From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?B?44Kr44Kq44CA44Of44Oz44CA44OS44Kn44OD44OX?= Date: Wed, 10 Sep 2014 05:18:03 +0000 Subject: Re: [PATCH 0/5] arm: shmobile: Lager Add USB and SATA support Message-Id: <540FDF0B.9070404@jinso.co.jp> List-Id: References: <1387370660-20481-1-git-send-email-valentine.barshak@cogentembedded.com> In-Reply-To: <1387370660-20481-1-git-send-email-valentine.barshak@cogentembedded.com> MIME-Version: 1.0 Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: quoted-printable To: linux-sh@vger.kernel.org Hi Sakato-san Thanks for your comment. On 09/10/2014 10:21 AM, Ryusuke Sakato wrote: > Hi Hiep-san, > > Can you check as CONFIG_CPU_FREQ is not set? > > When you perform a benchmark, you should check a /sys/devices/system/cpu/= cpu0/cpufreq/scaling_governor > setup of your userland. CONFIG_CPU_FREQ=3Dy on default config, And I have just checked=20 /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor Before writing: # cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor ondemand just after writing: #cp /tmp/file-350mb /mnt/ ; cat=20 /sys/devices/system/cpu/cpu1/cpufreq/scaling_governor ondemand Best regards, Cao Minh Hiep > Thank you, > Sakato. > > (2014/09/09 19:48), =E3=82=AB=E3=82=AA=E3=80=80=E3=83=9F=E3=83=B3=E3=80= =80=E3=83=92=E3=82=A7=E3=83=83=E3=83=97 wrote: >> Hello, >> >> We are testing Serial-ATA driver on linux uptream-v3.17-rc2 on Lager(R8a= 7790 SoC), >> On this version Serial-ATA's Writing speed on HDD is about 42.61MB/s. >> This writing speed|| seems good, but on Upstream-v3.16-rc5 the writing s= peed was up to 66MB/s, >> Please see it when you have time. >> >> Best Regards, >> Jinso/Cao Minh Hiep. >> >> >> >> >> >> >> On 12/18/2013 09:44 PM, Valentine Barshak wrote: >>> I've decided to bundle USB and SATA patches together, since I've done S= ATA on top of USB. >>> Most of the SATA/USBHS/PCI USB host support patches for Lager are avail= able in the respective >>> susbsystem git trees (for 3.14) but are still missing from the Renesas = tree. >>> >>> So, in order to test these, the following patches from other subsystem = trees are needed: >>> USB: >>> https://git.kernel.org/cgit/linux/kernel/git/helgaas/pci.git/commit/?h= =3Dpci/host-rcar&id=FB178d8b2fab3f2a9f203c13ffe80cfd6e01bdf1 >>> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/= ?id=C8ba8115a21226fba3211085f570b128fa271e31 >>> https://git.kernel.org/cgit/linux/kernel/git/balbi/usb.git/commit/?h=3D= next&id=C3e5d2985ef720cbbdc63546a5c545ac4450d96e >>> https://git.kernel.org/cgit/linux/kernel/git/gregkh/usb.git/commit/?h= =3Dusb-next&id=103e127d1f8f985e8a662da6537ebc5e08902ee3 >>> https://git.kernel.org/cgit/linux/kernel/git/gregkh/usb.git/commit/?h= =3Dusb-next&id=1Ae5799ef63176cc75ec10e545cb65f620a82747 >>> >>> SATA: >>> https://git.kernel.org/cgit/linux/kernel/git/tj/libata.git/commit/?h=3D= for-3.14&id=E67adb4e669db834c1f95cbdf99bb4e9ec8455b3 >>> >>> The USB channel 0 (CN6) is configured as PCI USB host if USB_RENESAS_US= BHS_UDC is disabled. >>> Otherwise it is configured as USBHS device. >>> Please note that the following switches have to be set correctly as wel= l: >>> PCI USB Host: SW5 - pin1; SW6 - pin1 >>> USBHS device: SW5 - neutral; SW6 - pin3 >>> >>> Valentine Barshak (5): >>> arm: shmobile: r8a7790: Add PCI USB host clock support >>> arm: shmobile: r8a7790: Add SATA clock >>> arm: shmobile: lager: Add USBHS support >>> arm: shmobile: lager: Add internal PCI support >>> arm: shmobile: lager: Add SATA support >>> >>> arch/arm/mach-shmobile/board-lager.c | 203 +++++++++++++++++++++++= ++++++++++ >>> arch/arm/mach-shmobile/clock-r8a7790.c | 25 +++- >>> 2 files changed, 227 insertions(+), 1 deletion(-) >>> >> >