[PATCH] Char: isicom, augment card_reset

isicom, augment card_reset

- add 0xee to signatures
- change long delays to sleeps
- make one sleep shorter not to wait 3s
- portcount == 16 is also correct

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 22 insertions, 17 deletions

diff --git a/drivers/char/isicom.c b/drivers/char/isicom.c
index c837ade1e80b..42171ad001dd 100644
--- a/drivers/char/isicom.c
+++ b/drivers/char/isicom.c
@@ -1510,7 +1510,7 @@ static int __devinit reset_card(struct pci_dev *pdev,
 {
         struct isi_board *board = pci_get_drvdata(pdev);
         unsigned long base = board->base;
-        unsigned int portcount = 0;
+        unsigned int sig, portcount = 0;
         int retval = 0;
 
         dev_dbg(&pdev->dev, "ISILoad:Resetting Card%d at 0x%lx\n", card + 1,
@@ -1518,27 +1518,35 @@ static int __devinit reset_card(struct pci_dev *pdev,
 
         inw(base + 0x8);
 
-        mdelay(10);
+        msleep(10);
 
         outw(0, base + 0x8); /* Reset */
 
-        msleep(3000);
+        msleep(1000);
 
-        *signature = inw(base + 0x4) & 0xff;
+        sig = inw(base + 0x4) & 0xff;
+
+        if (sig != 0xa5 && sig != 0xbb && sig != 0xcc && sig != 0xdd &&
+                        sig != 0xee) {
+                dev_warn(&pdev->dev, "ISILoad:Card%u reset failure (Possible "
+                        "bad I/O Port Address 0x%lx).\n", card + 1, base);
+                dev_dbg(&pdev->dev, "Sig=0x%x\n", sig);
+                retval = -EIO;
+                goto end;
+        }
+
+        msleep(10);
 
         portcount = inw(base + 0x2);
-        if (!(inw(base + 0xe) & 0x1) || ((portcount != 0) &&
-                        (portcount != 4) && (portcount != 8))) {
-                dev_dbg(&pdev->dev, "base+0x2=0x%lx, base+0xe=0x%lx\n",
-                        inw(base + 0x2), inw(base + 0xe));
-                dev_err(&pdev->dev, "ISILoad:PCI Card%d reset failure "
-                        "(Possible bad I/O Port Address 0x%lx).\n",
-                        card + 1, base);
+        if (!inw(base + 0xe) & 0x1 || (portcount != 0 && portcount != 4 &&
+                                portcount != 8 && portcount != 16)) {
+                dev_err(&pdev->dev, "ISILoad:PCI Card%d reset failure.",
+                        card + 1);
                 retval = -EIO;
                 goto end;
         }
 
-        switch (*signature) {
+        switch (sig) {
         case 0xa5:
         case 0xbb:
         case 0xdd:
@@ -1546,16 +1554,13 @@ static int __devinit reset_card(struct pci_dev *pdev,
                 board->shift_count = 12;
                 break;
         case 0xcc:
+        case 0xee:
                 board->port_count = 16;
                 board->shift_count = 11;
                 break;
-        default:
-                dev_warn(&pdev->dev, "ISILoad:Card%d reset failure (Possible "
-                        "bad I/O Port Address 0x%lx).\n", card + 1, base);
-                dev_dbg(&pdev->dev, "Sig=0x%lx\n", signature);
-                retval = -EIO;
         }
         dev_info(&pdev->dev, "-Done\n");
+        *signature = sig;
 
 end:
         return retval;