On Thu, Nov 25, 2010 at 12:00:35PM +0530, Mayank Rana wrote: > This driver supports UART-DM HW on MSM platforms. It uses the on > chip DMA to drive data transfers and has optional support for UART > power management independent of Linux suspend/resume and wakeup > from Rx. > > The driver was originally developed by Google. It is functionally > equivalent to the version available at: > http://android.git.kernel.org/?p=kernel/experimental.git > the differences being: > 1) Remove wakelocks and change unsupported DMA API. > 2) Replace clock selection register codes by macros. > 3) Fix checkpatch errors and add inline documentation. > 4) Add runtime PM hooks for active power state transitions. > > CC: Nick Pelly <npelly@xxxxxxxxxx> > Signed-off-by: Sankalp Bose <sankalpb@xxxxxxxxxxxxxx> > Signed-off-by: Mayank Rana <mrana@xxxxxxxxxxxxxx> > --- > drivers/serial/Kconfig | 12 + > drivers/serial/Makefile | 1 + > drivers/serial/msm_serial_hs.c | 1680 > ++++++++++++++++++++++++++++++++++ Your patch is line-wrapped and can not be applid. Please fix your email client and try again. > drivers/serial/msm_serial_hs_hwreg.h | 167 ++++ > include/linux/msm_serial_hs.h | 49 + > 5 files changed, 1909 insertions(+), 0 deletions(-) > create mode 100644 drivers/serial/msm_serial_hs.c > create mode 100644 drivers/serial/msm_serial_hs_hwreg.h > create mode 100644 include/linux/msm_serial_hs.h > > diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig > index aff9dcd..0a935ee 100644 > --- a/drivers/serial/Kconfig > +++ b/drivers/serial/Kconfig > @@ -1381,6 +1381,18 @@ config SERIAL_MSM_CONSOLE > depends on SERIAL_MSM=y > select SERIAL_CORE_CONSOLE > > +config SERIAL_MSM_HS > + tristate "MSM UART High Speed: Serial Driver" > + depends on ARM && ARCH_MSM > + select SERIAL_CORE > + help > + If you have a machine based on MSM family of SoCs, you > + can enable its onboard high speed serial port by enabling > + this option. > + > + Choose M here to compile it as a module. The module will be > + called msm_serial_hs. > + > config SERIAL_NETX > tristate "NetX serial port support" > depends on ARM && ARCH_NETX > diff --git a/drivers/serial/Makefile b/drivers/serial/Makefile > index c570576..667de45 100644 > --- a/drivers/serial/Makefile > +++ b/drivers/serial/Makefile > @@ -76,6 +76,7 @@ obj-$(CONFIG_SERIAL_SGI_IOC3) += ioc3_serial.o > obj-$(CONFIG_SERIAL_ATMEL) += atmel_serial.o > obj-$(CONFIG_SERIAL_UARTLITE) += uartlite.o > obj-$(CONFIG_SERIAL_MSM) += msm_serial.o > +obj-$(CONFIG_SERIAL_MSM_HS) += msm_serial_hs.o > obj-$(CONFIG_SERIAL_NETX) += netx-serial.o > obj-$(CONFIG_SERIAL_OF_PLATFORM) += of_serial.o > obj-$(CONFIG_SERIAL_OF_PLATFORM_NWPSERIAL) += nwpserial.o > diff --git a/drivers/serial/msm_serial_hs.c > b/drivers/serial/msm_serial_hs.c > new file mode 100644 > index 0000000..4fdc70e > --- /dev/null > +++ b/drivers/serial/msm_serial_hs.c > @@ -0,0 +1,1680 @@ > +/* drivers/serial/msm_serial_hs.c > + * > + * MSM 7k/8k High speed uart driver > + * > + * Copyright (c) 2007-2010, Code Aurora Forum. All rights reserved. > + * Copyright (c) 2008 Google Inc. > + * Modified: Nick Pelly <npelly@xxxxxxxxxx> I don't understand, Nick originally wrote it? Or modified your version? > + * > + * All source code in this file is licensed under the following license > + * except where indicated. > + * > + * This program is free software; you can redistribute it and/or > + * modify it under the terms of the GNU General Public License > + * version 2 as published by the Free Software Foundation. > + * > + * This program is distributed in the hope that it will be useful, > + * but WITHOUT ANY WARRANTY; without even the implied warranty of > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. > + * See the GNU General Public License for more details. > + * > + * You should have received a copy of the GNU General Public License > + * along with this program; if not, you can find it at http://www.fsf.org > + */ > + > +/* > + * MSM 7k/8k High speed uart driver > + * > + * Has optional support for uart power management independent of linux > + * suspend/resume: > + * > + * RX wakeup. > + * UART wakeup can be triggered by RX activity (using a wakeup GPIO on the > + * UART RX pin). This should only be used if there is not a wakeup > + * GPIO on the UART CTS, and the first RX byte is known (for example, with > the > + * Bluetooth Texas Instruments HCILL protocol), since the first RX byte > will > + * always be lost. RTS will be asserted even while the UART is off in this > mode > + * of operation. See msm_serial_hs_platform_data.rx_wakeup_irq. > + */ > + > +#include <linux/module.h> > + > +#include <linux/serial.h> > +#include <linux/serial_core.h> > +#include <linux/slab.h> > +#include <linux/init.h> > +#include <linux/interrupt.h> > +#include <linux/irq.h> > +#include <linux/io.h> > +#include <linux/ioport.h> > +#include <linux/kernel.h> > +#include <linux/timer.h> > +#include <linux/clk.h> > +#include <linux/platform_device.h> > +#include <linux/pm_runtime.h> > +#include <linux/dma-mapping.h> > +#include <linux/dmapool.h> > +#include <linux/wait.h> > +#include <linux/workqueue.h> > + > +#include <asm/atomic.h> > +#include <asm/irq.h> > +#include <asm/system.h> > + > +#include <mach/hardware.h> > +#include <mach/dma.h> > +#include <linux/msm_serial_hs.h> Please put this file in include/platform_data/ instead. thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
