On Tue, 2015-11-24 at 16:17 +0800, Ching Huang wrote:
> From: Ching Huang <[email protected]>
>
> Support areca new PCIe to SATA RAID adapter ARC1203
Why add the dma_free_coherent to an old data path?
Is that a general bug fix that should be backported?
btw: the printk above the dma_free_coherent use
shouldn't use a \ line continuation.
it adds undesired whitespace to the format.
> diff -uprN a/drivers/scsi/arcmsr/arcmsr_hba.c
> b/drivers/scsi/arcmsr/arcmsr_hba.c
[]
> @@ -2660,10 +2670,19 @@ static bool arcmsr_hbaB_get_config(struc
> iop_firm_version = (char __iomem *)(®->message_rwbuffer[17]);> >
> /*firm_version,17,68-83*/
> iop_device_map = (char __iomem *)(®->message_rwbuffer[21]);> >
> /*firm_version,21,84-99*/
>
> + arcmsr_wait_firmware_ready(acb);
> + writel(ARCMSR_MESSAGE_START_DRIVER_MODE, reg->drv2iop_doorbell);
> + if (!arcmsr_hbaB_wait_msgint_ready(acb)) {
> + printk(KERN_ERR "arcmsr%d: can't set driver mode.\n",
> acb->host->host_no);
> + goto gcfg1;
> + }
> writel(ARCMSR_MESSAGE_GET_CONFIG, reg->drv2iop_doorbell);
> if (!arcmsr_hbaB_wait_msgint_ready(acb)) {
> printk(KERN_NOTICE "arcmsr%d: wait 'get adapter firmware \
> miscellaneous data' timeout \n", acb->host->host_no);
> +gcfg1:
> + dma_free_coherent(&acb->pdev->dev, acb->roundup_ccbsize,
> + acb->dma_coherent2, acb->dma_coherent_handle2);
> return false;
> }
> count = 8;
--
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