Merge branch 'tty-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh...
authorLinus Torvalds <torvalds@linux-foundation.org>
Fri, 22 Apr 2011 23:19:19 +0000 (16:19 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Fri, 22 Apr 2011 23:19:19 +0000 (16:19 -0700)
* '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

drivers/parport/parport_pc.c
drivers/tty/n_gsm.c
drivers/tty/serial/imx.c

index a3755ff..bc8ce48 100644 (file)
@@ -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
index 47f8cdb..74273e6 100644 (file)
@@ -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)
index cb36b0d..62df72d 100644 (file)
@@ -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);