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path: root/drivers/mtd/nand/omap_gpmc.c
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Diffstat (limited to 'drivers/mtd/nand/omap_gpmc.c')
-rw-r--r--drivers/mtd/nand/omap_gpmc.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/mtd/nand/omap_gpmc.c b/drivers/mtd/nand/omap_gpmc.c
index 1dfe074..ca868ef 100644
--- a/drivers/mtd/nand/omap_gpmc.c
+++ b/drivers/mtd/nand/omap_gpmc.c
@@ -27,10 +27,12 @@
#include <asm/arch/mem.h>
#include <asm/arch/omap_gpmc.h>
#include <linux/mtd/nand_ecc.h>
+#include <linux/compiler.h>
#include <nand.h>
static uint8_t cs;
-static struct nand_ecclayout hw_nand_oob = GPMC_NAND_HW_ECC_LAYOUT;
+static __maybe_unused struct nand_ecclayout hw_nand_oob =
+ GPMC_NAND_HW_ECC_LAYOUT;
/*
* omap_nand_hwcontrol - Set the address pointers corretly for the
@@ -75,7 +77,7 @@ int omap_spl_dev_ready(struct mtd_info *mtd)
* @mtd: MTD device structure
*
*/
-static void omap_hwecc_init(struct nand_chip *chip)
+static void __maybe_unused omap_hwecc_init(struct nand_chip *chip)
{
/*
* Init ECC Control Register
@@ -113,7 +115,7 @@ static uint32_t gen_true_ecc(uint8_t *ecc_buf)
*
* @return 0 if data is OK or corrected, else returns -1
*/
-static int omap_correct_data(struct mtd_info *mtd, uint8_t *dat,
+static int __maybe_unused omap_correct_data(struct mtd_info *mtd, uint8_t *dat,
uint8_t *read_ecc, uint8_t *calc_ecc)
{
uint32_t orig_ecc, new_ecc, res, hm;
@@ -179,8 +181,8 @@ static int omap_correct_data(struct mtd_info *mtd, uint8_t *dat,
* @dat: unused
* @ecc_code: ecc_code buffer
*/
-static int omap_calculate_ecc(struct mtd_info *mtd, const uint8_t *dat,
- uint8_t *ecc_code)
+static int __maybe_unused omap_calculate_ecc(struct mtd_info *mtd,
+ const uint8_t *dat, uint8_t *ecc_code)
{
u_int32_t val;
@@ -205,7 +207,7 @@ static int omap_calculate_ecc(struct mtd_info *mtd, const uint8_t *dat,
* @mtd: MTD device structure
* @mode: Read/Write mode
*/
-static void omap_enable_hwecc(struct mtd_info *mtd, int32_t mode)
+static void __maybe_unused omap_enable_hwecc(struct mtd_info *mtd, int32_t mode)
{
struct nand_chip *chip = mtd->priv;
uint32_t val, dev_width = (chip->options & NAND_BUSWIDTH_16) >> 1;