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mtd: nand: omap: Copy platform data parameters to omap_nand_info data 

Copy all the platform data parameters to the driver's local data
structure 'omap_nand_info' and use it in the entire driver. This will
make it easer for device tree migration.

Signed-off-by: Roger Quadros <rogerq@ti.com>
Acked-by: Brian Norris <computersforpeace@gmail.com>
Acked-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Roger Quadros 2014-05-20 22:29:28 +03:00
parent d6e552168d
commit 01b95fc6b2
1 changed files with 18 additions and 8 deletions
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26
drivers/mtd/nand/omap2.c
View File

@ -152,13 +152,17 @@ static struct nand_hw_control omap_gpmc_controller = {
};
struct omap_nand_info {
struct omap_nand_platform_data *pdata;
struct nand_chip nand;
struct platform_device *pdev;
int gpmc_cs;
unsigned long phys_base;
bool dev_ready;
enum nand_io xfer_type;
int devsize;
enum omap_ecc ecc_opt;
struct device_node *elm_of_node;
unsigned long phys_base;
struct completion comp;
struct dma_chan *dma;
int gpmc_irq_fifo;
@ -1631,7 +1635,7 @@ static bool omap2_nand_ecc_check(struct omap_nand_info *info,
"CONFIG_MTD_NAND_OMAP_BCH not enabled\n");
return false;
}
if (ecc_needs_elm && !is_elm_present(info, pdata->elm_of_node)) {
if (ecc_needs_elm && !is_elm_present(info, info->elm_of_node)) {
dev_err(&info->pdev->dev, "ELM not available\n");
return false;
}
@ -1675,6 +1679,11 @@ static int omap_nand_probe(struct platform_device *pdev)
info->gpmc_cs = pdata->cs;
info->of_node = pdata->of_node;
info->ecc_opt = pdata->ecc_opt;
info->dev_ready = pdata->dev_ready;
info->xfer_type = pdata->xfer_type;
info->devsize = pdata->devsize;
info->elm_of_node = pdata->elm_of_node;
nand_chip = &info->nand;
mtd = nand_to_mtd(nand_chip);
mtd->dev.parent = &pdev->dev;
@ -1700,7 +1709,7 @@ static int omap_nand_probe(struct platform_device *pdev)
* chip delay which is slightly more than tR (AC Timing) of the NAND
* device and read status register until you get a failure or success
*/
if (pdata->dev_ready) {
if (info->dev_ready) {
nand_chip->dev_ready = omap_dev_ready;
nand_chip->chip_delay = 0;
} else {
@ -1714,15 +1723,16 @@ static int omap_nand_probe(struct platform_device *pdev)
nand_chip->options |= NAND_SKIP_BBTSCAN;
/* scan NAND device connected to chip controller */
nand_chip->options |= pdata->devsize & NAND_BUSWIDTH_16;
nand_chip->options |= info->devsize & NAND_BUSWIDTH_16;
if (nand_scan_ident(mtd, 1, NULL)) {
dev_err(&info->pdev->dev, "scan failed, may be bus-width mismatch\n");
dev_err(&info->pdev->dev,
"scan failed, may be bus-width mismatch\n");
err = -ENXIO;
goto return_error;
}
/* re-populate low-level callbacks based on xfer modes */
switch (pdata->xfer_type) {
switch (info->xfer_type) {
case NAND_OMAP_PREFETCH_POLLED:
nand_chip->read_buf = omap_read_buf_pref;
nand_chip->write_buf = omap_write_buf_pref;
@ -1802,7 +1812,7 @@ static int omap_nand_probe(struct platform_device *pdev)
default:
dev_err(&pdev->dev,
"xfer_type(%d) not supported!\n", pdata->xfer_type);
"xfer_type(%d) not supported!\n", info->xfer_type);
err = -EINVAL;
goto return_error;
}