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authorRoger Quadros <rogerq@ti.com>2015-08-05 14:01:50 +0300
committerRoger Quadros <rogerq@ti.com>2016-04-15 11:53:02 +0300
commitc509aefd75d026f4ef4aa306131d7a780c2eda7b (patch)
tree636a95c2313b28064007ac7bddeef3f65e2dc5ef
parent384258f252727c67772bbd48dad3185a30ba50d3 (diff)
downloadlinux-c509aefd75d026f4ef4aa306131d7a780c2eda7b.tar.bz2
mtd: nand: omap: Use gpmc_omap_get_nand_ops() to get NAND registers
Deprecate nand register passing via platform data and use gpmc_omap_get_nand_ops() instead. Signed-off-by: Roger Quadros <rogerq@ti.com> Acked-by: Brian Norris <computersforpeace@gmail.com> Acked-by: Tony Lindgren <tony@atomide.com>
-rw-r--r--arch/arm/mach-omap2/gpmc-nand.c2
-rw-r--r--drivers/mtd/nand/omap2.c9
-rw-r--r--include/linux/platform_data/mtd-nand-omap2.h4
3 files changed, 11 insertions, 4 deletions
diff --git a/arch/arm/mach-omap2/gpmc-nand.c b/arch/arm/mach-omap2/gpmc-nand.c
index 72918c4973ea..04e6998c1529 100644
--- a/arch/arm/mach-omap2/gpmc-nand.c
+++ b/arch/arm/mach-omap2/gpmc-nand.c
@@ -121,8 +121,6 @@ int gpmc_nand_init(struct omap_nand_platform_data *gpmc_nand_data,
if (err < 0)
goto out_free_cs;
- gpmc_update_nand_reg(&gpmc_nand_data->reg, gpmc_nand_data->cs);
-
if (!gpmc_hwecc_bch_capable(gpmc_nand_data->ecc_opt)) {
pr_err("omap2-nand: Unsupported NAND ECC scheme selected\n");
err = -EINVAL;
diff --git a/drivers/mtd/nand/omap2.c b/drivers/mtd/nand/omap2.c
index 0749ca1a1456..cba9bf0adba1 100644
--- a/drivers/mtd/nand/omap2.c
+++ b/drivers/mtd/nand/omap2.c
@@ -28,6 +28,7 @@
#include <linux/mtd/nand_bch.h>
#include <linux/platform_data/elm.h>
+#include <linux/omap-gpmc.h>
#include <linux/platform_data/mtd-nand-omap2.h>
#define DRIVER_NAME "omap2-nand"
@@ -168,7 +169,9 @@ struct omap_nand_info {
} iomode;
u_char *buf;
int buf_len;
+ /* Interface to GPMC */
struct gpmc_nand_regs reg;
+ struct gpmc_nand_ops *ops;
/* generated at runtime depending on ECC algorithm and layout selected */
struct nand_ecclayout oobinfo;
/* fields specific for BCHx_HW ECC scheme */
@@ -1665,9 +1668,13 @@ static int omap_nand_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, info);
+ info->ops = gpmc_omap_get_nand_ops(&info->reg, info->gpmc_cs);
+ if (!info->ops) {
+ dev_err(&pdev->dev, "Failed to get GPMC->NAND interface\n");
+ return -ENODEV;
+ }
info->pdev = pdev;
info->gpmc_cs = pdata->cs;
- info->reg = pdata->reg;
info->of_node = pdata->of_node;
info->ecc_opt = pdata->ecc_opt;
nand_chip = &info->nand;
diff --git a/include/linux/platform_data/mtd-nand-omap2.h b/include/linux/platform_data/mtd-nand-omap2.h
index 090bbab0130a..a067f581e938 100644
--- a/include/linux/platform_data/mtd-nand-omap2.h
+++ b/include/linux/platform_data/mtd-nand-omap2.h
@@ -75,10 +75,12 @@ struct omap_nand_platform_data {
enum nand_io xfer_type;
int devsize;
enum omap_ecc ecc_opt;
- struct gpmc_nand_regs reg;
/* for passing the partitions */
struct device_node *of_node;
struct device_node *elm_of_node;
+
+ /* deprecated */
+ struct gpmc_nand_regs reg;
};
#endif