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mtd: nand: omap2: rely on generic DT parsing done in nand_scan_ident() 

The core now takes care of parsing generic DT properties in
nand_scan_ident() when nand_set_flash_node() has been called.
Rely on this initialization instead of calling of_get_nand_xxx()
manually.

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Acked-by: Roger Quadros <rogerq@ti.com>
Tested-by: Franklin S Cooper Jr. <fcooper@ti.com>
This commit is contained in:
Boris Brezillon 2016-04-19 20:29:58 +02:00
parent 24d990e237
commit f679888f29
2 changed files with 9 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/memory/omap-gpmc.c
View File

@ -27,7 +27,6 @@
#include <linux/platform_device.h>
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/of_mtd.h>
#include <linux/of_device.h>
#include <linux/of_platform.h>
#include <linux/omap-gpmc.h>
@ -2066,7 +2065,8 @@ static int gpmc_probe_generic_child(struct platform_device *pdev,
if (of_device_is_compatible(child, "ti,omap2-nand")) {
/* NAND specific setup */
val = of_get_nand_bus_width(child);
val = 8;
of_property_read_u32(child, "nand-bus-width", &val);
switch (val) {
case 8:
gpmc_s.device_width = GPMC_DEVWIDTH_8BIT;

18
drivers/mtd/nand/omap2.c
View File

@ -25,7 +25,6 @@
#include <linux/slab.h>
#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/of_mtd.h>
#include <linux/mtd/nand_bch.h>
#include <linux/platform_data/elm.h>
@ -1701,7 +1700,7 @@ static int omap_get_dt_info(struct device *dev, struct omap_nand_info *info)
for (i = 0; i < ARRAY_SIZE(nand_xfer_types); i++) {
if (!strcasecmp(s, nand_xfer_types[i])) {
info->xfer_type = i;
goto next;
return 0;
}
}
@ -1709,12 +1708,6 @@ static int omap_get_dt_info(struct device *dev, struct omap_nand_info *info)
return -EINVAL;
}
next:
of_get_nand_on_flash_bbt(child);
if (of_get_nand_bus_width(child) == 16)
info->devsize = NAND_BUSWIDTH_16;
return 0;
}
@ -1810,9 +1803,7 @@ static int omap_nand_probe(struct platform_device *pdev)
}
if (info->flash_bbt)
nand_chip->bbt_options |= NAND_BBT_USE_FLASH | NAND_BBT_NO_OOB;
else
nand_chip->options |= NAND_SKIP_BBTSCAN;
nand_chip->bbt_options |= NAND_BBT_USE_FLASH;
/* scan NAND device connected to chip controller */
nand_chip->options |= info->devsize & NAND_BUSWIDTH_16;
@ -1823,6 +1814,11 @@ static int omap_nand_probe(struct platform_device *pdev)
goto return_error;
}
if (nand_chip->bbt_options & NAND_BBT_USE_FLASH)
nand_chip->bbt_options |= NAND_BBT_NO_OOB;
else
nand_chip->options |= NAND_SKIP_BBTSCAN;
/* re-populate low-level callbacks based on xfer modes */
switch (info->xfer_type) {
case NAND_OMAP_PREFETCH_POLLED: