From: Tony Battersby <tonyb@cybernetics.com>
Date: Thu, 8 Jan 2009 17:56:58 +0000 (-0500)
Subject: [SCSI] sym53c8xx: handle pci_iomap() failures
X-Git-Tag: v2.6.30-rc1~641^2~57
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=783fa7311b2c639f39c6163f9fbb05253fb2d702;p=pandora-kernel.git

[SCSI] sym53c8xx: handle pci_iomap() failures

sym_init_device() doesn't check if pci_iomap() fails.  It also tries
to map device RAM without first checking FE_RAM.

1) Move some initialization from sym_init_device() to the top of
   sym2_probe().
2) Rename sym_init_device() to sym_iomap_device().
3) Call sym_iomap_device() after sym_check_supported() instead of
   before so that device->chip.features will be set.
4) Check FE_RAM in sym_iomap_device() before mapping RAM.
5) If sym_iomap_device() cannot map registers, then abort.
6) If sym_iomap_device() cannot map RAM, then fall back to not using
   RAM and continue.
7) Remove the check for FE_RAM in sym_attach() since dev->ram_base
   is now always set correctly.

Signed-off-by: Tony Battersby <tonyb@cybernetics.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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