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ipc: simplify platform data approach

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This patch removes the unnecessary enum for platform type to handle the
array of pdatas. We can set pdata directly to pci_device_id struct
instead.

Signed-off-by: David Cohen <david.a.cohen@linux.intel.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
This commit is contained in:
David Cohen 2013-12-02 16:20:00 -08:00 committed by Matthew Garrett
parent 50a639fb15
commit 694e523cfe
1 changed files with 40 additions and 44 deletions
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84
drivers/platform/x86/intel_scu_ipc.c
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@ -62,13 +62,6 @@
#define IPC_RWBUF_SIZE 20 /* IPC Read buffer Size */
#define IPC_IOC 0x100 /* IPC command register IOC bit */
enum {
SCU_IPC_LINCROFT,
SCU_IPC_PENWELL,
SCU_IPC_CLOVERVIEW,
SCU_IPC_TANGIER,
};
/* intel scu ipc driver data*/
struct intel_scu_ipc_pdata_t {
u32 ipc_base;
@ -78,35 +71,29 @@ struct intel_scu_ipc_pdata_t {
u8 irq_mode;
};
static struct intel_scu_ipc_pdata_t intel_scu_ipc_pdata[] = {
[SCU_IPC_LINCROFT] = {
.ipc_base = 0xff11c000,
.i2c_base = 0xff12b000,
.ipc_len = 0x100,
.i2c_len = 0x10,
.irq_mode = 0,
},
[SCU_IPC_PENWELL] = {
.ipc_base = 0xff11c000,
.i2c_base = 0xff12b000,
.ipc_len = 0x100,
.i2c_len = 0x10,
.irq_mode = 1,
},
[SCU_IPC_CLOVERVIEW] = {
.ipc_base = 0xff11c000,
.i2c_base = 0xff12b000,
.ipc_len = 0x100,
.i2c_len = 0x10,
.irq_mode = 1,
},
[SCU_IPC_TANGIER] = {
.ipc_base = 0xff009000,
.i2c_base = 0xff00d000,
.ipc_len = 0x100,
.i2c_len = 0x10,
.irq_mode = 0,
},
static struct intel_scu_ipc_pdata_t intel_scu_ipc_lincroft_pdata = {
.ipc_base = 0xff11c000,
.i2c_base = 0xff12b000,
.ipc_len = 0x100,
.i2c_len = 0x10,
.irq_mode = 0,
};
/* Penwell and Cloverview */
static struct intel_scu_ipc_pdata_t intel_scu_ipc_penwell_pdata = {
.ipc_base = 0xff11c000,
.i2c_base = 0xff12b000,
.ipc_len = 0x100,
.i2c_len = 0x10,
.irq_mode = 1,
};
static struct intel_scu_ipc_pdata_t intel_scu_ipc_tangier_pdata = {
.ipc_base = 0xff009000,
.i2c_base = 0xff00d000,
.ipc_len = 0x100,
.i2c_len = 0x10,
.irq_mode = 0,
};
static int ipc_probe(struct pci_dev *dev, const struct pci_device_id *id);
@ -583,15 +570,14 @@ static irqreturn_t ioc(int irq, void *dev_id)
*/
static int ipc_probe(struct pci_dev *dev, const struct pci_device_id *id)
{
int err, pid;
int err;
struct intel_scu_ipc_pdata_t *pdata;
resource_size_t pci_resource;
if (ipcdev.pdev) /* We support only one SCU */
return -EBUSY;
pid = id->driver_data;
pdata = &intel_scu_ipc_pdata[pid];
pdata = (struct intel_scu_ipc_pdata_t *)id->driver_data;
ipcdev.pdev = pci_dev_get(dev);
ipcdev.irq_mode = pdata->irq_mode;
@ -650,11 +636,21 @@ static void ipc_remove(struct pci_dev *pdev)
}
static DEFINE_PCI_DEVICE_TABLE(pci_ids) = {
{PCI_VDEVICE(INTEL, 0x082a), SCU_IPC_LINCROFT},
{PCI_VDEVICE(INTEL, 0x080e), SCU_IPC_PENWELL},
{PCI_VDEVICE(INTEL, 0x08ea), SCU_IPC_CLOVERVIEW},
{PCI_VDEVICE(INTEL, 0x11a0), SCU_IPC_TANGIER},
{ 0,}
{
PCI_VDEVICE(INTEL, 0x082a),
(kernel_ulong_t)&intel_scu_ipc_lincroft_pdata,
}, {
PCI_VDEVICE(INTEL, 0x080e),
(kernel_ulong_t)&intel_scu_ipc_penwell_pdata,
}, {
PCI_VDEVICE(INTEL, 0x08ea),
(kernel_ulong_t)&intel_scu_ipc_penwell_pdata,
}, {
PCI_VDEVICE(INTEL, 0x11a0),
(kernel_ulong_t)&intel_scu_ipc_tangier_pdata,
}, {
0,
}
};
MODULE_DEVICE_TABLE(pci, pci_ids);