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mtd: atmel_nand: don't map the ROM table if no pmecc table offset in DT

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if atmel,pmecc-lookup-table-offset is not found in DT node, we don't
need to map the ROM table as we will build a runtime gf table anyway.

Reported-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Josh Wu <josh.wu@atmel.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
This commit is contained in:
Wu, Josh 2015-04-02 14:13:47 +08:00 committed by Brian Norris
parent 477478aedc
commit 41c7540d0c
1 changed files with 7 additions and 7 deletions
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14
drivers/mtd/nand/atmel_nand.c
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@ -1204,14 +1204,14 @@ static int atmel_pmecc_nand_init_params(struct platform_device *pdev,
goto err; goto err;
} }
regs_rom = platform_get_resource(pdev, IORESOURCE_MEM, 3); if (!host->has_no_lookup_table) {
host->pmecc_rom_base = devm_ioremap_resource(&pdev->dev, regs_rom); regs_rom = platform_get_resource(pdev, IORESOURCE_MEM, 3);
if (IS_ERR(host->pmecc_rom_base)) { host->pmecc_rom_base = devm_ioremap_resource(&pdev->dev,
if (!host->has_no_lookup_table) regs_rom);
/* Don't display the information again */ if (IS_ERR(host->pmecc_rom_base)) {
dev_err(host->dev, "Can not get I/O resource for ROM, will build a lookup table in runtime!\n"); dev_err(host->dev, "Can not get I/O resource for ROM, will build a lookup table in runtime!\n");
host->has_no_lookup_table = true;
host->has_no_lookup_table = true; }
} }
if (host->has_no_lookup_table) { if (host->has_no_lookup_table) {