diff options
author | David S. Miller <davem@davemloft.net> | 2014-09-23 12:09:27 -0400 |
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committer | David S. Miller <davem@davemloft.net> | 2014-09-23 12:09:27 -0400 |
commit | 1f6d80358dc9bbbeb56cb43384fa11fd645d9289 (patch) | |
tree | 152bfa5165292a8e4f06d536b6d222a68480e573 /drivers/usb/storage/uas-detect.h | |
parent | net: sched: fix compile warning in cls_u32 (diff) | |
parent | Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net (diff) | |
download | linux-dev-1f6d80358dc9bbbeb56cb43384fa11fd645d9289.tar.xz linux-dev-1f6d80358dc9bbbeb56cb43384fa11fd645d9289.zip |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
arch/mips/net/bpf_jit.c
drivers/net/can/flexcan.c
Both the flexcan and MIPS bpf_jit conflicts were cases of simple
overlapping changes.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/usb/storage/uas-detect.h')
-rw-r--r-- | drivers/usb/storage/uas-detect.h | 27 |
1 files changed, 23 insertions, 4 deletions
diff --git a/drivers/usb/storage/uas-detect.h b/drivers/usb/storage/uas-detect.h index 503ac5c8d80f..8a6f371ed6e7 100644 --- a/drivers/usb/storage/uas-detect.h +++ b/drivers/usb/storage/uas-detect.h @@ -59,10 +59,6 @@ static int uas_use_uas_driver(struct usb_interface *intf, unsigned long flags = id->driver_info; int r, alt; - usb_stor_adjust_quirks(udev, &flags); - - if (flags & US_FL_IGNORE_UAS) - return 0; alt = uas_find_uas_alt_setting(intf); if (alt < 0) @@ -72,6 +68,29 @@ static int uas_use_uas_driver(struct usb_interface *intf, if (r < 0) return 0; + /* + * ASM1051 and older ASM1053 devices have the same usb-id, and UAS is + * broken on the ASM1051, use the number of streams to differentiate. + * New ASM1053-s also support 32 streams, but have a different prod-id. + */ + if (le16_to_cpu(udev->descriptor.idVendor) == 0x174c && + le16_to_cpu(udev->descriptor.idProduct) == 0x55aa) { + if (udev->speed < USB_SPEED_SUPER) { + /* No streams info, assume ASM1051 */ + flags |= US_FL_IGNORE_UAS; + } else if (usb_ss_max_streams(&eps[1]->ss_ep_comp) == 32) { + flags |= US_FL_IGNORE_UAS; + } + } + + usb_stor_adjust_quirks(udev, &flags); + + if (flags & US_FL_IGNORE_UAS) { + dev_warn(&udev->dev, + "UAS is blacklisted for this device, using usb-storage instead\n"); + return 0; + } + if (udev->bus->sg_tablesize == 0) { dev_warn(&udev->dev, "The driver for the USB controller %s does not support scatter-gather which is\n", |