x00000040 /* 512-byte page chips with 8-bit bus width */
#define OPT_PAGE4096 0x00000080 /* 4096-byte page chips */
#define OPT_LARGEPAGE (OPT_PAGE2048 | OPT_PAGE4096) /* 2048 & 4096-byte page chips */
return kstrdup(buf, GFP_KERNEL);
}
-static uint64_t divide(uint64_t n, uint32_t d)
-{
- do_div(n, d);
- return n;
-}
-
/*
* Initialize the nandsim structure.
*
ns->geom.oobsz = mtd->oobsize;
ns->geom.secsz = mtd->erasesize;
ns->geom.pgszoob = ns->geom.pgsz + ns->geom.oobsz;
- ns->geom.pgnum = divide(ns->geom.totsz, ns->geom.pgsz);
+ ns->geom.pgnum = div_u64(ns->geom.totsz, ns->geom.pgsz);
ns->geom.totszoob = ns->geom.totsz + (uint64_t)ns->geom.pgnum * ns->geom.oobsz;
ns->geom.secshift = ffs(ns->geom.secsz) - 1;
ns->geom.pgshift = chip->page_shift;
ns->options |= OPT_PAGE256;
}
else if (ns->geom.pgsz == 512) {
- ns->options |= (OPT_PAGE512 | OPT_AUTOINCR);
+ ns->options |= OPT_PAGE512;
if (ns->busw == 8)
ns->options |= OPT_PAGE512_8BIT;
} else if (ns->geom.pgsz == 2048) {
for (i = 0; nand_flash_ids[i].name != NULL; i++) {
if (second_id_byte != nand_flash_ids[i].id)
continue;
- if (!(nand_flash_ids[i].options & NAND_NO_AUTOINCR))
- ns->options |= OPT_AUTOINCR;
}
if (ns->busw == 16)
if (!rptwear)
return 0;
- wear_eb_count = divide(mtd->size, mtd->erasesize);
+ wear_eb_count = div_u64(mtd->size, mtd->erasesize);
mem = wear_eb_count * sizeof(unsigned long);
if (mem / sizeof(unsigned long) != wear_eb_count) {
NS_ERR("Too many erase blocks for wear reporting\n");
if (ns->regs.count == ns->regs.num) {
NS_DBG("read_byte: all bytes were read\n");
- /*
- * The OPT_AUTOINCR allows to read next consecutive pages without
- * new read operation cycle.
- */
- if ((ns->options & OPT_AUTOINCR) && NS_STATE(ns->state) == STATE_DATAOUT) {
- ns->regs.count = 0;
- if (ns->regs.row + 1 < ns->geom.pgnum)
- ns->regs.row += 1;
- NS_DBG("read_byte: switch to the next page (%#x)\n", ns->regs.row);
- do_state_action(ns, ACTION_CPY);
- }
- else if (NS_STATE(ns->nxstate) == STATE_READY)
+ if (NS_STATE(ns->nxstate) == STATE_READY)
switch_state(ns);
-
}
return outb;
ns->regs.count += len;
if (ns->regs.count == ns->regs.num) {
- if ((ns->options & OPT_AUTOINCR) && NS_STATE(ns->state) == STATE_DATAOUT) {
- ns->regs.count = 0;
- if (ns->regs.row + 1 < ns->geom.pgnum)
- ns->regs.row += 1;
- NS_DBG("read_buf: switch to the next page (%#x)\n", ns->regs.row);
- do_state_action(ns, ACTION_CPY);
- }
- else if (NS_STATE(ns->nxstate) == STATE_READY)
+ if (NS_STATE(ns->nxstate) == STATE_READY)
switch_state(ns);
}