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authorJeff Garzik <jeff@garzik.org>2006-12-04 04:49:23 +0300
committerJames Bottomley <jejb@mulgrave.il.steeleye.com>2006-12-05 19:25:35 +0300
commit00769ec40074b753c9b218c2ccaba2bfbfffe056 (patch)
treeb8a05cbdb85f7c4ca8e4368b74a66dfccc3a7b8d /drivers/scsi/stex.c
parente42ebefee15894522f3a84045887573ebc9b764e (diff)
downloadlinux-00769ec40074b753c9b218c2ccaba2bfbfffe056.tar.xz
[SCSI] megaraid: fix MMIO casts
megaraid's MMIO RD*/WR* macros directly call readl() and writel() with an 'unsigned long' argument. This throws a warning, but is otherwise OK because the 'unsigned long' is really the result of ioremap(). This setup is also OK because the variable can hold an ioremap cookie /or/ a PCI I/O port (PIO). However, to fix the warning thrown when readl() and writel() are passed an unsigned long cookie, I introduce 'void __iomem *mmio_base', holding the same value as 'base'. This will silence the warnings, and also cause an oops whenever these MMIO-only functions are ever accidentally passed an I/O address. Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/scsi/stex.c')
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