return nxp_spifi_wait_for_cmd(spifi);
}
-static int nxp_spifi_read(struct spi_nor *nor, loff_t from, size_t len,
- size_t *retlen, u_char *buf)
+static ssize_t nxp_spifi_read(struct spi_nor *nor, loff_t from, size_t len,
+ u_char *buf)
{
struct nxp_spifi *spifi = nor->priv;
int ret;
return ret;
memcpy_fromio(buf, spifi->flash_base + from, len);
- *retlen += len;
- return 0;
+ return len;
}
-static void nxp_spifi_write(struct spi_nor *nor, loff_t to, size_t len,
- size_t *retlen, const u_char *buf)
+static ssize_t nxp_spifi_write(struct spi_nor *nor, loff_t to, size_t len,
+ const u_char *buf)
{
struct nxp_spifi *spifi = nor->priv;
u32 cmd;
int ret;
+ size_t i;
ret = nxp_spifi_set_memory_mode_off(spifi);
if (ret)
- return;
+ return ret;
writel(to, spifi->io_base + SPIFI_ADDR);
- *retlen += len;
cmd = SPIFI_CMD_DOUT |
SPIFI_CMD_DATALEN(len) |
SPIFI_CMD_FRAMEFORM(spifi->nor.addr_width + 1);
writel(cmd, spifi->io_base + SPIFI_CMD);
- while (len--)
- writeb(*buf++, spifi->io_base + SPIFI_DATA);
+ for (i = 0; i < len; i++)
+ writeb(buf[i], spifi->io_base + SPIFI_DATA);
+
+ ret = nxp_spifi_wait_for_cmd(spifi);
+ if (ret)
+ return ret;
- nxp_spifi_wait_for_cmd(spifi);
+ return len;
}
static int nxp_spifi_erase(struct spi_nor *nor, loff_t offs)