From: Marek Vasut <marex@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH v2 0/6] usb:samsung: Exynos4 SoC USB code improvements
Date: Thu, 6 Feb 2014 02:24:03 +0100 [thread overview]
Message-ID: <201402060224.03931.marex@denx.de> (raw)
In-Reply-To: <1391591446-17843-1-git-send-email-l.majewski@samsung.com>
On Wednesday, February 05, 2014 at 10:10:40 AM, Lukasz Majewski wrote:
> This patch series comprises several improvements for Exynos4 USB code.
>
> The most notable is transmission speed improvement (measured on Trats):
> From 9.51 MiB/s up to 27 MiB/s
>
> This is due to UDC driver optimizations.
>
> Also a code cleanup for THOR gadget has been included.
>
> Lukasz Majewski (6):
> usb:gadget:ums: Replace malloc calls with memalign to fix cache
> buffer alignment
> usb:udc:samsung: Remove redundant cache operation from Samsung UDC
> driver
> usb:udc:samsung: Allow burst transfers for non EP0 endpints
> usb:udc:samsung: Zero copy approach for data passed to Samsung's UDC
> driver
> usb:gadget:f_thor: Allocate request up to THOR_PACKET_SIZE not
> ep->maxpacket
> usb:gadget:f_thor: cosmetic: Remove debug memset
>
> drivers/usb/gadget/f_mass_storage.c | 4 +-
> drivers/usb/gadget/f_thor.c | 4 +-
> drivers/usb/gadget/s3c_udc_otg.c | 19 +++----
> drivers/usb/gadget/s3c_udc_otg_xfer_dma.c | 87
> ++++++++++++----------------- include/usb/s3c_udc.h |
> 5 +-
> 5 files changed, 49 insertions(+), 70 deletions(-)
Applied all, but I'd like to know about the memalign() calls' precise alignment
behavior -- that is, if the begining if cacheline aligned or if it's only the
size or what -- see my rant /wrt patch #1 .
Best regards,
Marek Vasut
prev parent reply other threads:[~2014-02-06 1:24 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-31 12:16 [U-Boot] [PATCH 0/6] usb:samsung: Exynos4 SoC USB code improvements Lukasz Majewski
2014-01-31 12:16 ` [U-Boot] [PATCH 1/6] usb:gadget:ums: Replace malloc calls with memalign to fix cache buffer alignment Lukasz Majewski
2014-02-01 2:48 ` Marek Vasut
2014-02-01 9:10 ` Lukasz Majewski
2014-01-31 12:16 ` [U-Boot] [PATCH 2/6] usb:udc:samsung: Remove redundant cache operation from Samsung UDC driver Lukasz Majewski
2014-02-01 2:50 ` Marek Vasut
2014-02-01 9:56 ` Lukasz Majewski
2014-02-01 22:49 ` Marek Vasut
2014-02-03 8:05 ` Lukasz Majewski
2014-02-03 18:06 ` Marek Vasut
2014-02-04 6:23 ` Lukasz Majewski
2014-01-31 12:16 ` [U-Boot] [PATCH 3/6] usb:udc:samsung: Allow burst transfers for non EP0 endpints Lukasz Majewski
2014-01-31 12:16 ` [U-Boot] [PATCH 4/6] usb:udc:samsung: Zero copy approach for data passed to Samsung's UDC driver Lukasz Majewski
2014-02-01 2:55 ` Marek Vasut
2014-02-01 11:05 ` Lukasz Majewski
2014-02-01 22:55 ` Marek Vasut
2014-02-03 11:06 ` Lukasz Majewski
2014-02-03 18:11 ` Marek Vasut
2014-02-04 7:29 ` Lukasz Majewski
2014-02-04 20:21 ` Marek Vasut
2014-02-04 21:49 ` Lukasz Majewski
2014-02-05 2:35 ` Marek Vasut
2014-01-31 12:16 ` [U-Boot] [PATCH 5/6] usb:gadget:f_thor: Allocate request up to THOR_PACKET_SIZE not ep->maxpacket Lukasz Majewski
2014-01-31 12:16 ` [U-Boot] [PATCH 6/6] usb:gadget:f_thor: cosmetic: Remove debug memset Lukasz Majewski
2014-02-05 9:10 ` [U-Boot] [PATCH v2 0/6] usb:samsung: Exynos4 SoC USB code improvements Lukasz Majewski
2014-02-05 9:10 ` [U-Boot] [PATCH v2 1/6] usb:gadget:ums: Replace malloc calls with memalign to fix cache buffer alignment Lukasz Majewski
2014-02-06 1:20 ` Marek Vasut
2014-02-06 6:33 ` Lukasz Majewski
2014-02-06 6:41 ` Marek Vasut
2014-02-06 8:16 ` Lukasz Majewski
2014-02-05 9:10 ` [U-Boot] [PATCH v2 2/6] usb:udc:samsung: Remove redundant cache operation from Samsung UDC driver Lukasz Majewski
2014-02-05 9:10 ` [U-Boot] [PATCH v2 3/6] usb:udc:samsung: Allow burst transfers for non EP0 endpints Lukasz Majewski
2014-02-05 9:10 ` [U-Boot] [PATCH v2 4/6] usb:udc:samsung: Zero copy approach for data passed to Samsung's UDC driver Lukasz Majewski
2014-02-05 9:10 ` [U-Boot] [PATCH v2 5/6] usb:gadget:f_thor: Allocate request up to THOR_PACKET_SIZE not ep->maxpacket Lukasz Majewski
2014-02-05 9:10 ` [U-Boot] [PATCH v2 6/6] usb:gadget:f_thor: cosmetic: Remove debug memset Lukasz Majewski
2014-02-06 1:24 ` Marek Vasut [this message]
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