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-rw-r--r--drivers/mtd/hyperbus/Kconfig4
-rw-r--r--drivers/mtd/maps/sa1100-flash.c1
-rw-r--r--drivers/mtd/nand/onenand/onenand_base.c1
-rw-r--r--drivers/mtd/nand/raw/nand_micron.c14
-rw-r--r--drivers/mtd/spi-nor/spi-nor.c5
5 files changed, 19 insertions, 6 deletions
diff --git a/drivers/mtd/hyperbus/Kconfig b/drivers/mtd/hyperbus/Kconfig
index cff6bbd226f5..a4d8968d133d 100644
--- a/drivers/mtd/hyperbus/Kconfig
+++ b/drivers/mtd/hyperbus/Kconfig
@@ -1,5 +1,6 @@
menuconfig MTD_HYPERBUS
tristate "HyperBus support"
+ depends on HAS_IOMEM
select MTD_CFI
select MTD_MAP_BANK_WIDTH_2
select MTD_CFI_AMDSTD
@@ -14,8 +15,9 @@ if MTD_HYPERBUS
config HBMC_AM654
tristate "HyperBus controller driver for AM65x SoC"
+ depends on ARM64 || COMPILE_TEST
select MULTIPLEXER
- select MUX_MMIO
+ imply MUX_MMIO
help
This is the driver for HyperBus controller on TI's AM65x and
other SoCs
diff --git a/drivers/mtd/maps/sa1100-flash.c b/drivers/mtd/maps/sa1100-flash.c
index 895510d40ce4..47602af4ee34 100644
--- a/drivers/mtd/maps/sa1100-flash.c
+++ b/drivers/mtd/maps/sa1100-flash.c
@@ -81,6 +81,7 @@ static int sa1100_probe_subdev(struct sa_subdev_info *subdev, struct resource *r
default:
printk(KERN_WARNING "SA1100 flash: unknown base address "
"0x%08lx, assuming CS0\n", phys);
+ /* Fall through */
case SA1100_CS0_PHYS:
subdev->map.bankwidth = (MSC0 & MSC_RBW) ? 2 : 4;
diff --git a/drivers/mtd/nand/onenand/onenand_base.c b/drivers/mtd/nand/onenand/onenand_base.c
index a1f8fe1abb10..e082d632fb74 100644
--- a/drivers/mtd/nand/onenand/onenand_base.c
+++ b/drivers/mtd/nand/onenand/onenand_base.c
@@ -3259,6 +3259,7 @@ static void onenand_check_features(struct mtd_info *mtd)
switch (density) {
case ONENAND_DEVICE_DENSITY_8Gb:
this->options |= ONENAND_HAS_NOP_1;
+ /* fall through */
case ONENAND_DEVICE_DENSITY_4Gb:
if (ONENAND_IS_DDP(this))
this->options |= ONENAND_HAS_2PLANE;
diff --git a/drivers/mtd/nand/raw/nand_micron.c b/drivers/mtd/nand/raw/nand_micron.c
index 1622d3145587..8ca9fad6e6ad 100644
--- a/drivers/mtd/nand/raw/nand_micron.c
+++ b/drivers/mtd/nand/raw/nand_micron.c
@@ -390,6 +390,14 @@ static int micron_supports_on_die_ecc(struct nand_chip *chip)
(chip->id.data[4] & MICRON_ID_INTERNAL_ECC_MASK) != 0x2)
return MICRON_ON_DIE_UNSUPPORTED;
+ /*
+ * It seems that there are devices which do not support ECC officially.
+ * At least the MT29F2G08ABAGA / MT29F2G08ABBGA devices supports
+ * enabling the ECC feature but don't reflect that to the READ_ID table.
+ * So we have to guarantee that we disable the ECC feature directly
+ * after we did the READ_ID table command. Later we can evaluate the
+ * ECC_ENABLE support.
+ */
ret = micron_nand_on_die_ecc_setup(chip, true);
if (ret)
return MICRON_ON_DIE_UNSUPPORTED;
@@ -398,13 +406,13 @@ static int micron_supports_on_die_ecc(struct nand_chip *chip)
if (ret)
return MICRON_ON_DIE_UNSUPPORTED;
- if (!(id[4] & MICRON_ID_ECC_ENABLED))
- return MICRON_ON_DIE_UNSUPPORTED;
-
ret = micron_nand_on_die_ecc_setup(chip, false);
if (ret)
return MICRON_ON_DIE_UNSUPPORTED;
+ if (!(id[4] & MICRON_ID_ECC_ENABLED))
+ return MICRON_ON_DIE_UNSUPPORTED;
+
ret = nand_readid_op(chip, 0, id, sizeof(id));
if (ret)
return MICRON_ON_DIE_UNSUPPORTED;
diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c
index 03cc788511d5..654bdc41fc99 100644
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
@@ -3780,8 +3780,6 @@ static int spi_nor_init_params(struct spi_nor *nor,
default:
/* Kept only for backward compatibility purpose. */
params->quad_enable = spansion_quad_enable;
- if (nor->clear_sr_bp)
- nor->clear_sr_bp = spi_nor_spansion_clear_sr_bp;
break;
}
@@ -4035,6 +4033,9 @@ static int spi_nor_init(struct spi_nor *nor)
int err;
if (nor->clear_sr_bp) {
+ if (nor->quad_enable == spansion_quad_enable)
+ nor->clear_sr_bp = spi_nor_spansion_clear_sr_bp;
+
err = nor->clear_sr_bp(nor);
if (err) {
dev_err(nor->dev,