This project is mirrored from https://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-stable-rt.git. Pull mirroring updated .
  1. 18 Oct, 2011 1 commit
  2. 29 Sep, 2011 1 commit
  3. 26 Sep, 2011 5 commits
  4. 22 Sep, 2011 12 commits
    • Yong Zhang's avatar
      TTY: irq: Remove IRQF_DISABLED · 9cfb5c05
      Yong Zhang authored
      Since commit [e58aa3d2: genirq: Run irq handlers with interrupts disabled],
      We run all interrupt handlers with interrupts disabled
      and we even check and yell when an interrupt handler
      returns with interrupts enabled (see commit [b738a50a
      
      :
      genirq: Warn when handler enables interrupts]).
      
      So now this flag is a NOOP and can be removed.
      
      Signed-off-by: default avatarYong Zhang <yong.zhang0@gmail.com>
      Acked-by: default avatarTobias Klauser <tklauser@distanz.ch>
      Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
      9cfb5c05
    • Ning Jiang's avatar
      serial-core: power up uart port early before we do set_termios when resuming · 94abc56f
      Ning Jiang authored
      The following patch removed uart_change_pm() in uart_resume_port():
      
      commit 5933a161
      
      
      Author: Yin Kangkai <kangkai.yin@linux.intel.com>
          serial-core: reset the console speed on resume
      
      It will break the pxa serial driver when the system resumes from suspend mode
      as it will try to set baud rate divider register in set_termios but with
      clock off. The register value can not be set correctly on some platform if
      the clock is disabled. The pxa driver will check the value and report the
      following warning:
      
      ------------[ cut here ]------------
      WARNING: at drivers/tty/serial/pxa.c:545 serial_pxa_set_termios+0x1dc/0x250()
      Modules linked in:
      [<c0281f30>] (unwind_backtrace+0x0/0xf0) from [<c029341c>] (warn_slowpath_common+0x4c/0x64)
      [<c029341c>] (warn_slowpath_common+0x4c/0x64) from [<c029344c>] (warn_slowpath_null+0x18/0x1c)
      [<c029344c>] (warn_slowpath_null+0x18/0x1c) from [<c044b1e4>] (serial_pxa_set_termios+0x1dc/0x250)
      [<c044b1e4>] (serial_pxa_set_termios+0x1dc/0x250) from [<c044a840>] (uart_resume_port+0x128/0x2dc)
      [<c044a840>] (uart_resume_port+0x128/0x2dc) from [<c044bbe0>] (serial_pxa_resume+0x18/0x24)
      [<c044bbe0>] (serial_pxa_resume+0x18/0x24) from [<c0454d34>] (platform_pm_resume+0x40/0x4c)
      [<c0454d34>] (platform_pm_resume+0x40/0x4c) from [<c0457ebc>] (pm_op+0x68/0xb4)
      [<c0457ebc>] (pm_op+0x68/0xb4) from [<c0458368>] (device_resume+0xb0/0xec)
      [<c0458368>] (device_resume+0xb0/0xec) from [<c04584c8>] (dpm_resume+0xe0/0x194)
      [<c04584c8>] (dpm_resume+0xe0/0x194) from [<c0458588>] (dpm_resume_end+0xc/0x18)
      [<c0458588>] (dpm_resume_end+0xc/0x18) from [<c02c518c>] (suspend_devices_and_enter+0x16c/0x1ac)
      [<c02c518c>] (suspend_devices_and_enter+0x16c/0x1ac) from [<c02c5278>] (enter_state+0xac/0xdc)
      [<c02c5278>] (enter_state+0xac/0xdc) from [<c02c48ec>] (state_store+0xa0/0xbc)
      [<c02c48ec>] (state_store+0xa0/0xbc) from [<c0408f7c>] (kobj_attr_store+0x18/0x1c)
      [<c0408f7c>] (kobj_attr_store+0x18/0x1c) from [<c034a6a4>] (sysfs_write_file+0x108/0x140)
      [<c034a6a4>] (sysfs_write_file+0x108/0x140) from [<c02fb798>] (vfs_write+0xac/0x134)
      [<c02fb798>] (vfs_write+0xac/0x134) from [<c02fb8cc>] (sys_write+0x3c/0x68)
      [<c02fb8cc>] (sys_write+0x3c/0x68) from [<c027c700>] (ret_fast_syscall+0x0/0x2c)
      ---[ end trace 88289eceb4675b04 ]---
      
      This patch fix the problem by adding the power on opertion back for uart
      console when console_suspend_enabled is true.
      
      Signed-off-by: default avatarNing Jiang <ning.jiang@marvell.com>
      Tested-by: default avatarMayank Rana <mrana@codeaurora.org>
      Cc: stable <stable@kernel.org>
      Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
      94abc56f
    • Andi Kleen's avatar
      serial: mfd: Initconst section fixes · 153d3d9b
      Andi Kleen authored
      
      
      Cc: gregkh@suse.de
      Signed-off-by: default avatarAndi Kleen <ak@linux.intel.com>
      Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
      153d3d9b
    • Geert Uytterhoeven's avatar
      keyboard: Do not include <linux/irq.> · 98c2b373
      Geert Uytterhoeven authored
      
      
      The top of <linux/irq.h> has this comment:
      
       * Please do not include this file in generic code.  There is currently
       * no requirement for any architecture to implement anything held
       * within this file.
       *
       * Thanks. --rmk
      
      Remove inclusion of <linux/irq.>, to prevent the following compile error
      from happening soon:
      
      | include/linux/irq.h:132: error: redefinition of ‘struct irq_data’
      | include/linux/irq.h:286: error: redefinition of ‘struct irq_chip’
      
      drivers/tty/vt/keyboard.c needs to include <asm/irq_regs.h> for get_irq_regs():
      
      | drivers/tty/vt/keyboard.c:497: error: implicit declaration of function ‘get_irq_regs’
      | drivers/tty/vt/keyboard.c:497: warning: initialization makes pointer from integer without a cast
      
      Signed-off-by: default avatarGeert Uytterhoeven <geert@linux-m68k.org>
      Acked-by: default avatarThomas Gleixner <tglx@linutronix.de>
      Cc: Greg Kroah-Hartman <gregkh@suse.de>
      Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
      98c2b373
    • Jiri Slaby's avatar
      TTY: serial, move 68360 driver to staging · 3a0db721
      Jiri Slaby authored
      This driver has been broken at least since 2008. At that time,
      a88487c7
      
       (Fix compile errors in SGI console drivers) broke this
      driver completely.
      
      And since nobody noticed for the past 3 years, move it into staging. I
      think this will rot there and we will throw it away completely after
      some time. Or maybe someone will volunteer to fix it ;).
      
      Signed-off-by: default avatarJiri Slaby <jslaby@suse.cz>
      Cc: Geert Uytterhoeven <geert@linux-m68k.org>
      Cc: Alan Cox <alan@linux.intel.com>
      Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
      3a0db721
    • WANG Cong's avatar
      cris: lower the printk level in cris serial driver · 3d43b7d5
      WANG Cong authored
      
      
      KERN_CRIT is too high, replace those KERN_CRIT with KERN_ERR or KERN_WARNING.
      
      Cc: Geert Uytterhoeven <geert@linux-m68k.org>
      Cc: Mikael Starvik <starvik@axis.com>
      Cc: Jesper Nilsson <jesper.nilsson@axis.com>
      Signed-off-by: default avatarWANG Cong <xiyou.wangcong@gmail.com>
      Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
      3d43b7d5
    • Søren Holm's avatar
      serial: Support the EFR-register of XR1715x uarts. · 06315348
      Søren Holm authored
      
      
      The EFR (Enhenced-Features-Register) is located at a different offset
      than the other devices supporting UART_CAP_EFR. This change add a special
      setup quick to set UPF_EXAR_EFR on the port. UPF_EXAR_EFR is then used to
      the port type to PORT_XR17D15X since it is for sure a XR17D15X uart.
      
      Signed-off-by: default avatarSøren Holm <sgh@sgh.dk>
      Acked-by: default avatarAlan Cox <alan@linux.intel.com>
      Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
      06315348
    • WANG Cong's avatar
      cris: fix a build error in drivers/tty/serial/crisv10.c · 2f7861de
      WANG Cong authored
      
      
      This patch fixes the following build error:
      
      drivers/tty/serial/crisv10.c:4453: error: 'if_ser0' undeclared (first use in this function): 2 errors in 2 logs
              v3.1-rc4/cris/cris-allmodconfig v3.1-rc4/cris/cris-allyesconfig
      drivers/tty/serial/crisv10.c:4453: error: (Each undeclared identifier is reported only once: 2 errors in 2 logs
              v3.1-rc4/cris/cris-allmodconfig v3.1-rc4/cris/cris-allyesconfig
      drivers/tty/serial/crisv10.c:4453: error: for each function it appears in.): 2 errors in 2 logs
              v3.1-rc4/cris/cris-allmodconfig v3.1-rc4/cris/cris-allyesconfig
      
      "if_ser0" is a typo, it should be "if_serial_0".
      
      Cc: Mikael Starvik <starvik@axis.com>
      Cc: Jesper Nilsson <jesper.nilsson@axis.com>
      Signed-off-by: default avatarWANG Cong <xiyou.wangcong@gmail.com>
      Cc: stable <stable@kernel.org>
      Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
      2f7861de
    • Jiri Slaby's avatar
      TTY: serial, fix includes in some drivers · ee160a38
      Jiri Slaby authored
      
      
      linux/tty_flip.h is included in linux/serial_core.h. But this may (and
      will) change in the future. Then we would get build errors such as:
      .../tty/serial/max3107.c: In function ‘put_data_to_circ_buf’:
      .../tty/serial/max3107.c:149:2: error: implicit declaration of function ‘tty_insert_flip_string’
      
      So fix all the drviers which call tty flip buffer helpers to really
      include linux/tty_flip.h. And also make sure that those include
      linux/tty.h when operating with struct tty_struct.
      
      Signed-off-by: default avatarJiri Slaby <jslaby@suse.cz>
      Cc: Alan Cox <alan@linux.intel.com>
      Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
      ee160a38
    • Jiri Slaby's avatar
      TTY: serial, remove dead code from 68328 · 2c16a353
      Jiri Slaby authored
      
      
      The code is dead at least since 2002. So remove it to not distort git
      grep output (about port.tty usage).
      
      Remove the whole do_softirq tasklet as it's noop now.
      
      Signed-off-by: default avatarJiri Slaby <jslaby@suse.cz>
      Cc: Geert Uytterhoeven <geert@linux-m68k.org>
      Cc: Alan Cox <alan@linux.intel.com>
      Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
      2c16a353
    • Nobuhiro Iwamatsu's avatar
      TTY: serial: Move mutex_unlock in uart_close function · 55956216
      Nobuhiro Iwamatsu authored
      
      
      When mutex_lock is not called, mutex_unlock is sometimes called.
      This deletes unnecessary goto and makes modifications so that
      mutex_unlock is called.
      
      [    8.304000] WARNING: at kernel/muex-debug.c:78
      [    8.304000] Modules linked in:
      [    8.304000]
      [    8.304000] Pid : 114, Comm:                 modprobe
      [    8.304000] CPU : 0                  Not tainted  (3.1.0-rc3-next-20110826 #810)
      [    8.304000]
      [    8.304000] PC is at debug_mutex_unlock+0xf4/0x120
      [    8.304000] PR is at debug_mutex_unlock+0xe6/0x120
      [    8.304000] PC  : 80051114 SP  : 9f02de58 SR  : 400081f1 TEA : 295cf4f2
      [    8.304000] R0  : 00000001 R1  : 00000000 R2  : 0000000f R3  : 00000000
      [    8.304000] R4  : 9fc63158 R5  : 00000000 R6  : 00000001 R7  : 9fe1de78
      [    8.304000] R8  : 805c6b2c R9  : 80003920 R10 : 00000000 R11 : 805c6b2c
      [    8.304000] R12 : 80425ca0 R13 : 00000000 R14 : 9f02de58
      [    8.304000] MACH: 00000003 MACL: 00000000 GBR : 296e1678 PR  : 80051106
      [    8.304000]
      [    8.304000] Call trace:
      [    8.304000]  [<804236c6>] __mutex_unlock_slowpath+0x46/0x120
      [    8.304000]  [<804237aa>] mutex_unlock+0xa/0x20
      [    8.304000]  [<80240ed6>] uart_close+0x76/0x2c0
      [    8.304000]  [<80223b98>] tty_release+0xf8/0x5c0
      [    8.304000]  [<800a93a6>] lookup_object+0x26/0xa0
      [    8.304000]  [<80063f6a>] call_rcu+0x8a/0xc0
      [    8.304000]  [<800a944a>] put_object+0x2a/0x60
      [    8.304000]  [<80003920>] arch_local_irq_restore+0x0/0x40
      [    8.304000]  [<800af320>] fput+0x180/0x2c0
      [    8.304000]  [<800af248>] fput+0xa8/0x2c0
      [    8.304000]  [<800ab1a8>] filp_close+0x48/0xc0
      [    8.304000]  [<800ab29a>] sys_close+0x7a/0x100
      [    8.304000]  [<8000825a>] syscall_call+0xc/0x10
      [    8.304000]  [<800ab220>] sys_close+0x0/0x100
      [    8.304000]
      [    8.304000] Code:
      [    8.304000]   8005110e:  mov.l     @r1, r1
      [    8.304000]   80051110:  tst       r1, r1
      [    8.304000]   80051112:  bf        80051116
      [    8.304000] ->80051114:  trapa     #62
      [    8.304000]   80051116:  mov.l     @r8, r1
      [    8.304000]   80051118:  tst       r1, r1
      [    8.304000]   8005111a:  bt.s      8005104c
      [    8.304000]   8005111c:  mov       #0, r1
      [    8.304000]   8005111e:  bra       80051056
      [    8.304000]
      [    8.304000] ---[ end trace e8f8e04c313f429b ]---
      
      Signed-off-by: default avatarNobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
      Signed-off-by: default avatarJiri Slaby <jslaby@suse.cz>
      Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
      55956216
    • Marcus Folkesson's avatar
      serial: pxa: work around for errata #20 · e44aabd6
      Marcus Folkesson authored
      
      
      Errata E20: UART: Character Timeout interrupt remains set under certain
      software conditions.
      
      Implication: The software servicing the UART can be trapped in an infinite loop.
      
      Signed-off-by: default avatarMarcus Folkesson <marcus.folkesson@gmail.com>
      Cc: stable <stable@kernel.org>
      Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
      e44aabd6
  5. 26 Aug, 2011 10 commits
  6. 25 Aug, 2011 5 commits
  7. 24 Aug, 2011 6 commits