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iPod Classic: modify USB storage read/write buffers size

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The write buffer size is undefined to use the default 24Kb. size
defined (and recomended) in usb_storage.c, the read buffer size is
also decremented to 24 Kb. USB sequential read and write benchmarks
using diskdump are now 8-9% faster.

Change-Id: Ia7c9f77b57c8ca5b566b508efffbd713d1587acf
This commit is contained in:
Cástor Muñoz 2016-05-15 03:22:31 +02:00
parent b8a237dca2
commit 00a3658e5a
1 changed files with 2 additions and 2 deletions
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4
firmware/export/config/ipod6g.h
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@ -246,6 +246,8 @@
#define USB_NUM_ENDPOINTS 6 #define USB_NUM_ENDPOINTS 6
#define USB_DEVBSS_ATTR __attribute__((aligned(32))) #define USB_DEVBSS_ATTR __attribute__((aligned(32)))
#define USB_READ_BUFFER_SIZE (1024*24)
#define HAVE_SERIAL #define HAVE_SERIAL
/* Disable iAP when LOGF_SERIAL is enabled to avoid conflicts */ /* Disable iAP when LOGF_SERIAL is enabled to avoid conflicts */
#ifndef LOGF_SERIAL #ifndef LOGF_SERIAL
@ -258,7 +260,5 @@
/* Define this, if you can switch on/off the lineout */ /* Define this, if you can switch on/off the lineout */
#define HAVE_LINEOUT_POWEROFF #define HAVE_LINEOUT_POWEROFF
#define USB_WRITE_BUFFER_SIZE (1024*64)
/* Define this if a programmable hotkey is mapped */ /* Define this if a programmable hotkey is mapped */
#define HAVE_HOTKEY #define HAVE_HOTKEY