From: Alex Williamson <alex_williamson@hp.com>
To: linux-kernel@vger.kernel.org
Subject: [PATCH] 8250_pci include offset in iomap_base
Date: Mon, 28 Apr 2003 11:31:30 -0600 [thread overview]
Message-ID: <3EAD6572.8622DDC3@hp.com> (raw)
[-- Attachment #1: Type: text/plain, Size: 286 bytes --]
This one-liner is required for PCI serial ports that have multiple
MMIO ports off a single PCI BAR. Calls to request_mem_resource() fail
after the first one otherwise. Patch against 2.5.67. Thanks,
Alex
--
Alex Williamson HP Linux & Open Source Lab
[-- Attachment #2: 8250_pci_mmio.diff --]
[-- Type: text/plain, Size: 399 bytes --]
--- linux-2.5.67.clean/drivers/serial/8250_pci.c 2003-04-07 11:32:18.000000000 -0600
+++ linux-2.5.67/drivers/serial/8250_pci.c 2003-04-28 11:08:38.000000000 -0600
@@ -126,7 +126,7 @@
return -ENOMEM;
req->io_type = UPIO_MEM;
- req->iomap_base = port;
+ req->iomap_base = port + offset;
req->iomem_base = priv->remapped_bar[bar] + offset;
req->iomem_reg_shift = regshift;
} else {
next reply other threads:[~2003-04-28 17:18 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-04-28 17:31 Alex Williamson [this message]
2003-04-29 14:08 ` [PATCH] 8250_pci include offset in iomap_base Russell King
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