[PATCH] sata_mv: fix 50xx irq mask
DORMANTno replies
From: Jeff Garzik <hidden>
Date: 2007-02-25 09:23:34
Also in:
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Subsystem:
libata subsystem (serial and parallel ata drivers), the rest · Maintainers:
Damien Le Moal, Niklas Cassel, Linus Torvalds
commit 7aa3ffd983c12d224e33e5d4f89ad083392f9d8d
Author: Jeff Garzik [off-list ref]
Date: Sun Feb 25 04:19:45 2007 -0500
[libata] sata_mv: Fix 50xx irq mask
IRQ mask bits assumed a 60xx or newer generation chip, which is very
wrong for the 50xx series. Luckily both generations shared the per-port
interrupt mask bits, leaving only the "misc chip features" bits to be
completely mismatched.
Fix 50xx by ensuring we only program bits that exist.
Signed-off-by: Jeff Garzik [off-list ref]
drivers/ata/sata_mv.c | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
7aa3ffd983c12d224e33e5d4f89ad083392f9d8ddiff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c
index 30fd84e..208a9d8 100644
--- a/drivers/ata/sata_mv.c
+++ b/drivers/ata/sata_mv.c@@ -137,14 +137,19 @@ enum { PCI_ERR = (1 << 18), TRAN_LO_DONE = (1 << 19), /* 6xxx: IRQ coalescing */ TRAN_HI_DONE = (1 << 20), /* 6xxx: IRQ coalescing */ + PORTS_0_3_COAL_DONE = (1 << 8), + PORTS_4_7_COAL_DONE = (1 << 17), PORTS_0_7_COAL_DONE = (1 << 21), /* 6xxx: IRQ coalescing */ GPIO_INT = (1 << 22), SELF_INT = (1 << 23), TWSI_INT = (1 << 24), HC_MAIN_RSVD = (0x7f << 25), /* bits 31-25 */ + HC_MAIN_RSVD_5 = (0x1fff << 19), /* bits 31-19 */ HC_MAIN_MASKED_IRQS = (TRAN_LO_DONE | TRAN_HI_DONE | PORTS_0_7_COAL_DONE | GPIO_INT | TWSI_INT | HC_MAIN_RSVD), + HC_MAIN_MASKED_IRQS_5 = (PORTS_0_3_COAL_DONE | PORTS_4_7_COAL_DONE | + HC_MAIN_RSVD_5), /* SATAHC registers */ HC_CFG_OFS = 0,
@@ -2239,7 +2244,11 @@ static int mv_init_host(struct pci_dev *pdev, struct ata_probe_ent *probe_ent, /* and unmask interrupt generation for host regs */ writelfl(PCI_UNMASK_ALL_IRQS, mmio + PCI_IRQ_MASK_OFS); - writelfl(~HC_MAIN_MASKED_IRQS, mmio + HC_MAIN_IRQ_MASK_OFS); + + if (IS_50XX(hpriv)) + writelfl(~HC_MAIN_MASKED_IRQS_5, mmio + HC_MAIN_IRQ_MASK_OFS); + else + writelfl(~HC_MAIN_MASKED_IRQS, mmio + HC_MAIN_IRQ_MASK_OFS); VPRINTK("HC MAIN IRQ cause/mask=0x%08x/0x%08x " "PCI int cause/mask=0x%08x/0x%08x\n",