From c50c69402ac24641da38c146796c199387b97f8d Mon Sep 17 00:00:00 2001 From: Huang Shijie Date: Tue, 3 Jul 2012 16:24:32 +0800 Subject: [PATCH] mtd: gpmi: add on-flash BBT support for gpmi nand add the on flash bbt support for gpmi nand driver. Signed-off-by: Huang Shijie Signed-off-by: Artem Bityutskiy Signed-off-by: David Woodhouse --- Documentation/devicetree/bindings/mtd/gpmi-nand.txt | 4 ++++ drivers/mtd/nand/gpmi-nand/gpmi-nand.c | 3 +++ 2 files changed, 7 insertions(+) diff --git a/Documentation/devicetree/bindings/mtd/gpmi-nand.txt b/Documentation/devicetree/bindings/mtd/gpmi-nand.txt index 1a5bbd346d22..3fb3f9015365 100644 --- a/Documentation/devicetree/bindings/mtd/gpmi-nand.txt +++ b/Documentation/devicetree/bindings/mtd/gpmi-nand.txt @@ -12,6 +12,10 @@ Required properties: - interrupt-names : The interrupt names "gpmi-dma", "bch"; - fsl,gpmi-dma-channel : Should contain the dma channel it uses. +Optional properties: + - nand-on-flash-bbt: boolean to enable on flash bbt option if not + present false + The device tree may optionally contain sub-nodes describing partitions of the address space. See partition.txt for more detail. diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c index d6fa8f4779ce..5d9796acc49a 100644 --- a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c +++ b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c @@ -27,6 +27,7 @@ #include #include #include +#include #include "gpmi-nand.h" /* add our owner bbt descriptor */ @@ -1502,6 +1503,8 @@ static int __devinit gpmi_nfc_init(struct gpmi_nand_data *this) chip->ecc.size = 1; chip->ecc.strength = 8; chip->ecc.layout = &gpmi_hw_ecclayout; + if (of_get_nand_on_flash_bbt(this->dev->of_node)) + chip->bbt_options |= NAND_BBT_USE_FLASH | NAND_BBT_NO_OOB; /* Allocate a temporary DMA buffer for reading ID in the nand_scan() */ this->bch_geometry.payload_size = 1024; -- 2.20.1