[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>
diff --git a/drivers/char/isicom.c b/drivers/char/isicom.c
index c837ade..42171ad 100644
--- a/drivers/char/isicom.c
+++ b/drivers/char/isicom.c
@@ -1510,7 +1510,7 @@
{
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 @@
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;
- 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 (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;
}
- switch (*signature) {
+ msleep(10);
+
+ portcount = inw(base + 0x2);
+ 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 (sig) {
case 0xa5:
case 0xbb:
case 0xdd:
@@ -1546,16 +1554,13 @@
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;