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-rw-r--r--drivers/staging/kpc2000/kpc2000/cell_probe.c18
-rw-r--r--drivers/staging/kpc2000/kpc2000/core.c22
-rw-r--r--drivers/staging/kpc2000/kpc2000_i2c.c256
-rw-r--r--drivers/staging/kpc2000/kpc2000_spi.c29
-rw-r--r--drivers/staging/kpc2000/kpc_dma/fileops.c10
-rw-r--r--drivers/staging/kpc2000/kpc_dma/kpc_dma_driver.c2
6 files changed, 205 insertions, 132 deletions
diff --git a/drivers/staging/kpc2000/kpc2000/cell_probe.c b/drivers/staging/kpc2000/kpc2000/cell_probe.c
index c124a836db27..738122afc2ae 100644
--- a/drivers/staging/kpc2000/kpc2000/cell_probe.c
+++ b/drivers/staging/kpc2000/kpc2000/cell_probe.c
@@ -53,15 +53,15 @@ struct core_table_entry {
static
void parse_core_table_entry_v0(struct core_table_entry *cte, const u64 read_val)
{
- cte->type = ((read_val & 0xFFF0000000000000) >> 52);
- cte->offset = ((read_val & 0x00000000FFFF0000) >> 16) * 4096;
- cte->length = ((read_val & 0x0000FFFF00000000) >> 32) * 8;
- cte->s2c_dma_present = ((read_val & 0x0008000000000000) >> 51);
- cte->s2c_dma_channel_num = ((read_val & 0x0007000000000000) >> 48);
- cte->c2s_dma_present = ((read_val & 0x0000000000008000) >> 15);
- cte->c2s_dma_channel_num = ((read_val & 0x0000000000007000) >> 12);
- cte->irq_count = ((read_val & 0x0000000000000C00) >> 10);
- cte->irq_base_num = ((read_val & 0x00000000000003F8) >> 3);
+ cte->type = ((read_val & 0xFFF0000000000000UL) >> 52);
+ cte->offset = ((read_val & 0x00000000FFFF0000UL) >> 16) * 4096;
+ cte->length = ((read_val & 0x0000FFFF00000000UL) >> 32) * 8;
+ cte->s2c_dma_present = ((read_val & 0x0008000000000000UL) >> 51);
+ cte->s2c_dma_channel_num = ((read_val & 0x0007000000000000UL) >> 48);
+ cte->c2s_dma_present = ((read_val & 0x0000000000008000UL) >> 15);
+ cte->c2s_dma_channel_num = ((read_val & 0x0000000000007000UL) >> 12);
+ cte->irq_count = ((read_val & 0x0000000000000C00UL) >> 10);
+ cte->irq_base_num = ((read_val & 0x00000000000003F8UL) >> 3);
}
static
diff --git a/drivers/staging/kpc2000/kpc2000/core.c b/drivers/staging/kpc2000/kpc2000/core.c
index cb05cca687e1..93cf28febdf6 100644
--- a/drivers/staging/kpc2000/kpc2000/core.c
+++ b/drivers/staging/kpc2000/kpc2000/core.c
@@ -205,7 +205,7 @@ static void wait_and_read_ssid(struct kp2000_device *pcard)
u64 read_val = readq(pcard->sysinfo_regs_base + REG_FPGA_SSID);
unsigned long timeout;
- if (read_val & 0x8000000000000000) {
+ if (read_val & 0x8000000000000000UL) {
pcard->ssid = read_val;
return;
}
@@ -213,7 +213,7 @@ static void wait_and_read_ssid(struct kp2000_device *pcard)
timeout = jiffies + (HZ * 2);
do {
read_val = readq(pcard->sysinfo_regs_base + REG_FPGA_SSID);
- if (read_val & 0x8000000000000000) {
+ if (read_val & 0x8000000000000000UL) {
pcard->ssid = read_val;
return;
}
@@ -241,16 +241,16 @@ static int read_system_regs(struct kp2000_device *pcard)
}
read_val = readq(pcard->sysinfo_regs_base + REG_CARD_ID_AND_BUILD);
- pcard->card_id = (read_val & 0xFFFFFFFF00000000) >> 32;
- pcard->build_version = (read_val & 0x00000000FFFFFFFF) >> 0;
+ pcard->card_id = (read_val & 0xFFFFFFFF00000000UL) >> 32;
+ pcard->build_version = (read_val & 0x00000000FFFFFFFFUL) >> 0;
read_val = readq(pcard->sysinfo_regs_base + REG_DATE_AND_TIME_STAMPS);
- pcard->build_datestamp = (read_val & 0xFFFFFFFF00000000) >> 32;
- pcard->build_timestamp = (read_val & 0x00000000FFFFFFFF) >> 0;
+ pcard->build_datestamp = (read_val & 0xFFFFFFFF00000000UL) >> 32;
+ pcard->build_timestamp = (read_val & 0x00000000FFFFFFFFUL) >> 0;
read_val = readq(pcard->sysinfo_regs_base + REG_CORE_TABLE_OFFSET);
- pcard->core_table_length = (read_val & 0xFFFFFFFF00000000) >> 32;
- pcard->core_table_offset = (read_val & 0x00000000FFFFFFFF) >> 0;
+ pcard->core_table_length = (read_val & 0xFFFFFFFF00000000UL) >> 32;
+ pcard->core_table_offset = (read_val & 0x00000000FFFFFFFFUL) >> 0;
wait_and_read_ssid(pcard);
@@ -338,7 +338,7 @@ static int kp2000_pcie_probe(struct pci_dev *pdev,
reg_bar_phys_addr = pci_resource_start(pcard->pdev, REG_BAR);
reg_bar_phys_len = pci_resource_len(pcard->pdev, REG_BAR);
- pcard->regs_bar_base = ioremap_nocache(reg_bar_phys_addr, PAGE_SIZE);
+ pcard->regs_bar_base = ioremap(reg_bar_phys_addr, PAGE_SIZE);
if (!pcard->regs_bar_base) {
dev_err(&pcard->pdev->dev,
"probe: REG_BAR could not remap memory to virtual space\n");
@@ -367,7 +367,7 @@ static int kp2000_pcie_probe(struct pci_dev *pdev,
dma_bar_phys_addr = pci_resource_start(pcard->pdev, DMA_BAR);
dma_bar_phys_len = pci_resource_len(pcard->pdev, DMA_BAR);
- pcard->dma_bar_base = ioremap_nocache(dma_bar_phys_addr,
+ pcard->dma_bar_base = ioremap(dma_bar_phys_addr,
dma_bar_phys_len);
if (!pcard->dma_bar_base) {
dev_err(&pcard->pdev->dev,
@@ -401,7 +401,7 @@ static int kp2000_pcie_probe(struct pci_dev *pdev,
goto err_release_dma;
// Disable all "user" interrupts because they're not used yet.
- writeq(0xFFFFFFFFFFFFFFFF,
+ writeq(0xFFFFFFFFFFFFFFFFUL,
pcard->sysinfo_regs_base + REG_INTERRUPT_MASK);
// let the card master PCIe
diff --git a/drivers/staging/kpc2000/kpc2000_i2c.c b/drivers/staging/kpc2000/kpc2000_i2c.c
index b108da4ac633..25bb5c97dd21 100644
--- a/drivers/staging/kpc2000/kpc2000_i2c.c
+++ b/drivers/staging/kpc2000/kpc2000_i2c.c
@@ -32,7 +32,7 @@
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Matt.Sickler@Daktronics.com");
-struct i2c_device {
+struct kpc_i2c {
unsigned long smba;
struct i2c_adapter adapter;
unsigned int features;
@@ -99,7 +99,8 @@ struct i2c_device {
#define SMBHSTSTS_INTR 0x02
#define SMBHSTSTS_HOST_BUSY 0x01
-#define STATUS_FLAGS (SMBHSTSTS_BYTE_DONE | SMBHSTSTS_FAILED | SMBHSTSTS_BUS_ERR | SMBHSTSTS_DEV_ERR | SMBHSTSTS_INTR)
+#define STATUS_FLAGS (SMBHSTSTS_BYTE_DONE | SMBHSTSTS_FAILED | \
+ SMBHSTSTS_BUS_ERR | SMBHSTSTS_DEV_ERR | SMBHSTSTS_INTR)
/* Older devices have their ID defined in <linux/pci_ids.h> */
#define PCI_DEVICE_ID_INTEL_COUGARPOINT_SMBUS 0x1c22
@@ -123,30 +124,31 @@ struct i2c_device {
// FIXME!
#undef inb_p
-#define inb_p(a) readq((void *)a)
+#define inb_p(a) readq((void __iomem *)a)
#undef outb_p
-#define outb_p(d, a) writeq(d, (void *)a)
+#define outb_p(d, a) writeq(d, (void __iomem *)a)
/* Make sure the SMBus host is ready to start transmitting.
* Return 0 if it is, -EBUSY if it is not.
*/
-static int i801_check_pre(struct i2c_device *priv)
+static int i801_check_pre(struct kpc_i2c *priv)
{
int status;
status = inb_p(SMBHSTSTS(priv));
if (status & SMBHSTSTS_HOST_BUSY) {
- dev_err(&priv->adapter.dev, "SMBus is busy, can't use it! (status=%x)\n", status);
+ dev_err(&priv->adapter.dev,
+ "SMBus is busy, can't use it! (status=%x)\n", status);
return -EBUSY;
}
status &= STATUS_FLAGS;
if (status) {
- //dev_dbg(&priv->adapter.dev, "Clearing status flags (%02x)\n", status);
outb_p(status, SMBHSTSTS(priv));
status = inb_p(SMBHSTSTS(priv)) & STATUS_FLAGS;
if (status) {
- dev_err(&priv->adapter.dev, "Failed clearing status flags (%02x)\n", status);
+ dev_err(&priv->adapter.dev,
+ "Failed clearing status flags (%02x)\n", status);
return -EBUSY;
}
}
@@ -154,7 +156,7 @@ static int i801_check_pre(struct i2c_device *priv)
}
/* Convert the status register to an error code, and clear it. */
-static int i801_check_post(struct i2c_device *priv, int status, int timeout)
+static int i801_check_post(struct kpc_i2c *priv, int status, int timeout)
{
int result = 0;
@@ -162,15 +164,20 @@ static int i801_check_post(struct i2c_device *priv, int status, int timeout)
if (timeout) {
dev_err(&priv->adapter.dev, "Transaction timeout\n");
/* try to stop the current command */
- dev_dbg(&priv->adapter.dev, "Terminating the current operation\n");
- outb_p(inb_p(SMBHSTCNT(priv)) | SMBHSTCNT_KILL, SMBHSTCNT(priv));
+ dev_dbg(&priv->adapter.dev,
+ "Terminating the current operation\n");
+ outb_p(inb_p(SMBHSTCNT(priv)) | SMBHSTCNT_KILL,
+ SMBHSTCNT(priv));
usleep_range(1000, 2000);
- outb_p(inb_p(SMBHSTCNT(priv)) & (~SMBHSTCNT_KILL), SMBHSTCNT(priv));
+ outb_p(inb_p(SMBHSTCNT(priv)) & (~SMBHSTCNT_KILL),
+ SMBHSTCNT(priv));
/* Check if it worked */
status = inb_p(SMBHSTSTS(priv));
- if ((status & SMBHSTSTS_HOST_BUSY) || !(status & SMBHSTSTS_FAILED))
- dev_err(&priv->adapter.dev, "Failed terminating the transaction\n");
+ if ((status & SMBHSTSTS_HOST_BUSY) ||
+ !(status & SMBHSTSTS_FAILED))
+ dev_err(&priv->adapter.dev,
+ "Failed terminating the transaction\n");
outb_p(STATUS_FLAGS, SMBHSTSTS(priv));
return -ETIMEDOUT;
}
@@ -199,7 +206,7 @@ static int i801_check_post(struct i2c_device *priv, int status, int timeout)
return result;
}
-static int i801_transaction(struct i2c_device *priv, int xact)
+static int i801_transaction(struct kpc_i2c *priv, int xact)
{
int status;
int result;
@@ -228,7 +235,7 @@ static int i801_transaction(struct i2c_device *priv, int xact)
}
/* wait for INTR bit as advised by Intel */
-static void i801_wait_hwpec(struct i2c_device *priv)
+static void i801_wait_hwpec(struct kpc_i2c *priv)
{
int timeout = 0;
int status;
@@ -244,7 +251,9 @@ static void i801_wait_hwpec(struct i2c_device *priv)
outb_p(status, SMBHSTSTS(priv));
}
-static int i801_block_transaction_by_block(struct i2c_device *priv, union i2c_smbus_data *data, char read_write, int hwpec)
+static int i801_block_transaction_by_block(struct kpc_i2c *priv,
+ union i2c_smbus_data *data,
+ char read_write, int hwpec)
{
int i, len;
int status;
@@ -259,7 +268,8 @@ static int i801_block_transaction_by_block(struct i2c_device *priv, union i2c_sm
outb_p(data->block[i + 1], SMBBLKDAT(priv));
}
- status = i801_transaction(priv, I801_BLOCK_DATA | ENABLE_INT9 | I801_PEC_EN * hwpec);
+ status = i801_transaction(priv,
+ I801_BLOCK_DATA | ENABLE_INT9 | I801_PEC_EN * hwpec);
if (status)
return status;
@@ -275,7 +285,10 @@ static int i801_block_transaction_by_block(struct i2c_device *priv, union i2c_sm
return 0;
}
-static int i801_block_transaction_byte_by_byte(struct i2c_device *priv, union i2c_smbus_data *data, char read_write, int command, int hwpec)
+static int i801_block_transaction_byte_by_byte(struct kpc_i2c *priv,
+ union i2c_smbus_data *data,
+ char read_write, int command,
+ int hwpec)
{
int i, len;
int smbcmd;
@@ -301,7 +314,8 @@ static int i801_block_transaction_byte_by_byte(struct i2c_device *priv, union i2
else
smbcmd = I801_BLOCK_LAST;
} else {
- if (command == I2C_SMBUS_I2C_BLOCK_DATA && read_write == I2C_SMBUS_READ)
+ if (command == I2C_SMBUS_I2C_BLOCK_DATA &&
+ read_write == I2C_SMBUS_READ)
smbcmd = I801_I2C_BLOCK_DATA;
else
smbcmd = I801_BLOCK_DATA;
@@ -309,25 +323,33 @@ static int i801_block_transaction_byte_by_byte(struct i2c_device *priv, union i2
outb_p(smbcmd | ENABLE_INT9, SMBHSTCNT(priv));
if (i == 1)
- outb_p(inb(SMBHSTCNT(priv)) | I801_START, SMBHSTCNT(priv));
+ outb_p(inb(SMBHSTCNT(priv)) | I801_START,
+ SMBHSTCNT(priv));
/* We will always wait for a fraction of a second! */
timeout = 0;
do {
usleep_range(250, 500);
status = inb_p(SMBHSTSTS(priv));
- } while ((!(status & SMBHSTSTS_BYTE_DONE)) && (timeout++ < MAX_RETRIES));
+ } while (!(status & SMBHSTSTS_BYTE_DONE) &&
+ (timeout++ < MAX_RETRIES));
result = i801_check_post(priv, status, timeout > MAX_RETRIES);
if (result < 0)
return result;
- if (i == 1 && read_write == I2C_SMBUS_READ && command != I2C_SMBUS_I2C_BLOCK_DATA) {
+ if (i == 1 && read_write == I2C_SMBUS_READ &&
+ command != I2C_SMBUS_I2C_BLOCK_DATA) {
len = inb_p(SMBHSTDAT0(priv));
if (len < 1 || len > I2C_SMBUS_BLOCK_MAX) {
- dev_err(&priv->adapter.dev, "Illegal SMBus block read size %d\n", len);
+ dev_err(&priv->adapter.dev,
+ "Illegal SMBus block read size %d\n",
+ len);
/* Recover */
- while (inb_p(SMBHSTSTS(priv)) & SMBHSTSTS_HOST_BUSY)
- outb_p(SMBHSTSTS_BYTE_DONE, SMBHSTSTS(priv));
- outb_p(SMBHSTSTS_INTR, SMBHSTSTS(priv));
+ while (inb_p(SMBHSTSTS(priv)) &
+ SMBHSTSTS_HOST_BUSY)
+ outb_p(SMBHSTSTS_BYTE_DONE,
+ SMBHSTSTS(priv));
+ outb_p(SMBHSTSTS_INTR,
+ SMBHSTSTS(priv));
return -EPROTO;
}
data->block[0] = len;
@@ -345,7 +367,7 @@ static int i801_block_transaction_byte_by_byte(struct i2c_device *priv, union i2
return 0;
}
-static int i801_set_block_buffer_mode(struct i2c_device *priv)
+static int i801_set_block_buffer_mode(struct kpc_i2c *priv)
{
outb_p(inb_p(SMBAUXCTL(priv)) | SMBAUXCTL_E32B, SMBAUXCTL(priv));
if ((inb_p(SMBAUXCTL(priv)) & SMBAUXCTL_E32B) == 0)
@@ -354,7 +376,9 @@ static int i801_set_block_buffer_mode(struct i2c_device *priv)
}
/* Block transaction function */
-static int i801_block_transaction(struct i2c_device *priv, union i2c_smbus_data *data, char read_write, int command, int hwpec)
+static int i801_block_transaction(struct kpc_i2c *priv,
+ union i2c_smbus_data *data, char read_write,
+ int command, int hwpec)
{
int result = 0;
//unsigned char hostc;
@@ -366,12 +390,14 @@ static int i801_block_transaction(struct i2c_device *priv, union i2c_smbus_data
//pci_read_config_byte(priv->pci_dev, SMBHSTCFG, &hostc);
//pci_write_config_byte(priv->pci_dev, SMBHSTCFG, hostc | SMBHSTCFG_I2C_EN);
} else if (!(priv->features & FEATURE_I2C_BLOCK_READ)) {
- dev_err(&priv->adapter.dev, "I2C block read is unsupported!\n");
+ dev_err(&priv->adapter.dev,
+ "I2C block read is unsupported!\n");
return -EOPNOTSUPP;
}
}
- if (read_write == I2C_SMBUS_WRITE || command == I2C_SMBUS_I2C_BLOCK_DATA) {
+ if (read_write == I2C_SMBUS_WRITE ||
+ command == I2C_SMBUS_I2C_BLOCK_DATA) {
if (data->block[0] < 1)
data->block[0] = 1;
if (data->block[0] > I2C_SMBUS_BLOCK_MAX)
@@ -384,13 +410,21 @@ static int i801_block_transaction(struct i2c_device *priv, union i2c_smbus_data
* SMBus (not I2C) block transactions, even though the datasheet
* doesn't mention this limitation.
*/
- if ((priv->features & FEATURE_BLOCK_BUFFER) && command != I2C_SMBUS_I2C_BLOCK_DATA && i801_set_block_buffer_mode(priv) == 0)
- result = i801_block_transaction_by_block(priv, data, read_write, hwpec);
- else
- result = i801_block_transaction_byte_by_byte(priv, data, read_write, command, hwpec);
+ if ((priv->features & FEATURE_BLOCK_BUFFER) &&
+ command != I2C_SMBUS_I2C_BLOCK_DATA &&
+ i801_set_block_buffer_mode(priv) == 0) {
+ result = i801_block_transaction_by_block(priv, data,
+ read_write, hwpec);
+ } else {
+ result = i801_block_transaction_byte_by_byte(priv, data,
+ read_write,
+ command, hwpec);
+ }
+
if (result == 0 && hwpec)
i801_wait_hwpec(priv);
- if (command == I2C_SMBUS_I2C_BLOCK_DATA && read_write == I2C_SMBUS_WRITE) {
+ if (command == I2C_SMBUS_I2C_BLOCK_DATA &&
+ read_write == I2C_SMBUS_WRITE) {
/* restore saved configuration register value */
//TODO: Figure out the right thing to do here...
//pci_write_config_byte(priv->pci_dev, SMBHSTCFG, hostc);
@@ -399,32 +433,41 @@ static int i801_block_transaction(struct i2c_device *priv, union i2c_smbus_data
}
/* Return negative errno on error. */
-static s32 i801_access(struct i2c_adapter *adap, u16 addr, unsigned short flags, char read_write, u8 command, int size, union i2c_smbus_data *data)
+static s32 i801_access(struct i2c_adapter *adap, u16 addr,
+ unsigned short flags, char read_write, u8 command,
+ int size, union i2c_smbus_data *data)
{
int hwpec;
int block = 0;
int ret, xact = 0;
- struct i2c_device *priv = i2c_get_adapdata(adap);
+ struct kpc_i2c *priv = i2c_get_adapdata(adap);
- hwpec = (priv->features & FEATURE_SMBUS_PEC) && (flags & I2C_CLIENT_PEC) && size != I2C_SMBUS_QUICK && size != I2C_SMBUS_I2C_BLOCK_DATA;
+ hwpec = (priv->features & FEATURE_SMBUS_PEC) &&
+ (flags & I2C_CLIENT_PEC) &&
+ size != I2C_SMBUS_QUICK && size != I2C_SMBUS_I2C_BLOCK_DATA;
switch (size) {
case I2C_SMBUS_QUICK:
dev_dbg(&priv->adapter.dev, " [acc] SMBUS_QUICK\n");
- outb_p(((addr & 0x7f) << 1) | (read_write & 0x01), SMBHSTADD(priv));
+ outb_p(((addr & 0x7f) << 1) | (read_write & 0x01),
+ SMBHSTADD(priv));
+
xact = I801_QUICK;
break;
case I2C_SMBUS_BYTE:
dev_dbg(&priv->adapter.dev, " [acc] SMBUS_BYTE\n");
- outb_p(((addr & 0x7f) << 1) | (read_write & 0x01), SMBHSTADD(priv));
+ outb_p(((addr & 0x7f) << 1) | (read_write & 0x01),
+ SMBHSTADD(priv));
if (read_write == I2C_SMBUS_WRITE)
outb_p(command, SMBHSTCMD(priv));
xact = I801_BYTE;
break;
case I2C_SMBUS_BYTE_DATA:
dev_dbg(&priv->adapter.dev, " [acc] SMBUS_BYTE_DATA\n");
- outb_p(((addr & 0x7f) << 1) | (read_write & 0x01), SMBHSTADD(priv));
+ outb_p(((addr & 0x7f) << 1) | (read_write & 0x01),
+ SMBHSTADD(priv));
+
outb_p(command, SMBHSTCMD(priv));
if (read_write == I2C_SMBUS_WRITE)
outb_p(data->byte, SMBHSTDAT0(priv));
@@ -432,7 +475,9 @@ static s32 i801_access(struct i2c_adapter *adap, u16 addr, unsigned short flags,
break;
case I2C_SMBUS_WORD_DATA:
dev_dbg(&priv->adapter.dev, " [acc] SMBUS_WORD_DATA\n");
- outb_p(((addr & 0x7f) << 1) | (read_write & 0x01), SMBHSTADD(priv));
+ outb_p(((addr & 0x7f) << 1) | (read_write & 0x01),
+ SMBHSTADD(priv));
+
outb_p(command, SMBHSTCMD(priv));
if (read_write == I2C_SMBUS_WRITE) {
outb_p(data->word & 0xff, SMBHSTDAT0(priv));
@@ -442,7 +487,9 @@ static s32 i801_access(struct i2c_adapter *adap, u16 addr, unsigned short flags,
break;
case I2C_SMBUS_BLOCK_DATA:
dev_dbg(&priv->adapter.dev, " [acc] SMBUS_BLOCK_DATA\n");
- outb_p(((addr & 0x7f) << 1) | (read_write & 0x01), SMBHSTADD(priv));
+ outb_p(((addr & 0x7f) << 1) | (read_write & 0x01),
+ SMBHSTADD(priv));
+
outb_p(command, SMBHSTCMD(priv));
block = 1;
break;
@@ -463,7 +510,8 @@ static s32 i801_access(struct i2c_adapter *adap, u16 addr, unsigned short flags,
block = 1;
break;
default:
- dev_dbg(&priv->adapter.dev, " [acc] Unsupported transaction %d\n", size);
+ dev_dbg(&priv->adapter.dev,
+ " [acc] Unsupported transaction %d\n", size);
return -EOPNOTSUPP;
}
@@ -472,13 +520,14 @@ static s32 i801_access(struct i2c_adapter *adap, u16 addr, unsigned short flags,
outb_p(inb_p(SMBAUXCTL(priv)) | SMBAUXCTL_CRC, SMBAUXCTL(priv));
} else {
dev_dbg(&priv->adapter.dev, " [acc] hwpec: no\n");
- outb_p(inb_p(SMBAUXCTL(priv)) & (~SMBAUXCTL_CRC), SMBAUXCTL(priv));
+ outb_p(inb_p(SMBAUXCTL(priv)) &
+ (~SMBAUXCTL_CRC), SMBAUXCTL(priv));
}
if (block) {
- //ret = 0;
dev_dbg(&priv->adapter.dev, " [acc] block: yes\n");
- ret = i801_block_transaction(priv, data, read_write, size, hwpec);
+ ret = i801_block_transaction(priv, data, read_write, size,
+ hwpec);
} else {
dev_dbg(&priv->adapter.dev, " [acc] block: no\n");
ret = i801_transaction(priv, xact | ENABLE_INT9);
@@ -490,7 +539,8 @@ static s32 i801_access(struct i2c_adapter *adap, u16 addr, unsigned short flags,
*/
if (hwpec || block) {
dev_dbg(&priv->adapter.dev, " [acc] hwpec || block\n");
- outb_p(inb_p(SMBAUXCTL(priv)) & ~(SMBAUXCTL_CRC | SMBAUXCTL_E32B), SMBAUXCTL(priv));
+ outb_p(inb_p(SMBAUXCTL(priv)) & ~(SMBAUXCTL_CRC |
+ SMBAUXCTL_E32B), SMBAUXCTL(priv));
}
if (block) {
dev_dbg(&priv->adapter.dev, " [acc] block\n");
@@ -501,27 +551,34 @@ static s32 i801_access(struct i2c_adapter *adap, u16 addr, unsigned short flags,
return ret;
}
if ((read_write == I2C_SMBUS_WRITE) || (xact == I801_QUICK)) {
- dev_dbg(&priv->adapter.dev, " [acc] I2C_SMBUS_WRITE || I801_QUICK -> ret 0\n");
+ dev_dbg(&priv->adapter.dev,
+ " [acc] I2C_SMBUS_WRITE || I801_QUICK -> ret 0\n");
return 0;
}
switch (xact & 0x7f) {
case I801_BYTE: /* Result put in SMBHSTDAT0 */
case I801_BYTE_DATA:
- dev_dbg(&priv->adapter.dev, " [acc] I801_BYTE or I801_BYTE_DATA\n");
+ dev_dbg(&priv->adapter.dev,
+ " [acc] I801_BYTE or I801_BYTE_DATA\n");
data->byte = inb_p(SMBHSTDAT0(priv));
break;
case I801_WORD_DATA:
dev_dbg(&priv->adapter.dev, " [acc] I801_WORD_DATA\n");
- data->word = inb_p(SMBHSTDAT0(priv)) + (inb_p(SMBHSTDAT1(priv)) << 8);
+ data->word = inb_p(SMBHSTDAT0(priv)) +
+ (inb_p(SMBHSTDAT1(priv)) << 8);
break;
}
return 0;
}
+#define enable_flag(x) (x)
+#define disable_flag(x) 0
+#define enable_flag_if(x, cond) ((cond) ? (x) : 0)
+
static u32 i801_func(struct i2c_adapter *adapter)
{
- struct i2c_device *priv = i2c_get_adapdata(adapter);
+ struct kpc_i2c *priv = i2c_get_adapdata(adapter);
/* original settings
* u32 f = I2C_FUNC_SMBUS_QUICK | I2C_FUNC_SMBUS_BYTE |
@@ -535,33 +592,54 @@ static u32 i801_func(struct i2c_adapter *adapter)
// http://lxr.free-electrons.com/source/include/uapi/linux/i2c.h#L85
u32 f =
- I2C_FUNC_I2C | /* 0x00000001 (I enabled this one) */
- !I2C_FUNC_10BIT_ADDR | /* 0x00000002 */
- !I2C_FUNC_PROTOCOL_MANGLING | /* 0x00000004 */
- ((priv->features & FEATURE_SMBUS_PEC) ? I2C_FUNC_SMBUS_PEC : 0) | /* 0x00000008 */
- !I2C_FUNC_SMBUS_BLOCK_PROC_CALL | /* 0x00008000 */
- I2C_FUNC_SMBUS_QUICK | /* 0x00010000 */
- !I2C_FUNC_SMBUS_READ_BYTE | /* 0x00020000 */
- !I2C_FUNC_SMBUS_WRITE_BYTE | /* 0x00040000 */
- !I2C_FUNC_SMBUS_READ_BYTE_DATA | /* 0x00080000 */
- !I2C_FUNC_SMBUS_WRITE_BYTE_DATA | /* 0x00100000 */
- !I2C_FUNC_SMBUS_READ_WORD_DATA | /* 0x00200000 */
- !I2C_FUNC_SMBUS_WRITE_WORD_DATA | /* 0x00400000 */
- !I2C_FUNC_SMBUS_PROC_CALL | /* 0x00800000 */
- !I2C_FUNC_SMBUS_READ_BLOCK_DATA | /* 0x01000000 */
- !I2C_FUNC_SMBUS_WRITE_BLOCK_DATA | /* 0x02000000 */
- ((priv->features & FEATURE_I2C_BLOCK_READ) ? I2C_FUNC_SMBUS_READ_I2C_BLOCK : 0) | /* 0x04000000 */
- I2C_FUNC_SMBUS_WRITE_I2C_BLOCK | /* 0x08000000 */
-
- I2C_FUNC_SMBUS_BYTE | /* _READ_BYTE _WRITE_BYTE */
- I2C_FUNC_SMBUS_BYTE_DATA | /* _READ_BYTE_DATA _WRITE_BYTE_DATA */
- I2C_FUNC_SMBUS_WORD_DATA | /* _READ_WORD_DATA _WRITE_WORD_DATA */
- I2C_FUNC_SMBUS_BLOCK_DATA | /* _READ_BLOCK_DATA _WRITE_BLOCK_DATA */
- !I2C_FUNC_SMBUS_I2C_BLOCK | /* _READ_I2C_BLOCK _WRITE_I2C_BLOCK */
- !I2C_FUNC_SMBUS_EMUL; /* _QUICK _BYTE _BYTE_DATA _WORD_DATA _PROC_CALL _WRITE_BLOCK_DATA _I2C_BLOCK _PEC */
+ enable_flag(I2C_FUNC_I2C) | /* 0x00000001(I enabled this one) */
+ disable_flag(I2C_FUNC_10BIT_ADDR) | /* 0x00000002 */
+ disable_flag(I2C_FUNC_PROTOCOL_MANGLING) | /* 0x00000004 */
+ enable_flag_if(I2C_FUNC_SMBUS_PEC,
+ priv->features & FEATURE_SMBUS_PEC) |
+ /* 0x00000008 */
+ disable_flag(I2C_FUNC_SMBUS_BLOCK_PROC_CALL) | /* 0x00008000 */
+ enable_flag(I2C_FUNC_SMBUS_QUICK) | /* 0x00010000 */
+ disable_flag(I2C_FUNC_SMBUS_READ_BYTE) | /* 0x00020000 */
+ disable_flag(I2C_FUNC_SMBUS_WRITE_BYTE) | /* 0x00040000 */
+ disable_flag(I2C_FUNC_SMBUS_READ_BYTE_DATA) | /* 0x00080000 */
+ disable_flag(I2C_FUNC_SMBUS_WRITE_BYTE_DATA) | /* 0x00100000 */
+ disable_flag(I2C_FUNC_SMBUS_READ_WORD_DATA) | /* 0x00200000 */
+ disable_flag(I2C_FUNC_SMBUS_WRITE_WORD_DATA) | /* 0x00400000 */
+ disable_flag(I2C_FUNC_SMBUS_PROC_CALL) | /* 0x00800000 */
+ disable_flag(I2C_FUNC_SMBUS_READ_BLOCK_DATA) | /* 0x01000000 */
+ disable_flag(I2C_FUNC_SMBUS_WRITE_BLOCK_DATA) | /* 0x02000000 */
+ enable_flag_if(I2C_FUNC_SMBUS_READ_I2C_BLOCK,
+ priv->features & FEATURE_I2C_BLOCK_READ) |
+ /* 0x04000000 */
+ enable_flag(I2C_FUNC_SMBUS_WRITE_I2C_BLOCK) | /* 0x08000000 */
+
+ enable_flag(I2C_FUNC_SMBUS_BYTE) | /* _READ_BYTE _WRITE_BYTE */
+ enable_flag(I2C_FUNC_SMBUS_BYTE_DATA) | /* _READ_BYTE_DATA
+ * _WRITE_BYTE_DATA
+ */
+ enable_flag(I2C_FUNC_SMBUS_WORD_DATA) | /* _READ_WORD_DATA
+ * _WRITE_WORD_DATA
+ */
+ enable_flag(I2C_FUNC_SMBUS_BLOCK_DATA) | /* _READ_BLOCK_DATA
+ * _WRITE_BLOCK_DATA
+ */
+ disable_flag(I2C_FUNC_SMBUS_I2C_BLOCK) | /* _READ_I2C_BLOCK
+ * _WRITE_I2C_BLOCK
+ */
+ disable_flag(I2C_FUNC_SMBUS_EMUL); /* _QUICK _BYTE
+ * _BYTE_DATA _WORD_DATA
+ * _PROC_CALL
+ * _WRITE_BLOCK_DATA
+ * _I2C_BLOCK _PEC
+ */
return f;
}
+#undef enable_flag
+#undef disable_flag
+#undef enable_flag_if
+
static const struct i2c_algorithm smbus_algorithm = {
.smbus_xfer = i801_access,
.functionality = i801_func,
@@ -570,10 +648,10 @@ static const struct i2c_algorithm smbus_algorithm = {
/********************************
*** Part 2 - Driver Handlers ***
********************************/
-static int pi2c_probe(struct platform_device *pldev)
+static int kpc_i2c_probe(struct platform_device *pldev)
{
int err;
- struct i2c_device *priv;
+ struct kpc_i2c *priv;
struct resource *res;
priv = devm_kzalloc(&pldev->dev, sizeof(*priv), GFP_KERNEL);
@@ -589,7 +667,7 @@ static int pi2c_probe(struct platform_device *pldev)
if (!res)
return -ENXIO;
- priv->smba = (unsigned long)devm_ioremap_nocache(&pldev->dev,
+ priv->smba = (unsigned long)devm_ioremap(&pldev->dev,
res->start,
resource_size(res));
if (!priv->smba)
@@ -610,8 +688,8 @@ static int pi2c_probe(struct platform_device *pldev)
/* Retry up to 3 times on lost arbitration */
priv->adapter.retries = 3;
- //snprintf(priv->adapter.name, sizeof(priv->adapter.name), "Fake SMBus I801 adapter at %04lx", priv->smba);
- snprintf(priv->adapter.name, sizeof(priv->adapter.name), "Fake SMBus I801 adapter");
+ snprintf(priv->adapter.name, sizeof(priv->adapter.name),
+ "Fake SMBus I801 adapter");
err = i2c_add_adapter(&priv->adapter);
if (err) {
@@ -622,11 +700,11 @@ static int pi2c_probe(struct platform_device *pldev)
return 0;
}
-static int pi2c_remove(struct platform_device *pldev)
+static int kpc_i2c_remove(struct platform_device *pldev)
{
- struct i2c_device *lddev;
+ struct kpc_i2c *lddev;
- lddev = (struct i2c_device *)platform_get_drvdata(pldev);
+ lddev = (struct kpc_i2c *)platform_get_drvdata(pldev);
i2c_del_adapter(&lddev->adapter);
@@ -640,12 +718,12 @@ static int pi2c_remove(struct platform_device *pldev)
return 0;
}
-static struct platform_driver i2c_plat_driver_i = {
- .probe = pi2c_probe,
- .remove = pi2c_remove,
+static struct platform_driver kpc_i2c_driver = {
+ .probe = kpc_i2c_probe,
+ .remove = kpc_i2c_remove,
.driver = {
.name = KP_DRIVER_NAME_I2C,
},
};
-module_platform_driver(i2c_plat_driver_i);
+module_platform_driver(kpc_i2c_driver);
diff --git a/drivers/staging/kpc2000/kpc2000_spi.c b/drivers/staging/kpc2000/kpc2000_spi.c
index 35ac1d7070b3..1c360daa703d 100644
--- a/drivers/staging/kpc2000/kpc2000_spi.c
+++ b/drivers/staging/kpc2000/kpc2000_spi.c
@@ -50,6 +50,7 @@ static struct flash_platform_data p2kr0_spi0_pdata = {
.nr_parts = ARRAY_SIZE(p2kr0_spi0_parts),
.parts = p2kr0_spi0_parts,
};
+
static struct flash_platform_data p2kr0_spi1_pdata = {
.name = "SPI1",
.nr_parts = ARRAY_SIZE(p2kr0_spi1_parts),
@@ -162,14 +163,12 @@ union kp_spi_ffctrl {
kp_spi_read_reg(struct kp_spi_controller_state *cs, int idx)
{
u64 __iomem *addr = cs->base;
- u64 val;
addr += idx;
if ((idx == KP_SPI_REG_CONFIG) && (cs->conf_cache >= 0))
return cs->conf_cache;
- val = readq(addr);
- return val;
+ return readq(addr);
}
static inline void
@@ -227,8 +226,7 @@ kp_spi_txrx_pio(struct spi_device *spidev, struct spi_transfer *transfer)
kp_spi_write_reg(cs, KP_SPI_REG_TXDATA, val);
processed++;
}
- }
- else if (rx) {
+ } else if (rx) {
for (i = 0 ; i < c ; i++) {
char test = 0;
@@ -315,19 +313,19 @@ kp_spi_transfer_one_message(struct spi_master *master, struct spi_message *m)
if (transfer->speed_hz > KP_SPI_CLK ||
(len && !(rx_buf || tx_buf))) {
dev_dbg(kpspi->dev, " transfer: %d Hz, %d %s%s, %d bpw\n",
- transfer->speed_hz,
- len,
- tx_buf ? "tx" : "",
- rx_buf ? "rx" : "",
- transfer->bits_per_word);
+ transfer->speed_hz,
+ len,
+ tx_buf ? "tx" : "",
+ rx_buf ? "rx" : "",
+ transfer->bits_per_word);
dev_dbg(kpspi->dev, " transfer -EINVAL\n");
return -EINVAL;
}
if (transfer->speed_hz &&
transfer->speed_hz < (KP_SPI_CLK >> 15)) {
dev_dbg(kpspi->dev, "speed_hz %d below minimum %d Hz\n",
- transfer->speed_hz,
- KP_SPI_CLK >> 15);
+ transfer->speed_hz,
+ KP_SPI_CLK >> 15);
dev_dbg(kpspi->dev, " speed_hz -EINVAL\n");
return -EINVAL;
}
@@ -412,8 +410,7 @@ kp_spi_cleanup(struct spi_device *spidev)
{
struct kp_spi_controller_state *cs = spidev->controller_state;
- if (cs)
- kfree(cs);
+ kfree(cs);
}
/******************
@@ -467,7 +464,7 @@ kp_spi_probe(struct platform_device *pldev)
goto free_master;
}
- kpspi->base = devm_ioremap_nocache(&pldev->dev, r->start,
+ kpspi->base = devm_ioremap(&pldev->dev, r->start,
resource_size(r));
status = spi_register_master(master);
@@ -479,7 +476,7 @@ kp_spi_probe(struct platform_device *pldev)
/* register the slave boards */
#define NEW_SPI_DEVICE_FROM_BOARD_INFO_TABLE(table) \
for (i = 0 ; i < ARRAY_SIZE(table) ; i++) { \
- spi_new_device(master, &(table[i])); \
+ spi_new_device(master, &table[i]); \
}
switch ((drvdata->card_id & 0xFFFF0000) >> 16) {
diff --git a/drivers/staging/kpc2000/kpc_dma/fileops.c b/drivers/staging/kpc2000/kpc_dma/fileops.c
index 48ca88bc6b0b..40525540dde6 100644
--- a/drivers/staging/kpc2000/kpc_dma/fileops.c
+++ b/drivers/staging/kpc2000/kpc_dma/fileops.c
@@ -49,9 +49,7 @@ static int kpc_dma_transfer(struct dev_private_data *priv,
u64 dma_addr;
u64 user_ctl;
- BUG_ON(priv == NULL);
ldev = priv->ldev;
- BUG_ON(ldev == NULL);
acd = kzalloc(sizeof(*acd), GFP_KERNEL);
if (!acd) {
@@ -146,15 +144,15 @@ static int kpc_dma_transfer(struct dev_private_data *priv,
card_addr += desc->DescByteCount;
dma_addr = sg_dma_address(sg) + (p * 0x80000);
- desc->DescSystemAddrLS = (dma_addr & 0x00000000FFFFFFFF) >> 0;
- desc->DescSystemAddrMS = (dma_addr & 0xFFFFFFFF00000000) >> 32;
+ desc->DescSystemAddrLS = (dma_addr & 0x00000000FFFFFFFFUL) >> 0;
+ desc->DescSystemAddrMS = (dma_addr & 0xFFFFFFFF00000000UL) >> 32;
user_ctl = acd->priv->user_ctl;
if (i == acd->mapped_entry_count-1 && p == pcnt-1) {
user_ctl = acd->priv->user_ctl_last;
}
- desc->DescUserControlLS = (user_ctl & 0x00000000FFFFFFFF) >> 0;
- desc->DescUserControlMS = (user_ctl & 0xFFFFFFFF00000000) >> 32;
+ desc->DescUserControlLS = (user_ctl & 0x00000000FFFFFFFFUL) >> 0;
+ desc->DescUserControlMS = (user_ctl & 0xFFFFFFFF00000000UL) >> 32;
if (i == acd->mapped_entry_count-1 && p == pcnt-1)
desc->acd = acd;
diff --git a/drivers/staging/kpc2000/kpc_dma/kpc_dma_driver.c b/drivers/staging/kpc2000/kpc_dma/kpc_dma_driver.c
index a05ae6d40db9..ec79a8500caf 100644
--- a/drivers/staging/kpc2000/kpc_dma/kpc_dma_driver.c
+++ b/drivers/staging/kpc2000/kpc_dma/kpc_dma_driver.c
@@ -122,7 +122,7 @@ int kpc_dma_probe(struct platform_device *pldev)
rv = -ENXIO;
goto err_kfree;
}
- ldev->eng_regs = ioremap_nocache(r->start, resource_size(r));
+ ldev->eng_regs = ioremap(r->start, resource_size(r));
if (!ldev->eng_regs) {
dev_err(&ldev->pldev->dev, "%s: failed to ioremap engine regs!\n", __func__);
rv = -ENXIO;
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