From 73b5b27b7a8a01cf0527ecba5419ef5a44caf27d Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <yamada.masahiro@socionext.com>
Date: Mon, 29 Feb 2016 20:57:29 +0900
Subject: [PATCH] mtd: denali: fix warning when compiled for 64bit system
The 64-bit compiler (ex. aarch64) emits "warning: cast from pointer
to integer of different size".
Make it work with 64bit DMA address while I am here.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
---
drivers/mtd/nand/denali.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/mtd/nand/denali.c b/drivers/mtd/nand/denali.c
index 192be7dfa1..018d14fc81 100644
--- a/drivers/mtd/nand/denali.c
+++ b/drivers/mtd/nand/denali.c
@@ -741,7 +741,7 @@ static void denali_setup_dma(struct denali_nand_info *denali, int op)
{
uint32_t mode;
const int page_count = 1;
- uint32_t addr = (uint32_t)denali->buf.dma_buf;
+ uint64_t addr = (unsigned long)denali->buf.dma_buf;
flush_dcache_range(addr, addr + sizeof(denali->buf.dma_buf));
@@ -759,7 +759,7 @@ static void denali_setup_dma(struct denali_nand_info *denali, int op)
index_addr(denali, mode, addr);
/* 3. set memory high address bits 64:32 */
- index_addr(denali, mode, 0);
+ index_addr(denali, mode, addr >> 32);
#else
mode = MODE_10 | BANK(denali->flash_bank);
@@ -769,7 +769,7 @@ 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 | ((addr >> 16) << 8), 0x2200);
+ index_addr(denali, mode | (((addr >> 16) & 0xffff) << 8), 0x2200);
/* 3. set memory low address bits 23:8 */
index_addr(denali, mode | ((addr & 0xffff) << 8), 0x2300);
--
2.39.5