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2009-06-11imx: serial: notify higher layers in case xmit IRQ was not calledFabian Godehardt
upper layers, namely line discipline, need to be notified when transmission of more data is possible. For spurious cases, where IRQ handling does not supply notification for sure, it is given additionally here, when data has just been transmitted and space in the buffer will most probably be available. Signed-off-by: Fabian Godehardt <fg@emlix.com> Signed-off-by: Oskar Schirmer <os@emlix.com> Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-11imx: serial: fix one bit field typeDaniel Glöckner
"have_rtscts" is assigned 1, while it is declared int:1, two's complement, which can hold 0 and -1 only. The code works, as the upper bits are cut off, and tests are done against 0 only. Nonetheless, correctly declaring the bit field as unsigned int:1 renders the code more robust. Signed-off-by: Daniel Glöckner <dg@emlix.com> Signed-off-by: Oskar Schirmer <os@emlix.com> Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-11imx: serial: fix whitespaces (no changes in functionality)Oskar Schirmer
Signed-off-by: Oskar Schirmer <os@emlix.com> Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-11timbuart: Fix the termios logicAlan Cox
The driver only handles speeds but it fails to return the current values for the hardware features it does not support. Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-11serial: Added Timberdale UART driverRichard Röjfors
Driver for the UART found in the Timberdale FPGA Signed-off-by: Richard Röjfors <richard.rojfors.ext@mocean-labs.com> Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-11Blackfin Serial Driver: disable dma rx interrupt only rather than all irqsSonic Zhang
The UART RX handling code isn't exactly speeding, so don't go disabling all interrupts when processing the buffer. Just disable the relevant DMA interrupt. This greatly improves latency of the system when utilizing the UART. Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-11Blackfin Serial Driver: handle anomaly 05000231Sonic Zhang
05000231 - UART STB Bit Incorrectly Affects Receiver Setting For processors affected by this, we cannot safely allow CSTOPB to be set as the UART will then be unable to properly clock in bytes. Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-11Blackfin Serial Driver: annotate anomalies 05000215 and 05000099Sonic Zhang
Add some comments for how these anomalies are addressed: 05000215 - UART TX Interrupt Masked Erroneously We always clear ETBEI within last UART TX interrupt to end a string. It is always set when starting a new tx transfer. 05000099 - UART Line Status Register (UART_LSR) Bits Are Not Updated at the Same Time This anomaly affects driver only in POLL code where multi bits of UART_LSR are checked. It doesn't affect current bfin_5xx.c driver. Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-11Blackfin Serial Driver: handle irregular DMA register status in auto start modeSonic Zhang
This bug is caused by irregular behavior of DMA register CURR_X_COUNT and CURR_Y_COUNT when an auto restart uart rx DMA run to last byte in DMA buffer, trigger the interrupt and stay at this possiton. The status of current x and y is 0:7 instead of 512:8 or 0:8. The driver doesn't take care of this case when calculating the position. URL: http://blackfin.uclinux.org/gf/tracker/5063 Reported-by: Tomasz Motylewski <t.motylewski@bfad.de> Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-11Blackfin Serial Driver: fix missing new lines when under loadGraf Yang
Add a SSYNC() into bfin_serial_dma_tx_chars() to ensure DMA registers are written with new data otherwise we might miss a byte or two when the system is under load. PIO mode is OK though. Signed-off-by: Graf Yang <graf.yang@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Bryan Wu <cooloney@kernel.org> Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-11Blackfin Serial Driver: fix baudrate for early_printkRobin Getz
Since we already setup the early console UART in arch/blackfin/kernel/early_printk.c, and common functions which are enabled from the .setup will override the proper settings later, don't fill in these structures. Otherwise we get mangled baudrate settings when using early_printk. Signed-off-by: Robin Getz <rgetz@blackfin.uclinux.org> Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Bryan Wu <cooloney@kernel.org> Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-11Blackfin Serial Driver: fix error while transferring large filesSonic Zhang
Ignore receiving data if new position is in the same line of current buffer tail and is small. This should decrease overruns. Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Bryan Wu <cooloney@kernel.org> Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-11Blackfin SPORT UART: rewrite inline assemblyMike Frysinger
Hopefuly the new version is easier to read, but in the process it declares proper clobber lists and better constraints so that GCC can do a better job at allocating free registers. Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Bryan Wu <cooloney@kernel.org> Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-11Blackfin SPORT UART: fix data misses while using transmit frame syncMichael Hennerich
SPORT transmit frame sync (TFS) isn't used as an electrical signal during normal SPORT UART emulation. However, it is useful in EIA RS-485 emulation as RS-485 Transceiver Driver Enable DE strobe. This patch configures: TFS to be active high in order to drive an DE strobe of an eventually connected RS-485 Transceiver. Late frame sync mode (LATFS) gating the entire TX shift cycle. Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Bryan Wu <cooloney@kernel.org> Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-11Blackfin SPORT UART: fix typo in sport_set_termios prototypeMike Frysinger
Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Bryan Wu <cooloney@kernel.org> Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-11serial: add support for the TI AR7 internal UARTFlorian Fainelli
This patch adds support for the TI AR7 internal UART. Signed-off-by: Florian Fainelli <florian@openwrt.org> Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-11icom: fix compile errors when defining ICOM_TRACEBreno Leitao
As it is, defining ICOM_TRACE produces some compile errors, as "parameter name omitted" and "redefinition of ‘trace’" This patch removes the wrong trace definition. Signed-off-by: Breno Leitao <leitao@linux.vnet.ibm.com> Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-11icom: fixing a if clause spaghettiBreno Leitao
adapter->version can only be ADAPTER_V2 or ADAPTER_V1. So, that OR operand in the "if" clause is non-sense and can be removed. Signed-off-by: Breno Leitao <leitao@linux.vnet.ibm.com> Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-11jsm: correctly support multiple 4/8-port boardsAlexander Y. Fomichev
If there are more then one 4/8-port board jsm_uart_port_init allocate a line numbers of the second and further boards from range of previous one. This patch fixed the problem. Signed-off-by: Alexander Y. Fomichev <git.user@gmail.com> [printks fixed to add jsm: ] Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-118250_pci: add the OXCB950 chip to the 8250 PCI driver.Andre Przywara
This adds support for the following serial controller chip: Oxford Semiconductor OXCB950 for PCI Cardbus interface http://www.transdimension.com/products/serial/OXCB950.html on this card: ExSys EX-1370 1 port high-speed serial card for ExpressCard/34 slot Signed-off-by: Andre Przywara <andre.przywara@amd.com> Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-11[ARM] 5544/1: Trust PrimeCell resource sizesLinus Walleij
I found the PrimeCell/AMBA Bus drivers distrusting the resource passed in as part of the struct amba_device abstraction. This patch removes all hard coded resource sizes found in the PrimeCell drivers and move the responsibility of this definition back to the platform/board device definition, which already exist and appear to be correct for all in-tree users of these drivers. We do this using the resource_size() inline function which was also replicated in the only driver using the resource size, so that has been changed too. The KMI_SIZE was left in kmi.h in case someone likes it. Test-compiled against Versatile and Integrator defconfigs, seems to work but I don't posess these boards and cannot test them. Signed-off-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2009-06-11Merge branch 'master' of ↵Paul Mundt
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
2009-06-08Merge branch 'for-rmk' of git://git.marvell.com/orion into develRussell King
2009-06-08Merge branch 'mxc-master' of git://git.pengutronix.de/git/imx/linux-2.6 into ↵Russell King
devel
2009-06-04[ARM] 5541/1: serial/amba-pl011.c: add support for the modified port found ↵Alessandro Rubini
in Nomadik The Nomadik 8815 SoC has a slightly modified version of the PL011 block. The patch uses the different ID value as a key to select a vendor structure that is used to keep track of the differences, as suggested by Russell King. Signed-off-by: Alessandro Rubini <rubini@unipv.it> Acked-by: Andrea Gallo <andrea.gallo@stericsson.com> Acked-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2009-06-03fix oops when using console=ttymxcN with N > 0Eric Lammerts
Signed-off-by: Eric Lammerts <eric@lammerts.org> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2009-06-02serial: sh-sci: Fix up PORT_SCI console output ordering.SUGIOKA Toshinobu
Fix SCI transmission sequence in console output function. This reorders the write sequence to match the SH-3 manual, and corrects a console corruption bug observed on SH-3 SCI. Signed-off-by: Toshinobu Sugioka <sugioka@itonet.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2009-05-31[ARM] 5505/1: serial amba-pl011: move to arch_initcall for earlier consoleAlessandro Rubini
Signed-off-by: Alessandro Rubini <rubini@unipv.it>" Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2009-05-298250: Fix oops from setserialAlan Cox
If you setserial a port which has never been initialised we change the type but don't update the I/O method pointers. The same problem is true if you change the io type of a port - but nobody ever does that so nobody noticed! Remember the old type and when attaching if the type has changed reload the port accessor pointers. We can't do it blindly as some 8250 drivers load custom accessors and we must not stomp those. Tested-by: Victor Seryodkin <vvscore@gmail.com> Closes-bug: #13367 Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-05-29serial: 8250_gsc: fix printk format errorAlexander Beregalov
drivers/serial/8250_gsc.c:44: warning: format '%lx' expects type 'long unsigned int', but argument 2 has type 'resource_size_t' [akpm@linux-foundation.org: fix it to handle u64's] Signed-off-by: Alexander Beregalov <a.beregalov@gmail.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Cc: Kyle McMartin <kyle@mcmartin.ca> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-05-29drivers/serial/mpc52xx_uart.c: fix array overindexing checkRoel Kluin
The check for an overindexing of mpc52xx_uart_{ports,nodes} has an off-by-one. Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Acked-by: Wolfram Sang <w.sang@pengutronix.de> Acked-by: Grant Likely <grant.likely@secretlab.ca> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-05-29Merge branch 'for-next' of ↵Russell King
git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-davinci into devel
2009-05-26Merge branch 'sh/clkfwk'Paul Mundt
2009-05-23Merge branch 'ixp4xx' of ↵Russell King
git://git.kernel.org/pub/scm/linux/kernel/git/chris/linux-2.6 into devel
2009-05-22icom: fix rmmod crashBreno Leitao
Actually the icom driver is crashing when is being removed because the driver is kfreeing the adapter structure before calling pci_release_regions(), which result in the following error: Unable to handle kernel paging request for data at address 0x6b6b6b6b6b6b6d33 Faulting instruction address: 0xc000000000246b80 Oops: Kernel access of bad area, sig: 11 [#1] .... [c000000012d436a0] [c0000000001002d0] .kfree+0x120/0x34c (unreliable) [c000000012d43730] [c000000000246d60] .pci_release_selected_regions+0x3c/0x68 [c000000012d437c0] [d000000002d54700] .icom_kref_release+0xf4/0x118 [icom] [c000000012d43850] [c000000000232e50] .kref_put+0x74/0x94 [c000000012d438d0] [d000000002d56c58] .icom_remove+0x40/0xa4 [icom] [c000000012d43960] [c000000000249e48] .pci_device_remove+0x50/0x90 [c000000012d439e0] [c0000000002d68d8] .__device_release_driver+0x94/0xd4 [c000000012d43a70] [c0000000002d7104] .driver_detach+0xf8/0x12c [c000000012d43b00] [c0000000002d549c] .bus_remove_driver+0xbc/0x11c [c000000012d43b90] [c0000000002d71dc] .driver_unregister+0x60/0x80 [c000000012d43c20] [c00000000024a07c] .pci_unregister_driver+0x44/0xe8 [c000000012d43cb0] [d000000002d56bf4] .icom_exit+0x1c/0x40 [icom] [c000000012d43d30] [c000000000095fa8] .SyS_delete_module+0x214/0x2a8 [c000000012d43e30] [c00000000000852c] syscall_exit+0x0/0x40 Signed-off-by: Breno Leitao <leitao@linux.vnet.ibm.com> Cc: stable@kernel.org Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-05-22Merge branches 'sh/stable-updates' and 'sh/sparseirq'Paul Mundt
2009-05-20[ARM] 5519/1: amba probe: pass "struct amba_id *" instead of void *Alessandro Rubini
The second argument of the probe method points to the amba_id structure, so it's better passed with the correct type. None of the current in-tree drivers uses the pointer, so they have only been checked for a clean compile. Change suggested by Russell King. Signed-off-by: Alessandro Rubini <rubini@unipv.it> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2009-05-20fix oops when using console=ttymxcN with N > 0Eric Lammerts
Signed-off-by: Eric Lammerts <eric@lammerts.org> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2009-05-18Merge branch 'master' of ↵David S. Miller
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: drivers/scsi/fcoe/fcoe.c
2009-05-15Merge branch 'merge' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc * 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: powerpc: Fix PCI ROM access powerpc/pseries: Really fix the oprofile CPU type on pseries serial/nwpserial: Fix wrong register read address and add interrupt acknowledge. powerpc/cell: Make ptcal more reliable powerpc: Allow mem=x cmdline to work with 4G+ powerpc/mpic: Fix incorrect allocation of interrupt rev-map powerpc: Fix oprofile sampling of marked events on POWER7 powerpc/iseries: Fix pci breakage due to bad dma_data initialization powerpc: Fix mktree build error on Mac OS X host powerpc/virtex: Fix duplicate level irq events. powerpc/virtex: Add uImage to the default images list powerpc/boot: add simpleImage.* to clean-files list powerpc/8xx: Update defconfigs powerpc/embedded6xx: Update defconfigs powerpc/86xx: Update defconfigs powerpc/85xx: Update defconfigs powerpc/83xx: Update defconfigs powerpc/fsl_soc: Remove mpc83xx_wdt_init, again
2009-05-15serial/nwpserial: Fix wrong register read address and add interrupt acknowledge.Benjamin Krill
The receive interrupt routine checks the wrong register if the receive fifo is empty. Further an explicit interrupt acknowledge write is introduced. In some circumstances another interrupt was issued. Signed-off-by: Benjamin Krill <ben@codiert.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2009-05-13sh: clkfwk: module_clk -> peripheral_clk rename.Paul Mundt
For consistenct naming, and to allow us to fix up some confusion in the SH-Mobile clock framework, amongst other places. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2009-05-09sh: Fix up the sh64 earlyprintk build.Paul Mundt
sci_rxd_in() on SH-5 wants to be using SCSPTR, not SCSPTR2. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2009-05-08serial: sh-sci: Fix up h8300 support.Yoshinori Sato
- Dummy SCIF functions define. - h8300 specific header include. Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2009-05-08serial: sh-sci: Fix up section mismatch in error path.Paul Mundt
The sci_probe_single() path attempts to use sci_remove() for the error path, while sci_remove() is still flagged as __devexit. So, we simply discard the section annotation. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2009-05-08sh-sci: improve clock framework supportMagnus Damm
Use enable/disable hooks for clock framework integration. Make sure we control the clock for the serial console as well. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2009-05-08sh-sci: ioremap() in a single placeMagnus Damm
Handle ioremap() in sci_config_port only. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2009-05-08sh-sci: replace sci_init_ports()Magnus Damm
Replace sci_init_ports() with sci_init_single(). Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2009-05-08sh-sci: allow single port platform devicesMagnus Damm
Allow registration of single port sh-sci platform devices. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2009-05-08sh-sci: use to_sci_port() if possibleMagnus Damm
Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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