From 3157d1ed23098e3b004e78bc342af10d62f820f7 Mon Sep 17 00:00:00 2001 From: Masahiro Yamada Date: Tue, 9 Sep 2014 11:01:53 +0900 Subject: [PATCH] mtd: denali: remove unnecessary casts Useless casts result in unreadable source code. Signed-off-by: Masahiro Yamada Signed-off-by: Brian Norris --- 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 20823df2c1bf..60134394bae4 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); @@ -1287,7 +1287,7 @@ 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 | @@ -1317,12 +1317,12 @@ 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); }