[PATCH 3/7] mtd: denali: remove unnecessary casts

Masahiro Yamada
2014-09-08T08:11:21Z

Useless casts result in unreadable source code.

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
---

drivers/mtd/nand/denali.c | 36 ++++++++++++++++++------------------
1 file changed, 18 insertions(+), 18 deletions(-)

diff --git a/drivers/mtd/nand/denali.c b/drivers/mtd/nand/denali.c
index 3836828..dcd6771 100644
--- a/drivers/mtd/nand/denali.c
+++ b/drivers/mtd/nand/denali.c
@@ -423,10 +423,10 @@ static void find_valid_banks(struct denali_nand_info *denali)

denali->total_used_banks = 1;
for (i = 0; i < denali->max_banks; i++) {
- index_addr(denali, (uint32_t)(MODE_11 | (i << 24) | 0), 0x90);
- index_addr(denali, (uint32_t)(MODE_11 | (i << 24) | 1), 0);
+ index_addr(denali, MODE_11 | (i << 24) | 0, 0x90);
+ index_addr(denali, MODE_11 | (i << 24) | 1, 0);
index_addr_read_data(denali,
- (uint32_t)(MODE_11 | (i << 24) | 2), &id[i]);
+ MODE_11 | (i << 24) | 2, &id[i]);

dev_dbg(denali->dev,
"Return 1st ID for bank[%d]: %x\n", i, id[i]);
@@ -510,9 +510,9 @@ static uint16_t denali_nand_timing_set(struct denali_nand_info *denali)
* For some NAND chips, controller can't report the correct
* device ID by reading from DEVICE_ID register
*/
- addr = (uint32_t)MODE_11 | BANK(denali->flash_bank);
- index_addr(denali, (uint32_t)addr | 0, 0x90);
- index_addr(denali, (uint32_t)addr | 1, 0);
+ addr = MODE_11 | BANK(denali->flash_bank);
+ index_addr(denali, addr | 0, 0x90);
+ index_addr(denali, addr | 1, 0);
for (i = 0; i < 8; i++)
index_addr_read_data(denali, addr | 2, &id_bytes[i]);
maf_id = id_bytes[0];
@@ -782,14 +782,14 @@ static int denali_send_pipeline_cmd(struct denali_nand_info *denali,
} else if (op == DENALI_WRITE && access_type == SPARE_ACCESS) {
/* read spare area */
cmd = MODE_10 | addr;
- index_addr(denali, (uint32_t)cmd, access_type);
+ index_addr(denali, cmd, access_type);

cmd = MODE_01 | addr;
iowrite32(cmd, denali->flash_mem);
} else if (op == DENALI_READ) {
/* setup page read request for access type */
cmd = MODE_10 | addr;
- index_addr(denali, (uint32_t)cmd, access_type);
+ index_addr(denali, cmd, access_type);

/*
* page 33 of the NAND controller spec indicates we should not
@@ -800,7 +800,7 @@ static int denali_send_pipeline_cmd(struct denali_nand_info *denali,
cmd = MODE_01 | addr;
iowrite32(cmd, denali->flash_mem);
} else {
- index_addr(denali, (uint32_t)cmd,
+ index_addr(denali, cmd,
PIPELINE_ACCESS | op | page_count);

/*
@@ -929,7 +929,7 @@ static void read_oob_data(struct mtd_info *mtd, uint8_t *buf, int page)
*/
addr = BANK(denali->flash_bank) | denali->page;
cmd = MODE_10 | addr;
- index_addr(denali, (uint32_t)cmd, MAIN_ACCESS);
+ index_addr(denali, cmd, MAIN_ACCESS);
}
}

@@ -1035,7 +1035,7 @@ static void denali_setup_dma(struct denali_nand_info *denali, int op)
{
uint32_t mode;
const int page_count = 1;
- dma_addr_t addr = denali->buf.dma_buf;
+ uint32_t addr = denali->buf.dma_buf;

mode = MODE_10 | BANK(denali->flash_bank);

@@ -1045,10 +1045,10 @@ static void denali_setup_dma(struct denali_nand_info *denali, int op)
index_addr(denali, mode | denali->page, 0x2000 | op | page_count);

/* 2. set memory high address bits 23:8 */
- index_addr(denali, mode | ((uint16_t)(addr >> 16) << 8), 0x2200);
+ index_addr(denali, mode | ((addr >> 16) << 8), 0x2200);

/* 3. set memory low address bits 23:8 */
- index_addr(denali, mode | ((uint16_t)addr << 8), 0x2300);
+ index_addr(denali, mode | ((addr & 0xff) << 8), 0x2300);

/* 4. interrupt when complete, burst len = 64 bytes */
index_addr(denali, mode | 0x14000, 0x2400);
@@ -1289,7 +1289,7 @@ static int denali_erase(struct mtd_info *mtd, int page)

/* setup page read request for access type */
cmd = MODE_10 | BANK(denali->flash_bank) | page;
- index_addr(denali, (uint32_t)cmd, 0x1);
+ index_addr(denali, cmd, 0x1);

/* wait for erase to complete or failure to occur */
irq_status = wait_for_irq(denali, INTR_STATUS__ERASE_COMP |
@@ -1319,12 +1319,12 @@ static void denali_cmdfunc(struct mtd_info *mtd, unsigned int cmd, int col,
* e.g. some of Micron MT29F32G08QAA MLC NAND chips
* So here we send READID cmd to NAND insteand
*/
- addr = (uint32_t)MODE_11 | BANK(denali->flash_bank);
- index_addr(denali, (uint32_t)addr | 0, 0x90);
- index_addr(denali, (uint32_t)addr | 1, 0);
+ addr = MODE_11 | BANK(denali->flash_bank);
+ index_addr(denali, addr | 0, 0x90);
+ index_addr(denali, addr | 1, 0);
for (i = 0; i < 8; i++) {
index_addr_read_data(denali,
- (uint32_t)addr | 2,
+ addr | 2,
&id);
write_byte_to_buf(denali, id);
}
--
1.9.1