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-rw-r--r--drivers/usb/misc/emi62.c62
1 files changed, 19 insertions, 43 deletions
diff --git a/drivers/usb/misc/emi62.c b/drivers/usb/misc/emi62.c
index 4e0f167a6c4e..ff08015b230c 100644
--- a/drivers/usb/misc/emi62.c
+++ b/drivers/usb/misc/emi62.c
@@ -56,7 +56,7 @@ static int emi62_writememory(struct usb_device *dev, int address,
unsigned char *buffer = kmemdup(data, length, GFP_KERNEL);
if (!buffer) {
- err("emi62: kmalloc(%d) failed.", length);
+ dev_err(&dev->dev, "kmalloc(%d) failed.\n", length);
return -ENOMEM;
}
/* Note: usb_control_msg returns negative value on error or length of the
@@ -73,9 +73,8 @@ static int emi62_set_reset (struct usb_device *dev, unsigned char reset_bit)
dev_info(&dev->dev, "%s - %d\n", __func__, reset_bit);
response = emi62_writememory (dev, CPUCS_REG, &reset_bit, 1, 0xa0);
- if (response < 0) {
- err("emi62: set_reset (%d) failed", reset_bit);
- }
+ if (response < 0)
+ dev_err(&dev->dev, "set_reset (%d) failed\n", reset_bit);
return response;
}
@@ -87,18 +86,15 @@ static int emi62_load_firmware (struct usb_device *dev)
const struct firmware *bitstream_fw = NULL;
const struct firmware *firmware_fw = NULL;
const struct ihex_binrec *rec;
- int err;
+ int err = -ENOMEM;
int i;
__u32 addr; /* Address to write */
__u8 *buf;
dev_dbg(&dev->dev, "load_firmware\n");
buf = kmalloc(FW_LOAD_SIZE, GFP_KERNEL);
- if (!buf) {
- err( "%s - error loading firmware: error = %d", __func__, -ENOMEM);
- err = -ENOMEM;
+ if (!buf)
goto wraperr;
- }
err = request_ihex_firmware(&loader_fw, "emi62/loader.fw", &dev->dev);
if (err)
@@ -112,16 +108,13 @@ static int emi62_load_firmware (struct usb_device *dev)
err = request_ihex_firmware(&firmware_fw, FIRMWARE_FW, &dev->dev);
if (err) {
nofw:
- err( "%s - request_firmware() failed", __func__);
goto wraperr;
}
/* Assert reset (stop the CPU in the EMI) */
err = emi62_set_reset(dev,1);
- if (err < 0) {
- err("%s - error loading firmware: error = %d", __func__, err);
+ if (err < 0)
goto wraperr;
- }
rec = (const struct ihex_binrec *)loader_fw->data;
@@ -130,19 +123,15 @@ static int emi62_load_firmware (struct usb_device *dev)
err = emi62_writememory(dev, be32_to_cpu(rec->addr),
rec->data, be16_to_cpu(rec->len),
ANCHOR_LOAD_INTERNAL);
- if (err < 0) {
- err("%s - error loading firmware: error = %d", __func__, err);
+ if (err < 0)
goto wraperr;
- }
rec = ihex_next_binrec(rec);
}
/* De-assert reset (let the CPU run) */
err = emi62_set_reset(dev,0);
- if (err < 0) {
- err("%s - error loading firmware: error = %d", __func__, err);
+ if (err < 0)
goto wraperr;
- }
msleep(250); /* let device settle */
/* 2. We upload the FPGA firmware into the EMI
@@ -160,18 +149,14 @@ static int emi62_load_firmware (struct usb_device *dev)
rec = ihex_next_binrec(rec);
}
err = emi62_writememory(dev, addr, buf, i, ANCHOR_LOAD_FPGA);
- if (err < 0) {
- err("%s - error loading firmware: error = %d", __func__, err);
+ if (err < 0)
goto wraperr;
- }
} while (rec);
/* Assert reset (stop the CPU in the EMI) */
err = emi62_set_reset(dev,1);
- if (err < 0) {
- err("%s - error loading firmware: error = %d", __func__, err);
+ if (err < 0)
goto wraperr;
- }
/* 3. We need to put the loader for the firmware into the EZ-USB (again...) */
for (rec = (const struct ihex_binrec *)loader_fw->data;
@@ -179,18 +164,14 @@ static int emi62_load_firmware (struct usb_device *dev)
err = emi62_writememory(dev, be32_to_cpu(rec->addr),
rec->data, be16_to_cpu(rec->len),
ANCHOR_LOAD_INTERNAL);
- if (err < 0) {
- err("%s - error loading firmware: error = %d", __func__, err);
+ if (err < 0)
goto wraperr;
- }
}
/* De-assert reset (let the CPU run) */
err = emi62_set_reset(dev,0);
- if (err < 0) {
- err("%s - error loading firmware: error = %d", __func__, err);
+ if (err < 0)
goto wraperr;
- }
msleep(250); /* let device settle */
/* 4. We put the part of the firmware that lies in the external RAM into the EZ-USB */
@@ -201,19 +182,15 @@ static int emi62_load_firmware (struct usb_device *dev)
err = emi62_writememory(dev, be32_to_cpu(rec->addr),
rec->data, be16_to_cpu(rec->len),
ANCHOR_LOAD_EXTERNAL);
- if (err < 0) {
- err("%s - error loading firmware: error = %d", __func__, err);
+ if (err < 0)
goto wraperr;
- }
}
}
/* Assert reset (stop the CPU in the EMI) */
err = emi62_set_reset(dev,1);
- if (err < 0) {
- err("%s - error loading firmware: error = %d", __func__, err);
+ if (err < 0)
goto wraperr;
- }
for (rec = (const struct ihex_binrec *)firmware_fw->data;
rec; rec = ihex_next_binrec(rec)) {
@@ -221,19 +198,15 @@ static int emi62_load_firmware (struct usb_device *dev)
err = emi62_writememory(dev, be32_to_cpu(rec->addr),
rec->data, be16_to_cpu(rec->len),
ANCHOR_LOAD_EXTERNAL);
- if (err < 0) {
- err("%s - error loading firmware: error = %d", __func__, err);
+ if (err < 0)
goto wraperr;
- }
}
}
/* De-assert reset (let the CPU run) */
err = emi62_set_reset(dev,0);
- if (err < 0) {
- err("%s - error loading firmware: error = %d", __func__, err);
+ if (err < 0)
goto wraperr;
- }
msleep(250); /* let device settle */
release_firmware(loader_fw);
@@ -247,6 +220,9 @@ static int emi62_load_firmware (struct usb_device *dev)
return 1;
wraperr:
+ if (err < 0)
+ dev_err(&dev->dev,"%s - error loading firmware: error = %d\n",
+ __func__, err);
release_firmware(loader_fw);
release_firmware(bitstream_fw);
release_firmware(firmware_fw);
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