2024-03-06 04:16:35

by Kyeongrho.Kim

[permalink] [raw]
Subject: [PATCH 2/2] SPI Nand Patch code for SkyHigh Momory

---
drivers/mtd/nand/spi/Makefile | 2 +-
drivers/mtd/nand/spi/skyhigh.c | 57 ++++++----------------------------
2 files changed, 11 insertions(+), 48 deletions(-)

diff --git a/drivers/mtd/nand/spi/Makefile b/drivers/mtd/nand/spi/Makefile
index 48b429d90460..1e61ab21893a 100755
--- a/drivers/mtd/nand/spi/Makefile
+++ b/drivers/mtd/nand/spi/Makefile
@@ -1,4 +1,4 @@
# SPDX-License-Identifier: GPL-2.0
spinand-objs := core.o alliancememory.o ato.o esmt.o foresee.o gigadevice.o macronix.o
-spinand-objs += micron.o paragon.o toshiba.o winbond.o xtx.o skyhigh.o
+spinand-objs += micron.o paragon.o skyhigh.o toshiba.o winbond.o xtx.o
obj-$(CONFIG_MTD_SPI_NAND) += spinand.o
diff --git a/drivers/mtd/nand/spi/skyhigh.c b/drivers/mtd/nand/spi/skyhigh.c
index 71de4fa34406..dd348849216d 100644
--- a/drivers/mtd/nand/spi/skyhigh.c
+++ b/drivers/mtd/nand/spi/skyhigh.c
@@ -12,8 +12,8 @@
#define SPINAND_MFR_SKYHIGH 0x01

#define SKYHIGH_STATUS_ECC_1TO2_BITFLIPS (1 << 4)
-#define SKYHIGH_STATUS_ECC_3TO4_BITFLIPS (2 << 4)
-#define SKYHIGH_STATUS_ECC_5TO6_BITFLIPS (3 << 4)
+#define SKYHIGH_STATUS_ECC_3TO6_BITFLIPS (2 << 4)
+#define SKYHIGH_STATUS_ECC_UNCOR_ERROR (3 << 4)

#define SKYHIGH_CONFIG_PROTECT_EN BIT(1)

@@ -62,49 +62,15 @@ static const struct mtd_ooblayout_ops skyhigh_spinand_ooblayout = {
.free = skyhigh_spinand_ooblayout_free,
};

-#if 0
-bool skyhigh_spinand_isbad(struct spinand_device *spinand,
- const struct nand_pos *pos)
-{
- u8 marker;
- struct nand_page_io_req req = {
- .pos = *pos,
- .ooblen = 1,
- .ooboffs = 0,
- .oobbuf.in = &marker,
- .mode = MTD_OPS_RAW,
- };
-
- req.pos.page = 0;
- spinand_read_page(spinand, &req);
- if (marker != 0xff)
- return true;
-
-#if 0
- req.pos.page = 1;
- spinand_read_page(spinand, &req);
- if (marker != 0xff)
- return true;
-
- req.pos.page = 63;
- spinand_read_page(spinand, &req);
- if (marker != 0xff)
- return true;
-#endif
-
- return false;
-}
-#endif
-
static int skyhigh_spinand_ecc_get_status(struct spinand_device *spinand,
u8 status)
{
/* SHM
- 00 : No bit-flip
- 01 : 1-2 errors corrected
- 10 : 3-6 errors corrected
- 11 : uncorrectable
- */
+ * 00 : No bit-flip
+ * 01 : 1-2 errors corrected
+ * 10 : 3-6 errors corrected
+ * 11 : uncorrectable
+ */

switch (status & STATUS_ECC_MASK) {
case STATUS_ECC_NO_BITFLIPS:
@@ -113,12 +79,10 @@ static int skyhigh_spinand_ecc_get_status(struct spinand_device *spinand,
case SKYHIGH_STATUS_ECC_1TO2_BITFLIPS:
return 2;

- /* change from 4 to 6 */
- case SKYHIGH_STATUS_ECC_3TO4_BITFLIPS:
+ case SKYHIGH_STATUS_ECC_3TO6_BITFLIPS:
return 6;

- /* uncorrectable for '11' */
- case SKYHIGH_STATUS_ECC_5TO6_BITFLIPS:
+ case SKYHIGH_STATUS_ECC_UNCOR_ERROR:
return -EBADMSG;;

default:
@@ -179,8 +143,7 @@ static int skyhigh_spinand_init(struct spinand_device *spinand)

static const struct spinand_manufacturer_ops skyhigh_spinand_manuf_ops = {
.init = skyhigh_spinand_init,
-/* .isbad = skyhigh_spinand_isbad,*/
-};
+ };

const struct spinand_manufacturer skyhigh_spinand_manufacturer = {
.id = SPINAND_MFR_SKYHIGH,
--
2.34.1



2024-03-06 08:07:54

by Miquel Raynal

[permalink] [raw]
Subject: Re: [PATCH 2/2] SPI Nand Patch code for SkyHigh Momory

Hello,

The subject tag is wrong (v2), the prefix is wrong, you are missing
the commit message, there is no Signed-off-by, and you sent a diff with
your v1 rather than a full patch.

You should probably try sending these using --dry-run and
--suppress-cc=all while you are working on your series :)

Thanks,
Miquèl

[email protected] wrote on Wed, 6 Mar 2024 13:15:32 +0900:

> ---
> drivers/mtd/nand/spi/Makefile | 2 +-
> drivers/mtd/nand/spi/skyhigh.c | 57 ++++++----------------------------
> 2 files changed, 11 insertions(+), 48 deletions(-)
>
> diff --git a/drivers/mtd/nand/spi/Makefile b/drivers/mtd/nand/spi/Makefile
> index 48b429d90460..1e61ab21893a 100755
> --- a/drivers/mtd/nand/spi/Makefile
> +++ b/drivers/mtd/nand/spi/Makefile
> @@ -1,4 +1,4 @@
> # SPDX-License-Identifier: GPL-2.0
> spinand-objs := core.o alliancememory.o ato.o esmt.o foresee.o gigadevice.o macronix.o
> -spinand-objs += micron.o paragon.o toshiba.o winbond.o xtx.o skyhigh.o
> +spinand-objs += micron.o paragon.o skyhigh.o toshiba.o winbond.o xtx.o
> obj-$(CONFIG_MTD_SPI_NAND) += spinand.o
> diff --git a/drivers/mtd/nand/spi/skyhigh.c b/drivers/mtd/nand/spi/skyhigh.c
> index 71de4fa34406..dd348849216d 100644
> --- a/drivers/mtd/nand/spi/skyhigh.c
> +++ b/drivers/mtd/nand/spi/skyhigh.c
> @@ -12,8 +12,8 @@
> #define SPINAND_MFR_SKYHIGH 0x01
>
> #define SKYHIGH_STATUS_ECC_1TO2_BITFLIPS (1 << 4)
> -#define SKYHIGH_STATUS_ECC_3TO4_BITFLIPS (2 << 4)
> -#define SKYHIGH_STATUS_ECC_5TO6_BITFLIPS (3 << 4)
> +#define SKYHIGH_STATUS_ECC_3TO6_BITFLIPS (2 << 4)
> +#define SKYHIGH_STATUS_ECC_UNCOR_ERROR (3 << 4)
>
> #define SKYHIGH_CONFIG_PROTECT_EN BIT(1)
>
> @@ -62,49 +62,15 @@ static const struct mtd_ooblayout_ops skyhigh_spinand_ooblayout = {
> .free = skyhigh_spinand_ooblayout_free,
> };
>
> -#if 0
> -bool skyhigh_spinand_isbad(struct spinand_device *spinand,
> - const struct nand_pos *pos)
> -{
> - u8 marker;
> - struct nand_page_io_req req = {
> - .pos = *pos,
> - .ooblen = 1,
> - .ooboffs = 0,
> - .oobbuf.in = &marker,
> - .mode = MTD_OPS_RAW,
> - };
> -
> - req.pos.page = 0;
> - spinand_read_page(spinand, &req);
> - if (marker != 0xff)
> - return true;
> -
> -#if 0
> - req.pos.page = 1;
> - spinand_read_page(spinand, &req);
> - if (marker != 0xff)
> - return true;
> -
> - req.pos.page = 63;
> - spinand_read_page(spinand, &req);
> - if (marker != 0xff)
> - return true;
> -#endif
> -
> - return false;
> -}
> -#endif
> -
> static int skyhigh_spinand_ecc_get_status(struct spinand_device *spinand,
> u8 status)
> {
> /* SHM
> - 00 : No bit-flip
> - 01 : 1-2 errors corrected
> - 10 : 3-6 errors corrected
> - 11 : uncorrectable
> - */
> + * 00 : No bit-flip
> + * 01 : 1-2 errors corrected
> + * 10 : 3-6 errors corrected
> + * 11 : uncorrectable
> + */
>
> switch (status & STATUS_ECC_MASK) {
> case STATUS_ECC_NO_BITFLIPS:
> @@ -113,12 +79,10 @@ static int skyhigh_spinand_ecc_get_status(struct spinand_device *spinand,
> case SKYHIGH_STATUS_ECC_1TO2_BITFLIPS:
> return 2;
>
> - /* change from 4 to 6 */
> - case SKYHIGH_STATUS_ECC_3TO4_BITFLIPS:
> + case SKYHIGH_STATUS_ECC_3TO6_BITFLIPS:
> return 6;
>
> - /* uncorrectable for '11' */
> - case SKYHIGH_STATUS_ECC_5TO6_BITFLIPS:
> + case SKYHIGH_STATUS_ECC_UNCOR_ERROR:
> return -EBADMSG;;
>
> default:
> @@ -179,8 +143,7 @@ static int skyhigh_spinand_init(struct spinand_device *spinand)
>
> static const struct spinand_manufacturer_ops skyhigh_spinand_manuf_ops = {
> .init = skyhigh_spinand_init,
> -/* .isbad = skyhigh_spinand_isbad,*/
> -};
> + };
>
> const struct spinand_manufacturer skyhigh_spinand_manufacturer = {
> .id = SPINAND_MFR_SKYHIGH,


2024-03-06 08:11:04

by Chuanhong Guo

[permalink] [raw]
Subject: Re: [PATCH 2/2] SPI Nand Patch code for SkyHigh Momory

Hello!

On Wed, Mar 6, 2024 at 12:16 PM KR Kim <[email protected]> wrote:
>
> ---
> drivers/mtd/nand/spi/Makefile | 2 +-
> drivers/mtd/nand/spi/skyhigh.c | 57 ++++++----------------------------
> 2 files changed, 11 insertions(+), 48 deletions(-)

You should send an updated version of your original patch with
requested changes, not a new patch on top of your original one.
And your current patch is missing a proper title and commit message.

I believe there are multiple docs and tutorials online for submitting
patches to the Linux kernel, for example this one:

https://www.kernel.org/doc/html/latest/process/submitting-patches.html

Read through the docs first before submitting your changes.

--
Regards,
Chuanhong Guo