diff mbox

[13/22] mtd: nand: lpc32xx: return error code of nand_scan_ident/tail() on error

Message ID 1478256190-7452-14-git-send-email-yamada.masahiro@socionext.com (mailing list archive)
State New, archived
Headers show

Commit Message

Masahiro Yamada Nov. 4, 2016, 10:43 a.m. UTC
The nand_scan_ident/tail() returns an appropriate error value when
it fails.  Use it instead of the fixed error code -ENXIO.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
---

 drivers/mtd/nand/lpc32xx_mlc.c | 10 ++++------
 drivers/mtd/nand/lpc32xx_slc.c |  9 +++------
 2 files changed, 7 insertions(+), 12 deletions(-)

Comments

Vladimir Zapolskiy Nov. 6, 2016, 1:37 a.m. UTC | #1
On 11/04/2016 12:43 PM, Masahiro Yamada wrote:
> The nand_scan_ident/tail() returns an appropriate error value when
> it fails.  Use it instead of the fixed error code -ENXIO.
>
> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
> ---

Acked-by: Vladimir Zapolskiy <vz@mleia.com>

Thank you for the change.

--
With best wishes,
Vladimir
Boris BREZILLON Nov. 6, 2016, 6:27 p.m. UTC | #2
On Fri,  4 Nov 2016 19:43:01 +0900
Masahiro Yamada <yamada.masahiro@socionext.com> wrote:

> The nand_scan_ident/tail() returns an appropriate error value when
> it fails.  Use it instead of the fixed error code -ENXIO.
> 
> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
> ---
> 
>  drivers/mtd/nand/lpc32xx_mlc.c | 10 ++++------
>  drivers/mtd/nand/lpc32xx_slc.c |  9 +++------
>  2 files changed, 7 insertions(+), 12 deletions(-)
> 
> diff --git a/drivers/mtd/nand/lpc32xx_mlc.c b/drivers/mtd/nand/lpc32xx_mlc.c
> index 8523881..5553a5d 100644
> --- a/drivers/mtd/nand/lpc32xx_mlc.c
> +++ b/drivers/mtd/nand/lpc32xx_mlc.c
> @@ -747,10 +747,9 @@ static int lpc32xx_nand_probe(struct platform_device *pdev)
>  	 * Scan to find existance of the device and
>  	 * Get the type of NAND device SMALL block or LARGE block
>  	 */
> -	if (nand_scan_ident(mtd, 1, NULL)) {
> -		res = -ENXIO;
> +	res = nand_scan_ident(mtd, 1, NULL);
> +	if (res)
>  		goto err_exit3;
> -	}
>  
>  	host->dma_buf = devm_kzalloc(&pdev->dev, mtd->writesize, GFP_KERNEL);
>  	if (!host->dma_buf) {
> @@ -793,10 +792,9 @@ static int lpc32xx_nand_probe(struct platform_device *pdev)
>  	 * Fills out all the uninitialized function pointers with the defaults
>  	 * And scans for a bad block table if appropriate.
>  	 */
> -	if (nand_scan_tail(mtd)) {
> -		res = -ENXIO;
> +	res = nand_scan_tail(mtd);
> +	if (res)
>  		goto err_exit4;
> -	}
>  
>  	mtd->name = DRV_NAME;
>  
> diff --git a/drivers/mtd/nand/lpc32xx_slc.c b/drivers/mtd/nand/lpc32xx_slc.c
> index 8d3edc3..f1094e5 100644
> --- a/drivers/mtd/nand/lpc32xx_slc.c
> +++ b/drivers/mtd/nand/lpc32xx_slc.c
> @@ -894,10 +894,9 @@ static int lpc32xx_nand_probe(struct platform_device *pdev)
>  	}
>  
>  	/* Find NAND device */
> -	if (nand_scan_ident(mtd, 1, NULL)) {
> -		res = -ENXIO;
> +	res = nand_scan_ident(mtd, 1, NULL);
> +	if (res)
>  		goto err_exit3;
> -	}
>  
>  	/* OOB and ECC CPU and DMA work areas */
>  	host->ecc_buf = (uint32_t *)(host->data_buf + LPC32XX_DMA_DATA_SIZE);
> @@ -929,10 +928,8 @@ static int lpc32xx_nand_probe(struct platform_device *pdev)
>  	/*
>  	 * Fills out all the uninitialized function pointers with the defaults
>  	 */
> -	if (nand_scan_tail(mtd)) {
> -		res = -ENXIO;
> +	res = nand_scan_tail(mtd);

You miss

	if (res)

here.

No need to resend, I'll fix it when applying the patches.

>  		goto err_exit3;
> -	}
>  
>  	mtd->name = "nxp_lpc3220_slc";
>  	res = mtd_device_register(mtd, host->ncfg->parts,
diff mbox

Patch

diff --git a/drivers/mtd/nand/lpc32xx_mlc.c b/drivers/mtd/nand/lpc32xx_mlc.c
index 8523881..5553a5d 100644
--- a/drivers/mtd/nand/lpc32xx_mlc.c
+++ b/drivers/mtd/nand/lpc32xx_mlc.c
@@ -747,10 +747,9 @@  static int lpc32xx_nand_probe(struct platform_device *pdev)
 	 * Scan to find existance of the device and
 	 * Get the type of NAND device SMALL block or LARGE block
 	 */
-	if (nand_scan_ident(mtd, 1, NULL)) {
-		res = -ENXIO;
+	res = nand_scan_ident(mtd, 1, NULL);
+	if (res)
 		goto err_exit3;
-	}
 
 	host->dma_buf = devm_kzalloc(&pdev->dev, mtd->writesize, GFP_KERNEL);
 	if (!host->dma_buf) {
@@ -793,10 +792,9 @@  static int lpc32xx_nand_probe(struct platform_device *pdev)
 	 * Fills out all the uninitialized function pointers with the defaults
 	 * And scans for a bad block table if appropriate.
 	 */
-	if (nand_scan_tail(mtd)) {
-		res = -ENXIO;
+	res = nand_scan_tail(mtd);
+	if (res)
 		goto err_exit4;
-	}
 
 	mtd->name = DRV_NAME;
 
diff --git a/drivers/mtd/nand/lpc32xx_slc.c b/drivers/mtd/nand/lpc32xx_slc.c
index 8d3edc3..f1094e5 100644
--- a/drivers/mtd/nand/lpc32xx_slc.c
+++ b/drivers/mtd/nand/lpc32xx_slc.c
@@ -894,10 +894,9 @@  static int lpc32xx_nand_probe(struct platform_device *pdev)
 	}
 
 	/* Find NAND device */
-	if (nand_scan_ident(mtd, 1, NULL)) {
-		res = -ENXIO;
+	res = nand_scan_ident(mtd, 1, NULL);
+	if (res)
 		goto err_exit3;
-	}
 
 	/* OOB and ECC CPU and DMA work areas */
 	host->ecc_buf = (uint32_t *)(host->data_buf + LPC32XX_DMA_DATA_SIZE);
@@ -929,10 +928,8 @@  static int lpc32xx_nand_probe(struct platform_device *pdev)
 	/*
 	 * Fills out all the uninitialized function pointers with the defaults
 	 */
-	if (nand_scan_tail(mtd)) {
-		res = -ENXIO;
+	res = nand_scan_tail(mtd);
 		goto err_exit3;
-	}
 
 	mtd->name = "nxp_lpc3220_slc";
 	res = mtd_device_register(mtd, host->ncfg->parts,