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@@ -78,18 +78,14 @@ static int emi26_load_firmware (struct usb_device *dev)
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const struct firmware *bitstream_fw = NULL;
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const struct firmware *firmware_fw = NULL;
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const struct ihex_binrec *rec;
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- int err;
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+ int err = -ENOMEM;
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int i;
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__u32 addr; /* Address to write */
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__u8 *buf;
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buf = kmalloc(FW_LOAD_SIZE, GFP_KERNEL);
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- if (!buf) {
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- dev_err(&dev->dev, "%s - error loading firmware: error = %d\n",
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- __func__, -ENOMEM);
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- err = -ENOMEM;
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+ if (!buf)
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goto wraperr;
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- }
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err = request_ihex_firmware(&loader_fw, "emi26/loader.fw", &dev->dev);
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if (err)
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@@ -111,11 +107,8 @@ static int emi26_load_firmware (struct usb_device *dev)
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/* Assert reset (stop the CPU in the EMI) */
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err = emi26_set_reset(dev,1);
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- if (err < 0) {
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- dev_err(&dev->dev,"%s - error loading firmware: error = %d\n",
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- __func__, err);
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+ if (err < 0)
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goto wraperr;
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- }
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rec = (const struct ihex_binrec *)loader_fw->data;
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/* 1. We need to put the loader for the FPGA into the EZ-USB */
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@@ -123,19 +116,15 @@ static int emi26_load_firmware (struct usb_device *dev)
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err = emi26_writememory(dev, be32_to_cpu(rec->addr),
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rec->data, be16_to_cpu(rec->len),
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ANCHOR_LOAD_INTERNAL);
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- if (err < 0) {
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- err("%s - error loading firmware: error = %d", __func__, err);
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+ if (err < 0)
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goto wraperr;
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- }
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rec = ihex_next_binrec(rec);
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}
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/* De-assert reset (let the CPU run) */
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err = emi26_set_reset(dev,0);
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- if (err < 0) {
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- err("%s - error loading firmware: error = %d", __func__, err);
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+ if (err < 0)
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goto wraperr;
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- }
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msleep(250); /* let device settle */
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/* 2. We upload the FPGA firmware into the EMI
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@@ -153,18 +142,14 @@ static int emi26_load_firmware (struct usb_device *dev)
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rec = ihex_next_binrec(rec);
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}
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err = emi26_writememory(dev, addr, buf, i, ANCHOR_LOAD_FPGA);
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- if (err < 0) {
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- err("%s - error loading firmware: error = %d", __func__, err);
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+ if (err < 0)
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goto wraperr;
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- }
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} while (rec);
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/* Assert reset (stop the CPU in the EMI) */
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err = emi26_set_reset(dev,1);
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- if (err < 0) {
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- err("%s - error loading firmware: error = %d", __func__, err);
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+ if (err < 0)
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goto wraperr;
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- }
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/* 3. We need to put the loader for the firmware into the EZ-USB (again...) */
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for (rec = (const struct ihex_binrec *)loader_fw->data;
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@@ -172,19 +157,15 @@ static int emi26_load_firmware (struct usb_device *dev)
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err = emi26_writememory(dev, be32_to_cpu(rec->addr),
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rec->data, be16_to_cpu(rec->len),
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ANCHOR_LOAD_INTERNAL);
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- if (err < 0) {
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- err("%s - error loading firmware: error = %d", __func__, err);
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+ if (err < 0)
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goto wraperr;
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- }
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}
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msleep(250); /* let device settle */
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/* De-assert reset (let the CPU run) */
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err = emi26_set_reset(dev,0);
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- if (err < 0) {
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- err("%s - error loading firmware: error = %d", __func__, err);
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+ if (err < 0)
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goto wraperr;
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- }
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/* 4. We put the part of the firmware that lies in the external RAM into the EZ-USB */
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@@ -194,19 +175,15 @@ static int emi26_load_firmware (struct usb_device *dev)
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err = emi26_writememory(dev, be32_to_cpu(rec->addr),
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rec->data, be16_to_cpu(rec->len),
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ANCHOR_LOAD_EXTERNAL);
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- if (err < 0) {
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- err("%s - error loading firmware: error = %d", __func__, err);
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+ if (err < 0)
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goto wraperr;
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- }
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}
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}
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-
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+
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/* Assert reset (stop the CPU in the EMI) */
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err = emi26_set_reset(dev,1);
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- if (err < 0) {
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- err("%s - error loading firmware: error = %d", __func__, err);
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+ if (err < 0)
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goto wraperr;
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- }
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for (rec = (const struct ihex_binrec *)firmware_fw->data;
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rec; rec = ihex_next_binrec(rec)) {
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@@ -214,19 +191,15 @@ static int emi26_load_firmware (struct usb_device *dev)
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err = emi26_writememory(dev, be32_to_cpu(rec->addr),
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rec->data, be16_to_cpu(rec->len),
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ANCHOR_LOAD_INTERNAL);
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- if (err < 0) {
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- err("%s - error loading firmware: error = %d", __func__, err);
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+ if (err < 0)
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goto wraperr;
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- }
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}
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}
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/* De-assert reset (let the CPU run) */
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err = emi26_set_reset(dev,0);
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- if (err < 0) {
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- err("%s - error loading firmware: error = %d", __func__, err);
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+ if (err < 0)
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goto wraperr;
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- }
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msleep(250); /* let device settle */
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/* return 1 to fail the driver inialization
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@@ -234,6 +207,10 @@ static int emi26_load_firmware (struct usb_device *dev)
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err = 1;
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wraperr:
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+ if (err < 0)
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+ dev_err(&dev->dev,"%s - error loading firmware: error = %d\n",
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+ __func__, err);
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+
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release_firmware(loader_fw);
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release_firmware(bitstream_fw);
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release_firmware(firmware_fw);
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