X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fscsi%2Fin2000.c;h=312190a6938903ddb1e7206a8ce4af7eefa2444a;hb=refs%2Fheads%2Fvserver;hp=34daa3e068deb232b76580588049fcf9b113a9f6;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git

diff --git a/drivers/scsi/in2000.c b/drivers/scsi/in2000.c
index 34daa3e06..312190a69 100644
--- a/drivers/scsi/in2000.c
+++ b/drivers/scsi/in2000.c
@@ -370,7 +370,7 @@ static int in2000_queuecommand(Scsi_Cmnd * cmd, void (*done) (Scsi_Cmnd *))
  */
 
 	if (cmd->use_sg) {
-		cmd->SCp.buffer = (struct scatterlist *) cmd->buffer;
+		cmd->SCp.buffer = (struct scatterlist *) cmd->request_buffer;
 		cmd->SCp.buffers_residual = cmd->use_sg - 1;
 		cmd->SCp.ptr = (char *) page_address(cmd->SCp.buffer->page) + cmd->SCp.buffer->offset;
 		cmd->SCp.this_residual = cmd->SCp.buffer->length;
@@ -829,7 +829,7 @@ static void transfer_bytes(Scsi_Cmnd * cmd, int data_in_dir)
  * but it _does_ need to be able to compile and run in an SMP kernel.)
  */
 
-static irqreturn_t in2000_intr(int irqnum, void *dev_id, struct pt_regs *ptregs)
+static irqreturn_t in2000_intr(int irqnum, void *dev_id)
 {
 	struct Scsi_Host *instance = dev_id;
 	struct IN2000_hostdata *hostdata;
@@ -1809,7 +1809,7 @@ static int in2000_abort(Scsi_Cmnd * cmd)
 
 
 #define MAX_IN2000_HOSTS 3
-#define MAX_SETUP_ARGS (sizeof(setup_args) / sizeof(char *))
+#define MAX_SETUP_ARGS ARRAY_SIZE(setup_args)
 #define SETUP_BUFFER_SIZE 200
 static char setup_buffer[SETUP_BUFFER_SIZE];
 static char setup_used[MAX_SETUP_ARGS];
@@ -1898,6 +1898,21 @@ static int int_tab[] in2000__INITDATA = {
 	10
 };
 
+static int probe_bios(u32 addr, u32 *s1, uchar *switches)
+{
+	void __iomem *p = ioremap(addr, 0x34);
+	if (!p)
+		return 0;
+	*s1 = readl(p + 0x10);
+	if (*s1 == 0x41564f4e || readl(p + 0x30) == 0x61776c41) {
+		/* Read the switch image that's mapped into EPROM space */
+		*switches = ~readb(p + 0x20);
+		iounmap(p);
+		return 1;
+	}
+	iounmap(p);
+	return 0;
+}
 
 static int __init in2000_detect(struct scsi_host_template * tpnt)
 {
@@ -1930,6 +1945,7 @@ static int __init in2000_detect(struct scsi_host_template * tpnt)
 
 	detect_count = 0;
 	for (bios = 0; bios_tab[bios]; bios++) {
+		u32 s1 = 0;
 		if (check_setup_args("ioport", &val, buf)) {
 			base = val;
 			switches = ~inb(base + IO_SWITCHES) & 0xff;
@@ -1941,13 +1957,9 @@ static int __init in2000_detect(struct scsi_host_template * tpnt)
  * for the obvious ID strings. We look for the 2 most common ones and
  * hope that they cover all the cases...
  */
-		else if (isa_readl(bios_tab[bios] + 0x10) == 0x41564f4e || isa_readl(bios_tab[bios] + 0x30) == 0x61776c41) {
+		else if (probe_bios(bios_tab[bios], &s1, &switches)) {
 			printk("Found IN2000 BIOS at 0x%x ", (unsigned int) bios_tab[bios]);
 
-/* Read the switch image that's mapped into EPROM space */
-
-			switches = ~((isa_readb(bios_tab[bios] + 0x20) & 0xff));
-
 /* Find out where the IO space is */
 
 			x = switches & (SW_ADDR0 | SW_ADDR1);
@@ -2003,7 +2015,7 @@ static int __init in2000_detect(struct scsi_host_template * tpnt)
 		write1_io(0, IO_FIFO_READ);	/* start fifo out in read mode */
 		write1_io(0, IO_INTR_MASK);	/* allow all ints */
 		x = int_tab[(switches & (SW_INT0 | SW_INT1)) >> SW_INT_SHIFT];
-		if (request_irq(x, in2000_intr, SA_INTERRUPT, "in2000", instance)) {
+		if (request_irq(x, in2000_intr, IRQF_DISABLED, "in2000", instance)) {
 			printk("in2000_detect: Unable to allocate IRQ.\n");
 			detect_count--;
 			continue;
@@ -2037,7 +2049,7 @@ static int __init in2000_detect(struct scsi_host_template * tpnt)
 
 /* Older BIOS's had a 'sync on/off' switch - use its setting */
 
-		if (isa_readl(bios_tab[bios] + 0x10) == 0x41564f4e && (switches & SW_SYNC_DOS5))
+		if (s1 == 0x41564f4e && (switches & SW_SYNC_DOS5))
 			hostdata->sync_off = 0x00;	/* sync defaults to on */
 		else
 			hostdata->sync_off = 0xff;	/* sync defaults to off */