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print the source of I2C errors

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This commit is contained in:
Tomasz Pala
2017-09-29 11:39:56 +02:00
parent f84d196a1e
commit d472e9ccb7
2 changed files with 12 additions and 12 deletions
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8
frontends/cxd2099.c
View File

@@ -73,7 +73,7 @@ static int i2c_write_reg(struct i2c_adapter *adapter, u8 adr,
struct i2c_msg msg = {.addr = adr, .flags = 0, .buf = m, .len = 2}; struct i2c_msg msg = {.addr = adr, .flags = 0, .buf = m, .len = 2};
if (i2c_transfer(adapter, &msg, 1) != 1) { if (i2c_transfer(adapter, &msg, 1) != 1) {
pr_err("Failed to write to I2C register %02x@%02x!\n", pr_err("cxd2099: failed to write to I2C register %02x@%02x!\n",
reg, adr); reg, adr);
return -1; return -1;
} }
@@ -86,7 +86,7 @@ static int i2c_write(struct i2c_adapter *adapter, u8 adr,
struct i2c_msg msg = {.addr = adr, .flags = 0, .buf = data, .len = len}; struct i2c_msg msg = {.addr = adr, .flags = 0, .buf = data, .len = len};
if (i2c_transfer(adapter, &msg, 1) != 1) { if (i2c_transfer(adapter, &msg, 1) != 1) {
pr_err("Failed to write to I2C!\n"); pr_err("cxd2099: i2c_write error\n");
return -1; return -1;
} }
return 0; return 0;
@@ -101,7 +101,7 @@ static int i2c_read_reg(struct i2c_adapter *adapter, u8 adr,
.buf = val, .len = 1} }; .buf = val, .len = 1} };
if (i2c_transfer(adapter, msgs, 2) != 2) { if (i2c_transfer(adapter, msgs, 2) != 2) {
pr_err("error in i2c_read_reg\n"); pr_err("cxd2099: i2c_read_reg error\n");
return -1; return -1;
} }
return 0; return 0;
@@ -116,7 +116,7 @@ static int i2c_read(struct i2c_adapter *adapter, u8 adr,
.buf = data, .len = n} }; .buf = data, .len = n} };
if (i2c_transfer(adapter, msgs, 2) != 2) { if (i2c_transfer(adapter, msgs, 2) != 2) {
pr_err("error in i2c_read\n"); pr_err("cxd2099: i2c_read error\n");
return -1; return -1;
} }
return 0; return 0;

16
frontends/mxl5xx.c
View File

@@ -191,13 +191,13 @@ static int read_register_unlocked(struct mxl *state, u32 reg, u32 *val)
stat = i2cwrite(state, data, stat = i2cwrite(state, data,
MXL_HYDRA_REG_SIZE_IN_BYTES + MXL_HYDRA_I2C_HDR_SIZE); MXL_HYDRA_REG_SIZE_IN_BYTES + MXL_HYDRA_I2C_HDR_SIZE);
if (stat) if (stat)
pr_err("i2c read error 1\n"); pr_err("mxl5xx: i2c read error 1\n");
if (!stat) if (!stat)
stat = i2cread(state, (u8 *) val, stat = i2cread(state, (u8 *) val,
MXL_HYDRA_REG_SIZE_IN_BYTES); MXL_HYDRA_REG_SIZE_IN_BYTES);
le32_to_cpus(val); le32_to_cpus(val);
if (stat) if (stat)
pr_err("i2c read error 2\n"); pr_err("mxl5xx: i2c read error 2\n");
return stat; return stat;
} }
@@ -245,7 +245,7 @@ static int write_register(struct mxl *state, u32 reg, u32 val)
stat = i2cwrite(state, data, sizeof(data)); stat = i2cwrite(state, data, sizeof(data));
mutex_unlock(&state->base->i2c_lock); mutex_unlock(&state->base->i2c_lock);
if (stat) if (stat)
pr_err("i2c write error\n"); pr_err("mxl5xx: i2c write error\n");
return stat; return stat;
} }
@@ -292,7 +292,7 @@ static int write_firmware_block(struct mxl *state,
MXL_HYDRA_REG_SIZE_IN_BYTES + size); MXL_HYDRA_REG_SIZE_IN_BYTES + size);
mutex_unlock(&state->base->i2c_lock); mutex_unlock(&state->base->i2c_lock);
if (stat) if (stat)
pr_err("fw block write failed\n"); pr_err("mxl5xx: fw block write failed\n");
return stat; return stat;
} }
@@ -309,14 +309,14 @@ static int read_register(struct mxl *state, u32 reg, u32 *val)
stat = i2cwrite(state, data, stat = i2cwrite(state, data,
MXL_HYDRA_REG_SIZE_IN_BYTES + MXL_HYDRA_I2C_HDR_SIZE); MXL_HYDRA_REG_SIZE_IN_BYTES + MXL_HYDRA_I2C_HDR_SIZE);
if (stat) if (stat)
pr_err("i2c read error 1\n"); pr_err("mxl5xx: i2c read error 1\n");
if (!stat) if (!stat)
stat = i2cread(state, (u8 *) val, stat = i2cread(state, (u8 *) val,
MXL_HYDRA_REG_SIZE_IN_BYTES); MXL_HYDRA_REG_SIZE_IN_BYTES);
mutex_unlock(&state->base->i2c_lock); mutex_unlock(&state->base->i2c_lock);
le32_to_cpus(val); le32_to_cpus(val);
if (stat) if (stat)
pr_err("i2c read error 2\n"); pr_err("mxl5xx: i2c read error 2\n");
return stat; return stat;
} }
@@ -976,7 +976,7 @@ static int do_firmware_download(struct mxl *state, u8 *mbinBufferPtr,
MXL_BOOL_E xcpuFwFlag = MXL_FALSE; MXL_BOOL_E xcpuFwFlag = MXL_FALSE;
if (mbinPtr->header.id != MBIN_FILE_HEADER_ID) { if (mbinPtr->header.id != MBIN_FILE_HEADER_ID) {
pr_err("%s: Invalid file header ID (%c)\n", pr_err("mxl5xx(%s): Invalid file header ID (%c)\n",
__func__, mbinPtr->header.id); __func__, mbinPtr->header.id);
return -EINVAL; return -EINVAL;
} }
@@ -986,7 +986,7 @@ static int do_firmware_download(struct mxl *state, u8 *mbinBufferPtr,
segmentPtr = (MBIN_SEGMENT_T *) (&mbinPtr->data[0]); segmentPtr = (MBIN_SEGMENT_T *) (&mbinPtr->data[0]);
for (index = 0; index < mbinPtr->header.numSegments; index++) { for (index = 0; index < mbinPtr->header.numSegments; index++) {
if (segmentPtr->header.id != MBIN_SEGMENT_HEADER_ID) { if (segmentPtr->header.id != MBIN_SEGMENT_HEADER_ID) {
pr_err("%s: Invalid segment header ID (%c)\n", pr_err("mxl5xx(%s): Invalid segment header ID (%c)\n",
__func__, segmentPtr->header.id); __func__, segmentPtr->header.id);
return -EINVAL; return -EINVAL;
} }