evie/android_kernel_oneplus_msm8998
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mei: debug prints with client info in read

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Add client info to debug prints in the read function to
ease on debugging efforts.

Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Alexander Usyskin 2015-05-04 09:44:00 +03:00 • committed by Greg Kroah-Hartman
parent 900f4450db
commit 292f82c86c
1 changed files with 4 additions and 5 deletions
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9
drivers/misc/mei/main.c
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@ -183,8 +183,7 @@ static ssize_t mei_read(struct file *file, char __user *ubuf,
err = mei_cl_read_start(cl, length, file); err = mei_cl_read_start(cl, length, file);
if (err && err != -EBUSY) { if (err && err != -EBUSY) {
dev_dbg(dev->dev, cl_dbg(dev, cl, "mei start read failure status = %d\n", err);
"mei start read failure with status = %d\n", err);
rets = err; rets = err;
goto out; goto out;
} }
@ -228,11 +227,11 @@ copy_buffer:
/* now copy the data to user space */ /* now copy the data to user space */
if (cb->status) { if (cb->status) {
rets = cb->status; rets = cb->status;
dev_dbg(dev->dev, "read operation failed %d\n", rets); cl_dbg(dev, cl, "read operation failed %d\n", rets);
goto free; goto free;
} }
dev_dbg(dev->dev, "buf.size = %d buf.idx= %ld\n", cl_dbg(dev, cl, "buf.size = %d buf.idx = %ld\n",
cb->buf.size, cb->buf_idx); cb->buf.size, cb->buf_idx);
if (length == 0 || ubuf == NULL || *offset > cb->buf_idx) { if (length == 0 || ubuf == NULL || *offset > cb->buf_idx) {
rets = -EMSGSIZE; rets = -EMSGSIZE;
@ -258,7 +257,7 @@ free:
mei_io_cb_free(cb); mei_io_cb_free(cb);
out: out:
dev_dbg(dev->dev, "end mei read rets= %d\n", rets); cl_dbg(dev, cl, "end mei read rets = %d\n", rets);
mutex_unlock(&dev->device_lock); mutex_unlock(&dev->device_lock);
return rets; return rets;
} }