linux-stable.git/drivers/tty/serial/sprd_serial.c, branch linux-4.3.y Linux kernel stable tree serial: sprd: check for NULL after calling devm_clk_get 2015-06-13T00:39:50+00:00 Fernando Guzman Lugo fernando.guzman.lugo@intel.com 2015-06-11T02:39:46+00:00 ff0daa1c1a28c9866d735852a1cbfb9c757aaa7b In platforms which does not use CLK framework (HAVE_CLK not set), the clk_* functions return NULL instead of an error. This patch handles that scenario. Signed-off-by: Fernando Guzman Lugo <fernando.guzman.lugo@intel.com> Signed-off-by: Chunyan Zhang <chunyan.zhang@spreadtrum.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
In platforms which does not use CLK framework (HAVE_CLK not set), the
clk_* functions return NULL instead of an error. This patch handles that
scenario.

Signed-off-by: Fernando Guzman Lugo <fernando.guzman.lugo@intel.com>
Signed-off-by: Chunyan Zhang <chunyan.zhang@spreadtrum.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Merge 4.0-rc3 into tty-testing 2015-03-09T06:08:37+00:00 Greg Kroah-Hartman gregkh@linuxfoundation.org 2015-03-09T06:08:37+00:00 becba85f0e1ca8ab97bd7e836a7129a94ace1ff2 This resolves a merge issue in drivers/tty/serial/8250/8250_pci.c Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
This resolves a merge issue in drivers/tty/serial/8250/8250_pci.c

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
serial: sprd: Fix missing spin_unlock in sprd_handle_irq() 2015-03-07T02:39:55+00:00 Axel Lin axel.lin@ingics.com 2015-02-16T14:39:04+00:00 c4e6dcfa00dab9b10e75bba835393b81f256310b Fix return from sprd_handle_irq() with spin_lock held. Signed-off-by: Axel Lin <axel.lin@ingics.com> Reviewed-by: Peter Hurley <peter@hurleysoftware.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
Fix return from sprd_handle_irq() with spin_lock held.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Reviewed-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
serial: sprd: Fix iotype 2015-03-07T02:28:01+00:00 Peter Hurley peter@hurleysoftware.com 2015-02-24T17:06:34+00:00 7950dc586092d0c7a8b881188061cc3dc133d7e9 The Spreadtrum UART is accessed with mmio; declare the proper iotype. Also prevent userspace from assigning any other iotype via ioctl(TIOCSSERIAL). Signed-off-by: Peter Hurley <peter@hurleysoftware.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
The Spreadtrum UART is accessed with mmio; declare the proper iotype.
Also prevent userspace from assigning any other iotype via
ioctl(TIOCSSERIAL).

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
sprd_serial: compile sprd_suspend and sprd_resume conditionally 2015-03-07T02:13:07+00:00 Paul Bolle pebolle@tiscali.nl 2015-02-03T20:05:50+00:00 b51e3f5ad5b2618702d689942dfaf7b15ea5eba4 Building sprd_serial.o when CONFIG_PM_SLEEP is not defined triggers these warnings: drivers/tty/serial/sprd_serial.c:755:12: warning: ‘sprd_suspend’ defined but not used [-Wunused-function] static int sprd_suspend(struct device *dev) ^ drivers/tty/serial/sprd_serial.c:764:12: warning: ‘sprd_resume’ defined but not used [-Wunused-function] static int sprd_resume(struct device *dev) ^ Let's compile these functions only when CONFIG_PM_SLEEP is defined. Signed-off-by: Paul Bolle <pebolle@tiscali.nl> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
Building sprd_serial.o when CONFIG_PM_SLEEP is not defined triggers
these warnings:
    drivers/tty/serial/sprd_serial.c:755:12: warning: ‘sprd_suspend’ defined but not used [-Wunused-function]
     static int sprd_suspend(struct device *dev)
                ^
    drivers/tty/serial/sprd_serial.c:764:12: warning: ‘sprd_resume’ defined but not used [-Wunused-function]
     static int sprd_resume(struct device *dev)
                ^

Let's compile these functions only when CONFIG_PM_SLEEP is defined.

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
tty/serial: Add Spreadtrum sc9836-uart driver support 2015-02-02T18:11:28+00:00 Chunyan Zhang chunyan.zhang@spreadtrum.com 2015-01-28T11:08:44+00:00 b7396a38fb28db4ebbbf35da1057eb5206b4ad6c Add a full sc9836-uart driver for SC9836 SoC which is based on the spreadtrum sharkl64 platform. This driver also support earlycon. Originally-by: Lanqing Liu <lanqing.liu@spreadtrum.com> Signed-off-by: Orson Zhai <orson.zhai@spreadtrum.com> Signed-off-by: Chunyan Zhang <chunyan.zhang@spreadtrum.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Peter Hurley <peter@hurleysoftware.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
Add a full sc9836-uart driver for SC9836 SoC which is based on the
spreadtrum sharkl64 platform.
This driver also support earlycon.

Originally-by: Lanqing Liu <lanqing.liu@spreadtrum.com>
Signed-off-by: Orson Zhai <orson.zhai@spreadtrum.com>
Signed-off-by: Chunyan Zhang <chunyan.zhang@spreadtrum.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>