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

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Gitweb:     http://git.infradead.org/?p=mtd-2.6.git;a=commit;h=41c7540d0c4e362212845aa2258c15aaa878665f
Commit:     41c7540d0c4e362212845aa2258c15aaa878665f
Parent:     477478aedc8bdf1925785835609bc7e790f69aef
Author:     Wu, Josh <Josh.wu at atmel.com>
AuthorDate: Thu Apr 2 14:13:47 2015 +0800
Committer:  Brian Norris <computersforpeace at gmail.com>
CommitDate: Sun Apr 5 17:47:56 2015 -0700

    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: Nicolas Ferre <nicolas.ferre at atmel.com>
    Signed-off-by: Josh Wu <josh.wu at atmel.com>
    Acked-by: Nicolas Ferre <nicolas.ferre at atmel.com>
    Signed-off-by: Brian Norris <computersforpeace at gmail.com>
---
 drivers/mtd/nand/atmel_nand.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/mtd/nand/atmel_nand.c b/drivers/mtd/nand/atmel_nand.c
index 0361c19..46010bd 100644
--- a/drivers/mtd/nand/atmel_nand.c
+++ b/drivers/mtd/nand/atmel_nand.c
@@ -1204,14 +1204,14 @@ static int atmel_pmecc_nand_init_params(struct platform_device *pdev,
 		goto err;
 	}
 
-	regs_rom = platform_get_resource(pdev, IORESOURCE_MEM, 3);
-	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 */
+	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);
+		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");
-
-		host->has_no_lookup_table = true;
+			host->has_no_lookup_table = true;
+		}
 	}
 
 	if (host->has_no_lookup_table) {