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usb: gadget: storage: Increase FSG_BUFLEN

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Increase the buffer length to be just above maximum permissible value
of 128 kiB . This increases the performance of the UMS and alike by a
factor of 2 - 2.5 as the buffers are less fragmented.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Lukasz Majewski <lukma@denx.de>
This commit is contained in:
Marek Vasut 2017-10-19 21:45:53 +02:00 committed by Marek Vasut
parent 883946e8e7
commit a8c402f45c
1 changed files with 1 additions and 1 deletions
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2
drivers/usb/gadget/storage_common.c
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@ -309,7 +309,7 @@ static struct fsg_lun *fsg_lun_from_dev(struct device *dev)
#define FSG_NUM_BUFFERS 2 #define FSG_NUM_BUFFERS 2
/* Default size of buffer length. */ /* Default size of buffer length. */
#define FSG_BUFLEN ((u32)16384) #define FSG_BUFLEN ((u32)131072)
/* Maximal number of LUNs supported in mass storage function */ /* Maximal number of LUNs supported in mass storage function */
#define FSG_MAX_LUNS 8 #define FSG_MAX_LUNS 8