* [PATCH] ARM: dts: am335x-baltos: change nand-xfer-type
@ 2022-07-05 12:23 yegorslists
2022-07-10 6:54 ` Roger Quadros
0 siblings, 1 reply; 4+ messages in thread
From: yegorslists @ 2022-07-05 12:23 UTC (permalink / raw)
To: linux-omap; +Cc: rogerq, tony, devicetree, Yegor Yefremov
From: Yegor Yefremov <yegorslists@googlemail.com>
Use "prefetch-dma" instead of "polled".
Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
---
arch/arm/boot/dts/am335x-baltos.dtsi | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/am335x-baltos.dtsi b/arch/arm/boot/dts/am335x-baltos.dtsi
index d3eafee79a23..6161c8929a78 100644
--- a/arch/arm/boot/dts/am335x-baltos.dtsi
+++ b/arch/arm/boot/dts/am335x-baltos.dtsi
@@ -197,7 +197,7 @@
rb-gpios = <&gpmc 0 GPIO_ACTIVE_HIGH>; /* gpmc_wait0 */
nand-bus-width = <8>;
ti,nand-ecc-opt = "bch8";
- ti,nand-xfer-type = "polled";
+ ti,nand-xfer-type = "prefetch-dma";
gpmc,device-nand = "true";
gpmc,device-width = <1>;
--
2.17.0
^ permalink raw reply related [flat|nested] 4+ messages in thread
* Re: [PATCH] ARM: dts: am335x-baltos: change nand-xfer-type
2022-07-05 12:23 [PATCH] ARM: dts: am335x-baltos: change nand-xfer-type yegorslists
@ 2022-07-10 6:54 ` Roger Quadros
2022-07-11 4:35 ` Yegor Yefremov
0 siblings, 1 reply; 4+ messages in thread
From: Roger Quadros @ 2022-07-10 6:54 UTC (permalink / raw)
To: yegorslists, linux-omap; +Cc: tony, devicetree
Hi Yegor,
On 05/07/2022 17:53, yegorslists@googlemail.com wrote:
> From: Yegor Yefremov <yegorslists@googlemail.com>
>
> Use "prefetch-dma" instead of "polled".
Does using "polled" still cause the issue while Erasing NAND?
>
> Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
Acked-by: Roger Quadros <rogerq@kernel.org>
> ---
> arch/arm/boot/dts/am335x-baltos.dtsi | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/arm/boot/dts/am335x-baltos.dtsi b/arch/arm/boot/dts/am335x-baltos.dtsi
> index d3eafee79a23..6161c8929a78 100644
> --- a/arch/arm/boot/dts/am335x-baltos.dtsi
> +++ b/arch/arm/boot/dts/am335x-baltos.dtsi
> @@ -197,7 +197,7 @@
> rb-gpios = <&gpmc 0 GPIO_ACTIVE_HIGH>; /* gpmc_wait0 */
> nand-bus-width = <8>;
> ti,nand-ecc-opt = "bch8";
> - ti,nand-xfer-type = "polled";
> + ti,nand-xfer-type = "prefetch-dma";
>
> gpmc,device-nand = "true";
> gpmc,device-width = <1>;
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH] ARM: dts: am335x-baltos: change nand-xfer-type
2022-07-10 6:54 ` Roger Quadros
@ 2022-07-11 4:35 ` Yegor Yefremov
2022-09-07 5:16 ` Tony Lindgren
0 siblings, 1 reply; 4+ messages in thread
From: Yegor Yefremov @ 2022-07-11 4:35 UTC (permalink / raw)
To: Roger Quadros; +Cc: Linux-OMAP, Tony Lindgren, devicetree
Hi Roger,
On Sun, Jul 10, 2022 at 8:54 AM Roger Quadros <rogerq@kernel.org> wrote:
>
> Hi Yegor,
>
> On 05/07/2022 17:53, yegorslists@googlemail.com wrote:
> > From: Yegor Yefremov <yegorslists@googlemail.com>
> >
> > Use "prefetch-dma" instead of "polled".
> Does using "polled" still cause the issue while Erasing NAND?
Yes, it does.
Yegor
> >
> > Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
>
> Acked-by: Roger Quadros <rogerq@kernel.org>
>
> > ---
> > arch/arm/boot/dts/am335x-baltos.dtsi | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/arch/arm/boot/dts/am335x-baltos.dtsi b/arch/arm/boot/dts/am335x-baltos.dtsi
> > index d3eafee79a23..6161c8929a78 100644
> > --- a/arch/arm/boot/dts/am335x-baltos.dtsi
> > +++ b/arch/arm/boot/dts/am335x-baltos.dtsi
> > @@ -197,7 +197,7 @@
> > rb-gpios = <&gpmc 0 GPIO_ACTIVE_HIGH>; /* gpmc_wait0 */
> > nand-bus-width = <8>;
> > ti,nand-ecc-opt = "bch8";
> > - ti,nand-xfer-type = "polled";
> > + ti,nand-xfer-type = "prefetch-dma";
> >
> > gpmc,device-nand = "true";
> > gpmc,device-width = <1>;
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH] ARM: dts: am335x-baltos: change nand-xfer-type
2022-07-11 4:35 ` Yegor Yefremov
@ 2022-09-07 5:16 ` Tony Lindgren
0 siblings, 0 replies; 4+ messages in thread
From: Tony Lindgren @ 2022-09-07 5:16 UTC (permalink / raw)
To: Yegor Yefremov; +Cc: Roger Quadros, Linux-OMAP, devicetree
* Yegor Yefremov <yegorslists@googlemail.com> [220711 04:30]:
> Hi Roger,
>
> On Sun, Jul 10, 2022 at 8:54 AM Roger Quadros <rogerq@kernel.org> wrote:
> >
> > Hi Yegor,
> >
> > On 05/07/2022 17:53, yegorslists@googlemail.com wrote:
> > > From: Yegor Yefremov <yegorslists@googlemail.com>
> > >
> > > Use "prefetch-dma" instead of "polled".
> > Does using "polled" still cause the issue while Erasing NAND?
>
> Yes, it does.
OK I'm applying this into omap-for-v6.1/dt then.
Regards,
Tony
^ permalink raw reply [flat|nested] 4+ messages in thread
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2022-07-05 12:23 [PATCH] ARM: dts: am335x-baltos: change nand-xfer-type yegorslists
2022-07-10 6:54 ` Roger Quadros
2022-07-11 4:35 ` Yegor Yefremov
2022-09-07 5:16 ` Tony Lindgren
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