Messages in this thread | | | Date | Wed, 30 Jan 2013 14:33:02 +0530 | From | Mugunthan V N <> | Subject | Re: [PATCH] cpsw: Fix interrupt storm among other things |
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On 1/30/2013 2:06 PM, Pantelis Antoniou wrote: > Hi Mugunthan, > > On Jan 29, 2013, at 1:45 PM, Mugunthan V N wrote: > >> 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. >> > A beaglebone prototype with the new silicon version, with the ethernet errata > fixed displays this. You can't trigger it on old silicon. > > The TI people on the CC list can confirm. But i have the same silicon revision (PG2.0) in my EVM and I am not seeing any issues. Can you point me to the ethernet errata which you are mentioning?
Regards Mugunthan V N
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