1 files changed, 7 insertions, 119 deletions

diff --git a/drivers/mtd/spi/eon.c b/drivers/mtd/spi/eon.c
index 02c3bb930..e3de3aabb 100644
--- a/drivers/mtd/spi/eon.c
+++ b/drivers/mtd/spi/eon.c
@@ -25,8 +25,6 @@
 
 #define EON_ID_EN25Q128		0x18
 
-#define EON_SR_WIP		(1 << 0)	/* Write-in-Progress */
-
 struct eon_spi_flash_params {
 	u8 idcode1;
 	u16 page_size;
@@ -58,60 +56,6 @@ static const struct eon_spi_flash_params eon_spi_flash_table[] = {
 	},
 };
 
-static int eon_wait_ready(struct spi_flash *flash, unsigned long timeout)
-{
-	struct spi_slave *spi = flash->spi;
-	unsigned long timebase;
-	int ret;
-	u8 cmd = CMD_EN25Q128_RDSR;
-	u8 status;
-
-	ret = spi_xfer(spi, 8, &cmd, NULL, SPI_XFER_BEGIN);
-	if (ret) {
-		debug("SF: Failed to send command %02x: %d\n", cmd, ret);
-		return ret;
-	}
-
-	timebase = get_timer(0);
-	do {
-		ret = spi_xfer(spi, 8, NULL, &status, 0);
-		if (ret)
-			return -1;
-
-		if ((status & EON_SR_WIP) == 0)
-			break;
-
-	} while (get_timer(timebase) < timeout);
-
-	spi_xfer(spi, 0, NULL, NULL, SPI_XFER_END);
-
-	if ((status & EON_SR_WIP) == 0)
-		return 0;
-
-	/* Timed out */
-	return -1;
-}
-
-static int eon_read_fast(struct spi_flash *flash,
-			 u32 offset, size_t len, void *buf)
-{
-	struct eon_spi_flash *eon = to_eon_spi_flash(flash);
-	unsigned long page_addr;
-	unsigned long page_size;
-	u8 cmd[5];
-
-	page_size = eon->params->page_size;
-	page_addr = offset / page_size;
-
-	cmd[0] = CMD_READ_ARRAY_FAST;
-	cmd[1] = page_addr >> 8;
-	cmd[2] = page_addr;
-	cmd[3] = offset % page_size;
-	cmd[4] = 0x00;
-
-	return spi_flash_read_common(flash, cmd, sizeof(cmd), buf, len);
-}
-
 static int eon_write(struct spi_flash *flash,
 		     u32 offset, size_t len, const void *buf)
 {
@@ -160,11 +104,9 @@ static int eon_write(struct spi_flash *flash,
 			break;
 		}
 
-		ret = eon_wait_ready(flash, SPI_FLASH_PROG_TIMEOUT);
-		if (ret < 0) {
-			debug("SF: EON page programming timed out\n");
+		ret = spi_flash_cmd_wait_ready(flash, SPI_FLASH_PROG_TIMEOUT);
+		if (ret)
 			break;
-		}
 
 		page_addr++;
 		byte_addr = 0;
@@ -177,62 +119,9 @@ static int eon_write(struct spi_flash *flash,
 	return ret;
 }
 
-int eon_erase(struct spi_flash *flash, u32 offset, size_t len)
+static int eon_erase(struct spi_flash *flash, u32 offset, size_t len)
 {
-	/* block erase */
-	struct eon_spi_flash *eon = to_eon_spi_flash(flash);
-	unsigned long block_size;
-	size_t actual;
-	int ret;
-	u8 cmd[4];
-
-
-	block_size = eon->params->page_size * eon->params->pages_per_sector
-	       * eon->params->sectors_per_block;
-
-	if (offset % block_size || len % block_size) {
-		debug("SF: Erase offset/length not multiple of block size\n");
-		return -1;
-	}
-
-	len /= block_size;
-	cmd[0] = CMD_EN25Q128_BE;
-	cmd[2] = 0x00;
-	cmd[3] = 0x00;
-
-	ret = spi_claim_bus(flash->spi);
-	if (ret) {
-		debug("SF: Unable to claim SPI bus\n");
-		return ret;
-	}
-
-	ret = 0;
-	for (actual = 0; actual < len; actual++) {
-		cmd[1] = (offset / block_size) + actual;
-		ret = spi_flash_cmd(flash->spi, CMD_EN25Q128_WREN, NULL, 0);
-		if (ret < 0) {
-			debug("SF: Enabling Write failed\n");
-			break;
-		}
-
-		ret = spi_flash_cmd_write(flash->spi, cmd, 4, NULL, 0);
-		if (ret < 0) {
-			debug("SF: EON page erase failed\n");
-			break;
-		}
-
-		ret = eon_wait_ready(flash, SPI_FLASH_PAGE_ERASE_TIMEOUT);
-		if (ret < 0) {
-			debug("SF: EON page erase timed out\n");
-			break;
-		}
-	}
-
-	debug("SF: EON: Successfully erased %u bytes @ 0x%x\n",
-	      len * block_size, offset);
-
-	spi_release_bus(flash->spi);
-	return ret;
+	return spi_flash_cmd_erase(flash, CMD_EN25Q128_BE, offset, len);
 }
 
 struct spi_flash *spi_flash_probe_eon(struct spi_slave *spi, u8 *idcode)
@@ -264,12 +153,11 @@ struct spi_flash *spi_flash_probe_eon(struct spi_slave *spi, u8 *idcode)
 
 	eon->flash.write = eon_write;
 	eon->flash.erase = eon_erase;
-	eon->flash.read = eon_read_fast;
+	eon->flash.read = spi_flash_cmd_read_fast;
+	eon->flash.sector_size = params->page_size * params->pages_per_sector
+	    * params->sectors_per_block;
 	eon->flash.size = params->page_size * params->pages_per_sector
 	    * params->nr_sectors;
 
-	debug("SF: Detected %s with page size %u, total %u bytes\n",
-	      params->name, params->page_size, eon->flash.size);
-
 	return &eon->flash;
 }