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From: Suman Tripathi <stripathi@apm.com>
To: olof@lixom.net, tj@kernel.org, arnd@arndb.de
Cc: linux-ide@vger.kernel.org, devicetree@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org, mlangsdo@redhat.com,
	jcm@redhat.com, patches@apm.com,
	Suman Tripathi <stripathi@apm.com>
Subject: [PATCH 0/2] ata: Introduce the AHCI_HFLAG_EDGE_IRQ_BROKEN in libahci and enabling it for ahci_xgene driver.
Date: Mon, 11 Jan 2016 15:36:01 +0530	[thread overview]
Message-ID: <1452506763-18649-1-git-send-email-stripathi@apm.com> (raw)

This patch set implements a workaround for an errate in the APM
X-Gene SATA host controller with edge interrupt. The HOST_IRQ_STAT
misses the edge interrupt from the PORT_IRQ_STAT when clearing the
HOST_IRQ_STAT and reporting the PORT_IRQ_STAT happens in same clock
cycle.

Signed-off-by: Suman Tripathi <stripathi@apm.com>

Suman Tripathi (2):
  libahci: Implement the workaround to fix the missing of edge
    interrupt for HOST_IRQ_STAT
  ahci_xgene: Enable AHCI_HFLAG_EDGE_IRQ_BROKEN for APM X-Gen2 SATA
    host controller

 drivers/ata/ahci.h       |    2 ++
 drivers/ata/ahci_xgene.c |    3 ++-
 drivers/ata/libahci.c    |   45 +++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 49 insertions(+), 1 deletions(-)


             reply	other threads:[~2016-01-11 10:06 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-01-11 10:06 Suman Tripathi [this message]
2016-01-11 10:06 ` [PATCH 1/2] libahci: Implement the workaround to fix the missing of edge interrupt for HOST_IRQ_STAT Suman Tripathi
2016-01-11 16:16   ` Tejun Heo
2016-01-11 16:16     ` Tejun Heo
2016-01-11 10:06 ` [PATCH 2/2] ahci_xgene: Enable AHCI_HFLAG_EDGE_IRQ_BROKEN for APM X-Gen2 SATA host controller Suman Tripathi
2016-01-11 16:10 ` [PATCH 0/2] ata: Introduce the AHCI_HFLAG_EDGE_IRQ_BROKEN in libahci and enabling it for ahci_xgene driver Tejun Heo
2016-01-11 16:10   ` Tejun Heo
  -- strict thread matches above, loose matches on Subject: below --
2015-12-24  7:31 Suman Tripathi
     [not found] ` <1450942289-12660-1-git-send-email-stripathi-qTEPVZfXA3Y@public.gmane.org>
2016-01-06 13:50   ` Suman Tripathi
2016-01-06 13:50     ` Suman Tripathi

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