diff options
| author | Mark Lord <liml@rtr.ca> | 2009-04-06 12:29:49 -0400 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@redhat.com> | 2009-04-06 20:13:33 -0400 |
| commit | 44c65d169c5d2e5c872581ebc65f12710d7c3b71 (patch) | |
| tree | fa64f6fa65689972ded247b14238f34857eb2253 /drivers/ata/sata_mv.c | |
| parent | 4c1e9aa41b2f9afe8f26e2efe5bb4695f6c40772 (diff) | |
| download | lwn-44c65d169c5d2e5c872581ebc65f12710d7c3b71.tar.gz lwn-44c65d169c5d2e5c872581ebc65f12710d7c3b71.zip | |
sata_mv: revert SoC irq breakage
Revert most of commit 6be96ac1d5e4d913e1f48299db083ada5321803b2,
originally from Lennert Buijtenheck (Marvell) and Saeed Bishara (Marvell),
since that commit causes sata_mv to oops at startup on SOC "Kirkwood".
The SOC variants do not have the hpriv->irq_{cause,mask}_ofs registers,
so don't try to write to them!
This patch should also be considered for -stable.
Reported-by: Maxime Bizon <mbizon@freebox.fr>
Signed-off-by: Mark Lord <mlord@pobox.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'drivers/ata/sata_mv.c')
| -rw-r--r-- | drivers/ata/sata_mv.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c index a377226b81c8..be9ae4fc5cbe 100644 --- a/drivers/ata/sata_mv.c +++ b/drivers/ata/sata_mv.c @@ -3734,11 +3734,13 @@ static int mv_init_host(struct ata_host *host, unsigned int board_idx) writelfl(0, hc_mmio + HC_IRQ_CAUSE_OFS); } - /* Clear any currently outstanding host interrupt conditions */ - writelfl(0, mmio + hpriv->irq_cause_ofs); + if (!IS_SOC(hpriv)) { + /* Clear any currently outstanding host interrupt conditions */ + writelfl(0, mmio + hpriv->irq_cause_ofs); - /* and unmask interrupt generation for host regs */ - writelfl(hpriv->unmask_all_irqs, mmio + hpriv->irq_mask_ofs); + /* and unmask interrupt generation for host regs */ + writelfl(hpriv->unmask_all_irqs, mmio + hpriv->irq_mask_ofs); + } /* * enable only global host interrupts for now. |