xiaomi-sm8450/android_kernel_xiaomi_sm8450
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[PATCH] PCI/libata INTx cleanup

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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>
这个提交包含在：
Brett M Russ
2005-08-15 15:23:41 -04:00
提交者 Greg Kroah-Hartman
父节点 3fe9d19f9e
当前提交 a04ce0ffca
共修改 7 个文件，包含 32 行新增和 63 行删除
下载 Patch 文件 下载 Diff 文件 展开所有文件 折叠所有文件

16
drivers/scsi/ahci.c
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@@ -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;

14
drivers/scsi/ata_piix.c
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@@ -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];

14
drivers/scsi/sata_sis.c
查看文件

@@ -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);

14
drivers/scsi/sata_uli.c
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@@ -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);