[U-Boot] [PATCH v5 08/26] armv7: make gpmc_cfg const

[Ladislav Michl]

Signed-off-by: Ladislav Michl <ladis at linux-mips.org>
---

Changes in v5: None
Changes in v4: None
Changes in v3: None
Changes in v2: None

 arch/arm/cpu/armv7/omap-common/mem-common.c | 8 +++-----
 arch/arm/include/asm/arch-omap3/sys_proto.h | 4 ++--
 drivers/mtd/nand/omap_gpmc.c                | 3 ++-
 include/linux/mtd/omap_gpmc.h               | 2 +-
 4 files changed, 8 insertions(+), 9 deletions(-)

diff --git a/arch/arm/cpu/armv7/omap-common/mem-common.c b/arch/arm/cpu/armv7/omap-common/mem-common.c
index fc4290c..136a032 100644
--- a/arch/arm/cpu/armv7/omap-common/mem-common.c
+++ b/arch/arm/cpu/armv7/omap-common/mem-common.c
@@ -21,7 +21,7 @@
 #include <command.h>
 #include <linux/mtd/omap_gpmc.h>
 
-struct gpmc *gpmc_cfg;
+const struct gpmc *gpmc_cfg = (struct gpmc *)GPMC_BASE;
 
 #if defined(CONFIG_OMAP34XX)
 /********************************************************
@@ -50,8 +50,8 @@ u32 mem_ok(u32 cs)
 }
 #endif
 
-void enable_gpmc_cs_config(const u32 *gpmc_config, struct gpmc_cs *cs, u32 base,
-			u32 size)
+void enable_gpmc_cs_config(const u32 *gpmc_config, const struct gpmc_cs *cs,
+				u32 base, u32 size)
 {
 	writel(0, &cs->config7);
 	sdelay(1000);
@@ -75,8 +75,6 @@ void enable_gpmc_cs_config(const u32 *gpmc_config, struct gpmc_cs *cs, u32 base,
  *****************************************************/
 void gpmc_init(void)
 {
-	/* putting a blanket check on GPMC based on ZeBu for now */
-	gpmc_cfg = (struct gpmc *)GPMC_BASE;
 #if defined(CONFIG_NOR)
 /* configure GPMC for NOR */
 	const u32 gpmc_regs[GPMC_MAX_REG] = {	STNOR_GPMC_CONFIG1,
diff --git a/arch/arm/include/asm/arch-omap3/sys_proto.h b/arch/arm/include/asm/arch-omap3/sys_proto.h
index 1be2b15..4c5aa99 100644
--- a/arch/arm/include/asm/arch-omap3/sys_proto.h
+++ b/arch/arm/include/asm/arch-omap3/sys_proto.h
@@ -43,8 +43,8 @@ void get_board_mem_timings(struct board_sdrc_timings *timings);
 int identify_nand_chip(int *mfr, int *id);
 void emif4_init(void);
 void gpmc_init(void);
-void enable_gpmc_cs_config(const u32 *gpmc_config, struct gpmc_cs *cs, u32 base,
-			u32 size);
+void enable_gpmc_cs_config(const u32 *gpmc_config, const struct gpmc_cs *cs,
+				u32 base, u32 size);
 
 void watchdog_init(void);
 void set_muxconf_regs(void);
diff --git a/drivers/mtd/nand/omap_gpmc.c b/drivers/mtd/nand/omap_gpmc.c
index 67f293d..6e201d6 100644
--- a/drivers/mtd/nand/omap_gpmc.c
+++ b/drivers/mtd/nand/omap_gpmc.c
@@ -264,7 +264,8 @@ static int omap_calculate_ecc(struct mtd_info *mtd, const uint8_t *dat,
 {
 	struct nand_chip *chip = mtd_to_nand(mtd);
 	struct omap_nand_info *info = nand_get_controller_data(chip);
-	uint32_t *ptr, val = 0;
+	const uint32_t *ptr;
+	uint32_t val = 0;
 	int8_t i = 0, j;
 
 	switch (info->ecc_scheme) {
diff --git a/include/linux/mtd/omap_gpmc.h b/include/linux/mtd/omap_gpmc.h
index 3a75674..f49ea3d 100644
--- a/include/linux/mtd/omap_gpmc.h
+++ b/include/linux/mtd/omap_gpmc.h
@@ -92,6 +92,6 @@ struct gpmc {
 };
 
 /* Used for board specific gpmc initialization */
-extern struct gpmc *gpmc_cfg;
+extern const struct gpmc *gpmc_cfg;
 
 #endif /* __ASM_OMAP_GPMC_H */
-- 
2.1.4