[PATCH v5 1/2] spi: Replace -ENOTSUPP with -EOPNOTSUPP in op checking

[AceLan Kao]

From: "Chia-Lin Kao (AceLan)" <acelan.kao at canonical.com>

No functional changes are introduced by this patch; it's a code cleanup
to use the correct error code.

Signed-off-by: Chia-Lin Kao (AceLan) <acelan.kao at canonical.com>

---
v5. distinguish -EOPNOTSUPP from -ENOTSUPP
---
 drivers/mtd/nand/spi/core.c | 2 +-
 drivers/spi/atmel-quadspi.c | 2 +-
 drivers/spi/spi-ath79.c     | 2 +-
 drivers/spi/spi-bcm-qspi.c  | 2 +-
 drivers/spi/spi-mem.c       | 6 +++---
 drivers/spi/spi-npcm-fiu.c  | 2 +-
 drivers/spi/spi-ti-qspi.c   | 4 ++--
 drivers/spi/spi-wpcm-fiu.c  | 2 +-
 8 files changed, 11 insertions(+), 11 deletions(-)

diff --git a/drivers/mtd/nand/spi/core.c b/drivers/mtd/nand/spi/core.c
index 393ff37f0d23..d1df5cd401cf 100644
--- a/drivers/mtd/nand/spi/core.c
+++ b/drivers/mtd/nand/spi/core.c
@@ -973,7 +973,7 @@ static int spinand_manufacturer_match(struct spinand_device *spinand,
 		spinand->manufacturer = manufacturer;
 		return 0;
 	}
-	return -ENOTSUPP;
+	return -EOPNOTSUPP;
 }
 
 static int spinand_id_detect(struct spinand_device *spinand)
diff --git a/drivers/spi/atmel-quadspi.c b/drivers/spi/atmel-quadspi.c
index 3d1252566134..370c4d1572ed 100644
--- a/drivers/spi/atmel-quadspi.c
+++ b/drivers/spi/atmel-quadspi.c
@@ -272,7 +272,7 @@ static int atmel_qspi_find_mode(const struct spi_mem_op *op)
 		if (atmel_qspi_is_compatible(op, &atmel_qspi_modes[i]))
 			return i;
 
-	return -ENOTSUPP;
+	return -EOPNOTSUPP;
 }
 
 static bool atmel_qspi_supports_op(struct spi_mem *mem,
diff --git a/drivers/spi/spi-ath79.c b/drivers/spi/spi-ath79.c
index c9f1d1e1dcf7..b7ada981464a 100644
--- a/drivers/spi/spi-ath79.c
+++ b/drivers/spi/spi-ath79.c
@@ -146,7 +146,7 @@ static int ath79_exec_mem_op(struct spi_mem *mem,
 	/* Only use for fast-read op. */
 	if (op->cmd.opcode != 0x0b || op->data.dir != SPI_MEM_DATA_IN ||
 	    op->addr.nbytes != 3 || op->dummy.nbytes != 1)
-		return -ENOTSUPP;
+		return -EOPNOTSUPP;
 
 	/* disable GPIO mode */
 	ath79_spi_wr(sp, AR71XX_SPI_REG_FS, 0);
diff --git a/drivers/spi/spi-bcm-qspi.c b/drivers/spi/spi-bcm-qspi.c
index ef08fcac2f6d..d96222e6d7d2 100644
--- a/drivers/spi/spi-bcm-qspi.c
+++ b/drivers/spi/spi-bcm-qspi.c
@@ -1199,7 +1199,7 @@ static int bcm_qspi_exec_mem_op(struct spi_mem *mem,
 
 	if (!op->data.nbytes || !op->addr.nbytes || op->addr.nbytes > 4 ||
 	    op->data.dir != SPI_MEM_DATA_IN)
-		return -ENOTSUPP;
+		return -EOPNOTSUPP;
 
 	buf = op->data.buf.in;
 	addr = op->addr.val;
diff --git a/drivers/spi/spi-mem.c b/drivers/spi/spi-mem.c
index edd7430d4c05..2dc8ceb85374 100644
--- a/drivers/spi/spi-mem.c
+++ b/drivers/spi/spi-mem.c
@@ -323,7 +323,7 @@ int spi_mem_exec_op(struct spi_mem *mem, const struct spi_mem_op *op)
 		return ret;
 
 	if (!spi_mem_internal_supports_op(mem, op))
-		return -ENOTSUPP;
+		return -EOPNOTSUPP;
 
 	if (ctlr->mem_ops && ctlr->mem_ops->exec_op && !spi_get_csgpiod(mem->spi, 0)) {
 		ret = spi_mem_access_start(mem);
@@ -339,7 +339,7 @@ int spi_mem_exec_op(struct spi_mem *mem, const struct spi_mem_op *op)
 		 * read path) and expect the core to use the regular SPI
 		 * interface in other cases.
 		 */
-		if (!ret || ret != -ENOTSUPP)
+		if (!ret || ret != -ENOTSUPP || ret != -EOPNOTSUPP)
 			return ret;
 	}
 
@@ -559,7 +559,7 @@ spi_mem_dirmap_create(struct spi_mem *mem,
 	if (ret) {
 		desc->nodirmap = true;
 		if (!spi_mem_supports_op(desc->mem, &desc->info.op_tmpl))
-			ret = -ENOTSUPP;
+			ret = -EOPNOTSUPP;
 		else
 			ret = 0;
 	}
diff --git a/drivers/spi/spi-npcm-fiu.c b/drivers/spi/spi-npcm-fiu.c
index 03db9f016a11..f3bb8bbc192f 100644
--- a/drivers/spi/spi-npcm-fiu.c
+++ b/drivers/spi/spi-npcm-fiu.c
@@ -556,7 +556,7 @@ static int npcm_fiu_exec_op(struct spi_mem *mem, const struct spi_mem_op *op)
 		op->data.nbytes);
 
 	if (fiu->spix_mode || op->addr.nbytes > 4)
-		return -ENOTSUPP;
+		return -EOPNOTSUPP;
 
 	if (fiu->clkrate != chip->clkrate) {
 		ret = clk_set_rate(fiu->clk, chip->clkrate);
diff --git a/drivers/spi/spi-ti-qspi.c b/drivers/spi/spi-ti-qspi.c
index 4c81516b67db..0877dc5058a1 100644
--- a/drivers/spi/spi-ti-qspi.c
+++ b/drivers/spi/spi-ti-qspi.c
@@ -613,12 +613,12 @@ static int ti_qspi_exec_mem_op(struct spi_mem *mem,
 	/* Only optimize read path. */
 	if (!op->data.nbytes || op->data.dir != SPI_MEM_DATA_IN ||
 	    !op->addr.nbytes || op->addr.nbytes > 4)
-		return -ENOTSUPP;
+		return -EOPNOTSUPP;
 
 	/* Address exceeds MMIO window size, fall back to regular mode. */
 	from = op->addr.val;
 	if (from + op->data.nbytes > qspi->mmap_size)
-		return -ENOTSUPP;
+		return -EOPNOTSUPP;
 
 	mutex_lock(&qspi->list_lock);
 
diff --git a/drivers/spi/spi-wpcm-fiu.c b/drivers/spi/spi-wpcm-fiu.c
index 852ffe013d32..d76f7b5a9b97 100644
--- a/drivers/spi/spi-wpcm-fiu.c
+++ b/drivers/spi/spi-wpcm-fiu.c
@@ -361,7 +361,7 @@ static int wpcm_fiu_exec_op(struct spi_mem *mem, const struct spi_mem_op *op)
 
 	wpcm_fiu_stall_host(fiu, false);
 
-	return -ENOTSUPP;
+	return -EOPNOTSUPP;
 }
 
 static int wpcm_fiu_adjust_op_size(struct spi_mem *mem, struct spi_mem_op *op)
-- 
2.34.1