From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ryusuke Sakato Date: Wed, 10 Sep 2014 01:21:39 +0000 Subject: Re: [PATCH 0/5] arm: shmobile: Lager Add USB and SATA support Message-Id: <540FA7A3.3080607@renesas.com> 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 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/cp= u0/cpufreq/scaling_governor setup of your userland. 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, >=20 > We are testing Serial-ATA driver on linux uptream-v3.17-rc2 on Lager(R8a7= 790 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 sp= eed was up to 66MB/s, > Please see it when you have time. >=20 > Best Regards, > Jinso/Cao Minh Hiep. >=20 >=20 >=20 >=20 >=20 >=20 > On 12/18/2013 09:44 PM, Valentine Barshak wrote: >> I've decided to bundle USB and SATA patches together, since I've done SA= TA on top of USB. >> Most of the SATA/USBHS/PCI USB host support patches for Lager are availa= ble in the respective >> susbsystem git trees (for 3.14) but are still missing from the Renesas t= ree. >> >> So, in order to test these, the following patches from other subsystem t= rees 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=3Dn= ext&id=C3e5d2985ef720cbbdc63546a5c545ac4450d96e >> https://git.kernel.org/cgit/linux/kernel/git/gregkh/usb.git/commit/?h=3D= usb-next&id=103e127d1f8f985e8a662da6537ebc5e08902ee3 >> https://git.kernel.org/cgit/linux/kernel/git/gregkh/usb.git/commit/?h=3D= usb-next&id=1Ae5799ef63176cc75ec10e545cb65f620a82747 >> >> SATA: >> https://git.kernel.org/cgit/linux/kernel/git/tj/libata.git/commit/?h=3Df= or-3.14&id=E67adb4e669db834c1f95cbdf99bb4e9ec8455b3 >> >> The USB channel 0 (CN6) is configured as PCI USB host if USB_RENESAS_USB= HS_UDC is disabled. >> Otherwise it is configured as USBHS device. >> Please note that the following switches have to be set correctly as well: >> 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(-) >> >=20 >=20