2019-05-16 16:03:31

by Kamal Dasu

Subject: [PATCH v2 2/2] mtd: nand: raw: brcmnand: When oops in progress use pio and interrupt polling

If mtd_oops is in progress switch to polling for nand command completion
interrupts and use PIO mode wihtout DMA so that the mtd_oops buffer can
be completely written in the assinged nand partition.

Signed-off-by: Kamal Dasu <[email protected]>
---
drivers/mtd/nand/raw/brcmnand/brcmnand.c | 1 -
1 file changed, 1 deletion(-)

diff --git a/drivers/mtd/nand/raw/brcmnand/brcmnand.c b/drivers/mtd/nand/raw/brcmnand/brcmnand.c
index a30a7f0..dca8eb8 100644
--- a/drivers/mtd/nand/raw/brcmnand/brcmnand.c
+++ b/drivers/mtd/nand/raw/brcmnand/brcmnand.c
@@ -835,7 +835,6 @@ static inline void disable_ctrl_irqs(struct brcmnand_controller *ctrl)
}

disable_irq(ctrl->irq);
-
ctrl->pio_poll_mode = true;
}

--
1.9.0.138.g2de3478

2019-05-16 18:06:40

by Kamal Dasu

Subject: Re: [PATCH v2 2/2] mtd: nand: raw: brcmnand: When oops in progress use pio and interrupt polling

Please ignore v2 patch 1/2 and 2/2. The commit ordering is not right.
v3 patch on the way



Kamal

On Thu, May 16, 2019 at 12:01 PM Kamal Dasu <[email protected]> wrote:
>
> If mtd_oops is in progress switch to polling for nand command completion
> interrupts and use PIO mode wihtout DMA so that the mtd_oops buffer can
> be completely written in the assinged nand partition.
>
> Signed-off-by: Kamal Dasu <[email protected]>
> ---
> drivers/mtd/nand/raw/brcmnand/brcmnand.c | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/drivers/mtd/nand/raw/brcmnand/brcmnand.c b/drivers/mtd/nand/raw/brcmnand/brcmnand.c
> index a30a7f0..dca8eb8 100644
> --- a/drivers/mtd/nand/raw/brcmnand/brcmnand.c
> +++ b/drivers/mtd/nand/raw/brcmnand/brcmnand.c
> @@ -835,7 +835,6 @@ static inline void disable_ctrl_irqs(struct brcmnand_controller *ctrl)
> }
>
> disable_irq(ctrl->irq);
> -
> ctrl->pio_poll_mode = true;
> }
>
> --
> 1.9.0.138.g2de3478
>