Messages in this thread Patch in this message | | | Subject | [PATCH 10/11] Char: cyclades, clear interrupts before releasing | From | Jiri Slaby <> | Date | Wed, 18 Apr 2007 12:07:56 +0200 (CEST) |
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cyclades, clear interrupts before releasing
Without this patch, the driver sometimes causes "IRQXX: Nobody cares". Fix it by turning off irqs when releasing.
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
--- commit 0156510dee9d326af2ec52cf8b1a388ce9a839e9 tree 29d863d5eca58913c306bc8cd9a6b3a5dcef01fe parent ad4f792b92f8e6350a62b61442bb6812969bfd73 author Jiri Slaby <jirislaby@gmail.com> Thu, 05 Apr 2007 18:26:08 +0200 committer Jiri Slaby <jirislaby@gmail.com> Tue, 10 Apr 2007 10:48:09 +0200
drivers/char/cyclades.c | 13 +++++++++++++ 1 files changed, 13 insertions(+), 0 deletions(-)
diff --git a/drivers/char/cyclades.c b/drivers/char/cyclades.c index 0c2c120..5a9e7d6 100644 --- a/drivers/char/cyclades.c +++ b/drivers/char/cyclades.c @@ -5341,6 +5341,17 @@ static void __devexit cy_pci_release(struct pci_dev *pdev) struct cyclades_card *cinfo = pci_get_drvdata(pdev); unsigned int i; + /* non-Z with old PLX */ + if (cinfo->num_chips != -1 && (readb(cinfo->base_addr + CyPLX_VER) & + 0x0f) == PLX_9050) + cy_writeb(cinfo->ctl_addr + 0x4c, 0); + else +#ifndef CONFIG_CYZ_INTR + if (cinfo->num_chips != -1) +#endif + cy_writew(cinfo->ctl_addr + 0x68, + readw(cinfo->ctl_addr + 0x68) & ~0x0900); + pci_iounmap(pdev, cinfo->base_addr); if (cinfo->ctl_addr) pci_iounmap(pdev, cinfo->ctl_addr); @@ -5560,6 +5571,8 @@ static void __exit cy_cleanup_module(void) cy_pci_release(cy_card[i].pdev); continue; } + /* clear interrupt */ + cy_writeb(cy_card[i].base_addr + Cy_ClrIntr, 0); iounmap(cy_card[i].base_addr); if (cy_card[i].ctl_addr) iounmap(cy_card[i].ctl_addr); - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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