diff mbox series

[v2,3/6] mtd: spi-nor: Stop passing info to set_4byte()

Message ID 20181129141026.24892-4-boris.brezillon@bootlin.com
State Superseded
Headers show
Series mtd: spi-nor: Random cleanups | expand

Commit Message

Boris Brezillon Nov. 29, 2018, 2:10 p.m. UTC
info can be extracted from nor->info, no need to pass it as an
argument.

Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
---
Changes in v2:
- None
---
 drivers/mtd/spi-nor/spi-nor.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

Comments

Alexander A Sverdlin Nov. 29, 2018, 4:23 p.m. UTC | #1
On 29/11/2018 15:10, Boris Brezillon wrote:
> info can be extracted from nor->info, no need to pass it as an
> argument.
> 
> Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>

Reviewed-by: Aleaxander Sverdlin <alexander.sverdlin@nokia.com>

> ---
> Changes in v2:
> - None
> ---
>  drivers/mtd/spi-nor/spi-nor.c | 11 +++++------
>  1 file changed, 5 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c
> index e1eaabf98d08..6da50684f303 100644
> --- a/drivers/mtd/spi-nor/spi-nor.c
> +++ b/drivers/mtd/spi-nor/spi-nor.c
> @@ -274,14 +274,13 @@ static void spi_nor_set_4byte_opcodes(struct spi_nor *nor,
>  }
>  
>  /* Enable/disable 4-byte addressing mode. */
> -static int set_4byte(struct spi_nor *nor, const struct flash_info *info,
> -		     int enable)
> +static int set_4byte(struct spi_nor *nor, int enable)
>  {
>  	int status;
>  	bool need_wren = false;
>  	u8 cmd;
>  
> -	switch (JEDEC_MFR(info)) {
> +	switch (JEDEC_MFR(nor->info)) {
>  	case SNOR_MFR_ST:
>  	case SNOR_MFR_MICRON:
>  		/* Some Micron need WREN command; all will accept it */
> @@ -298,7 +297,7 @@ static int set_4byte(struct spi_nor *nor, const struct flash_info *info,
>  			write_disable(nor);
>  
>  		if (!status && !enable &&
> -		    JEDEC_MFR(info) == SNOR_MFR_WINBOND) {
> +		    JEDEC_MFR(nor->info) == SNOR_MFR_WINBOND) {
>  			/*
>  			 * On Winbond W25Q256FV, leaving 4byte mode causes
>  			 * the Extended Address Register to be set to 1, so all
> @@ -3574,7 +3573,7 @@ static int spi_nor_init(struct spi_nor *nor)
>  		 */
>  		WARN_ONCE(nor->flags & SNOR_F_BROKEN_RESET,
>  			  "enabling reset hack; may not recover from unexpected reboots\n");
> -		set_4byte(nor, nor->info, 1);
> +		set_4byte(nor, 1);
>  	}
>  
>  	return 0;
> @@ -3600,7 +3599,7 @@ void spi_nor_restore(struct spi_nor *nor)
>  	    (JEDEC_MFR(nor->info) != SNOR_MFR_SPANSION) &&
>  	    !(nor->info->flags & SPI_NOR_4B_OPCODES) &&
>  	    (nor->flags & SNOR_F_BROKEN_RESET))
> -		set_4byte(nor, nor->info, 0);
> +		set_4byte(nor, 0);
>  }
>  EXPORT_SYMBOL_GPL(spi_nor_restore);
Tudor Ambarus Dec. 4, 2018, 7:35 p.m. UTC | #2
On 11/29/2018 04:10 PM, Boris Brezillon wrote:
> info can be extracted from nor->info, no need to pass it as an
> argument.

Nice! If you move the assignment nor->info = info; earlier in spi_nor_scan(),
you'll be able to spare more functions to pass info as argument.

Cheers,
ta
Boris Brezillon Dec. 4, 2018, 7:37 p.m. UTC | #3
On Tue, 4 Dec 2018 19:35:15 +0000
<Tudor.Ambarus@microchip.com> wrote:

> On 11/29/2018 04:10 PM, Boris Brezillon wrote:
> > info can be extracted from nor->info, no need to pass it as an
> > argument.  
> 
> Nice! If you move the assignment nor->info = info; earlier in spi_nor_scan(),
> you'll be able to spare more functions to pass info as argument.

You mean like in patch 6? ;)
diff mbox series

Patch

diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c
index e1eaabf98d08..6da50684f303 100644
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
@@ -274,14 +274,13 @@  static void spi_nor_set_4byte_opcodes(struct spi_nor *nor,
 }
 
 /* Enable/disable 4-byte addressing mode. */
-static int set_4byte(struct spi_nor *nor, const struct flash_info *info,
-		     int enable)
+static int set_4byte(struct spi_nor *nor, int enable)
 {
 	int status;
 	bool need_wren = false;
 	u8 cmd;
 
-	switch (JEDEC_MFR(info)) {
+	switch (JEDEC_MFR(nor->info)) {
 	case SNOR_MFR_ST:
 	case SNOR_MFR_MICRON:
 		/* Some Micron need WREN command; all will accept it */
@@ -298,7 +297,7 @@  static int set_4byte(struct spi_nor *nor, const struct flash_info *info,
 			write_disable(nor);
 
 		if (!status && !enable &&
-		    JEDEC_MFR(info) == SNOR_MFR_WINBOND) {
+		    JEDEC_MFR(nor->info) == SNOR_MFR_WINBOND) {
 			/*
 			 * On Winbond W25Q256FV, leaving 4byte mode causes
 			 * the Extended Address Register to be set to 1, so all
@@ -3574,7 +3573,7 @@  static int spi_nor_init(struct spi_nor *nor)
 		 */
 		WARN_ONCE(nor->flags & SNOR_F_BROKEN_RESET,
 			  "enabling reset hack; may not recover from unexpected reboots\n");
-		set_4byte(nor, nor->info, 1);
+		set_4byte(nor, 1);
 	}
 
 	return 0;
@@ -3600,7 +3599,7 @@  void spi_nor_restore(struct spi_nor *nor)
 	    (JEDEC_MFR(nor->info) != SNOR_MFR_SPANSION) &&
 	    !(nor->info->flags & SPI_NOR_4B_OPCODES) &&
 	    (nor->flags & SNOR_F_BROKEN_RESET))
-		set_4byte(nor, nor->info, 0);
+		set_4byte(nor, 0);
 }
 EXPORT_SYMBOL_GPL(spi_nor_restore);