Hi Cyrille,
On Sun, 24 Dec 2017 05:36:04 +0100
Cyrille Pitchen wrote:
> This patch has two purposes:
>
> 1 - To fix the compatible issue between the MTD and SPI sub-systems
>
> The MTD sub-system has no particular requirement about the memory areas it
> uses. Especially, ubifs is well known fo
On Tue, 26 Dec 2017 14:59:00 +0100
Cyrille Pitchen wrote:
> Hi Vignesh
>
> Le 26/12/2017 à 14:42, Vignesh R a écrit :
> > Hi Cyrille,
> >
> > Thanks for doing this series! One comment below.
> >
> > On 24-Dec-17 10:06 AM, Cyrille Pitchen wrote:
> > [...]
> >> diff --git a/drivers/mtd/spi-nor
On Friday 29 December 2017 11:33 PM, Trent Piepho wrote:
> On Fri, 2017-12-29 at 15:46 +0530, Vignesh R wrote:
>> On Friday 29 December 2017 12:24 AM, Trent Piepho wrote:
>> >
>> > > Vignesh has suggested to call virt_addr_valid() instead.
>> > > I think Boris has also told me about this functio
On Fri, 2017-12-29 at 15:46 +0530, Vignesh R wrote:
> On Friday 29 December 2017 12:24 AM, Trent Piepho wrote:
> >
> > > Vignesh has suggested to call virt_addr_valid() instead.
> > > I think Boris has also told me about this function.
> > > So it might be the right solution. What do you think abo
On Friday 29 December 2017 12:24 AM, Trent Piepho wrote:
> On Thu, 2017-12-28 at 11:39 +0100, Cyrille Pitchen wrote:
>> Le 26/12/2017 à 20:43, Trent Piepho a écrit :
>> > On Sun, 2017-12-24 at 05:36 +0100, Cyrille Pitchen wrote:
>> > >
>> > > Then the patch adds two hardware capabilities for SPI
On Thu, 2017-12-28 at 11:39 +0100, Cyrille Pitchen wrote:
> Le 26/12/2017 à 20:43, Trent Piepho a écrit :
> > On Sun, 2017-12-24 at 05:36 +0100, Cyrille Pitchen wrote:
> > >
> > > Then the patch adds two hardware capabilities for SPI flash controllers,
> > > SNOR_HWCAPS_WR_BOUNCE and SNOR_HWCAPS_R
Hi Trent,
Le 26/12/2017 à 20:43, Trent Piepho a écrit :
> On Sun, 2017-12-24 at 05:36 +0100, Cyrille Pitchen wrote:
>>
>> Then the patch adds two hardware capabilities for SPI flash controllers,
>> SNOR_HWCAPS_WR_BOUNCE and SNOR_HWCAPS_RD_BOUNCE.
>
> Are there any drivers for which a bounce buffe
On Sun, 2017-12-24 at 05:36 +0100, Cyrille Pitchen wrote:
>
> Then the patch adds two hardware capabilities for SPI flash controllers,
> SNOR_HWCAPS_WR_BOUNCE and SNOR_HWCAPS_RD_BOUNCE.
Are there any drivers for which a bounce buffer is NOT needed when the
tx/rx buffer is not in DMA safe memory?
Hi Vignesh
Le 26/12/2017 à 14:42, Vignesh R a écrit :
> Hi Cyrille,
>
> Thanks for doing this series! One comment below.
>
> On 24-Dec-17 10:06 AM, Cyrille Pitchen wrote:
> [...]
>> diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c
>> index 8bafd462f0ae..59f9fbd45234 100
Hi Cyrille,
Thanks for doing this series! One comment below.
On 24-Dec-17 10:06 AM, Cyrille Pitchen wrote:
[...]
> diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c
> index 8bafd462f0ae..59f9fbd45234 100644
> --- a/drivers/mtd/spi-nor/spi-nor.c
> +++ b/drivers/mtd/spi-nor
This patch has two purposes:
1 - To fix the compatible issue between the MTD and SPI sub-systems
The MTD sub-system has no particular requirement about the memory areas it
uses. Especially, ubifs is well known for using vmalloc'ed buffers, which
then are not DMA-safe. There are reasons behind tha
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