lkml.org 
[lkml]   [2014]   [Apr]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [PATCH V2] Add support for flag status register on Micron chips.
Date
On Friday, April 11, 2014 at 05:03:13 PM, grmoore@altera.com wrote:
[...]
> diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c
> index ad19139..4cddbc8 100644
> --- a/drivers/mtd/devices/m25p80.c
> +++ b/drivers/mtd/devices/m25p80.c
> @@ -39,6 +39,7 @@
> #define OPCODE_WREN 0x06 /* Write enable */
> #define OPCODE_RDSR 0x05 /* Read status register */
> #define OPCODE_WRSR 0x01 /* Write status register 1 byte
*/
> +#define OPCODE_RDFSR 0x70 /* read flag status register */

I know this is not your fault, but can you please indent this properly with
tabs?

> #define OPCODE_NORM_READ 0x03 /* Read data bytes (low
frequency) */
> #define OPCODE_FAST_READ 0x0b /* Read data bytes (high
frequency) */
> #define OPCODE_QUAD_READ 0x6b /* Read data bytes */

And fix this one in a separate patch to use tabs as well please ?

[...]

> @@ -790,7 +847,7 @@ static int m25p80_unlock(struct mtd_info *mtd, loff_t
> ofs, uint64_t len)
>
> mutex_lock(&flash->lock);
> /* Wait until finished previous command */
> - if (wait_till_ready(flash)) {
> + if (flash->wait_till_ready(flash)) {

I wonder, can't wait_till_ready() be made a wrapper that will check the USE_FSR
flag and call correct wait-function ? This would avoid adding a new member to
*flash and also would avoid so many changes throughout the code. What do you
think?
[...]
Best regards,
Marek Vasut


\
 
 \ /
  Last update: 2014-04-14 00:21    [W:1.667 / U:0.476 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site