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mei: push pci cfg structure me hw

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Device specific configurations are currently only needed by me hw
so we can remove it from txe

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Tomas Winkler 2014-09-29 16:31:45 +03:00 committed by Greg Kroah-Hartman
parent d08b8fc0db
commit 4ad96db6cc
6 changed files with 41 additions and 45 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/misc/mei/hw-me.c
View File

@ -110,8 +110,9 @@ static inline void mei_hcsr_set(struct mei_me_hw *hw, u32 hcsr)
static int mei_me_fw_status(struct mei_device *dev,
struct mei_fw_status *fw_status)
{
const struct mei_fw_status *fw_src = &dev->cfg->fw_status;
struct pci_dev *pdev = to_pci_dev(dev->dev);
struct mei_me_hw *hw = to_me_hw(dev);
const struct mei_fw_status *fw_src = &hw->cfg->fw_status;
int ret;
int i;
@ -846,14 +847,16 @@ struct mei_device *mei_me_dev_init(struct pci_dev *pdev,
const struct mei_cfg *cfg)
{
struct mei_device *dev;
struct mei_me_hw *hw;
dev = kzalloc(sizeof(struct mei_device) +
sizeof(struct mei_me_hw), GFP_KERNEL);
if (!dev)
return NULL;
hw = to_me_hw(dev);
mei_device_init(dev, &pdev->dev, &mei_me_hw_ops);
dev->cfg = cfg;
hw->cfg = cfg;
return dev;
}

26
drivers/misc/mei/hw-me.h
View File

@ -19,14 +19,38 @@
#ifndef _MEI_INTERFACE_H_
#define _MEI_INTERFACE_H_
#include <linux/mei.h>
#include <linux/irqreturn.h>
#include <linux/pci.h>
#include <linux/mei.h>
#include "mei_dev.h"
#include "client.h"
/*
* mei_cfg - mei device configuration
*
* @fw_status: FW status
* @quirk_probe: device exclusion quirk
*/
struct mei_cfg {
const struct mei_fw_status fw_status;
bool (*quirk_probe)(struct pci_dev *pdev);
};
#define MEI_PCI_DEVICE(dev, cfg) \
.vendor = PCI_VENDOR_ID_INTEL, .device = (dev), \
.subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID, \
.driver_data = (kernel_ulong_t)&(cfg)
#define MEI_ME_RPM_TIMEOUT 500 /* ms */
/**
* @cfg: per device generation config and ops
*/
struct mei_me_hw {
const struct mei_cfg *cfg;
void __iomem *mem_addr;
/*
* hw states of host and fw(ME)

22
drivers/misc/mei/hw-txe.c
View File

@ -573,6 +573,11 @@ static int mei_txe_readiness_wait(struct mei_device *dev)
return 0;
}
const struct mei_fw_status mei_txe_fw_sts = {
.count = 2,
.status[0] = PCI_CFG_TXE_FW_STS0,
.status[1] = PCI_CFG_TXE_FW_STS1
};
/**
* mei_txe_fw_status - read fw status register from pci config space
@ -583,7 +588,7 @@ static int mei_txe_readiness_wait(struct mei_device *dev)
static int mei_txe_fw_status(struct mei_device *dev,
struct mei_fw_status *fw_status)
{
const struct mei_fw_status *fw_src = &dev->cfg->fw_status;
const struct mei_fw_status *fw_src = &mei_txe_fw_sts;
struct pci_dev *pdev = to_pci_dev(dev->dev);
int ret;
int i;
@ -1120,27 +1125,15 @@ static const struct mei_hw_ops mei_txe_hw_ops = {
};
#define MEI_CFG_TXE_FW_STS \
.fw_status.count = 2, \
.fw_status.status[0] = PCI_CFG_TXE_FW_STS0, \
.fw_status.status[1] = PCI_CFG_TXE_FW_STS1
const struct mei_cfg mei_txe_cfg = {
MEI_CFG_TXE_FW_STS,
};
/**
* mei_txe_dev_init - allocates and initializes txe hardware specific structure
*
* @pdev - pci device
* @cfg - per device generation config
*
* returns struct mei_device * on success or NULL;
*
*/
struct mei_device *mei_txe_dev_init(struct pci_dev *pdev,
const struct mei_cfg *cfg)
struct mei_device *mei_txe_dev_init(struct pci_dev *pdev)
{
struct mei_device *dev;
struct mei_txe_hw *hw;
@ -1156,7 +1149,6 @@ struct mei_device *mei_txe_dev_init(struct pci_dev *pdev,
init_waitqueue_head(&hw->wait_aliveness_resp);
dev->cfg = cfg;
return dev;
}

5
drivers/misc/mei/hw-txe.h
View File

@ -61,10 +61,7 @@ static inline struct mei_device *hw_txe_to_mei(struct mei_txe_hw *hw)
return container_of((void *)hw, struct mei_device, hw);
}
extern const struct mei_cfg mei_txe_cfg;
struct mei_device *mei_txe_dev_init(struct pci_dev *pdev,
const struct mei_cfg *cfg);
struct mei_device *mei_txe_dev_init(struct pci_dev *pdev);
irqreturn_t mei_txe_irq_quick_handler(int irq, void *dev_id);
irqreturn_t mei_txe_irq_thread_handler(int irq, void *dev_id);

20
drivers/misc/mei/mei_dev.h
View File

@ -380,24 +380,6 @@ enum mei_pg_state {
const char *mei_pg_state_str(enum mei_pg_state state);
/*
* mei_cfg
*
* @fw_status - FW status
* @quirk_probe - device exclusion quirk
*/
struct mei_cfg {
const struct mei_fw_status fw_status;
bool (*quirk_probe)(struct pci_dev *pdev);
};
#define MEI_PCI_DEVICE(dev, cfg) \
.vendor = PCI_VENDOR_ID_INTEL, .device = (dev), \
.subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID, \
.driver_data = (kernel_ulong_t)&(cfg)
/**
* struct mei_device - MEI private device struct
@ -416,7 +398,6 @@ struct mei_cfg {
* @hbuf_depth - depth of hardware host/write buffer is slots
* @hbuf_is_ready - query if the host host/write buffer is ready
* @wr_msg - the buffer for hbm control messages
* @cfg - per device generation config and ops
*/
struct mei_device {
struct device *dev;
@ -530,7 +511,6 @@ struct mei_device {
const struct mei_hw_ops *ops;
const struct mei_cfg *cfg;
char hw[0] __aligned(sizeof(void *));
};

6
drivers/misc/mei/pci-txe.c
View File

@ -36,7 +36,8 @@
#include "hw-txe.h"
static const struct pci_device_id mei_txe_pci_tbl[] = {
{MEI_PCI_DEVICE(0x0F18, mei_txe_cfg)}, /* Baytrail */
{PCI_VDEVICE(INTEL, 0x0F18)}, /* Baytrail */
{0, }
};
MODULE_DEVICE_TABLE(pci, mei_txe_pci_tbl);
@ -70,7 +71,6 @@ static void mei_txe_pci_iounmap(struct pci_dev *pdev, struct mei_txe_hw *hw)
*/
static int mei_txe_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
{
const struct mei_cfg *cfg = (struct mei_cfg *)(ent->driver_data);
struct mei_device *dev;
struct mei_txe_hw *hw;
int err;
@ -101,7 +101,7 @@ static int mei_txe_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
}
/* allocates and initializes the mei dev structure */
dev = mei_txe_dev_init(pdev, cfg);
dev = mei_txe_dev_init(pdev);
if (!dev) {
err = -ENOMEM;
goto release_regions;