diff options
| author | David Cohen <david.a.cohen@linux.intel.com> | 2013-12-02 16:20:00 -0800 |
|---|---|---|
| committer | Matthew Garrett <matthew.garrett@nebula.com> | 2014-01-21 08:44:17 -0500 |
| commit | 694e523cfe07e908d170c6b9691882e101f82cd6 (patch) | |
| tree | a73e4d3859e5d665551d9378f64185c2fac89282 /drivers/platform/x86 | |
| parent | 50a639fb158c6aafe86ba7d6104de69518a9d09a (diff) | |
| download | linux-694e523cfe07e908d170c6b9691882e101f82cd6.tar.bz2 | |
ipc: simplify platform data approach
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>
Diffstat (limited to 'drivers/platform/x86')
| -rw-r--r-- | drivers/platform/x86/intel_scu_ipc.c | 84 |
1 files changed, 40 insertions, 44 deletions
diff --git a/drivers/platform/x86/intel_scu_ipc.c b/drivers/platform/x86/intel_scu_ipc.c index 60ea476a9130..259969d31055 100644 --- a/drivers/platform/x86/intel_scu_ipc.c +++ b/drivers/platform/x86/intel_scu_ipc.c @@ -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); |