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Re: [PATCH v4 2/3] ahci: Store irq number in struct ahci_host_priv

From Tejun Heo <tj@kernel.org>
Newsgroups linux.kernel
Subject Re: [PATCH v4 2/3] ahci: Store irq number in struct ahci_host_priv
Date 2015-06-03 07:40 +0200
Message-ID <px9zb-7ZO-1@gated-at.bofh.it> (permalink)
References <pwa4i-1iE-3@gated-at.bofh.it> <pwa4j-1iE-11@gated-at.bofh.it>
Organization linux.* mail to news gateway

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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
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Re: [PATCH v4 2/3] ahci: Store irq number in struct ahci_host_priv Tejun Heo <tj@kernel.org> - 2015-06-03 07:40 +0200

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