Merge branch 'tty-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6

* 'tty-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6:
  tty/n_gsm: fix bug in CRC calculation for gsm1 mode
  serial/imx: read cts state only after acking cts change irq
  parport_pc.c: correctly release the requested region for the IT887x

3 files changed, 11 insertions, 8 deletions

diff --git a/drivers/parport/parport_pc.c b/drivers/parport/parport_pc.c
index a3755ffc03d4..bc8ce48f0778 100644
--- a/drivers/parport/parport_pc.c
+++ b/drivers/parport/parport_pc.c
@@ -2550,7 +2550,6 @@ static int __devinit sio_ite_8872_probe(struct pci_dev *pdev, int autoirq,
                                          const struct parport_pc_via_data *via)
 {
         short inta_addr[6] = { 0x2A0, 0x2C0, 0x220, 0x240, 0x1E0 };
-        struct resource *base_res;
         u32 ite8872set;
         u32 ite8872_lpt, ite8872_lpthi;
         u8 ite8872_irq, type;
@@ -2561,8 +2560,7 @@ static int __devinit sio_ite_8872_probe(struct pci_dev *pdev, int autoirq,
 
         /* make sure which one chip */
         for (i = 0; i < 5; i++) {
-                base_res = request_region(inta_addr[i], 32, "it887x");
-                if (base_res) {
+                if (request_region(inta_addr[i], 32, "it887x")) {
                         int test;
                         pci_write_config_dword(pdev, 0x60,
                                                 0xe5000000 | inta_addr[i]);
@@ -2571,7 +2569,7 @@ static int __devinit sio_ite_8872_probe(struct pci_dev *pdev, int autoirq,
                         test = inb(inta_addr[i]);
                         if (test != 0xff)
                                 break;
-                        release_region(inta_addr[i], 0x8);
+                        release_region(inta_addr[i], 32);
                 }
         }
         if (i >= 5) {
@@ -2635,7 +2633,7 @@ static int __devinit sio_ite_8872_probe(struct pci_dev *pdev, int autoirq,
         /*
          * Release the resource so that parport_pc_probe_port can get it.
          */
-        release_resource(base_res);
+        release_region(inta_addr[i], 32);
         if (parport_pc_probe_port(ite8872_lpt, ite8872_lpthi,
                                    irq, PARPORT_DMA_NONE, &pdev->dev, 0)) {
                 printk(KERN_INFO
diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c
index 47f8cdb207f1..74273e638c0d 100644
--- a/drivers/tty/n_gsm.c
+++ b/drivers/tty/n_gsm.c
@@ -1658,8 +1658,12 @@ static void gsm_queue(struct gsm_mux *gsm)
 
         if ((gsm->control & ~PF) == UI)
                 gsm->fcs = gsm_fcs_add_block(gsm->fcs, gsm->buf, gsm->len);
-        /* generate final CRC with received FCS */
-        gsm->fcs = gsm_fcs_add(gsm->fcs, gsm->received_fcs);
+        if (gsm->encoding == 0){
+                /* WARNING: gsm->received_fcs is used for gsm->encoding = 0 only.
+                            In this case it contain the last piece of data
+                            required to generate final CRC */
+                gsm->fcs = gsm_fcs_add(gsm->fcs, gsm->received_fcs);
+        }
         if (gsm->fcs != GOOD_FCS) {
                 gsm->bad_fcs++;
                 if (debug & 4)
diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c
index cb36b0d4ef3c..62df72d9f0aa 100644
--- a/drivers/tty/serial/imx.c
+++ b/drivers/tty/serial/imx.c
@@ -382,12 +382,13 @@ static void imx_start_tx(struct uart_port *port)
 static irqreturn_t imx_rtsint(int irq, void *dev_id)
 {
         struct imx_port *sport = dev_id;
-        unsigned int val = readl(sport->port.membase + USR1) & USR1_RTSS;
+        unsigned int val;
         unsigned long flags;
 
         spin_lock_irqsave(&sport->port.lock, flags);
 
         writel(USR1_RTSD, sport->port.membase + USR1);
+        val = readl(sport->port.membase + USR1) & USR1_RTSS;
         uart_handle_cts_change(&sport->port, !!val);
         wake_up_interruptible(&sport->port.state->port.delta_msr_wait);