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SubjectRe: [PATCH] cpsw: Fix interrupt storm among other things
On 1/28/2013 6:41 PM, Pantelis Antoniou wrote:
> Fix interrupt storm on bone A4 cause by non-by-the-book interrupt handling.
> While at it, added a non-NAPI mode (which is easier to debug), plus
> some general fixes.
>
> Signed-off-by: Pantelis Antoniou <panto@antoniou-consulting.com>
> ---
> Documentation/devicetree/bindings/net/cpsw.txt | 1 +
> drivers/net/ethernet/ti/cpsw.c | 222 +++++++++++++++++++++----
> drivers/net/ethernet/ti/davinci_cpdma.c | 4 +-
> drivers/net/ethernet/ti/davinci_cpdma.h | 2 +-
> include/linux/platform_data/cpsw.h | 1 +
> 5 files changed, 194 insertions(+), 36 deletions(-)
I have tested CPSW on AM335x EVM 1.5A with flood ping and i am not
seeing any interrupt storm.
Can you provide more details on how to reproduce the issue.

Regards
Mugunthan V N


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