[PATCH 1/3] mtd: onenand: samsung: Fix pointer cast -Wpointer-to-int-cast warnings on 64 bit

From: Krzysztof Kozlowski
Date: Sun Dec 29 2019 - 13:36:27 EST


iomem pointers should be casted to unsigned long to avoid
-Wpointer-to-int-cast warnings when compiling on 64-bit platform (e.g.
with COMPILE_TEST):

drivers/mtd/nand/onenand/samsung_mtd.c: In function âs3c_onenand_readwâ:
drivers/mtd/nand/onenand/samsung_mtd.c:251:6: warning:
cast from pointer to integer of different size [-Wpointer-to-int-cast]
if ((unsigned int) addr < ONENAND_DATARAM && onenand->bootram_command) {
^

Signed-off-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx>
---
drivers/mtd/nand/onenand/samsung_mtd.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/mtd/nand/onenand/samsung_mtd.c b/drivers/mtd/nand/onenand/samsung_mtd.c
index 55e5536a5850..70501d031db6 100644
--- a/drivers/mtd/nand/onenand/samsung_mtd.c
+++ b/drivers/mtd/nand/onenand/samsung_mtd.c
@@ -248,7 +248,7 @@ static unsigned short s3c_onenand_readw(void __iomem *addr)
}

/* BootRAM access control */
- if ((unsigned int) addr < ONENAND_DATARAM && onenand->bootram_command) {
+ if ((unsigned long)addr < ONENAND_DATARAM && onenand->bootram_command) {
if (word_addr == 0)
return s3c_read_reg(MANUFACT_ID_OFFSET);
if (word_addr == 1)
@@ -289,7 +289,7 @@ static void s3c_onenand_writew(unsigned short value, void __iomem *addr)
}

/* BootRAM access control */
- if ((unsigned int)addr < ONENAND_DATARAM) {
+ if ((unsigned long)addr < ONENAND_DATARAM) {
if (value == ONENAND_CMD_READID) {
onenand->bootram_command = 1;
return;
--
2.17.1