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Commit 5acc6e40 authored by Joe Perches's avatar Joe Perches Committed by Greg Kroah-Hartman
Browse files

usb: ftdi-elan: Coalesce formats 



Make it easier to find formats.

Realign arguments around these changes.

Signed-off-by: default avatarJoe Perches <joe@perches.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 8dae693c

drivers/usb/misc/ftdi-elan.c

+56 −95
Original line number Diff line number Diff line
@@ -545,11 +545,10 @@ static void ftdi_elan_status_work(struct work_struct *work) 
			ftdi->stuck_status = 0;

			ftdi->synchronized = 0;

		} else if ((ftdi->stuck_status++ % 60) == 1) {

			dev_err(&ftdi->udev->dev, "WRONG type of card inserted "

				"- please remove\n");

			dev_err(&ftdi->udev->dev, "WRONG type of card inserted - please remove\n");

		} else

			dev_err(&ftdi->udev->dev, "WRONG type of card inserted "

				"- checked %d times\n", ftdi->stuck_status);

			dev_err(&ftdi->udev->dev, "WRONG type of card inserted - checked %d times\n",

				ftdi->stuck_status);

		work_delay_in_msec = 100;

	} else if (ftdi->enumerated == 0) {

		if (ftdi_elan_enumeratePCI(ftdi) == 0) {
@@ -562,8 +561,7 @@ static void ftdi_elan_status_work(struct work_struct *work) 
			ftdi->initialized = 1;

			work_delay_in_msec = 500;

		} else {

			dev_err(&ftdi->udev->dev, "initialized failed - trying "

				"again in 10 seconds\n");

			dev_err(&ftdi->udev->dev, "initialized failed - trying again in 10 seconds\n");

			work_delay_in_msec = 1 *1000;

		}

	} else if (ftdi->registered == 0) {
@@ -578,9 +576,7 @@ static void ftdi_elan_status_work(struct work_struct *work) 
			work_delay_in_msec = 250;

		} else if (ftdi->controlreg & 0x00400000) {

			if (ftdi->gone_away > 0) {

				dev_err(&ftdi->udev->dev, "PCI device eject con"

					"firmed platform_dev.dev.parent=%p plat"

					"form_dev.dev=%p\n",

				dev_err(&ftdi->udev->dev, "PCI device eject confirmed platform_dev.dev.parent=%p platform_dev.dev=%p\n",

					ftdi->platform_dev.dev.parent,

					&ftdi->platform_dev.dev);

				platform_device_unregister(&ftdi->platform_dev);
@@ -788,17 +784,15 @@ static int ftdi_elan_command_engine(struct usb_ftdi *ftdi) 
	total_size = ftdi_elan_total_command_size(ftdi, command_size);

	urb = usb_alloc_urb(0, GFP_KERNEL);

	if (!urb) {

		dev_err(&ftdi->udev->dev, "could not get a urb to write %d comm"

			"ands totaling %d bytes to the Uxxx\n", command_size,

			total_size);

		dev_err(&ftdi->udev->dev, "could not get a urb to write %d commands totaling %d bytes to the Uxxx\n",

			command_size, total_size);

		return -ENOMEM;

	}

	buf = usb_alloc_coherent(ftdi->udev, total_size, GFP_KERNEL,

				 &urb->transfer_dma);

	if (!buf) {

		dev_err(&ftdi->udev->dev, "could not get a buffer to write %d c"

			"ommands totaling %d bytes to the Uxxx\n", command_size,

			total_size);

		dev_err(&ftdi->udev->dev, "could not get a buffer to write %d commands totaling %d bytes to the Uxxx\n",

			command_size, total_size);

		usb_free_urb(urb);

		return -ENOMEM;

	}
@@ -824,9 +818,8 @@ static int ftdi_elan_command_engine(struct usb_ftdi *ftdi) 
	}

	retval = usb_submit_urb(urb, GFP_KERNEL);

	if (retval) {

		dev_err(&ftdi->udev->dev, "failed %d to submit urb %p to write "

			"%d commands totaling %d bytes to the Uxxx\n", retval,

			urb, command_size, total_size);

		dev_err(&ftdi->udev->dev, "failed %d to submit urb %p to write %d commands totaling %d bytes to the Uxxx\n",

			retval, urb, command_size, total_size);

		usb_free_coherent(ftdi->udev, total_size, buf, urb->transfer_dma);

		usb_free_urb(urb);

		return retval;
@@ -980,8 +973,7 @@ read:{ 
			goto have;

		} else if (retval == -ETIMEDOUT) {

			if (retry_on_timeout-- > 0) {

				dev_err(&ftdi->udev->dev, "TIMED OUT with packe"

					"t_bytes = %d with total %d bytes%s\n",

				dev_err(&ftdi->udev->dev, "TIMED OUT with packet_bytes = %d with total %d bytes%s\n",

					packet_bytes, bytes_read, diag);

				goto more;

			} else if (bytes_read > 0) {
@@ -989,20 +981,17 @@ read:{ 
					bytes_read, diag);

				return -ENOMEM;

			} else {

				dev_err(&ftdi->udev->dev, "TIMED OUT with packe"

					"t_bytes = %d with total %d bytes%s\n",

				dev_err(&ftdi->udev->dev, "TIMED OUT with packet_bytes = %d with total %d bytes%s\n",

					packet_bytes, bytes_read, diag);

				return -ENOMEM;

			}

		} else if (retval == -EILSEQ) {

			dev_err(&ftdi->udev->dev, "error = %d with packet_bytes"

				" = %d with total %d bytes%s\n", retval,

				packet_bytes, bytes_read, diag);

			dev_err(&ftdi->udev->dev, "error = %d with packet_bytes = %d with total %d bytes%s\n",

				retval, packet_bytes, bytes_read, diag);

			return retval;

		} else if (retval) {

			dev_err(&ftdi->udev->dev, "error = %d with packet_bytes"

				" = %d with total %d bytes%s\n", retval,

				packet_bytes, bytes_read, diag);

			dev_err(&ftdi->udev->dev, "error = %d with packet_bytes = %d with total %d bytes%s\n",

				retval, packet_bytes, bytes_read, diag);

			return retval;

		} else if (packet_bytes == 2) {

			unsigned char s0 = ftdi->bulk_in_buffer[0];
@@ -1099,8 +1088,8 @@ have:if (ftdi->bulk_in_left > 0) { 
			} else if (buscmd == 0x06) {

			} else if (buscmd == 0x0A) {

			} else

				dev_err(&ftdi->udev->dev, "Uxxx unknown(%0X) va"

					"lue = %08X\n", buscmd, data);

				dev_err(&ftdi->udev->dev, "Uxxx unknown(%0X) value = %08X\n",

					buscmd, data);

			goto have;

		} else {

			if ((ftdi->response[0] & 0x80) == 0x00) {
@@ -1909,35 +1898,31 @@ more:{ 
			} else if (retry_on_status-- > 0) {

				goto more;

			} else {

				dev_err(&ftdi->udev->dev, "STATUS ERROR retry l"

					"imit reached\n");

				dev_err(&ftdi->udev->dev, "STATUS ERROR retry limit reached\n");

				return -EFAULT;

			}

		} else if (packet_bytes > 0) {

			char b1 = ftdi->bulk_in_buffer[0];

			dev_err(&ftdi->udev->dev, "only one byte flushed from F"

				"TDI = %02X\n", b1);

			dev_err(&ftdi->udev->dev, "only one byte flushed from FTDI = %02X\n",

				b1);

			if (retry_on_status-- > 0) {

				goto more;

			} else {

				dev_err(&ftdi->udev->dev, "STATUS ERROR retry l"

					"imit reached\n");

				dev_err(&ftdi->udev->dev, "STATUS ERROR retry limit reached\n");

				return -EFAULT;

			}

		} else if (retval == -ETIMEDOUT) {

			if (retry_on_timeout-- > 0) {

				goto more;

			} else {

				dev_err(&ftdi->udev->dev, "TIMED OUT retry limi"

					"t reached\n");

				dev_err(&ftdi->udev->dev, "TIMED OUT retry limit reached\n");

				return -ENOMEM;

			}

		} else if (retval == 0) {

			if (retry_on_empty-- > 0) {

				goto more;

			} else {

				dev_err(&ftdi->udev->dev, "empty packet retry l"

					"imit reached\n");

				dev_err(&ftdi->udev->dev, "empty packet retry limit reached\n");

				return -ENOMEM;

			}

		} else {
@@ -1962,14 +1947,12 @@ static int ftdi_elan_synchronize_flush(struct usb_ftdi *ftdi) 
	int i = 0;

	urb = usb_alloc_urb(0, GFP_KERNEL);

	if (!urb) {

		dev_err(&ftdi->udev->dev, "could not alloc a urb for flush sequ"

			"ence\n");

		dev_err(&ftdi->udev->dev, "could not alloc a urb for flush sequence\n");

		return -ENOMEM;

	}

	buf = usb_alloc_coherent(ftdi->udev, I, GFP_KERNEL, &urb->transfer_dma);

	if (!buf) {

		dev_err(&ftdi->udev->dev, "could not get a buffer for flush seq"

			"uence\n");

		dev_err(&ftdi->udev->dev, "could not get a buffer for flush sequence\n");

		usb_free_urb(urb);

		return -ENOMEM;

	}
@@ -1981,8 +1964,7 @@ static int ftdi_elan_synchronize_flush(struct usb_ftdi *ftdi) 
	urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;

	retval = usb_submit_urb(urb, GFP_KERNEL);

	if (retval) {

		dev_err(&ftdi->udev->dev, "failed to submit urb containing the "

			"flush sequence\n");

		dev_err(&ftdi->udev->dev, "failed to submit urb containing the flush sequence\n");

		usb_free_coherent(ftdi->udev, i, buf, urb->transfer_dma);

		usb_free_urb(urb);

		return -ENOMEM;
@@ -2005,14 +1987,12 @@ static int ftdi_elan_synchronize_reset(struct usb_ftdi *ftdi) 
	int i = 0;

	urb = usb_alloc_urb(0, GFP_KERNEL);

	if (!urb) {

		dev_err(&ftdi->udev->dev, "could not get a urb for the reset se"

			"quence\n");

		dev_err(&ftdi->udev->dev, "could not get a urb for the reset sequence\n");

		return -ENOMEM;

	}

	buf = usb_alloc_coherent(ftdi->udev, I, GFP_KERNEL, &urb->transfer_dma);

	if (!buf) {

		dev_err(&ftdi->udev->dev, "could not get a buffer for the reset"

			" sequence\n");

		dev_err(&ftdi->udev->dev, "could not get a buffer for the reset sequence\n");

		usb_free_urb(urb);

		return -ENOMEM;

	}
@@ -2026,8 +2006,7 @@ static int ftdi_elan_synchronize_reset(struct usb_ftdi *ftdi) 
	urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;

	retval = usb_submit_urb(urb, GFP_KERNEL);

	if (retval) {

		dev_err(&ftdi->udev->dev, "failed to submit urb containing the "

			"reset sequence\n");

		dev_err(&ftdi->udev->dev, "failed to submit urb containing the reset sequence\n");

		usb_free_coherent(ftdi->udev, i, buf, urb->transfer_dma);

		usb_free_urb(urb);

		return -ENOMEM;
@@ -2095,8 +2074,7 @@ static int ftdi_elan_synchronize(struct usb_ftdi *ftdi) 
					} else if (read_stop-- > 0) {

						goto read;

					} else {

						dev_err(&ftdi->udev->dev, "retr"

							"y limit reached\n");

						dev_err(&ftdi->udev->dev, "retry limit reached\n");

						continue;

					}

				}
@@ -2112,16 +2090,14 @@ static int ftdi_elan_synchronize(struct usb_ftdi *ftdi) 
					if (read_stop-- > 0) {

						goto read;

					} else {

						dev_err(&ftdi->udev->dev, "retr"

							"y limit reached\n");

						dev_err(&ftdi->udev->dev, "retry limit reached\n");

						continue;

					}

				} else {

					if (read_stop-- > 0) {

						goto read;

					} else {

						dev_err(&ftdi->udev->dev, "retr"

							"y limit reached\n");

						dev_err(&ftdi->udev->dev, "retry limit reached\n");

						continue;

					}

				}
@@ -2129,24 +2105,21 @@ static int ftdi_elan_synchronize(struct usb_ftdi *ftdi) 
				if (read_stop-- > 0) {

					goto read;

				} else {

					dev_err(&ftdi->udev->dev, "retry limit "

						"reached\n");

					dev_err(&ftdi->udev->dev, "retry limit reached\n");

					continue;

				}

			} else if (retval == -ETIMEDOUT) {

				if (retry_on_timeout-- > 0) {

					goto read;

				} else {

					dev_err(&ftdi->udev->dev, "TIMED OUT re"

						"try limit reached\n");

					dev_err(&ftdi->udev->dev, "TIMED OUT retry limit reached\n");

					continue;

				}

			} else if (retval == 0) {

				if (retry_on_empty-- > 0) {

					goto read;

				} else {

					dev_err(&ftdi->udev->dev, "empty packet"

						" retry limit reached\n");

					dev_err(&ftdi->udev->dev, "empty packet retry limit reached\n");

					continue;

				}

			} else {
@@ -2156,8 +2129,7 @@ static int ftdi_elan_synchronize(struct usb_ftdi *ftdi) 
				if (read_stop-- > 0) {

					goto read;

				} else {

					dev_err(&ftdi->udev->dev, "retry limit "

						"reached\n");

					dev_err(&ftdi->udev->dev, "retry limit reached\n");

					continue;

				}

			}
@@ -2209,30 +2181,26 @@ more:{ 
				return -EFAULT;

		} else if (packet_bytes > 0) {

			char b1 = ftdi->bulk_in_buffer[0];

			dev_err(&ftdi->udev->dev, "only one byte flushed from F"

				"TDI = %02X\n", b1);

			dev_err(&ftdi->udev->dev, "only one byte flushed from FTDI = %02X\n", b1);

			if (retry_on_status-- > 0) {

				msleep(5);

				goto more;

			} else {

				dev_err(&ftdi->udev->dev, "STATUS ERROR retry l"

					"imit reached\n");

				dev_err(&ftdi->udev->dev, "STATUS ERROR retry limit reached\n");

				return -EFAULT;

			}

		} else if (retval == -ETIMEDOUT) {

			if (retry_on_timeout-- > 0) {

				goto more;

			} else {

				dev_err(&ftdi->udev->dev, "TIMED OUT retry limi"

					"t reached\n");

				dev_err(&ftdi->udev->dev, "TIMED OUT retry limit reached\n");

				return -ENOMEM;

			}

		} else if (retval == 0) {

			if (retry_on_empty-- > 0) {

				goto more;

			} else {

				dev_err(&ftdi->udev->dev, "empty packet retry l"

					"imit reached\n");

				dev_err(&ftdi->udev->dev, "empty packet retry limit reached\n");

				return -ENOMEM;

			}

		} else {
@@ -2252,8 +2220,8 @@ static int ftdi_elan_checkingPCI(struct usb_ftdi *ftdi) 
		if (ftdi->card_ejected) {

		} else {

			ftdi->card_ejected = 1;

			dev_err(&ftdi->udev->dev, "CARD EJECTED - controlreg = "

				"%08X\n", ftdi->controlreg);

			dev_err(&ftdi->udev->dev, "CARD EJECTED - controlreg = %08X\n",

				ftdi->controlreg);

		}

		return -ENODEV;

	} else {
@@ -2273,8 +2241,7 @@ static int ftdi_elan_checkingPCI(struct usb_ftdi *ftdi) 
		    ftdi->platform_data.device) {

			return 0;

		} else {

			dev_err(&ftdi->udev->dev, "vendor=%04X pciVID=%04X devi"

				"ce=%04X pciPID=%04X\n",

			dev_err(&ftdi->udev->dev, "vendor=%04X pciVID=%04X device=%04X pciPID=%04X\n",

				ftdi->platform_data.vendor, pciVID,

				ftdi->platform_data.device, pciPID);

			return -ENODEV;
@@ -2378,8 +2345,7 @@ extra:{ 
			return retval;

		if (0 != (status & OHCI_HCR)) {

			if (--reset_timeout == 0) {

				dev_err(&ftdi->udev->dev, "USB HC reset timed o"

					"ut!\n");

				dev_err(&ftdi->udev->dev, "USB HC reset timed out!\n");

				return -ENODEV;

			} else {

				msleep(5);
@@ -2782,8 +2748,7 @@ static int ftdi_elan_probe(struct usb_interface *interface, 
			ftdi->bulk_in_endpointAddr = endpoint->bEndpointAddress;

			ftdi->bulk_in_buffer = kmalloc(buffer_size, GFP_KERNEL);

			if (!ftdi->bulk_in_buffer) {

				dev_err(&ftdi->udev->dev, "Could not allocate b"

					"ulk_in_buffer\n");

				dev_err(&ftdi->udev->dev, "Could not allocate bulk_in_buffer\n");

				retval = -ENOMEM;

				goto error;

			}
@@ -2795,8 +2760,7 @@ static int ftdi_elan_probe(struct usb_interface *interface, 
		}

	}

	if (!(ftdi->bulk_in_endpointAddr && ftdi->bulk_out_endpointAddr)) {

		dev_err(&ftdi->udev->dev, "Could not find both bulk-in and bulk"

			"-out endpoints\n");

		dev_err(&ftdi->udev->dev, "Could not find both bulk-in and bulk-out endpoints\n");

		retval = -ENODEV;

		goto error;

	}
@@ -2809,16 +2773,14 @@ static int ftdi_elan_probe(struct usb_interface *interface, 
	    ftdi->bulk_out_endpointAddr == 0x02) {

		retval = usb_register_dev(interface, &ftdi_elan_jtag_class);

		if (retval) {

			dev_err(&ftdi->udev->dev, "Not able to get a minor for "

				"this device.\n");

			dev_err(&ftdi->udev->dev, "Not able to get a minor for this device\n");

			usb_set_intfdata(interface, NULL);

			retval = -ENOMEM;

			goto error;

		} else {

			ftdi->class = &ftdi_elan_jtag_class;

			dev_info(&ftdi->udev->dev, "USB FDTI=%p JTAG interface "

				 "%d now attached to ftdi%d\n", ftdi,

				 iface_desc->desc.bInterfaceNumber,

			dev_info(&ftdi->udev->dev, "USB FDTI=%p JTAG interface %d now attached to ftdi%d\n",

				 ftdi, iface_desc->desc.bInterfaceNumber,

				 interface->minor);

			return 0;

		}
@@ -2826,8 +2788,8 @@ static int ftdi_elan_probe(struct usb_interface *interface, 
		   ftdi->bulk_in_endpointAddr == 0x83 &&

		   ftdi->bulk_out_endpointAddr == 0x04) {

		ftdi->class = NULL;

		dev_info(&ftdi->udev->dev, "USB FDTI=%p ELAN interface %d now a"

			 "ctivated\n", ftdi, iface_desc->desc.bInterfaceNumber);

		dev_info(&ftdi->udev->dev, "USB FDTI=%p ELAN interface %d now activated\n",

			 ftdi, iface_desc->desc.bInterfaceNumber);

		INIT_DELAYED_WORK(&ftdi->status_work, ftdi_elan_status_work);

		INIT_DELAYED_WORK(&ftdi->command_work, ftdi_elan_command_work);

		INIT_DELAYED_WORK(&ftdi->respond_work, ftdi_elan_respond_work);
@@ -2854,8 +2816,8 @@ static void ftdi_elan_disconnect(struct usb_interface *interface) 
		struct usb_class_driver *class = ftdi->class;

		usb_set_intfdata(interface, NULL);

		usb_deregister_dev(interface, class);

		dev_info(&ftdi->udev->dev, "USB FTDI U132 jtag interface on min"

			 "or %d now disconnected\n", minor);

		dev_info(&ftdi->udev->dev, "USB FTDI U132 jtag interface on minor %d now disconnected\n",

			 minor);

	} else {

		ftdi_status_cancel_work(ftdi);

		ftdi_command_cancel_work(ftdi);
@@ -2874,8 +2836,7 @@ static void ftdi_elan_disconnect(struct usb_interface *interface) 
		flush_workqueue(respond_queue);

		ftdi->disconnected += 1;

		usb_set_intfdata(interface, NULL);

		dev_info(&ftdi->udev->dev, "USB FTDI U132 host controller inter"

			 "face now disconnected\n");

		dev_info(&ftdi->udev->dev, "USB FTDI U132 host controller interface now disconnected\n");

	}

	ftdi_elan_put_kref(ftdi);

}