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Diffstat (limited to 'src/soc/intel/common/block/i2c')
-rw-r--r--src/soc/intel/common/block/i2c/lpss_i2c.c19
1 files changed, 11 insertions, 8 deletions
diff --git a/src/soc/intel/common/block/i2c/lpss_i2c.c b/src/soc/intel/common/block/i2c/lpss_i2c.c
index 5b188f8c22..711517f6d3 100644
--- a/src/soc/intel/common/block/i2c/lpss_i2c.c
+++ b/src/soc/intel/common/block/i2c/lpss_i2c.c
@@ -258,7 +258,7 @@ static int lpss_i2c_wait_for_bus_idle(struct lpss_i2c_regs *regs)
/* Transfer one byte of one segment, sending stop bit if requested */
static int lpss_i2c_transfer_byte(struct lpss_i2c_regs *regs,
- struct i2c_seg *segment,
+ struct i2c_msg *segment,
size_t byte, int send_stop)
{
struct stopwatch sw;
@@ -266,7 +266,7 @@ static int lpss_i2c_transfer_byte(struct lpss_i2c_regs *regs,
stopwatch_init_usecs_expire(&sw, LPSS_I2C_TIMEOUT_US);
- if (!segment->read) {
+ if (!(segment->flags & I2C_M_RD)) {
/* Write op only: Wait for FIFO not full */
while (!(read32(&regs->status) & STATUS_TX_FIFO_NOT_FULL)) {
if (stopwatch_expired(&sw)) {
@@ -283,7 +283,7 @@ static int lpss_i2c_transfer_byte(struct lpss_i2c_regs *regs,
write32(&regs->cmd_data, cmd);
- if (segment->read) {
+ if (segment->flags & I2C_M_RD) {
/* Read op only: Wait for FIFO data and store it */
while (!(read32(&regs->status) & STATUS_RX_FIFO_NOT_EMPTY)) {
if (stopwatch_expired(&sw)) {
@@ -298,7 +298,8 @@ static int lpss_i2c_transfer_byte(struct lpss_i2c_regs *regs,
}
/* Global I2C bus handler, defined in include/i2c.h */
-int platform_i2c_transfer(unsigned int bus, struct i2c_seg *segments, int count)
+int platform_i2c_transfer(unsigned int bus, struct i2c_msg *segments,
+ int count)
{
struct stopwatch sw;
struct lpss_i2c_regs *regs;
@@ -325,11 +326,12 @@ int platform_i2c_transfer(unsigned int bus, struct i2c_seg *segments, int count)
while (count--) {
if (CONFIG_SOC_INTEL_COMMON_LPSS_I2C_DEBUG)
printk(BIOS_DEBUG, "i2c %u:%02x %s %d bytes : ",
- bus, segments->chip, segments->read ? "R" : "W",
+ bus, segments->slave,
+ (segments->flags & I2C_M_RD) ? "R" : "W",
segments->len);
/* Set target slave address */
- write32(&regs->target_addr, segments->chip);
+ write32(&regs->target_addr, segments->slave);
/* Read or write each byte in segment */
for (byte = 0; byte < segments->len; byte++) {
@@ -341,8 +343,9 @@ int platform_i2c_transfer(unsigned int bus, struct i2c_seg *segments, int count)
if (lpss_i2c_transfer_byte(regs, segments, byte,
count == 0) < 0) {
printk(BIOS_ERR, "I2C %s failed: bus %u "
- "addr 0x%02x\n", segments->read ?
- "read" : "write", bus, segments->chip);
+ "addr 0x%02x\n",
+ (segments->flags & I2C_M_RD) ?
+ "read" : "write", bus, segments->slave);
goto out;
}
}