usb: gadget: f_tcm: Increase stream count
authorThinh Nguyen <Thinh.Nguyen@synopsys.com>
Wed, 11 Dec 2024 00:32:13 +0000 (00:32 +0000)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 24 Dec 2024 07:56:06 +0000 (08:56 +0100)
Some old builds of Microsoft Windows 10 UASP class driver reject UASP
device with stream count of 2^4. To keep compatibility with both Linux
and Windows, let's increase the stream count to 2^5. Also, internal
tests show that stream count of 2^5 increases performance slightly.

Signed-off-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Link: https://lore.kernel.org/r/23bf7f5cb04da691fd6ba0a77babee9ad3195f44.1733876548.git.Thinh.Nguyen@synopsys.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/gadget/function/tcm.h

index 3cd565794ad74266dc349273fc04e215af1f7b26..6cb05dcd19ff04b81d60eca025e8508b9900724a 100644 (file)
@@ -13,7 +13,7 @@
 #define USBG_NAMELEN 32
 
 #define fuas_to_gadget(f)      (f->function.config->cdev->gadget)
-#define UASP_SS_EP_COMP_LOG_STREAMS 4
+#define UASP_SS_EP_COMP_LOG_STREAMS 5
 #define UASP_SS_EP_COMP_NUM_STREAMS (1 << UASP_SS_EP_COMP_LOG_STREAMS)
 
 enum {