On Sat, 13 Sep 2014, Hans de Goede wrote:
> And set this quirk for the Seagate Expansion Desk (0bc2:2312), as that one
> seems to hang upon receiving an ATA_12 or ATA_16 command.
>
> https://bugzilla.kernel.org/show_bug.cgi?id=79511
>
> Cc: [email protected] # 3.16
> Signed-off-by: Hans de Goede <[email protected]>
> --- a/drivers/usb/storage/usb.c
> +++ b/drivers/usb/storage/usb.c
> @@ -478,7 +478,8 @@ void usb_stor_adjust_quirks(struct usb_device *udev,
> unsigned long *fflags)
> US_FL_CAPACITY_OK | US_FL_IGNORE_RESIDUE |
> US_FL_SINGLE_LUN | US_FL_NO_WP_DETECT |
> US_FL_NO_READ_DISC_INFO | US_FL_NO_READ_CAPACITY_16 |
> - US_FL_INITIAL_READ10 | US_FL_WRITE_CACHE);
> + US_FL_INITIAL_READ10 | US_FL_WRITE_CACHE |
> + US_FL_NO_ATA_1X);
>
> p = quirks;
> while (*p) {
> @@ -543,6 +544,9 @@ void usb_stor_adjust_quirks(struct usb_device *udev,
> unsigned long *fflags)
> case 's':
> f |= US_FL_SINGLE_LUN;
> break;
> + case 't':
> + f |= US_FL_NO_ATA_1X;
> + break;
> case 'u':
> f |= US_FL_IGNORE_UAS;
> break;
You must not add an aditional value for a module parameter without
documenting it in Documentation/kernel-parameters.txt.
Alan Stern
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