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| author | Robert Richter <rrichter@cavium.com> | 2015-05-31 13:55:18 +0200 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2015-06-03 01:37:49 -0400 |
| commit | 21bfd1aa9527811408d6073d45e5ac8283a28b72 (patch) | |
| tree | 0a7320b2bfebf9e567175c1e4b86bd95f81d7238 /drivers/ata/ahci.h | |
| parent | a1c823117894ed79943a87b1c718139cc1be1b6a (diff) | |
| download | linux-21bfd1aa9527811408d6073d45e5ac8283a28b72.tar.bz2 | |
ahci: Store irq number in struct ahci_host_priv
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>
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'drivers/ata/ahci.h')
| -rw-r--r-- | drivers/ata/ahci.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/ata/ahci.h b/drivers/ata/ahci.h index f4429600e2bf..5b8e8a0fab48 100644 --- a/drivers/ata/ahci.h +++ b/drivers/ata/ahci.h @@ -343,6 +343,7 @@ struct ahci_host_priv { struct phy **phys; unsigned nports; /* Number of ports */ void *plat_data; /* Other platform data */ + unsigned int irq; /* interrupt line */ /* * Optional ahci_start_engine override, if not set this gets set to the * default ahci_start_engine during ahci_save_initial_config, this can @@ -395,8 +396,7 @@ void ahci_set_em_messages(struct ahci_host_priv *hpriv, struct ata_port_info *pi); int ahci_reset_em(struct ata_host *host); void ahci_print_info(struct ata_host *host, const char *scc_s); -int ahci_host_activate(struct ata_host *host, int irq, - struct scsi_host_template *sht); +int ahci_host_activate(struct ata_host *host, struct scsi_host_template *sht); void ahci_error_handler(struct ata_port *ap); static inline void __iomem *__ahci_port_base(struct ata_host *host, |