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authorBrett M Russ <russb@emc.com>2005-08-15 15:23:41 -0400
committerGreg Kroah-Hartman <gregkh@suse.de>2005-09-08 15:07:08 -0700
commita04ce0ffcaf561994ecf382cd3caad75556dc499 (patch)
treee891a767810333fe2bf29ddb35f57b0a3ec6e18e /drivers/scsi
parent3fe9d19f9e86a55679f5f2b38ec0a43a1a510cee (diff)
downloadop-kernel-dev-a04ce0ffcaf561994ecf382cd3caad75556dc499.zip
op-kernel-dev-a04ce0ffcaf561994ecf382cd3caad75556dc499.tar.gz
[PATCH] PCI/libata INTx cleanup
Simple cleanup to eliminate X copies of the pci_enable_intx() function in libata. Moved ahci.c's pci_intx() to pci.c and use it throughout libata and msi.c. Signed-off-by: Brett Russ <russb@emc.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/scsi')
-rw-r--r--drivers/scsi/ahci.c16
-rw-r--r--drivers/scsi/ata_piix.c14
-rw-r--r--drivers/scsi/sata_sis.c14
-rw-r--r--drivers/scsi/sata_uli.c14
4 files changed, 3 insertions, 55 deletions
diff --git a/drivers/scsi/ahci.c b/drivers/scsi/ahci.c
index 320df6c..c2c8fa8 100644
--- a/drivers/scsi/ahci.c
+++ b/drivers/scsi/ahci.c
@@ -865,22 +865,6 @@ static int ahci_host_init(struct ata_probe_ent *probe_ent)
return 0;
}
-/* move to PCI layer, integrate w/ MSI stuff */
-static void pci_intx(struct pci_dev *pdev, int enable)
-{
- u16 pci_command, new;
-
- pci_read_config_word(pdev, PCI_COMMAND, &pci_command);
-
- if (enable)
- new = pci_command & ~PCI_COMMAND_INTX_DISABLE;
- else
- new = pci_command | PCI_COMMAND_INTX_DISABLE;
-
- if (new != pci_command)
- pci_write_config_word(pdev, PCI_COMMAND, pci_command);
-}
-
static void ahci_print_info(struct ata_probe_ent *probe_ent)
{
struct ahci_host_priv *hpriv = probe_ent->private_data;
diff --git a/drivers/scsi/ata_piix.c b/drivers/scsi/ata_piix.c
index 5f86885..87e0c36 100644
--- a/drivers/scsi/ata_piix.c
+++ b/drivers/scsi/ata_piix.c
@@ -568,18 +568,6 @@ static void piix_set_dmamode (struct ata_port *ap, struct ata_device *adev)
}
}
-/* move to PCI layer, integrate w/ MSI stuff */
-static void pci_enable_intx(struct pci_dev *pdev)
-{
- u16 pci_command;
-
- pci_read_config_word(pdev, PCI_COMMAND, &pci_command);
- if (pci_command & PCI_COMMAND_INTX_DISABLE) {
- pci_command &= ~PCI_COMMAND_INTX_DISABLE;
- pci_write_config_word(pdev, PCI_COMMAND, pci_command);
- }
-}
-
#define AHCI_PCI_BAR 5
#define AHCI_GLOBAL_CTL 0x04
#define AHCI_ENABLE (1 << 31)
@@ -677,7 +665,7 @@ static int piix_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
* message-signalled interrupts currently).
*/
if (port_info[0]->host_flags & PIIX_FLAG_CHECKINTR)
- pci_enable_intx(pdev);
+ pci_intx(pdev, 1);
if (combined) {
port_info[sata_chan] = &piix_port_info[ent->driver_data];
diff --git a/drivers/scsi/sata_sis.c b/drivers/scsi/sata_sis.c
index 7d1aaa9..2bd3f11 100644
--- a/drivers/scsi/sata_sis.c
+++ b/drivers/scsi/sata_sis.c
@@ -233,18 +233,6 @@ static void sis_scr_write (struct ata_port *ap, unsigned int sc_reg, u32 val)
}
}
-/* move to PCI layer, integrate w/ MSI stuff */
-static void pci_enable_intx(struct pci_dev *pdev)
-{
- u16 pci_command;
-
- pci_read_config_word(pdev, PCI_COMMAND, &pci_command);
- if (pci_command & PCI_COMMAND_INTX_DISABLE) {
- pci_command &= ~PCI_COMMAND_INTX_DISABLE;
- pci_write_config_word(pdev, PCI_COMMAND, pci_command);
- }
-}
-
static int sis_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
{
struct ata_probe_ent *probe_ent = NULL;
@@ -319,7 +307,7 @@ static int sis_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
}
pci_set_master(pdev);
- pci_enable_intx(pdev);
+ pci_intx(pdev, 1);
/* FIXME: check ata_device_add return value */
ata_device_add(probe_ent);
diff --git a/drivers/scsi/sata_uli.c b/drivers/scsi/sata_uli.c
index 42e13ed..4c9fb8b 100644
--- a/drivers/scsi/sata_uli.c
+++ b/drivers/scsi/sata_uli.c
@@ -176,18 +176,6 @@ static void uli_scr_write (struct ata_port *ap, unsigned int sc_reg, u32 val)
uli_scr_cfg_write(ap, sc_reg, val);
}
-/* move to PCI layer, integrate w/ MSI stuff */
-static void pci_enable_intx(struct pci_dev *pdev)
-{
- u16 pci_command;
-
- pci_read_config_word(pdev, PCI_COMMAND, &pci_command);
- if (pci_command & PCI_COMMAND_INTX_DISABLE) {
- pci_command &= ~PCI_COMMAND_INTX_DISABLE;
- pci_write_config_word(pdev, PCI_COMMAND, pci_command);
- }
-}
-
static int uli_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
{
struct ata_probe_ent *probe_ent;
@@ -260,7 +248,7 @@ static int uli_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
}
pci_set_master(pdev);
- pci_enable_intx(pdev);
+ pci_intx(pdev, 1);
/* FIXME: check ata_device_add return value */
ata_device_add(probe_ent);
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