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authorBrian Norris <computersforpeace@gmail.com>2015-10-31 06:33:25 +0300
committerBrian Norris <computersforpeace@gmail.com>2015-11-12 00:58:45 +0300
commita61ae81a1907af1987ad4c77300508327bc48b23 (patch)
treed773d64c44c5fbfcc5eae47bca3c5f519c98833e /drivers/mtd/nand/pxa3xx_nand.c
parent9c7d787508be6d68a6ec66de3c3466b24e820c71 (diff)
downloadlinux-a61ae81a1907af1987ad4c77300508327bc48b23.tar.xz
mtd: nand: drop unnecessary partition parser data
All of these drivers set up a parser data struct just to communicate DT partition data. This field has been deprecated and is instead supported by telling nand_scan_ident() about the 'flash_node'. This patch: * sets chip->flash_node for those drivers that didn't already (but used OF partitioning) * drops the parser data * switches to the simpler mtd_device_register() where possible, now that we've eliminated one of the auxiliary parameters Now that we've assigned chip->flash_node for these drivers, we can probably rely on nand_dt_init() to do more of the DT parsing for us, but for now, I don't want to fiddle with each of these drivers. The parsing is done in duplicate for now on some drivers. I don't think this should break things. (Famous last words.) (Rolled in some changes by Boris Brezillon) Signed-off-by: Brian Norris <computersforpeace@gmail.com> Reviewed-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Diffstat (limited to 'drivers/mtd/nand/pxa3xx_nand.c')
-rw-r--r--drivers/mtd/nand/pxa3xx_nand.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c
index e453ae9a17fa..37df51df422e 100644
--- a/drivers/mtd/nand/pxa3xx_nand.c
+++ b/drivers/mtd/nand/pxa3xx_nand.c
@@ -1697,6 +1697,7 @@ KEEP_CONFIG:
static int alloc_nand_resource(struct platform_device *pdev)
{
+ struct device_node *np = pdev->dev.of_node;
struct pxa3xx_nand_platform_data *pdata;
struct pxa3xx_nand_info *info;
struct pxa3xx_nand_host *host;
@@ -1725,6 +1726,8 @@ static int alloc_nand_resource(struct platform_device *pdev)
host->info_data = info;
mtd->priv = host;
mtd->dev.parent = &pdev->dev;
+ /* FIXME: all chips use the same device tree partitions */
+ nand_set_flash_node(chip, np);
chip->ecc.read_page = pxa3xx_nand_read_page_hwecc;
chip->ecc.write_page = pxa3xx_nand_write_page_hwecc;
@@ -1886,7 +1889,6 @@ static int pxa3xx_nand_probe_dt(struct platform_device *pdev)
static int pxa3xx_nand_probe(struct platform_device *pdev)
{
struct pxa3xx_nand_platform_data *pdata;
- struct mtd_part_parser_data ppdata = {};
struct pxa3xx_nand_info *info;
int ret, cs, probe_success, dma_available;
@@ -1933,10 +1935,8 @@ static int pxa3xx_nand_probe(struct platform_device *pdev)
continue;
}
- ppdata.of_node = pdev->dev.of_node;
- ret = mtd_device_parse_register(mtd, NULL,
- &ppdata, pdata->parts[cs],
- pdata->nr_parts[cs]);
+ ret = mtd_device_register(mtd, pdata->parts[cs],
+ pdata->nr_parts[cs]);
if (!ret)
probe_success = 1;
}