X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=drivers%2Ffirmware%2Fpcdp.c;h=c37baf9448bc8665905c8479942c98ff083ea460;hb=b9b6e78b11de295ef073271979355d5fab71b877;hp=ae1fb45dbb40d20f9b08a5e7537cf2e0e4b876ef;hpb=2f058256cb64e346f4fb4499ff4e0f1c2791a4b4;p=powerpc.git diff --git a/drivers/firmware/pcdp.c b/drivers/firmware/pcdp.c index ae1fb45dbb..c37baf9448 100644 --- a/drivers/firmware/pcdp.c +++ b/drivers/firmware/pcdp.c @@ -89,19 +89,20 @@ efi_setup_pcdp_console(char *cmdline) struct pcdp_uart *uart; struct pcdp_device *dev, *end; int i, serial = 0; + int rc = -ENODEV; - pcdp = efi.hcdp; - if (!pcdp) + if (efi.hcdp == EFI_INVALID_TABLE_ADDR) return -ENODEV; - printk(KERN_INFO "PCDP: v%d at 0x%lx\n", pcdp->rev, __pa(pcdp)); + pcdp = ioremap(efi.hcdp, 4096); + printk(KERN_INFO "PCDP: v%d at 0x%lx\n", pcdp->rev, efi.hcdp); if (strstr(cmdline, "console=hcdp")) { if (pcdp->rev < 3) serial = 1; } else if (strstr(cmdline, "console=")) { printk(KERN_INFO "Explicit \"console=\"; ignoring PCDP\n"); - return -ENODEV; + goto out; } if (pcdp->rev < 3 && efi_uart_console_only()) @@ -110,7 +111,8 @@ efi_setup_pcdp_console(char *cmdline) for (i = 0, uart = pcdp->uart; i < pcdp->num_uarts; i++, uart++) { if (uart->flags & PCDP_UART_PRIMARY_CONSOLE || serial) { if (uart->type == PCDP_CONSOLE_UART) { - return setup_serial_console(uart); + rc = setup_serial_console(uart); + goto out; } } } @@ -121,10 +123,13 @@ efi_setup_pcdp_console(char *cmdline) dev = (struct pcdp_device *) ((u8 *) dev + dev->length)) { if (dev->flags & PCDP_PRIMARY_CONSOLE) { if (dev->type == PCDP_CONSOLE_VGA) { - return setup_vga_console(dev); + rc = setup_vga_console(dev); + goto out; } } } - return -ENODEV; +out: + iounmap(pcdp); + return rc; }