Re: [PATCH v3 2/8] ACPI / irqchip: Add self-probe infrastructure to initialize IRQ controller

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 07/18/2015 07:15 AM, Timur Tabi wrote:
On Fri, Jul 10, 2015 at 5:45 AM, Hanjun Guo <hanjun.guo@xxxxxxxxxx> wrote:

+void __init acpi_irqchip_init(void)
+{
+       struct acpi_table_id *id;
+
+       if (acpi_disabled)
+               return;
+
+       if (acpi_gic_version_init())
+               return;
+
+       /* scan the irqchip table to match the GIC version and its driver */
+       for (id = __irqchip_acpi_table; id->id[0]; id++) {
+               if (gic_version == (u8)id->driver_data)
+                       acpi_table_parse(id->id,
+                                        (acpi_tbl_table_handler)id->handler);
+       }

Should we display an error message if we don't find a matching table?
That can happen if the ACPI tables shows a GIC version number that is
not listed in __irqchip_acpi_table[]?

Hmm, did you get the error message like: "Invalid GIC version 5 in
MADT"? or just use ACPI_MADT_GIC_VERSION_V1 as the gic_version? if
the later one, it will show everything is fine, but failed to probe
the GIC.

I agree with you that we need to print some error message here,
I will update my patch.

Thanks
Hanjun
--
To unsubscribe from this list: send the line "unsubscribe linux-acpi" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [Linux IBM ACPI]     [Linux Power Management]     [Linux Kernel]     [Linux Laptop]     [Kernel Newbies]     [Share Photos]     [Security]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Samba]     [Video 4 Linux]     [Device Mapper]     [Linux Resources]

  Powered by Linux