Re: [PATCH 1/1] driver:mtd:spi-nor: Add Micron quad I/O support

2014-09-26 Thread Marek Vasut
On Friday, September 26, 2014 at 10:39:38 AM, bpqw wrote: > >> + /* set EVCR ,enable quad I/O */ > >> + nor->cmd_buf[0] = val & ~EVCR_QUAD_EN_MICRON; > >> + ret = nor->write_reg(nor, SPINOR_OP_WD_EVCR, nor->cmd_buf, 1, 0); > >> + if (ret < 0) { > >> + dev_err(nor->dev, > >> +

RE: [PATCH 1/1] driver:mtd:spi-nor: Add Micron quad I/O support

2014-09-26 Thread bpqw
>> +/* set EVCR ,enable quad I/O */ >> +nor->cmd_buf[0] = val & ~EVCR_QUAD_EN_MICRON; >> +ret = nor->write_reg(nor, SPINOR_OP_WD_EVCR, nor->cmd_buf, 1, 0); >> +if (ret < 0) { >> +dev_err(nor->dev, >> +"error while writing EVCR register\n"); >> +

Re: [PATCH 1/1] driver:mtd:spi-nor: Add Micron quad I/O support

2014-09-25 Thread Marek Vasut
On Thursday, September 25, 2014 at 08:20:35 AM, bpqw wrote: > For Micron spi norflash,you can enable Quad spi transfer > by clear EVCR(Enhanced Volatile Configuration Register) > Quad I/O protocol bit. > > Signed-off-by: bean huo > --- > drivers/mtd/spi-nor/spi-nor.c | 45 > +++

[PATCH 1/1] driver:mtd:spi-nor: Add Micron quad I/O support

2014-09-24 Thread bpqw
For Micron spi norflash,you can enable Quad spi transfer by clear EVCR(Enhanced Volatile Configuration Register) Quad I/O protocol bit. Signed-off-by: bean huo --- drivers/mtd/spi-nor/spi-nor.c | 45 + include/linux/mtd/spi-nor.h |6 ++ 2 files