]> pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - drivers/block/xsysace.c
Merge branch 'hp-wmi' into release
[linux-2.6-omap-h63xx.git] / drivers / block / xsysace.c
index ecab9e67d47a3985b2cfb67d1c2a16e04981eb1f..119be3442f28f7f2c979fd2c5ee64c1967ff16f8 100644 (file)
@@ -194,7 +194,7 @@ struct ace_device {
        int in_irq;
 
        /* Details of hardware device */
-       unsigned long physaddr;
+       resource_size_t physaddr;
        void __iomem *baseaddr;
        int irq;
        int bus_width;          /* 0 := 8 bit; 1 := 16 bit */
@@ -489,6 +489,28 @@ static void ace_fsm_dostate(struct ace_device *ace)
                ace->fsm_state, ace->id_req_count);
 #endif
 
+       /* Verify that there is actually a CF in the slot. If not, then
+        * bail out back to the idle state and wake up all the waiters */
+       status = ace_in32(ace, ACE_STATUS);
+       if ((status & ACE_STATUS_CFDETECT) == 0) {
+               ace->fsm_state = ACE_FSM_STATE_IDLE;
+               ace->media_change = 1;
+               set_capacity(ace->gd, 0);
+               dev_info(ace->dev, "No CF in slot\n");
+
+               /* Drop all pending requests */
+               while ((req = elv_next_request(ace->queue)) != NULL)
+                       end_request(req, 0);
+
+               /* Drop back to IDLE state and notify waiters */
+               ace->fsm_state = ACE_FSM_STATE_IDLE;
+               ace->id_result = -EIO;
+               while (ace->id_req_count) {
+                       complete(&ace->id_completion);
+                       ace->id_req_count--;
+               }
+       }
+
        switch (ace->fsm_state) {
        case ACE_FSM_STATE_IDLE:
                /* See if there is anything to do */
@@ -628,8 +650,8 @@ static void ace_fsm_dostate(struct ace_device *ace)
 
                /* Okay, it's a data request, set it up for transfer */
                dev_dbg(ace->dev,
-                       "request: sec=%lx hcnt=%lx, ccnt=%x, dir=%i\n",
-                       req->sector, req->hard_nr_sectors,
+                       "request: sec=%llx hcnt=%lx, ccnt=%x, dir=%i\n",
+                       (unsigned long long) req->sector, req->hard_nr_sectors,
                        req->current_nr_sectors, rq_data_dir(req));
 
                ace->req = req;
@@ -935,7 +957,8 @@ static int __devinit ace_setup(struct ace_device *ace)
        int rc;
 
        dev_dbg(ace->dev, "ace_setup(ace=0x%p)\n", ace);
-       dev_dbg(ace->dev, "physaddr=0x%lx irq=%i\n", ace->physaddr, ace->irq);
+       dev_dbg(ace->dev, "physaddr=0x%llx irq=%i\n",
+               (unsigned long long)ace->physaddr, ace->irq);
 
        spin_lock_init(&ace->lock);
        init_completion(&ace->id_completion);
@@ -1017,8 +1040,8 @@ static int __devinit ace_setup(struct ace_device *ace)
        /* Print the identification */
        dev_info(ace->dev, "Xilinx SystemACE revision %i.%i.%i\n",
                 (version >> 12) & 0xf, (version >> 8) & 0x0f, version & 0xff);
-       dev_dbg(ace->dev, "physaddr 0x%lx, mapped to 0x%p, irq=%i\n",
-               ace->physaddr, ace->baseaddr, ace->irq);
+       dev_dbg(ace->dev, "physaddr 0x%llx, mapped to 0x%p, irq=%i\n",
+               (unsigned long long) ace->physaddr, ace->baseaddr, ace->irq);
 
        ace->media_change = 1;
        ace_revalidate_disk(ace->gd);
@@ -1035,8 +1058,8 @@ err_alloc_disk:
 err_blk_initq:
        iounmap(ace->baseaddr);
 err_ioremap:
-       dev_info(ace->dev, "xsysace: error initializing device at 0x%lx\n",
-              ace->physaddr);
+       dev_info(ace->dev, "xsysace: error initializing device at 0x%llx\n",
+                (unsigned long long) ace->physaddr);
        return -ENOMEM;
 }
 
@@ -1059,7 +1082,7 @@ static void __devexit ace_teardown(struct ace_device *ace)
 }
 
 static int __devinit
-ace_alloc(struct device *dev, int id, unsigned long physaddr,
+ace_alloc(struct device *dev, int id, resource_size_t physaddr,
          int irq, int bus_width)
 {
        struct ace_device *ace;
@@ -1119,7 +1142,7 @@ static void __devexit ace_free(struct device *dev)
 
 static int __devinit ace_probe(struct platform_device *dev)
 {
-       unsigned long physaddr = 0;
+       resource_size_t physaddr = 0;
        int bus_width = ACE_BUS_WIDTH_16; /* FIXME: should not be hard coded */
        int id = dev->id;
        int irq = NO_IRQ;
@@ -1165,7 +1188,7 @@ static int __devinit
 ace_of_probe(struct of_device *op, const struct of_device_id *match)
 {
        struct resource res;
-       unsigned long physaddr;
+       resource_size_t physaddr;
        const u32 *id;
        int irq, bus_width, rc;
 
@@ -1205,6 +1228,7 @@ static struct of_device_id ace_of_match[] __devinitdata = {
        { .compatible = "xlnx,opb-sysace-1.00.b", },
        { .compatible = "xlnx,opb-sysace-1.00.c", },
        { .compatible = "xlnx,xps-sysace-1.00.a", },
+       { .compatible = "xlnx,sysace", },
        {},
 };
 MODULE_DEVICE_TABLE(of, ace_of_match);