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@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>

1 files changed, 7 insertions, 7 deletions

diff --git a/drivers/mtd/nand/atmel_nand.c b/drivers/mtd/nand/atmel_nand.c
index 0361c1992673..46010bd895b1 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) {