Merge branch 'depends/tty' into next/headers

Merging in Greg's tty tree including a cleanup patch needed by the OMAP serial
header cleanups.

* depends/tty: (305 commits)
  tty/serial/8250: Make omap hardware workarounds local to 8250.h
  serial/8250/8250_early: Prevent rounding error in uartclk
  serial: samsung: use clk_prepare_enable and clk_disable_unprepare
  TTY: Report warning when low_latency flag is wrongly used
  console: use might_sleep in console_lock
  TTY: move tty buffers to tty_port
  TTY: add port -> tty link
  TTY: tty_buffer, cache pointer to tty->buf
  TTY: move TTY_FLUSH* flags to tty_port
  TTY: n_tty, propagate n_tty_data
  TTY: move ldisc data from tty_struct: locks
  TTY: move ldisc data from tty_struct: read_* and echo_* and canon_* stuff
  TTY: move ldisc data from tty_struct: bitmaps
  TTY: move ldisc data from tty_struct: simple members
  TTY: n_tty, add ldisc data to n_tty
  TTY: audit, stop accessing tty->icount
  TTY: n_tty, remove bogus checks
  TTY: n_tty, simplify read_buf+echo_buf allocation
  TTY: hci_ldisc, remove invalid check in open
  TTY: ldisc, wait for idle ldisc in release
  ...

4 files changed, 36 insertions, 5 deletions

diff --git a/drivers/char/Makefile b/drivers/char/Makefile
index d0b27a39f1d..7ff1d0d208a 100644
--- a/drivers/char/Makefile
+++ b/drivers/char/Makefile
@@ -52,7 +52,6 @@ obj-$(CONFIG_TELCLOCK)		+= tlclk.o
 obj-$(CONFIG_MWAVE)             += mwave/
 obj-$(CONFIG_AGP)               += agp/
 obj-$(CONFIG_PCMCIA)            += pcmcia/
-obj-$(CONFIG_IPMI_HANDLER)      += ipmi/
 
 obj-$(CONFIG_HANGCHECK_TIMER)   += hangcheck-timer.o
 obj-$(CONFIG_TCG_TPM)           += tpm/
diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c
index e01f5eaaec8..38390f7c6ab 100644
--- a/drivers/char/agp/intel-gtt.c
+++ b/drivers/char/agp/intel-gtt.c
@@ -667,7 +667,7 @@ static int intel_gtt_init(void)
         gtt_map_size = intel_private.base.gtt_total_entries * 4;
 
         intel_private.gtt = NULL;
-        if (INTEL_GTT_GEN < 6)
+        if (INTEL_GTT_GEN < 6 && INTEL_GTT_GEN > 2)
                 intel_private.gtt = ioremap_wc(intel_private.gtt_bus_addr,
                                                gtt_map_size);
         if (intel_private.gtt == NULL)
diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c
index 2c29942b132..a0c84bb3085 100644
--- a/drivers/char/ipmi/ipmi_msghandler.c
+++ b/drivers/char/ipmi/ipmi_msghandler.c
@@ -1880,7 +1880,7 @@ int ipmi_request_supply_msgs(ipmi_user_t          user,
                              struct ipmi_recv_msg *supplied_recv,
                              int                  priority)
 {
-        unsigned char saddr, lun;
+        unsigned char saddr = 0, lun = 0;
         int           rv;
 
         if (!user)
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index 83f85cf7fb1..32a6c7e256b 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -2424,6 +2424,38 @@ static void ipmi_pci_cleanup(struct smi_info *info)
         pci_disable_device(pdev);
 }
 
+static int __devinit ipmi_pci_probe_regspacing(struct smi_info *info)
+{
+        if (info->si_type == SI_KCS) {
+                unsigned char   status;
+                int             regspacing;
+
+                info->io.regsize = DEFAULT_REGSIZE;
+                info->io.regshift = 0;
+                info->io_size = 2;
+                info->handlers = &kcs_smi_handlers;
+
+                /* detect 1, 4, 16byte spacing */
+                for (regspacing = DEFAULT_REGSPACING; regspacing <= 16;) {
+                        info->io.regspacing = regspacing;
+                        if (info->io_setup(info)) {
+                                dev_err(info->dev,
+                                        "Could not setup I/O space\n");
+                                return DEFAULT_REGSPACING;
+                        }
+                        /* write invalid cmd */
+                        info->io.outputb(&info->io, 1, 0x10);
+                        /* read status back */
+                        status = info->io.inputb(&info->io, 1);
+                        info->io_cleanup(info);
+                        if (status)
+                                return regspacing;
+                        regspacing *= 4;
+                }
+        }
+        return DEFAULT_REGSPACING;
+}
+
 static int __devinit ipmi_pci_probe(struct pci_dev *pdev,
                                     const struct pci_device_id *ent)
 {
@@ -2476,8 +2508,8 @@ static int __devinit ipmi_pci_probe(struct pci_dev *pdev,
         }
         info->io.addr_data = pci_resource_start(pdev, 0);
 
-        info->io.regspacing = DEFAULT_REGSPACING;
-        info->io.regsize = DEFAULT_REGSPACING;
+        info->io.regspacing = ipmi_pci_probe_regspacing(info);
+        info->io.regsize = DEFAULT_REGSIZE;
         info->io.regshift = 0;
 
         info->irq = pdev->irq;