Messages in this thread | | | Subject | Re: [PATCH V3] AHCI: Workaround for ThunderX Errata#22536 | From | Tirumalesh Chalamarla <> | Date | Thu, 25 Feb 2016 12:31:53 -0800 |
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On 02/17/2016 08:12 AM, Thomas Gleixner wrote: > On Tue, 16 Feb 2016, tchalamarla@caviumnetworks.com wrote: >> +#ifdef CONFIG_ARM64 >> +/* Due to ERRATA#22536, ThunderX need to handle >> + * HOST_IRQ_STAT differently. >> + * Work around is to make sure all pending IRQs >> + * are served before leaving handler >> + */ >> +static irqreturn_t ahci_thunderx_irq_handler(int irq, void *dev_instance) >> +{ >> + struct ata_host *host = dev_instance; >> + struct ahci_host_priv *hpriv; >> + unsigned int rc = 0; >> + void __iomem *mmio; >> + u32 irq_stat, irq_masked; >> + unsigned int handled = 1; >> + >> + VPRINTK("ENTER\n"); > > Come on. This VPRINK stuff is really pointless. Enable irq tracepoints, they > already track the enter/exit of interrupt handlers .... >
sure. waiting for some more comments if any. > Thanks, > > tglx > >
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