Re: [PATCH 5/5] USB: io_ti: Move request_firmware from edge_startup to download_fw

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On Tue, Sep 01, 2015 at 05:54:18PM -0500, Peter E. Berger wrote:
> From: "Peter E. Berger" <pberger@xxxxxxxxxxx>
> 
> Move request_firmware from edge_startup to download_fw
> 
> Signed-off-by: Peter E. Berger <pberger@xxxxxxxxxxx>
> ---
>  drivers/usb/serial/io_ti.c | 56 ++++++++++++++++++++++++----------------------
>  1 file changed, 29 insertions(+), 27 deletions(-)
> 
> diff --git a/drivers/usb/serial/io_ti.c b/drivers/usb/serial/io_ti.c
> index a226424..9fe12cc 100644
> --- a/drivers/usb/serial/io_ti.c
> +++ b/drivers/usb/serial/io_ti.c
> @@ -991,18 +991,29 @@ static int check_fw_sanity(struct edgeport_serial *serial,
>   * This routine downloads the main operating code into the TI5052, using the
>   * boot code already burned into E2PROM or ROM.
>   */
> -static int download_fw(struct edgeport_serial *serial,
> -		const struct firmware *fw)
> +static int download_fw(struct edgeport_serial *serial)
>  {
>  	struct device *dev = &serial->serial->interface->dev;
>  	int status = 0;
>  	struct usb_interface_descriptor *interface;
> -	struct edgeport_fw_hdr *fw_hdr = (struct edgeport_fw_hdr *)fw->data;
> +	const struct firmware *fw;
> +	const char *fw_name = "edgeport/down3.bin";
> +	struct edgeport_fw_hdr *fw_hdr;
>  
> -	if (check_fw_sanity(serial, fw))
> -		return -EINVAL;
> +	status = request_firmware(&fw, fw_name, dev);
> +	if (status) {
> +		dev_err(dev, "Failed to load image \"%s\" err %d\n",
> +				fw_name, status);
> +		return status;
> +	}
> +	fw_hdr = (struct edgeport_fw_hdr *)fw->data;

Move this after check_fw_sanity below.

> +
> +	if (check_fw_sanity(serial, fw)) {
> +		status = -EINVAL;
> +		goto out;
> +	}
>  
> -	/* If on-board version is newer, "fw_version" will be updated below. */
> +	/* If on-board version is newer, "fw_version" will be updated later. */
>  	serial->fw_version = (fw_hdr->major_version << 8) +
>  			fw_hdr->minor_version;

Thanks,
Johan
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