diff options
| author | Timur Tabi <timur@freescale.com> | 2011-09-14 01:17:00 +0400 |
|---|---|---|
| committer | Kumar Gala <galak@kernel.crashing.org> | 2011-10-12 01:18:55 +0400 |
| commit | 2228511833e267e833514cc85ba9626f9dacd661 (patch) | |
| tree | 0e23bd60170f0b9dd1167ae036382e6d551d5a87 /arch/powerpc | |
| parent | 2a05e333c2cee711c828d79300010b721c81574f (diff) | |
| download | linux-2228511833e267e833514cc85ba9626f9dacd661.tar.xz | |
powerpc/fsl_msi: fix support for multiple MSI ranges
Commit 6820fead ("powerpc/fsl_msi: Handle msi-available-ranges better") added
support for multiple ranges in the msi-available-ranges property, but it
miscalculated the MSIR index when multiple ranges are used.
Signed-off-by: Timur Tabi <timur@freescale.com>
Acked-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/sysdev/fsl_msi.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/arch/powerpc/sysdev/fsl_msi.c b/arch/powerpc/sysdev/fsl_msi.c index 419a77239bd7..1cca25146b1f 100644 --- a/arch/powerpc/sysdev/fsl_msi.c +++ b/arch/powerpc/sysdev/fsl_msi.c @@ -296,7 +296,7 @@ static int __devinit fsl_msi_setup_hwirq(struct fsl_msi *msi, } msi->msi_virqs[irq_index] = virt_msir; - cascade_data->index = offset + irq_index; + cascade_data->index = offset; cascade_data->msi_data = msi; irq_set_handler_data(virt_msir, cascade_data); irq_set_chained_handler(virt_msir, fsl_msi_cascade); @@ -376,8 +376,10 @@ static int __devinit fsl_of_msi_probe(struct platform_device *dev) goto error_out; } - if (!p) + if (!p) { p = all_avail; + len = sizeof(all_avail); + } for (irq_index = 0, i = 0; i < len / (2 * sizeof(u32)); i++) { if (p[i * 2] % IRQS_PER_MSI_REG || @@ -393,7 +395,7 @@ static int __devinit fsl_of_msi_probe(struct platform_device *dev) count = p[i * 2 + 1] / IRQS_PER_MSI_REG; for (j = 0; j < count; j++, irq_index++) { - err = fsl_msi_setup_hwirq(msi, dev, offset, irq_index); + err = fsl_msi_setup_hwirq(msi, dev, offset + j, irq_index); if (err) goto error_out; } |