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Commit 41c7540d authored by Wu, Josh's avatar Wu, Josh Committed by Brian Norris
Browse files

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



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: default avatarNicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: default avatarJosh Wu <josh.wu@atmel.com>
Acked-by: default avatarNicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: default avatarBrian Norris <computersforpeace@gmail.com>
parent 477478ae

drivers/mtd/nand/atmel_nand.c

+7 −7
Original line number Diff line number Diff line
@@ -1204,15 +1204,15 @@ static int atmel_pmecc_nand_init_params(struct platform_device *pdev, 
		goto err;

	}



	if (!host->has_no_lookup_table) {

		regs_rom = platform_get_resource(pdev, IORESOURCE_MEM, 3);

	host->pmecc_rom_base = devm_ioremap_resource(&pdev->dev, regs_rom);

		host->pmecc_rom_base = devm_ioremap_resource(&pdev->dev,

								regs_rom);

		if (IS_ERR(host->pmecc_rom_base)) {

		if (!host->has_no_lookup_table)

			/* Don't display the information again */

			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;

		}

	}



	if (host->has_no_lookup_table) {

		/* Build the look-up table in runtime */