From: tj@kernel.org (Tejun Heo)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v4 2/3] ahci: Store irq number in struct ahci_host_priv
Date: Wed, 3 Jun 2015 14:39:05 +0900 [thread overview]
Message-ID: <20150603053905.GC20091@mtj.duckdns.org> (raw)
In-Reply-To: <1433073319-13796-3-git-send-email-rric@kernel.org>
On Sun, May 31, 2015 at 01:55:18PM +0200, Robert Richter wrote:
> From: Robert Richter <rrichter@cavium.com>
>
> Currently, ahci supports only msi and intx. To also support msix the
> handling of the irq number need to be changed. The irq number for msix
> devices is taken from msi_list instead of pci_dev. Thus, the irq
> number of a device needs to be stored in struct ahci_host_priv now.
> This allows the host controller to be activated in a generic way.
>
> This change is only intended for ahci drivers. For that reason the irq
> number is stored in struct ahci_host_priv used only by ahci drivers.
> Thus, the ABI changes only for ahci_host_activate(), but existing ata
> drivers (about 50) are unaffected and keep unchanged. All users of
> ahci_host_activate() have been updated.
>
> While touching drivers/ata/libahci.c, doing a small code cleanup in
> ahci_port_start().
>
> Signed-off-by: Robert Richter <rrichter@cavium.com>
Applied 1-2 to libata/for-4.2.
Thanks.
--
tejun
next prev parent reply other threads:[~2015-06-03 5:39 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-31 11:55 [PATCH v4 0/3] AHCI: Add generic MSI-X interrupt support to SATA PCI driver Robert Richter
2015-05-31 11:55 ` [PATCH v4 1/3] ahci: Move interrupt enablement code to a separate function Robert Richter
2015-05-31 11:55 ` [PATCH v4 2/3] ahci: Store irq number in struct ahci_host_priv Robert Richter
2015-06-03 5:39 ` Tejun Heo [this message]
2015-05-31 11:55 ` [PATCH v4 3/3] AHCI: Add generic MSI-X interrupt support to SATA PCI driver Robert Richter
2015-06-03 5:44 ` Tejun Heo
2015-06-04 9:03 ` Robert Richter
2015-06-04 21:22 ` Tejun Heo
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