Re: [U-Boot] [PATCH v2 7/8] usb: rockchip: boost up write speed from 4MB/s to 15MB/s

[Simon Glass]

On 4 July 2018 at 12:47, Alberto Panizzo  wrote:
> Speedup transfers increasing the max chunk size.
> Buffers are allocated with memalign thus developer is noticed when heap is
> full and in current configuration a buffer allocation of 64K till now
> is safe.
>
> Signed-off-by: Alberto Panizzo 
> ---
>  arch/arm/include/asm/arch-rockchip/f_rockusb.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Reviewed-by: Simon Glass 
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[U-Boot] [PATCH v2 7/8] usb: rockchip: boost up write speed from 4MB/s to 15MB/s

[Alberto Panizzo]

Speedup transfers increasing the max chunk size.
Buffers are allocated with memalign thus developer is noticed when heap is
full and in current configuration a buffer allocation of 64K till now
is safe.

Signed-off-by: Alberto Panizzo 
---
 arch/arm/include/asm/arch-rockchip/f_rockusb.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/include/asm/arch-rockchip/f_rockusb.h 
b/arch/arm/include/asm/arch-rockchip/f_rockusb.h
index 9772321..141aae6 100644
--- a/arch/arm/include/asm/arch-rockchip/f_rockusb.h
+++ b/arch/arm/include/asm/arch-rockchip/f_rockusb.h
@@ -19,7 +19,7 @@
 #define RX_ENDPOINT_MAXIMUM_PACKET_SIZE_1_1  0x0040
 #define TX_ENDPOINT_MAXIMUM_PACKET_SIZE  0x0040
 
-#define EP_BUFFER_SIZE 4096
+#define EP_BUFFER_SIZE 65536
 /*
  * EP_BUFFER_SIZE must always be an integral multiple of maxpacket size
  * (64 or 512 or 1024), else we break on certain controllers like DWC3
-- 
2.7.4

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