| Commit message (Collapse) | Author | Age |
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Undo the open coded and incorrect translation of the oem parameter sas
address to its libsas expected format.
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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Removed all callbacks in the deprecated.c. Core will call the appropriate
functions directly.
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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Renaming the callbacks to apparopriate event notify calls for the LLDD.
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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Remove abstraction for SG building and get rid of callbacks for getting
DMA memory mapping.
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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We can copy the data directly to and from sg for SATA PIO read operations.
There is no reason to involve the hardware SGL. In the process we also need
to kmap the sg because we don't know where that can come from.
We also do to not call phys_to_virt(). The driver already has the information.
We can just calculcate the appropriate offets.
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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These macros are not necessary. We can do 64bit math directly.
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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Sending aborts/resets to SAS/SATA targets in APC mode eventually causes
an assert in scic_sds_apc_agent_link_up(). We need to handle the hard reset
case for apc mode ports.
Signed-off-by: Piotr Sawicki <piotr.sawicki@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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Update the SCI Core to comprehend the changes in the TC completion
codes from A0 to B0. Specifically, there isnew R_ER code
differences for command and data FISes.
Changes are as follows:
1) 0x16 now additionally indicates an R_ERR received for a COMMAND
FIS being sent to a SATA target. 0x16 for SSP still indicates a
NAK received for a COMMAND frame. Fix is to retry TC to be compliant
with SATA spec or ensure proper error handling of return value
(not spec compliant I don't believe).
2) 0x1B was previously called DONE_BREAK_RCVD for STP and
DONE_LL_ABORT_ERR for SSP. Now it is universally called
DONE_LL_ABORT_ERR. This is purely a superficial change.
3) 0x32 is no longer a reserved code. Now it indicates
DONE_CMD_SDMA_ERR for STP/SSP. There was a fatal error on the
SDMA for a command IU (includes Raw frames). Consider retry,
but at a minimum gracefully fail the request.
4) 0x33 is no longer a reserved code. Now it indicates
DONE_CMD_LL_ABORT_ERR for SSP. There was a break receivd
during transmission of a command IU. Consider retry, but
at a minimum gracefully fail the request.
Signed-off-by: Tomasz Chudy <Tomasz.Chudy@intel.com>
Signed-off-by: Jacek Danecki <Jacek.Danecki@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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Use the dynamic revision detection code in
scic_sds_phy_link_layer_initialization() and apply some coding style
fixups (long deref chains). The compile time max link rate setting is
removed in favor of honoring the user-parameter max.
Reported-by: Krzysztof Wierzbicki <Krzysztof.Wierzbicki@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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Add support for the following parameters in SCIC:
/**
* This field specifies the NOTIFY (ENABLE SPIN UP) primitive
* insertion frequency for this phy index.
*/
u32 notify_enable_spin_up_insertion_frequency;
/**
* This method specifies the number of transmitted DWORDs within which
* to transmit a single ALIGN primitive. This value applies regardless
* of what type of device is attached or connection state. A value of
* 0 indicates that no ALIGN primitives will be inserted.
*/
u16 align_insertion_frequency;
/**
* This method specifies the number of transmitted DWORDs within which
* to transmit 2 ALIGN primitives. This applies for SAS connections
* only. A minimum value of 3 is required for this field.
*/
u16 in_connection_align_insertion_frequency;
Signed-off-by: Krzysztof Wierzbicki <Krzysztof.Wierzbicki@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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At init and RNC resume we need to touch every phy in a port to be sure
we have initialized STP properties in the case where port_index !=
phy_index. Also add some missing __iomem annotations.
Signed-off-by: Henryk Dembkowski <henryk.dembkowski@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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The default should be 5us. The hardware encodes it in 256ns increments,
so the value should be 20 to approximate a 5us timeout.
Signed-off-by: Tomasz Chudy <Tomasz.Chudy@intel.com>
Signed-off-by: Jacek Danecki <Jacek.Danecki@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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c99 the struct initializers:
1/ allows grep to consistently show method name associations. The
naming is mostly consistent (except when it isn't) so this guarantees
coverage of present and future exception cases.
2/ let's the compiler guarantee that the state table array entry
correlates with an actual state name and detect accidental reordering or
deletion of states.
/ allows default handler's to be identified easily
Signed-off-by: Jacek Danecki <Jacek.Danecki@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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Moved the firmware loading from per adapter to per PCI device. This should
prevent firmware from being loaded twice becuase of 2 SCU controller per
PCI device. We do have to do it per PCI device because request_firmware()
requires a struct device passed in.
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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The proc_name field in struct scsi_host_template is exported through sysfs and
allows userspace tools to identify the driver behind a particular SCSI host
controller.
Initialize this field so that userspace tools can easily identify isci host
controllers through sysfs.
Signed-off-by: Havard Skinnemoen <hskinnemoen@google.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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This removes scic_controller_get_handler_methods and its
associated unused code.
Signed-off-by: Edmund Nadolski <edmund.nadolski@intel.com>
[djbw: kill off the legacy handler, now that we have basic error isr support]
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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Some of the chain walks to get back to our dev are invalid.
isci_remote_device_change_state: delete rather than adding conditional deref
chain walking
isci_request_change_state: fix, it was being called too early
isci_request_ssp_io_request_get_lun: fix compile breakage hidden by ifdef DEBUG
Signed-off-by: Maciej Trela <maciej.trela@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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Inform libsas of the linkrate of direct attached links.
Reported-by: Haavard Skinnemoen <hskinnemoen@gmail.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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Add basic support for handling/reporting error interrupts.
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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Polling the event queue during scan is an unneeded holdover from the
original driver.
Signed-off-by: Edmund Nadolski <edmund.nadolski@intel.com>
[djbw: ensure we flush all port events and domain discovery]
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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The lldd actively disallows requests in the "starting" state. Retrying
or holding off commands in this state is sub-optimal:
1/ it adds another state check to the fast path
2/ retrying can cause libsas to give up
However, isci's ->lldd_dev_found() routine already waits for controller
start to complete before allowing further progress. Checking the
"starting" state in isci_task_execute_task and the isr is redundant and
misleading. Clean this up and introduce a controller-wide event queue
to start reeling in "completion" proliferation in the driver.
The "stopping" state cleanups are in a similar vein, rely on the the isr
and other paths being precluded from occurring rather than implementing
state checking logic.
Reported-by: Christoph Hellwig <hch@infradead.org>
Cc: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Edmund Nadolski <edmund.nadolski@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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The indirection is unecessary and broken in the current case that assigns the
handlers based on a not up-to-date pdev->msix_enabled value.
Route the handlers directly to the requisite core routines.
Todo: hook up error interrupt handling
Reported-by: Jeff Garzik <jeff@garzik.org>
Cc: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Edmund Nadolski <edmund.nadolski@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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This will be replaced by state machine tracepoints and should have been a part
of the logger removal.
Ran across scic_sds_port_decrement_request_count() which is an ugly macro
which silently hides accounting errors. Turn it into a WARN_ONCE to see if it
ever triggers.
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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Callbacks are already type unsafe, obfuscating things further by casting the
callback routine is less safe because now function argument number changes
will not be caught by the compiler.
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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Change names from upper to low letters
Signed-off-by: Henryk Dembkowski <henryk.dembkowski@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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Remove duplicated license and header file includes that were leftover
from commit 4c1db2d0 "isci: consolidate core" (in the isci.git historical
branch).
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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scic_sds_stp_remote_device_ready_substate_handler_table[]
scic_sds_smp_remote_device_ready_substate_handler_table[]
c99 the struct initializers:
1/ allows grep to consistently show method name associations. The
naming is mostly consistent (except when it isn't) so this guarantees
coverage of present and future exception cases.
2/ let's the compiler guarantee that the state table array entry
correlates with an actual state name and detect accidental reordering or
deletion of states.
3/ allows default handler's to be identified easily
Signed-off-by: Henryk Dembkowski <henryk.dembkowski@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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Change names from upper to low letters
Signed-off-by: Henryk Dembkowski <henryk.dembkowski@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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c99 the struct initializers (scic_sds_remote_device_state_handler_table[]):
1/ allows grep to consistently show method name associations. The
naming is mostly consistent (except when it isn't) so this guarantees
coverage of present and future exception cases.
2/ let's the compiler guarantee that the state table array entry
correlates with an actual state name and detect accidental reordering or
deletion of states.
3/ allows default handler's to be identified easily
Change names from upper to low letters
Cleanup empty lines
Signed-off-by: Henryk Dembkowski <henryk.dembkowski@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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We no longer use the loglevel parameter. Remove.
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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Signed-off-by: Edmund Nadolski <edmund.nadolski@intel.com>
[rebased after killing SCI_IO_REQUEST_DATA_DIRECTION]
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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It's an unnecessary typedef that mirrors the kernel's enum
dma_data_direction.
Also cleanup some long variable names along the way.
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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Replace SCI_INVALID_HANDLE with NULL
Signed-off-by: Edmund Nadolski <edmund.nadolski@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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Signed-off-by: Edmund Nadolski <edmund.nadolski@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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Support for the up to 2x4-port 6Gb/s SAS controllers embedded in the
chipset.
This is a snapshot of the first publicly available version of the driver,
commit 4c1db2d0 in the 'historical' branch.
git://git.kernel.org/pub/scm/linux/kernel/git/djbw/isci.git historical
Signed-off-by: Maciej Trela <maciej.trela@intel.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Edmund Nadolski <edmund.nadolski@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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This memcpy:
memcpy(cmd->sense_buffer, ei->SenseInfo,
ei->SenseLen > SCSI_SENSE_BUFFERSIZE ?
SCSI_SENSE_BUFFERSIZE :
ei->SenseLen);
The ei->SenseLen field is filled in by the Smart Array. For requests to
logical drives, it will not exceed 32 bytes, so should be ok, but for physical
requests it depends on the target device, not the Smart Array. It's conceivable
that this could exceed the 32 byte size of ei->SenseInfo. In that case, the memcpy
would read past the end of ei->SenseInfo, copying data from the next command,
as if it were sense data, or, if it happened to be the very last command in the
block of allocated commands, could fall off the end of the allocated area and
crash. I'm not aware of anyone ever encountering this behavior, but it could
conceivably happen. This bug was found by Coverity.
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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If a Virtual I/O server fails in a dual virtual I/O server multipath
configuration, ensure we delete all remote ports so that path failover
can occur. For a single path configuration, the remote ports will
go into devloss state.
Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/linux-2.6-arm-soc
* 'at91/fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/linux-2.6-arm-soc:
AT91: Change nand buswidth logic to match hardware default configuration
at91: Use "pclk" as con_id on at91cap9 and at91rm9200
at91: fix udc, ehci and mmc clock device name for cap9/9g45/9rl
atmel_serial: fix internal port num
at91: fix at91_set_serial_console: use platform device id
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The recently modified nand buswitth configuration is not aligned with
board reality: the double footprint on boards is always populated with 8bits
buswidth nand flashes.
So we have to consider that without particular configuration the 8bits
buswidth is selected by default.
Moreover, the previous logic was always using !board_have_nand_8bit(), we
change it to a simpler: board_have_nand_16bit().
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Tested-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Hello,
I am not 100% sure this is the right thing to do, but it makes the
atmel-ssc driver happy on my at91rm9200 board.
This unifies the con_id across all at91 machines.
The atmel-ssc driver expects the con_id to be "pclk" or it will fail probing.
Signed-off-by: Joachim Eastwood <joachim.eastwood@jotron.com>
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
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Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
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the atmel_ports is link to the console number and not the device id
this was not detected on at91 as we always register the dbgu on the console
as ttyS0
tested on at91sam9263 by setting the dbgu as ttyS1 and use as console
diff --git a/arch/arm/mach-at91/board-sam9263ek.c b/arch/arm/mach-at91/board-sam9263ek.c
index 70e5646..9b8a14f 100644
- a/arch/arm/mach-at91/board-sam9263ek.c
+ b/arch/arm/mach-at91/board-sam9263ek.c
@@ -58,14 +58,14 @@ static void __init ek_init_early(void)
/* Initialize processor: 16.367 MHz crystal */
at91_initialize(16367660);
- /* DBGU on ttyS0. (Rx & Tx only) */
- at91_register_uart(0, 0, 0);
+ /* DBGU on ttyS1. (Rx & Tx only) */
+ at91_register_uart(0, 1, 0);
- /* USART0 on ttyS1. (Rx, Tx, RTS, CTS) */
- at91_register_uart(AT91SAM9263_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS);
+ /* USART0 on ttyS0. (Rx, Tx, RTS, CTS) */
+ at91_register_uart(AT91SAM9263_ID_US0, 0, ATMEL_UART_CTS | ATMEL_UART_RTS);
- /* set serial console to ttyS0 (ie, DBGU) */
- at91_set_serial_console(0);
+ /* set serial console to ttyS1 (ie, DBGU) */
+ at91_set_serial_console(1);
}
/*
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: Alan Cox <alan@linux.intel.com>
Cc: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com>
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Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/lethal/fbdev-3.x
* 'fbdev-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/fbdev-3.x:
vesafb: fix memory leak
fbdev: amba: Link fb device to its parent
fsl-diu-fb: remove check for pixel clock ranges
udlfb: Correct sub-optimal resolution selection.
hecubafb: add module_put on error path in hecubafb_probe()
sm501fb: fix section mismatch warning
gx1fb: Fix section mismatch warnings
fbdev: sh_mobile_meram: Correct pointer check for YCbCr chroma plane
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When releasing framebuffer, free colourmap allocations.
Signed-off-by: Daniel J Blueman <daniel.blueman@gmail.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Some pieces of userspace like debian-installer expect to find the fb0
driver name by readlink-ing /sys/class/graphics/fb0/device/driver but
this was broken with amba-clcd as it sets up fb_info manually and missed
the .device parent pointer.
Signed-off-by: Loïc Minier <loic.minier@linaro.org>
Cc: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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The Freescale DIU framebuffer driver defines two constants, MIN_PIX_CLK and
MAX_PIX_CLK, that are supposed to represent the lower and upper limits of
the pixel clock. These values, however, are true only for one platform
clock rate (533MHz) and only for the MPC8610. So the actual range for
the pixel clock is chip-specific, which means the current values are almost
always wrong. The chance of an out-of-range pixel clock being used are also
remote.
Rather than try to detect an out-of-range clock in the DIU driver, we depend
on the board-specific pixel clock function (e.g. p1022ds_set_pixel_clock)
to clamp the pixel clock to a supported value.
Signed-off-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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The situation in which the problem occurred was with a Plugable UGA-2K-A
connected to a Samsung EX2220X display. The driver indicates that
1920x1080 is a valid mode (the first mode available, in fact), but
proceeds to set the framebuffer size to 1600x1200.
The patch corrects what seems to be a logic error, regarding unsetting
the FB_MISC_1ST_DETAIL flag, if the first (top/best) mode is invalid.
The existing code unset the flag if ANY mode was invalid.
Signed-off-by: William Katsak <william.katsak@alcatel-lucent.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-3.x into fbdev-fixes-for-linus
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