[PATCH v6 03/11] mtd: cfi_cmdset_0002: Call xip_enable() once only in do_write_buffer().

Vignesh Raghavendra vigneshr at ti.com
Sat Jun 15 06:46:20 PDT 2019



On 26-May-19 9:08 PM, Tokunori Ikegami wrote:
> By the removed goto statement it can be called xip_enable() once.
> Also for a maintainability refactor it to call the function only once.
> 

Please squash this into previous patch.

Regards
Vignesh

> Signed-off-by: Tokunori Ikegami <ikegami.t at gmail.com>
> Cc: Fabio Bettoni <fbettoni at gmail.com>
> Co: Hauke Mehrtens <hauke at hauke-m.de>
> Co: Koen Vandeputte <koen.vandeputte at ncentric.com>
> Cc: Chris Packham <chris.packham at alliedtelesis.co.nz>
> Cc: Joakim Tjernlund <Joakim.Tjernlund at infinera.com>
> Cc: linux-mtd at lists.infradead.org
> ---
> Changes since v5:
> - Rebased on top of Liu Jian's fixes in master.
> - Change the email address of Tokunori Ikegami to ikegami.t at gmail.com.
> 
> Changes since v4:
> - None.
> 
> Changes since v3:
> - Just change the email address of Tokunori Ikegami to ikegami_to at yahoo.co.jp.
> 
> Changes since v2:
> - None.
> 
> Changes since v1:
> - Split from the patch v1 3/3.
> 
>  drivers/mtd/chips/cfi_cmdset_0002.c | 7 +++----
>  1 file changed, 3 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c
> index ca41f47c00c1..2654019ee24b 100755
> --- a/drivers/mtd/chips/cfi_cmdset_0002.c
> +++ b/drivers/mtd/chips/cfi_cmdset_0002.c
> @@ -1892,10 +1892,8 @@ static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip,
>  			break;
>  		}
>  
> -		if (chip_good(map, adr, datum)) {
> -			xip_enable(map, chip, adr);
> +		if (chip_good(map, adr, datum))
>  			break;
> -		}
>  
>  		/* Latency issues. Drop the lock, wait a while and retry */
>  		UDELAY(map, chip, adr, 1);
> @@ -1916,13 +1914,14 @@ static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip,
>  				 cfi->device_type, NULL);
>  		cfi_send_gen_cmd(0xF0, cfi->addr_unlock1, chip->start, map, cfi,
>  				 cfi->device_type, NULL);
> -		xip_enable(map, chip, adr);
>  		/* FIXME - should have reset delay before continuing */
>  
>  		printk(KERN_WARNING "MTD %s(): software timeout, address:0x%.8lx.\n",
>  		       __func__, adr);
>  	}
>  
> +	xip_enable(map, chip, adr);
> +
>  	chip->state = FL_READY;
>  	DISABLE_VPP(map);
>  	put_chip(map, chip, adr);
> 



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