> -----Original Message----- > From: Lijun Pan [mailto:Lijun.Pan@xxxxxxxxxxxxx] > Sent: Sunday, October 25, 2015 5:41 PM > To: gregkh@xxxxxxxxxxxxxxxxxxx; arnd@xxxxxxxx; devel@xxxxxxxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx > Cc: Yoder Stuart-B08248; katz Itai-RM05202; Rivera Jose-B46482; Li Yang-Leo-R58472; Wood Scott-B07421; > agraf@xxxxxxx; Hamciuc Bogdan-BHAMCIU1; Marginean Alexandru-R89243; Sharma Bhupesh-B45370; Erez Nir-RM30794; > Schmitt Richard-B43082; dan.carpenter@xxxxxxxxxx; Pan Lijun-B44306 > Subject: [PATCH 5/5] staging: fsl-mc: Management Complex restool driver > > The kernel support for the restool (a user space resource management > tool) is a driver for the /dev/dprc.N device file. > Its purpose is to provide an ioctl interface, > which the restool uses to interact with the MC bus driver Name of the user space tool should be updated to be current: s/restool/ls-restool/ > and with the MC firmware. > We allocate a dpmcp at driver initialization, > and keep that dpmcp until driver exit. > We use that dpmcp by default. > If that dpmcp is in use, we create another portal at run time > and destroy the newly created portal after use. > The ioctl RESTOOL_SEND_MC_COMMAND sends user space command to fsl-mc > bus and utilizes the fsl-mc bus to communicate with MC firmware. > The ioctl RESTOOL_DPRC_SYNC request the mc-bus launch > objects scan under root dprc. > In order to support multiple root dprc, we utilize the bus notify > mechanism to scan fsl_mc_bus_type for the newly added root dprc. > After discovering the root dprc, it creates a miscdevice > /dev/dprc.N to associate with this root dprc. > > Signed-off-by: Lijun Pan <Lijun.Pan@xxxxxxxxxxxxx> > --- > drivers/staging/fsl-mc/bus/Kconfig | 7 +- > drivers/staging/fsl-mc/bus/Makefile | 3 + > drivers/staging/fsl-mc/bus/mc-ioctl.h | 24 ++ > drivers/staging/fsl-mc/bus/mc-restool.c | 488 ++++++++++++++++++++++++++++++++ > 4 files changed, 521 insertions(+), 1 deletion(-) > create mode 100644 drivers/staging/fsl-mc/bus/mc-ioctl.h > create mode 100644 drivers/staging/fsl-mc/bus/mc-restool.c > > diff --git a/drivers/staging/fsl-mc/bus/Kconfig b/drivers/staging/fsl-mc/bus/Kconfig > index 0d779d9..39c6ef9 100644 > --- a/drivers/staging/fsl-mc/bus/Kconfig > +++ b/drivers/staging/fsl-mc/bus/Kconfig > @@ -21,4 +21,9 @@ config FSL_MC_BUS > Only enable this option when building the kernel for > Freescale QorQIQ LS2xxxx SoCs. > > - > +config FSL_MC_RESTOOL > + tristate "Freescale Management Complex (MC) restool driver" s/restool/ls-restool/ Thanks, Stuart _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
