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commit beecadea1b8d67f591b13f7099559f32f3fd601d upstream.
The macro bit(n) is defined as ((u32)1 << n), and thus it doesn't work
with n >= 32, such as in mvs_94xx_assign_reg_set():
if (i >= 32) {
mvi->sata_reg_set |= bit(i);
...
}
The shift ((u32)1 << n) with n >= 32 also leads to undefined behavior.
The result varies depending on the architecture.
This patch changes bit(n) to do a 64-bit shift. It also simplifies
mv_ffc64() using __ffs64(), since invoking ffz() with ~0 is undefined.
Signed-off-by: Xi Wang <xi.wang@gmail.com>
Acked-by: Xiangliang Yu <yuxiangl@marvell.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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1. Add support for Task collector mode.
2. Fixed relative collector mode bug:
- I/O failed when disks is on two ports
- system hang when hotplug disk
- system hang when unplug disk during run IO
3. Unlock ap->lock within .lldd_execute_task for direct mode to
improve performance
Signed-off-by: Xiangliang Yu <yuxiangl@marvell.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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This version contains following main changes
- Switch to new layout to support more types of ASIC.
- SSP TMF supported and related Error Handing enhanced.
- Support flash feature with delay 2*HZ when PHY changed.
- Support Marvell 94xx series ASIC for 6G SAS/SATA, which has 2
88SE64xx chips but any different register description.
- Support SPI flash for HBA-related configuration info.
- Other patch enhanced from kernel side such as increasing PHY type
[jejb: fold back in DMA_BIT_MASK changes]
Signed-off-by: Ying Chu <jasonchu@marvell.com>
Signed-off-by: Andy Yan <ayan@marvell.com>
Signed-off-by: Ke Wei <kewei@marvell.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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