From: "Peter E. Berger" <[email protected]> Remove leading tabs in do_download_mode and fixup problems flagged by checkpatch.pl
Signed-off-by: Peter E. Berger <[email protected]> --- drivers/usb/serial/io_ti.c | 314 +++++++++++++++++++++++---------------------- 1 file changed, 162 insertions(+), 152 deletions(-) diff --git a/drivers/usb/serial/io_ti.c b/drivers/usb/serial/io_ti.c index 58254ca..a226424 100644 --- a/drivers/usb/serial/io_ti.c +++ b/drivers/usb/serial/io_ti.c @@ -1054,68 +1054,131 @@ static int do_download_mode(struct edgeport_serial *serial, struct edgeport_fw_hdr *fw_hdr = (struct edgeport_fw_hdr *)fw->data; struct ti_i2c_desc *rom_desc; - dev_dbg(dev, "%s - RUNNING IN DOWNLOAD MODE\n", __func__); + dev_dbg(dev, "%s - RUNNING IN DOWNLOAD MODE\n", __func__); - status = check_i2c_image(serial); - if (status) { - dev_dbg(dev, "%s - DOWNLOAD MODE -- BAD I2C\n", __func__); - return status; + status = check_i2c_image(serial); + if (status) { + dev_dbg(dev, "%s - DOWNLOAD MODE -- BAD I2C\n", __func__); + return status; + } + + /* + * Validate Hardware version number + * Read Manufacturing Descriptor from TI Based Edgeport + */ + ti_manuf_desc = kmalloc(sizeof(*ti_manuf_desc), GFP_KERNEL); + if (!ti_manuf_desc) + return -ENOMEM; + + status = get_manuf_info(serial, (__u8 *)ti_manuf_desc); + if (status) { + kfree(ti_manuf_desc); + return status; + } + + /* Check version number of ION descriptor */ + if (!ignore_cpu_rev && ti_cpu_rev(ti_manuf_desc) < 2) { + dev_dbg(dev, "%s - Wrong CPU Rev %d (Must be 2)\n", + __func__, ti_cpu_rev(ti_manuf_desc)); + kfree(ti_manuf_desc); + return -EINVAL; + } + + rom_desc = kmalloc(sizeof(*rom_desc), GFP_KERNEL); + if (!rom_desc) { + kfree(ti_manuf_desc); + return -ENOMEM; + } + + /* Search for type 2 record (firmware record) */ + start_address = get_descriptor_addr(serial, + I2C_DESC_TYPE_FIRMWARE_BASIC, rom_desc); + if (start_address != 0) { + struct ti_i2c_firmware_rec *firmware_version; + u8 *record; + + dev_dbg(dev, "%s - Found Type FIRMWARE (Type 2) record\n", + __func__); + + firmware_version = kmalloc(sizeof(*firmware_version), + GFP_KERNEL); + if (!firmware_version) { + kfree(rom_desc); + kfree(ti_manuf_desc); + return -ENOMEM; } /* - * Validate Hardware version number - * Read Manufacturing Descriptor from TI Based Edgeport + * Validate version number + * Read the descriptor data */ - ti_manuf_desc = kmalloc(sizeof(*ti_manuf_desc), GFP_KERNEL); - if (!ti_manuf_desc) - return -ENOMEM; - - status = get_manuf_info(serial, (__u8 *)ti_manuf_desc); + status = read_rom(serial, start_address + + sizeof(struct ti_i2c_desc), + sizeof(struct ti_i2c_firmware_rec), + (__u8 *)firmware_version); if (status) { + kfree(firmware_version); + kfree(rom_desc); kfree(ti_manuf_desc); return status; } - /* Check version number of ION descriptor */ - if (!ignore_cpu_rev && ti_cpu_rev(ti_manuf_desc) < 2) { - dev_dbg(dev, "%s - Wrong CPU Rev %d (Must be 2)\n", - __func__, ti_cpu_rev(ti_manuf_desc)); - kfree(ti_manuf_desc); - return -EINVAL; - } - - rom_desc = kmalloc(sizeof(*rom_desc), GFP_KERNEL); - if (!rom_desc) { - kfree(ti_manuf_desc); - return -ENOMEM; - } + /* + * Check version number of download with current + * version in I2c + */ + download_cur_ver = (firmware_version->Ver_Major << 8) + + (firmware_version->Ver_Minor); + download_new_ver = (fw_hdr->major_version << 8) + + (fw_hdr->minor_version); - /* Search for type 2 record (firmware record) */ - start_address = get_descriptor_addr(serial, - I2C_DESC_TYPE_FIRMWARE_BASIC, rom_desc); - if (start_address != 0) { - struct ti_i2c_firmware_rec *firmware_version; - u8 *record; + dev_dbg(dev, "%s - >> FW Versions Device %d.%d Driver %d.%d\n", + __func__, firmware_version->Ver_Major, + firmware_version->Ver_Minor, + fw_hdr->major_version, fw_hdr->minor_version); - dev_dbg(dev, "%s - Found Type FIRMWARE (Type 2) record\n", __func__); + /* + * Check if we have an old version in the I2C and + * update if necessary + */ + if (download_cur_ver < download_new_ver) { + dev_dbg(dev, "%s - Update I2C dld from %d.%d to %d.%d\n", + __func__, + firmware_version->Ver_Major, + firmware_version->Ver_Minor, + fw_hdr->major_version, + fw_hdr->minor_version); - firmware_version = kmalloc(sizeof(*firmware_version), - GFP_KERNEL); - if (!firmware_version) { + record = kmalloc(1, GFP_KERNEL); + if (!record) { + kfree(firmware_version); kfree(rom_desc); kfree(ti_manuf_desc); return -ENOMEM; } + /* + * In order to update the I2C firmware we must + * change the type 2 record to type 0xF2. This + * will force the UMP to come up in Boot Mode. + * Then while in boot mode, the driver will + * download the latest firmware (padded to + * 15.5k) into the UMP ram. Finally when the + * device comes back up in download mode the + * driver will cause the new firmware to be + * copied from the UMP Ram to I2C and the + * firmware will update the record type from + * 0xf2 to 0x02. + */ + *record = I2C_DESC_TYPE_FIRMWARE_BLANK; /* - * Validate version number - * Read the descriptor data + * Change the I2C Firmware record type to + * 0xf2 to trigger an update */ - status = read_rom(serial, start_address + - sizeof(struct ti_i2c_desc), - sizeof(struct ti_i2c_firmware_rec), - (__u8 *)firmware_version); + status = write_rom(serial, start_address, + sizeof(*record), record); if (status) { + kfree(record); kfree(firmware_version); kfree(rom_desc); kfree(ti_manuf_desc); @@ -1123,119 +1186,61 @@ static int do_download_mode(struct edgeport_serial *serial, } /* - * Check version number of download with current - * version in I2c + * verify the write -- must do this in order + * for write to complete before we do the + * hardware reset */ - download_cur_ver = (firmware_version->Ver_Major << 8) + - (firmware_version->Ver_Minor); - download_new_ver = (fw_hdr->major_version << 8) + - (fw_hdr->minor_version); - - dev_dbg(dev, "%s - >> FW Versions Device %d.%d Driver %d.%d\n", - __func__, firmware_version->Ver_Major, - firmware_version->Ver_Minor, - fw_hdr->major_version, fw_hdr->minor_version); + status = read_rom(serial, + start_address, + sizeof(*record), + record); + if (status) { + kfree(record); + kfree(firmware_version); + kfree(rom_desc); + kfree(ti_manuf_desc); + return status; + } - /* - * Check if we have an old version in the I2C and - * update if necessary - */ - if (download_cur_ver < download_new_ver) { - dev_dbg(dev, "%s - Update I2C dld from %d.%d to %d.%d\n", - __func__, - firmware_version->Ver_Major, - firmware_version->Ver_Minor, - fw_hdr->major_version, - fw_hdr->minor_version); - - record = kmalloc(1, GFP_KERNEL); - if (!record) { - kfree(firmware_version); - kfree(rom_desc); - kfree(ti_manuf_desc); - return -ENOMEM; - } - /* - * In order to update the I2C firmware we must - * change the type 2 record to type 0xF2. This - * will force the UMP to come up in Boot Mode. - * Then while in boot mode, the driver will - * download the latest firmware (padded to - * 15.5k) into the UMP ram. Finally when the - * device comes back up in download mode the - * driver will cause the new firmware to be - * copied from the UMP Ram to I2C and the - * firmware will update the record type from - * 0xf2 to 0x02. - */ - *record = I2C_DESC_TYPE_FIRMWARE_BLANK; - - /* - * Change the I2C Firmware record type to - * 0xf2 to trigger an update - */ - status = write_rom(serial, start_address, - sizeof(*record), record); - if (status) { - kfree(record); - kfree(firmware_version); - kfree(rom_desc); - kfree(ti_manuf_desc); - return status; - } - - /* - * verify the write -- must do this in order - * for write to complete before we do the - * hardware reset - */ - status = read_rom(serial, - start_address, - sizeof(*record), - record); - if (status) { - kfree(record); - kfree(firmware_version); - kfree(rom_desc); - kfree(ti_manuf_desc); - return status; - } - - if (*record != I2C_DESC_TYPE_FIRMWARE_BLANK) { - dev_err(dev, "%s - error resetting device\n", __func__); - kfree(record); - kfree(firmware_version); - kfree(rom_desc); - kfree(ti_manuf_desc); - return -ENODEV; - } - - dev_dbg(dev, "%s - HARDWARE RESET\n", __func__); - - /* Reset UMP -- Back to BOOT MODE */ - status = ti_vsend_sync(serial->serial->dev, - UMPC_HARDWARE_RESET, - 0, 0, NULL, 0, - TI_VSEND_TIMEOUT_DEFAULT); - - dev_dbg(dev, "%s - HARDWARE RESET return %d\n", __func__, status); - - /* return an error on purpose. */ + if (*record != I2C_DESC_TYPE_FIRMWARE_BLANK) { + dev_err(dev, "%s - error resetting device\n", + __func__); kfree(record); kfree(firmware_version); kfree(rom_desc); kfree(ti_manuf_desc); return -ENODEV; - } else { - /* Same or newer fw version is already loaded */ - serial->fw_version = download_cur_ver; } + + dev_dbg(dev, "%s - HARDWARE RESET\n", __func__); + + /* Reset UMP -- Back to BOOT MODE */ + status = ti_vsend_sync(serial->serial->dev, + UMPC_HARDWARE_RESET, + 0, 0, NULL, 0, + TI_VSEND_TIMEOUT_DEFAULT); + + dev_dbg(dev, "%s - HARDWARE RESET return %d\n", + __func__, status); + + /* return an error on purpose. */ + kfree(record); kfree(firmware_version); + kfree(rom_desc); + kfree(ti_manuf_desc); + return -ENODEV; } - /* Search for type 0xF2 record (firmware blank record) */ - else if ((start_address = get_descriptor_addr(serial, I2C_DESC_TYPE_FIRMWARE_BLANK, rom_desc)) != 0) { + /* Same or newer fw version is already loaded */ + serial->fw_version = download_cur_ver; + kfree(firmware_version); + } + /* Search for type 0xF2 record (firmware blank record) */ + else { + start_address = get_descriptor_addr(serial, + I2C_DESC_TYPE_FIRMWARE_BLANK, rom_desc); + if (start_address != 0) { #define HEADER_SIZE (sizeof(struct ti_i2c_desc) + \ - sizeof(struct ti_i2c_firmware_rec)) + sizeof(struct ti_i2c_firmware_rec)) __u8 *header; __u8 *vheader; @@ -1254,7 +1259,8 @@ static int do_download_mode(struct edgeport_serial *serial, return -ENOMEM; } - dev_dbg(dev, "%s - Found Type BLANK FIRMWARE (Type F2) record\n", __func__); + dev_dbg(dev, "%s - Found Type BLANK FIRMWARE (Type F2) record\n", + __func__); /* * In order to update the I2C firmware we must change @@ -1300,7 +1306,8 @@ static int do_download_mode(struct edgeport_serial *serial, HEADER_SIZE, vheader); if (status) { - dev_dbg(dev, "%s - can't read header back\n", __func__); + dev_dbg(dev, "%s - can't read header back\n", + __func__); kfree(vheader); kfree(header); kfree(rom_desc); @@ -1308,7 +1315,8 @@ static int do_download_mode(struct edgeport_serial *serial, return status; } if (memcmp(vheader, header, HEADER_SIZE)) { - dev_dbg(dev, "%s - write download record failed\n", __func__); + dev_dbg(dev, "%s - write download record failed\n", + __func__); kfree(vheader); kfree(header); kfree(rom_desc); @@ -1327,21 +1335,23 @@ static int do_download_mode(struct edgeport_serial *serial, 0, 0, NULL, 0, TI_VSEND_TIMEOUT_FW_DOWNLOAD); - dev_dbg(dev, "%s - Update complete 0x%x\n", __func__, status); + dev_dbg(dev, "%s - Update complete 0x%x\n", __func__, + status); if (status) { dev_err(dev, "%s - UMPC_COPY_DNLD_TO_I2C failed\n", - __func__); + __func__); kfree(rom_desc); kfree(ti_manuf_desc); return status; } } + } - /* The device is running the download code */ - kfree(rom_desc); - kfree(ti_manuf_desc); - return 0; + /* The device is running the download code */ + kfree(rom_desc); + kfree(ti_manuf_desc); + return 0; } static int do_boot_mode(struct edgeport_serial *serial, -- 1.8.3.1 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
