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-rw-r--r--drivers/mtd/nand/denali.c102
1 files changed, 53 insertions, 49 deletions
diff --git a/drivers/mtd/nand/denali.c b/drivers/mtd/nand/denali.c
index 3ce11cc..52278d83 100644
--- a/drivers/mtd/nand/denali.c
+++ b/drivers/mtd/nand/denali.c
@@ -119,7 +119,7 @@ static const uint32_t reset_complete[4] = {INTR_STATUS0__RST_COMP,
INTR_STATUS3__RST_COMP};
/* specifies the debug level of the driver */
-static int nand_debug_level = 0;
+static int nand_debug_level;
/* forward declarations */
static void clear_interrupts(struct denali_nand_info *denali);
@@ -991,7 +991,7 @@ static void denali_irq_enable(struct denali_nand_info *denali,
*/
static inline uint32_t denali_irq_detected(struct denali_nand_info *denali)
{
- return (read_interrupt_status(denali) & DENALI_IRQ_ALL);
+ return read_interrupt_status(denali) & DENALI_IRQ_ALL;
}
/* Interrupts are cleared by writing a 1 to the appropriate status bit */
@@ -1172,9 +1172,12 @@ static int denali_send_pipeline_cmd(struct denali_nand_info *denali,
uint32_t addr = 0x0, cmd = 0x0, page_count = 1, irq_status = 0,
irq_mask = 0;
- if (op == DENALI_READ) irq_mask = INTR_STATUS0__LOAD_COMP;
- else if (op == DENALI_WRITE) irq_mask = 0;
- else BUG();
+ if (op == DENALI_READ)
+ irq_mask = INTR_STATUS0__LOAD_COMP;
+ else if (op == DENALI_WRITE)
+ irq_mask = 0;
+ else
+ BUG();
setup_ecc_for_xfer(denali, ecc_en, transfer_spare);
@@ -1448,7 +1451,8 @@ static void denali_enable_dma(struct denali_nand_info *denali, bool en)
{
uint32_t reg_val = 0x0;
- if (en) reg_val = DMA_ENABLE__FLAG;
+ if (en)
+ reg_val = DMA_ENABLE__FLAG;
denali_write32(reg_val, denali->flash_reg + DMA_ENABLE);
ioread32(denali->flash_reg + DMA_ENABLE);
@@ -1721,47 +1725,47 @@ static void denali_cmdfunc(struct mtd_info *mtd, unsigned int cmd, int col,
printk(KERN_INFO "cmdfunc: 0x%x %d %d\n", cmd, col, page);
#endif
switch (cmd) {
- case NAND_CMD_PAGEPROG:
- break;
- case NAND_CMD_STATUS:
- read_status(denali);
- break;
- case NAND_CMD_READID:
- reset_buf(denali);
- if (denali->flash_bank < denali->total_used_banks) {
- /* write manufacturer information into nand
- buffer for NAND subsystem to fetch.
- */
- write_byte_to_buf(denali,
- denali->dev_info.wDeviceMaker);
- write_byte_to_buf(denali,
- denali->dev_info.wDeviceID);
- write_byte_to_buf(denali,
- denali->dev_info.bDeviceParam0);
- write_byte_to_buf(denali,
- denali->dev_info.bDeviceParam1);
- write_byte_to_buf(denali,
- denali->dev_info.bDeviceParam2);
- } else {
- int i;
- for (i = 0; i < 5; i++)
- write_byte_to_buf(denali, 0xff);
- }
- break;
- case NAND_CMD_READ0:
- case NAND_CMD_SEQIN:
- denali->page = page;
- break;
- case NAND_CMD_RESET:
- reset_bank(denali);
- break;
- case NAND_CMD_READOOB:
- /* TODO: Read OOB data */
- break;
- default:
- printk(KERN_ERR ": unsupported command"
- " received 0x%x\n", cmd);
- break;
+ case NAND_CMD_PAGEPROG:
+ break;
+ case NAND_CMD_STATUS:
+ read_status(denali);
+ break;
+ case NAND_CMD_READID:
+ reset_buf(denali);
+ if (denali->flash_bank < denali->total_used_banks) {
+ /* write manufacturer information into nand
+ buffer for NAND subsystem to fetch.
+ */
+ write_byte_to_buf(denali,
+ denali->dev_info.wDeviceMaker);
+ write_byte_to_buf(denali,
+ denali->dev_info.wDeviceID);
+ write_byte_to_buf(denali,
+ denali->dev_info.bDeviceParam0);
+ write_byte_to_buf(denali,
+ denali->dev_info.bDeviceParam1);
+ write_byte_to_buf(denali,
+ denali->dev_info.bDeviceParam2);
+ } else {
+ int i;
+ for (i = 0; i < 5; i++)
+ write_byte_to_buf(denali, 0xff);
+ }
+ break;
+ case NAND_CMD_READ0:
+ case NAND_CMD_SEQIN:
+ denali->page = page;
+ break;
+ case NAND_CMD_RESET:
+ reset_bank(denali);
+ break;
+ case NAND_CMD_READOOB:
+ /* TODO: Read OOB data */
+ break;
+ default:
+ printk(KERN_ERR ": unsupported command"
+ " received 0x%x\n", cmd);
+ break;
}
}
@@ -1807,7 +1811,7 @@ static void denali_hw_init(struct denali_nand_info *denali)
}
/* ECC layout for SLC devices. Denali spec indicates SLC fixed at 4 bytes */
-#define ECC_BYTES_SLC 4 * (2048 / ECC_SECTOR_SIZE)
+#define ECC_BYTES_SLC (4 * (2048 / ECC_SECTOR_SIZE))
static struct nand_ecclayout nand_oob_slc = {
.eccbytes = 4,
.eccpos = { 0, 1, 2, 3 }, /* not used */
@@ -1819,7 +1823,7 @@ static struct nand_ecclayout nand_oob_slc = {
}
};
-#define ECC_BYTES_MLC 14 * (2048 / ECC_SECTOR_SIZE)
+#define ECC_BYTES_MLC (14 * (2048 / ECC_SECTOR_SIZE))
static struct nand_ecclayout nand_oob_mlc_14bit = {
.eccbytes = 14,
.eccpos = { 0, 1, 2, 3, 5, 6, 7, 8, 9, 10, 11, 12, 13 }, /* not used */
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