Once in a time omapdss had basic support for fifomerge. Fifomerge was
removed as the implementation didn't work properly, and a proper
implementation is a complex problem.
However, some unused fifo-merge related code was left behind. This patch
removes those.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
We sometimes get timeout when disabling the DSI interface with video
mode. It looks like the disable will stall until the current frame has
been finished, and this can take multiple milliseconds.
wait_for_bit_change() currently uses a busyloop to wait for a bit to
change. This is used in multiple places. The problem is, we don't have
clear understanding how long particular operations can take, so the
function needs to support longer waits.
Improve wait_for_bit_change() to first busy loop for 100 times to see if
the bit changes almost right away. If the bit hasn't changed, move to a
loop with a sleep of 1ms, and poll for 500ms.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
The current code always enters ULPS for 3 lanes. This is not right, as
there could be only 2 lanes used, and on OMAP4 we have 5 lanes.
Fix the code to put all used lanes into ULPS.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
There's no longer need for the dsi_get_num_lanes_used function, so it
can be removed. The lane check in dsi_init_display() can be removed as
the validity of the config will be verified when parsing it.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Use the new lane config in dsi_cio_enable_lane_override(). The function
parameters are also slightly changed.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Use the new lane config in dsi_cio_wait_tx_clk_esc_reset(). This also
extends the function to support 5 lanes on OMAP4, instead of 3 lanes.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Parse the lane configuration from the device data into internal lane
config format. This will be used in the following patches to clean up
the lane handling.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
DSI driver currently counts used lanes and number of supported lanes by
using the number of data lanes (i.e. excluding clock lane). This patch
changes this to use the number of all lanes so that the following lane
config patches are cleaner.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Flush posted write in _enable_lcd_out() and _enable_digit_out(). This
ensures the the lcd/digit bit is written before the code starts waiting
for interrupts about enabling/disabling the output.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Flush posted write after setting the bit to send the BTA to ensure the
BTA is sent right away, as the code in dsi_vc_send_bta_sync() waits for
an interrupt caused indirectly by sending the BTA.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Add data for the FocalTech ETM070003DH6 display to the generic_dpi_panel
display driver.
Signed-off-by: Ilya Yanok <yanok@emcraft.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
This is for supporting saif record function.
Signed-off-by: Dong Aisheng <b29396@freescale.com>
Acked-by: Marek Vasut <marek.vasut@gmail.com>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Wolfram Sang <w.sang@pengutronix.de>
Cc: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Cc: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: Liam Girdwood <lrg@ti.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Add master_mode and master_id in platfrom_data since it's board
specific and board knows it.
Then we can remove the function pointer in platfrom_data to make
the driver more devicetree friendly.
Signed-off-by: Dong Aisheng <b29396@freescale.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
The Littlemill audio card is an adaptor card which can take any 6220-EV1
CODEC daughtercard. Provide standard support for the use of WM8994 class
devices on the Littlemill card, configuring the MFD for WM8958 usage as
this part is a superset of all others and the driver will use runtime
detection to identify the actually fitted part given the configuration for
the superset.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
[kgene.kim@samsung.com: fix up conflict]
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Now that the WM5100 driver is merged add some initial platform data for
the WM5100 on Kilchomin.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
No need not to now that generic emulation is provided for the PMIC IRQ
controller.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
As our ID table is populated with hexidecimal values it makes sense to log
unknown module IDs in hexidecimal. It's also helpful to display board
revisions as 1 based rather than 0 based as that's the numbering system
used for the hardware (and what we do when announcing known modules).
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Since the two PMICs are independent we initiate a shutdown on each.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
[kgene.kim@samsung.com: fix up conflict]
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
The S3C I2C driver defaults to a rather low 66kHz, ask for 400kHz for
a bit of a speed boost.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
It's a correction of two macro names, renaming them from IRADC to LRADC.
Signed-off-by: Peter Rusko <rusko.peter@prolan.hu>
Acked-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Adding the machine_is_* line was forgotten when converting mach-stmp378x to
mach-mxs.
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Cc: stable@kernel.org
Initializers of m28evk and stmp378x_devb fixed to be in order
they are called.
reference: http://article.gmane.org/gmane.linux.ports.arm.omap/50721
Cc: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Lauri Hintsala <lauri.hintsala@bluegiga.com>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
The symbol is not exported and doesn't need to be.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@kernel.org
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
This is required for the EXPORT_SYMBOL()s the code uses, previously the
header was being included implicitly by another header.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
The extern is only useful on prototypes.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@kernel.org
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Help people find the overall architecture.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
There's a Samsung-specific mailing list but it's not advertised in
MAINTAINERS - add it to the overall architecture to make it more
discoverable.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
[kgene.kim@samsung.com: added notice of 'moderated']
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
These days most Samsung stuff gets in the kernel through Kukjin Kim.
This patch changes MAINTAINERS to reflect this.
By adding Kukjin Kim to the maintainers for S3C2410, S3C244x and
S3C64xx alongside Ben Dooks the extra entries become identical to the
base ARM/SAMSUNG entry and can move into it.
Also the S3C2416 gets a maintainer through the s3c24* wildcard - as it
did not have one until now.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (73 commits)
netfilter: Remove ADVANCED dependency from NF_CONNTRACK_NETBIOS_NS
ipv4: flush route cache after change accept_local
sch_red: fix red_change
Revert "udp: remove redundant variable"
bridge: master device stuck in no-carrier state forever when in user-stp mode
ipv4: Perform peer validation on cached route lookup.
net/core: fix rollback handler in register_netdevice_notifier
sch_red: fix red_calc_qavg_from_idle_time
bonding: only use primary address for ARP
ipv4: fix lockdep splat in rt_cache_seq_show
sch_teql: fix lockdep splat
net: fec: Select the FEC driver by default for i.MX SoCs
isdn: avoid copying too long drvid
isdn: make sure strings are null terminated
netlabel: Fix build problems when IPv6 is not enabled
sctp: better integer overflow check in sctp_auth_create_key()
sctp: integer overflow in sctp_auth_create_key()
ipv6: Set mcast_hops to IPV6_DEFAULT_MCASTHOPS when -1 was given.
net: Fix corruption in /proc/*/net/dev_mcast
mac80211: fix race between the AGG SM and the Tx data path
...
ftrace_event_call->filter is sched RCU protected but didn't use
rcu_assign_pointer(). Use it.
TODO: Add proper __rcu annotation to call->filter and all its users.
-v2: Use RCU_INIT_POINTER() for %NULL clearing as suggested by Eric.
Link: http://lkml.kernel.org/r/20111123164949.GA29639@google.com
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: stable@kernel.org # (2.6.39+)
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
In the new kernel, we will get the following compile error:
arch/arm/mach-prima2/pm.c:141: error: 'THIS_MODULE' undeclared
here (not in a function)
so include module.h head file explicitly
Signed-off-by: Barry Song <baohua.song@csr.com>
commit 98b0124f0e
"ARM: mach-prima2: move ARM_DMA_ZONE_SIZE to mdesc->dma_zone_size"
causes building error:
arch/arm/mach-prima2/prima2.c:39:19: error: 'SZ_256M' undeclared here
(not in a function)
Signed-off-by: Barry Song <baohua.song@csr.com>
After reset ipv4_devconf->data[IPV4_DEVCONF_ACCEPT_LOCAL] to 0,
we should flush route cache, or it will continue receive packets with local
source address, which should be dropped.
Signed-off-by: Weiping Pan <panweiping3@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Use the exact value found in omap1_rate_table, otherwise I have been
experiencing issues with correct timekeeping on my Amstrad Delta.
Signed-off-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
[tony@atomide.com: removed comment referencing a development branch]
Signed-off-by: Tony Lindgren <tony@atomide.com>
DPLL1 reprogramming to a different rate is actually blocked inside
omap1_select_table_rate(), resulting in the defalut rate of 60 MHz
always used instead of the one selected in .config. OTOH, in
omap1_defconfig we currently rely on Kconfig options for the supported
MHz rates in case of boards which boot with dpll1 not set correctly by
their boot loaders.
This means that before we allow for reprogramming of dpll1 rate, we
should remove all unsafe clock selections from omap1_defconfig,
otherwise it will stop booting on boards with imperfect boot loaders,
as it would always try to change to 216MHz.
Keep only one safe clock rate per each supported xtal frequency, i.e.
60MHZ dpll1 for 12MHz xtal and 182MHz dpll1 for 13MHz xtal.
BTW, this change goes into the direction of removing all OMAP1 clock
rate options, planned for next merge window.
Signed-off-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Commit e9b7086b80 (ARM: OMAP: Fix
reprogramming of dpll1 rate) fixed a regression for systems that
did not rely on bootloader set rates.
However, it also introduced a new problem where the rates selected
in .config would not take affect as omap1_select_table_rate
currently refuses to reprogram DPLL1 if it's already initialized.
This was not a problem earlier, as the reprogramming was done
earlier with ck_dpll1_p->rate uninitialized.
Fix this by forcing the reprogramming on systems booting at rates
below 60MHz. Note that the long term fix is to make the rates
SoC specific later on.
Thanks for Janusz Krzysztofik <jkrzyszt@tis.icnet.pl> for figuring
this one out.
Reported-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Acked-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Currently write(2) to a file is not interruptible by any signal.
Sometimes this is desirable, e.g. when you want to quickly kill a
process hogging your disk. Also, with commit 499d05ecf9 ("mm: Make
task in balance_dirty_pages() killable"), it's necessary to abort the
current write accordingly to avoid it quickly dirtying lots more pages
at unthrottled rate.
This patch makes write interruptible by SIGKILL. We do not allow write
to be interruptible by any other signal because that has larger
potential of screwing some badly written applications.
Reported-by: Kazuya Mio <k-mio@sx.jp.nec.com>
Tested-by: Kazuya Mio <k-mio@sx.jp.nec.com>
Acked-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
