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2016-09-22staging: greybus: uart.c: fix alignment to match open parenthesisChaehyun Lim
Fixes checkpatch.pl warning: CHECK: Alignment should match open parenthesis Signed-off-by: Chaehyun Lim <chaehyun.lim@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-22staging: greybus: uart.c: change 'unsigned' to 'unsigned int'Chaehyun Lim
Fixes checkpatch.pl warning: WARNING: Prefer 'unsigned int' to bare use of 'unsigned' Signed-off-by: Chaehyun Lim <chaehyun.lim@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-22staging: greybus: audio_codec.c: code indent should use tabs where possibleRichard Groux
Minor error spotted by checkpatch.pl in greybus code indent should use tabs where possible Signed-off-by: Richard Groux <rgroux@sauron-mordor.net> Reviewed-by: Alex Elder <elder@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-22staging: greybus: audio_codec.c: space required before the open braceRichard Groux
Minor error spotted by checkpatch.pl in greybus space required before the open brace '{' Signed-off-by: Richard Groux <rgroux@sauron-mordor.net> Reviewed-by: Alex Elder <elder@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-22staging: greybus: arche-platform: compress return logic into one lineEva Rachel Retuya
Modify return statement to use the value being returned directly instead of assigning it first to 'ret' and returning this variable. Coccinelle semantic patch used: @@ expression e; local idexpression ret; @@ -ret = +return e; -return ret; Signed-off-by: Eva Rachel Retuya <eraretuya@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-22staging: greybus: audio: delete unnecessary parenthesesEva Rachel Retuya
Eliminate unneeded parentheses around the right hand side of an assignment. Coccinelle semantic patch used: @@ expression e1, e2; identifier v; @@ ( v = (e1 == e2) | v = (e1 != e2) | v = (e1 <= e2) | v = (e1 >= e2) | v = - ( e1 - ) ) Signed-off-by: Eva Rachel Retuya <eraretuya@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-22staging: greybus: camera: simplify NULL testEva Rachel Retuya
Replace direct comparisons to NULL i.e. 'x == NULL' with '!x' for consistency. Coccinelle semantic patch used: @@ identifier func; expression x; statement Z; @@ x = func(...); if ( ( + ! x - == NULL | + ! - NULL == x ) ) Z Signed-off-by: Eva Rachel Retuya <eraretuya@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-22staging: most: replace MOST_CH_ISOC_AVP with MOST_CH_ISOCAndrey Shvetsov
This patch replaces the enum value MOST_CH_ISOC_AVP with the more appropriate MOST_CH_ISOC. Signed-off-by: Andrey Shvetsov <andrey.shvetsov@k2l.de> Signed-off-by: Christian Gromm <christian.gromm@microchip.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-22staging: most: clean up configuration stringsChristian Gromm
This patch adds the strings 'rx', 'tx' and 'isoc' to the list of accepted identifiers when setting up a channel configuration. To keep consistency it removes the prefix "dir_" from strings returned by the attributes set_direction and available_directions and it removes the suffix "_avp" from the string "isoc_avp" returned by the attributes set_datatype and available_datatypes. Signed-off-by: Christian Gromm <christian.gromm@microchip.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-22staging: most: core: remove trailing zero from text propertyAndrey Shvetsov
This patch removes trailing zeros from the strings returned by the attributes available_datatypes and available_directions. Signed-off-by: Andrey Shvetsov <andrey.shvetsov@k2l.de> Signed-off-by: Christian Gromm <christian.gromm@microchip.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-22staging: most: make function most_submit_mbo return voidChristian Gromm
Function most_submit_mbo() causes an exception only if either the pointer mbo or mbo->context equals NULL. From the underlying architecture's point of view both cases must _not_ come true and would happen only, if something has tampered with the pointers. This would render runtime code unable to recover anyway. So, instead trying to hide that things are already critically out of control we're better off with a WARN_ON() assertion. This patch replaces the return type of the function most_submit_mbo() with 'void' and adds a WARN_ONCE() assertion. Additionally, code calling the function is adapted accordingly. Signed-off-by: Christian Gromm <christian.gromm@microchip.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-22staging: wlan-ng: fixed block comment formattingJuliana Rodrigues
This patch fixes a checkpatch warning in a block comment by adapting it to the community preferred coding style. Signed-off-by: Juliana Rodrigues <juliana.orod@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-22staging: wlan-ng: fixed alignment not matchingJuliana Rodrigues
This patch fixes a checkpatch warning by moving arguments to the right and aligning them to their open parenthesis. Signed-off-by: Juliana Rodrigues <juliana.orod@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-22staging: wlan-ng: fixed parenthesis alignmentJuliana Rodrigues
This patch fixes a checkpatch warning by moving arguments to the right and aligning them to the open parenthesis above. Signed-off-by: Juliana Rodrigues <juliana.orod@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-22staging: wlan-ng: fixed block comment trailingJuliana Rodrigues
Moved trailing */ to a new line and added * to subsequent lines on a block comment. Signed-off-by: Juliana Rodrigues <juliana.orod@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-22serial: xuartps: Do not enable parity error interruptAnirudha Sarangi
The patch makes changes not to enable parity error interrupt. With the current implementation, each parity error results in two distinct interrupts (almost always). The first one is normal parity error interrupt with no data in the fifo and the second one is a proper Rx interrupt with the received data in the fifo. By disabling parity error interrupt we still ensure handling of parity errors as for the Rx fifo interrupt the parity error still shows up in the interrupt status register. Considering the fact that the by default INPCK and IGNPAR are not set, this is the optimal implementation for parity error handling. Signed-off-by: Anirudha Sarangi <anirudh@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com> [stelford@cadence.com: cherry picked from https://github.com/Xilinx/linux-xlnx commit bf9f610b445e2c9ed33c41e1e0e30b43be4e1f97 with manual conflict resolution] Signed-off-by: Scott Telford <stelford@cadence.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-22serial: stm32: fix uart enable managementAlexandre TORGUE
Signed-off-by: Gerald Baeza <gerald.baeza@st.com> Signed-off-by: Alexandre TORGUE <alexandre.torgue@st.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-22serial: stm32: fix spin_lock managementAlexandre TORGUE
Signed-off-by: Gerald Baeza <gerald.baeza@st.com> Signed-off-by: Alexandre TORGUE <alexandre.torgue@st.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-22serial: stm32: adding dma supportAlexandre TORGUE
This patch adds dma mode support for rx and tx with pio mode as fallback in case of dma error. Signed-off-by: Gerald Baeza <gerald.baeza@st.com> Signed-off-by: Alexandre TORGUE <alexandre.torgue@st.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-22dt-bindings: Add DMA bindings for STM32 USARTAlexandre TORGUE
Signed-off-by: Gerald Baeza <gerald.baeza@st.com> Signed-off-by: Alexandre TORGUE <alexandre.torgue@st.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-22serial: stm32: clock disabling managementAlexandre TORGUE
Keep the clock enabled at the end of stm32_init_port but disable it in stm32_serial_remove. Note that stm32_pm function is there to manage the clock at runtime. Signed-off-by: Gerald Baeza <gerald.baeza@st.com> Signed-off-by: Alexandre TORGUE <alexandre.torgue@st.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-22serial: stm32: correct flow control property spellingAlexandre TORGUE
"st,hw-flow-ctrl" property is documented in device tree binding whereas "auto-flow-control" was used in the code. The driver is now aligned with the binding name "st,hw-flow-ctrl". Signed-off-by: Gerald Baeza <gerald.baeza@st.com> Signed-off-by: Alexandre TORGUE <alexandre.torgue@st.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-22serial: stm32: disable tx and rx during shutdownAlexandre TORGUE
Signed-off-by: Gerald Baeza <gerald.baeza@st.com> Signed-off-by: Alexandre TORGUE <alexandre.torgue@st.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-22serial: stm32: header file creationAlexandre TORGUE
Signed-off-by: Gerald Baeza <gerald.baeza@st.com> Signed-off-by: Alexandre TORGUE <alexandre.torgue@st.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-22DOCUMENTATION: dt-bindings: Document the STM32 USART bindingsAlexandre TORGUE
This adds documentation of device tree bindings for the STM32 USART Signed-off-by: Maxime Coquelin <mcoquelin.stm32@gmail.com> Signed-off-by: Alexandre TORGUE <alexandre.torgue@st.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-22serial: stm32: adding support for stm32f7Alexandre TORGUE
Register offset management rework to support both stm32f4 (default) and stm32f7. Driver rework to ensure same functional level on both stm32f4 and stm32f7: no new feature in this version yet. Signed-off-by: Gerald Baeza <gerald.baeza@st.com> Signed-off-by: Alexandre TORGUE <alexandre.torgue@st.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-22tty: serial: xuartps: Wait for rx and tx reset done statusNava kishore Manne
After issuing the reset, driver is not checking the rx and tx reset done status. So, modified driver to wait for the reset done status. Signed-off-by: Nava kishore Manne <navam@xilinx.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-22serial: xuartps: Adds RXBS register support for zynqmpNava kishore Manne
This patch adds RXBS register access support for zynqmp. To avoid the corner error conditions it will consider only RXBS[2:0] bits while checking the error conditions (Parity,Framing and BRAK). Signed-off-by: Nava kishore Manne <navam@xilinx.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-22tty/serial/8250: Touch NMI watchdog in wait_for_xmitrJiri Olsa
First loop in wait_for_xmitr could also trigger NMI watchdog in case reading from the port is slow: PID: 0 TASK: ffffffff819c1460 CPU: 0 COMMAND: "swapper/0" #0 [ffff88019f405e58] crash_nmi_callback at ffffffff8104d382 #1 [ffff88019f405e68] nmi_handle at ffffffff8168ead9 #2 [ffff88019f405eb0] do_nmi at ffffffff8168ec53 #3 [ffff88019f405ef0] end_repeat_nmi at ffffffff8168df13 [exception RIP: delay_tsc+50] RIP: ffffffff81325642 RSP: ffff88019f403bb0 RFLAGS: 00000083 RAX: 00000000000005c8 RBX: ffffffff81f83000 RCX: 0000024e4fb88a8b RDX: 0000024e4fb89053 RSI: 0000000000000000 RDI: 00000000000007d1 RBP: ffff88019f403bb0 R8: 000000000000000a R9: 0000000000000000 R10: 0000000000000000 R11: ffff88019f403ad6 R12: 000000000000250f R13: 0000000000000020 R14: ffffffff81d360c7 R15: 0000000000000047 ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018 --- <NMI exception stack> --- #4 [ffff88019f403bb0] delay_tsc at ffffffff81325642 #5 [ffff88019f403bb8] __const_udelay at ffffffff813255a8 #6 [ffff88019f403bc8] wait_for_xmitr at ffffffff81404390 #7 [ffff88019f403bf0] serial8250_console_putchar at ffffffff8140455c #8 [ffff88019f403c10] uart_console_write at ffffffff813ff00a #9 [ffff88019f403c40] serial8250_console_write at ffffffff814044ae #10 [ffff88019f403c88] call_console_drivers.constprop.15 at ffffffff81086b01 #11 [ffff88019f403cb0] console_unlock at ffffffff8108842f #12 [ffff88019f403ce8] vprintk_emit at ffffffff81088834 #13 [ffff88019f403d58] vprintk_default at ffffffff81088ba9 #14 [ffff88019f403d68] printk at ffffffff8167f034 Adding touch_nmi_watchdog call to the first loop as well. Reported-by: Chunyu Hu <chuhu@redhat.com> Signed-off-by: Jiri Olsa <jolsa@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-22serial: 8250_pci: Use symbolic constants for EXAR's MPIO registersJan Kiszka
Less magic that only requires comments. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-22tty: amba-pl011: uart_amba_port is not available with earlycon functionShawn Guo
Commit 0e125a5facf8 ("tty: amba-pl011: define flag register bits for ZTE device") changes earlycon function pl011_putc() to use a pointer to uart_amba_port. This causes a regression when earlycon is enabled, because uart_amba_port is not available yet at earlycon time. Let's revert the change on pl011_putc() to fix the regression. The earlycon support for ZTE device can probably be added later by declaring a new earlycon setup function with a vendor specific compatible. Reported-by: Sudeep Holla <sudeep.holla@arm.com> Fixes: 0e125a5facf8 ("tty: amba-pl011: define flag register bits for ZTE device") Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Tested-by: Sudeep Holla <sudeep.holla@arm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-22serial: mxs-auart: Fix missing clk_disable_unprepare() on error in ↵Wei Yongjun
mxs_get_clks() Commit 5d7519dfc963 ("serial: mxs-auart: Disable clock on error path") try to disable clock on error path, but still missing the clk_set_rate() error handling path. Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-22crypto: rsa-pkcs1pad - Handle leading zero for decryptionHerbert Xu
As the software RSA implementation now produces fixed-length output, we need to eliminate leading zeros in the calling code instead. This patch does just that for pkcs1pad decryption while signature verification was fixed in an earlier patch. Fixes: 9b45b7bba3d2 ("crypto: rsa - Generate fixed-length output") Reported-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2016-09-22KEYS: Fix skcipher IV clobberingHerbert Xu
The IV must not be modified by the skcipher operation so we need to duplicate it. Fixes: c3917fd9dfbc ("KEYS: Use skcipher") Cc: stable@vger.kernel.org Reported-by: Mimi Zohar <zohar@linux.vnet.ibm.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2016-09-22vt: Emulate \e[100-107m (bright background colors).Adam Borowski
For now, these fall back to regular (dark) colors. It'd be tempting to replace blink with bright backgrounds, as permitted by CGA/VGA -- we already muck with the other programmable bit (foreground brightness vs 512 character font). This would bring vgacon in line with fbcon, which doesn't support blink anywhere but on some drivers renders that bit as bright background. If that is done, this commit should be amended to be one of ways of setting that bit. Signed-off-by: Adam Borowski <kilobyte@angband.pl> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-22vt: Support \e[90-97m (bright foreground colors).Adam Borowski
These codes are supported by all major terminals, thus they occasionally see some use despite being redundant with \e[38;5;(x+8)m or (less exactly) \e[1;3(x)m. Signed-off-by: Adam Borowski <kilobyte@angband.pl> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-22vt: Drop a no longer true comment.Adam Borowski
Some guy went on a patching spree, adding 24-bit colour support all around: https://gist.github.com/XVilka/8346728 Signed-off-by: Adam Borowski <kilobyte@angband.pl> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-22vt: Make a comparison <= for readability.Adam Borowski
All other uses of vc_npar are inclusive (save for < NPAR) which raises eyebrows, so let's at least do so consistently. Signed-off-by: Adam Borowski <kilobyte@angband.pl> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-22vt: Fix a read-past-array in vc_t416_color().Adam Borowski
This makes it show up on UBSAN: perl -e 'for (0..15) {my @x=("0")x$_;push @x,qw(38 2 64 128 192 4);printf "\e[%smAfter %d zeroes.\e[0m\n", join(";",@x[0..($_+5<15?$_+5:15)]), $_}' Seems harmless: if you can programmatically read attributes of a vt character (/dev/vcsa*), multiple probes can obtain parts of vt_mode then lowest byte (5th on 64-bit big-endian) of a pointer. Signed-off-by: Adam Borowski <kilobyte@angband.pl> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-22arm64: Correctly bounds check virt_addr_validLaura Abbott
virt_addr_valid is supposed to return true if and only if virt_to_page returns a valid page structure. The current macro does math on whatever address is given and passes that to pfn_valid to verify. vmalloc and module addresses can happen to generate a pfn that 'happens' to be valid. Fix this by only performing the pfn_valid check on addresses that have the potential to be valid. Acked-by: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Laura Abbott <labbott@redhat.com> Signed-off-by: Will Deacon <will.deacon@arm.com>
2016-09-22x86/platform/uv/BAU: Add UV4-specific functionsAndrew Banman
Add the UV4-specific function definitions and define an operations struct to implement them in the BAU driver. Many BAU MMRs, although functionally the same, have new addresses on UV4 due to hardware changes. Each MMR requires new read/write functions, but their implementation in the driver does not change. Thus, it is enough to enumerate them in the operations struct for the changes to take effect. Signed-off-by: Andrew Banman <abanman@sgi.com> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Mike Travis <travis@sgi.com> Acked-by: Dimitri Sivanich <sivanich@sgi.com> Acked-by: Thomas Gleixner <tglx@linutronix.de> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: akpm@linux-foundation.org Cc: rja@sgi.com Link: http://lkml.kernel.org/r/1474474161-265604-11-git-send-email-abanman@sgi.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
2016-09-22x86/platform/uv/BAU: Fix payload queue setup on UV4 hardwareAndrew Banman
The BAU on UV4 does not need to maintain the payload queue tail pointer. Do not initialize the tail pointer MMR on UV4. Note that write_payload_tail is not an abstracted BAU function since it is an operation specific to pre-UV4 versions. Then we must switch on the UV version to control its usage, for which we use uvhub_version rather than is_uv*_hub because it is quicker/more concise. Signed-off-by: Andrew Banman <abanman@sgi.com> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Mike Travis <travis@sgi.com> Acked-by: Dimitri Sivanich <sivanich@sgi.com> Acked-by: Thomas Gleixner <tglx@linutronix.de> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: akpm@linux-foundation.org Cc: rja@sgi.com Link: http://lkml.kernel.org/r/1474474161-265604-10-git-send-email-abanman@sgi.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
2016-09-22x86/platform/uv/BAU: Disable software timeout on UV4 hardwareAndrew Banman
Software timeouts are not currently supported on BAU for UV4. Instead, the BAU will rely on hardware-level fairness protocols to determine broadcast timeouts. Do not call enable_timeouts or calculate_destination_timeout on UV4. These functions write to pre-UV4 MMRs so they generate error messages on UV4. Signed-off-by: Andrew Banman <abanman@sgi.com> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Mike Travis <travis@sgi.com> Acked-by: Dimitri Sivanich <sivanich@sgi.com> Acked-by: Thomas Gleixner <tglx@linutronix.de> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: akpm@linux-foundation.org Cc: rja@sgi.com Link: http://lkml.kernel.org/r/1474474161-265604-9-git-send-email-abanman@sgi.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
2016-09-22x86/platform/uv/BAU: Populate ->uvhub_version with UV4 version informationAndrew Banman
Signed-off-by: Andrew Banman <abanman@sgi.com> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Mike Travis <travis@sgi.com> Acked-by: Dimitri Sivanich <sivanich@sgi.com> Acked-by: Thomas Gleixner <tglx@linutronix.de> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: akpm@linux-foundation.org Cc: rja@sgi.com Link: http://lkml.kernel.org/r/1474474161-265604-8-git-send-email-abanman@sgi.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
2016-09-22x86/platform/uv/BAU: Use generic function pointersAndrew Banman
Convert the use of UV version-specific functions to their abstracted counterparts. Signed-off-by: Andrew Banman <abanman@sgi.com> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Mike Travis <travis@sgi.com> Acked-by: Dimitri Sivanich <sivanich@sgi.com> Acked-by: Thomas Gleixner <tglx@linutronix.de> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: akpm@linux-foundation.org Cc: rja@sgi.com Link: http://lkml.kernel.org/r/1474474161-265604-7-git-send-email-abanman@sgi.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
2016-09-22x86/platform/uv/BAU: Add generic function pointersAndrew Banman
Many BAU functions have different implementations depending on the UV version. Rather than switching on the uvhub_version throughout the driver, we can define a set of operations for each version. This is especially beneficial for UV4, which will require many new MMR read/write functions. Currently, the set of abstracted functions are the same for UV1, UV2, and UV3. The functions were chosen because each one will have a different implementation for UV4. Other functions will be added as needed to handle new implementations or to cleanup the existing differences between UV1, UV2, and UV3, i.e. read_status and wait_completion. Signed-off-by: Andrew Banman <abanman@sgi.com> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Mike Travis <travis@sgi.com> Acked-by: Dimitri Sivanich <sivanich@sgi.com> Acked-by: Thomas Gleixner <tglx@linutronix.de> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: akpm@linux-foundation.org Cc: rja@sgi.com Link: http://lkml.kernel.org/r/1474474161-265604-6-git-send-email-abanman@sgi.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
2016-09-22x86/platform/uv/BAU: Convert uv_physnodeaddr() use to uv_gpa_to_offset()Andrew Banman
The BAU driver should use the functions provided by uv_hub.h rather than its own implementations. uv_physnodeaddr converts vaddrs to paddrs for BAU MMR fields, but this is done better by uv_gpa_to_offset. Signed-off-by: Andrew Banman <abanman@sgi.com> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Mike Travis <travis@sgi.com> Acked-by: Dimitri Sivanich <sivanich@sgi.com> Acked-by: Thomas Gleixner <tglx@linutronix.de> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: akpm@linux-foundation.org Cc: rja@sgi.com Link: http://lkml.kernel.org/r/1474474161-265604-5-git-send-email-abanman@sgi.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
2016-09-22x86/platform/uv/BAU: Clean up pq_init()Andrew Banman
The payload queue first MMR requires the physical memory address and hub GNODE of where the payload queue resides in memory, but the associated variables are named as if the PNODE were used. Rename gnode-related variables and clarify the definitions of the payload queue head, last, and tail pointers. Signed-off-by: Andrew Banman <abanman@sgi.com> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Mike Travis <travis@sgi.com> Acked-by: Dimitri Sivanich <sivanich@sgi.com> Acked-by: Thomas Gleixner <tglx@linutronix.de> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: akpm@linux-foundation.org Cc: rja@sgi.com Link: http://lkml.kernel.org/r/1474474161-265604-4-git-send-email-abanman@sgi.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
2016-09-22x86/platform/uv/BAU: Clean up and update printksAndrew Banman
Replace all uses of printk with the appropriate pr_*() function. Signed-off-by: Andrew Banman <abanman@sgi.com> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Mike Travis <travis@sgi.com> Acked-by: Dimitri Sivanich <sivanich@sgi.com> Acked-by: Thomas Gleixner <tglx@linutronix.de> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: akpm@linux-foundation.org Cc: rja@sgi.com Link: http://lkml.kernel.org/r/1474474161-265604-3-git-send-email-abanman@sgi.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
2016-09-22x86/platform/uv/BAU: Clean up vertical alignmentAndrew Banman
Fix whitespace on blocks of code to be vertically aligned. Signed-off-by: Andrew Banman <abanman@sgi.com> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Mike Travis <travis@sgi.com> Acked-by: Dimitri Sivanich <sivanich@sgi.com> Acked-by: Thomas Gleixner <tglx@linutronix.de> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: akpm@linux-foundation.org Cc: rja@sgi.com Link: http://lkml.kernel.org/r/1474474161-265604-2-git-send-email-abanman@sgi.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
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