* [PATCH v2] mtd/gpmi : add BBT support to gpmi nand driver
@ 2012-01-31 10:38 ` Huang Shijie
0 siblings, 0 replies; 4+ messages in thread
From: Huang Shijie @ 2012-01-31 10:38 UTC (permalink / raw)
To: artem.bityutskiy
Cc: marek.vasut, linux-mtd, w.sang, linux-arm-kernel, Huang Shijie
Add a new field to gpmi_nand_platform_data{}.
Make the BBT support to board specific.
Signed-off-by: Huang Shijie <b32955@freescale.com>
---
drivers/mtd/nand/gpmi-nand/gpmi-nand.c | 2 ++
include/linux/mtd/gpmi-nand.h | 2 ++
2 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
index 493ec2f..4d369df 100644
--- a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
+++ b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
@@ -1493,6 +1493,8 @@ static int __devinit gpmi_nfc_init(struct gpmi_nand_data *this)
chip->ecc.mode = NAND_ECC_HW;
chip->ecc.size = 1;
chip->ecc.layout = &gpmi_hw_ecclayout;
+ if (pdata->enable_bbt)
+ 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;
diff --git a/include/linux/mtd/gpmi-nand.h b/include/linux/mtd/gpmi-nand.h
index 69b6dbf..12078c9 100644
--- a/include/linux/mtd/gpmi-nand.h
+++ b/include/linux/mtd/gpmi-nand.h
@@ -51,6 +51,7 @@
* @partitions: An optional pointer to an array of partition
* descriptions.
* @partition_count: The number of elements in the partitions array.
+ * @enable_bbt: Enable the BBT or not.
*/
struct gpmi_nand_platform_data {
/* SoC hardware information. */
@@ -64,5 +65,6 @@ struct gpmi_nand_platform_data {
/* Medium information. */
struct mtd_partition *partitions;
unsigned partition_count;
+ int enable_bbt;
};
#endif
--
1.7.0.4
^ permalink raw reply related [flat|nested] 4+ messages in thread
* [PATCH v2] mtd/gpmi : add BBT support to gpmi nand driver
@ 2012-01-31 10:38 ` Huang Shijie
0 siblings, 0 replies; 4+ messages in thread
From: Huang Shijie @ 2012-01-31 10:38 UTC (permalink / raw)
To: linux-arm-kernel
Add a new field to gpmi_nand_platform_data{}.
Make the BBT support to board specific.
Signed-off-by: Huang Shijie <b32955@freescale.com>
---
drivers/mtd/nand/gpmi-nand/gpmi-nand.c | 2 ++
include/linux/mtd/gpmi-nand.h | 2 ++
2 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
index 493ec2f..4d369df 100644
--- a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
+++ b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
@@ -1493,6 +1493,8 @@ static int __devinit gpmi_nfc_init(struct gpmi_nand_data *this)
chip->ecc.mode = NAND_ECC_HW;
chip->ecc.size = 1;
chip->ecc.layout = &gpmi_hw_ecclayout;
+ if (pdata->enable_bbt)
+ 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;
diff --git a/include/linux/mtd/gpmi-nand.h b/include/linux/mtd/gpmi-nand.h
index 69b6dbf..12078c9 100644
--- a/include/linux/mtd/gpmi-nand.h
+++ b/include/linux/mtd/gpmi-nand.h
@@ -51,6 +51,7 @@
* @partitions: An optional pointer to an array of partition
* descriptions.
* @partition_count: The number of elements in the partitions array.
+ * @enable_bbt: Enable the BBT or not.
*/
struct gpmi_nand_platform_data {
/* SoC hardware information. */
@@ -64,5 +65,6 @@ struct gpmi_nand_platform_data {
/* Medium information. */
struct mtd_partition *partitions;
unsigned partition_count;
+ int enable_bbt;
};
#endif
--
1.7.0.4
^ permalink raw reply related [flat|nested] 4+ messages in thread
* Re: [PATCH v2] mtd/gpmi : add BBT support to gpmi nand driver
2012-01-31 10:38 ` Huang Shijie
@ 2012-01-31 10:51 ` Wolfram Sang
-1 siblings, 0 replies; 4+ messages in thread
From: Wolfram Sang @ 2012-01-31 10:51 UTC (permalink / raw)
To: Huang Shijie; +Cc: marek.vasut, artem.bityutskiy, linux-mtd, linux-arm-kernel
[-- Attachment #1: Type: text/plain, Size: 607 bytes --]
On Tue, Jan 31, 2012 at 06:38:23PM +0800, Huang Shijie wrote:
> Add a new field to gpmi_nand_platform_data{}.
> Make the BBT support to board specific.
>
> Signed-off-by: Huang Shijie <b32955@freescale.com>
Much better :)
> @@ -64,5 +65,6 @@ struct gpmi_nand_platform_data {
> /* Medium information. */
> struct mtd_partition *partitions;
> unsigned partition_count;
> + int enable_bbt;
Bitfield? (check imx for example)
--
Pengutronix e.K. | Wolfram Sang |
Industrial Linux Solutions | http://www.pengutronix.de/ |
[-- Attachment #2: Digital signature --]
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^ permalink raw reply [flat|nested] 4+ messages in thread
* [PATCH v2] mtd/gpmi : add BBT support to gpmi nand driver
@ 2012-01-31 10:51 ` Wolfram Sang
0 siblings, 0 replies; 4+ messages in thread
From: Wolfram Sang @ 2012-01-31 10:51 UTC (permalink / raw)
To: linux-arm-kernel
On Tue, Jan 31, 2012 at 06:38:23PM +0800, Huang Shijie wrote:
> Add a new field to gpmi_nand_platform_data{}.
> Make the BBT support to board specific.
>
> Signed-off-by: Huang Shijie <b32955@freescale.com>
Much better :)
> @@ -64,5 +65,6 @@ struct gpmi_nand_platform_data {
> /* Medium information. */
> struct mtd_partition *partitions;
> unsigned partition_count;
> + int enable_bbt;
Bitfield? (check imx for example)
--
Pengutronix e.K. | Wolfram Sang |
Industrial Linux Solutions | http://www.pengutronix.de/ |
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Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
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2012-01-31 10:38 [PATCH v2] mtd/gpmi : add BBT support to gpmi nand driver Huang Shijie
2012-01-31 10:38 ` Huang Shijie
2012-01-31 10:51 ` Wolfram Sang
2012-01-31 10:51 ` Wolfram Sang
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