Re: [PATCH] [SCSI] pm8001: fix endian issue with code optimization.

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ACK

Sincerely -- Mark Salyzyn

On Mar 7, 2012, at 12:24 PM, santosh prasad nayak wrote:

> Following the are the changes as suggested by you. Please let me know
> if anymore changes are required
> so that I can send a formal patch for it.  The below patch is just for
> review not a formal one.
> 
> 
> diff --git a/drivers/scsi/pm8001/pm8001_hwi.c b/drivers/scsi/pm8001/pm8001_hwi.c
> index 597593b..3976fab 100644
> --- a/drivers/scsi/pm8001/pm8001_hwi.c
> +++ b/drivers/scsi/pm8001/pm8001_hwi.c
> @@ -3150,7 +3150,7 @@ mpi_fw_flash_update_resp(struct pm8001_hba_info
> *pm8001_ha, void *piomb)
>        struct fw_control_ex    fw_control_context;
>        struct fw_flash_Update_resp *ppayload =
>                (struct fw_flash_Update_resp *)(piomb + 4);
> -       u32 tag = ppayload->tag;
> +       u32 tag = le32_to_cpu(ppayload->tag);
>        struct pm8001_ccb_info *ccb = &pm8001_ha->ccb_info[tag];
>        status = le32_to_cpu(ppayload->status);
>        memcpy(&fw_control_context,
> @@ -3496,8 +3496,8 @@ static int mpi_hw_event(struct pm8001_hba_info
> *pm8001_ha, void* piomb)
>  */
> static void process_one_iomb(struct pm8001_hba_info *pm8001_ha, void *piomb)
> {
> -       u32 pHeader = (u32)*(u32 *)piomb;
> -       u8 opc = (u8)(pHeader & 0xFFF);
> +       __le32 pHeader = (__le32)*(__le32 *)piomb;
> +       u8 opc = (u8)((le32_to_cpu(pHeader)) & 0xFFF);
> 
>        PM8001_MSG_DBG(pm8001_ha, pm8001_printk("process_one_iomb:"));
> 
> diff --git a/drivers/scsi/pm8001/pm8001_hwi.h b/drivers/scsi/pm8001/pm8001_hwi.h
> index 1a4611e..d437309 100644
> --- a/drivers/scsi/pm8001/pm8001_hwi.h
> +++ b/drivers/scsi/pm8001/pm8001_hwi.h
> @@ -599,7 +599,7 @@ struct fw_flash_Update_req {
>  *
>  */
> struct fw_flash_Update_resp {
> -       dma_addr_t      tag;
> +       __le32  tag;
>        __le32  status;
>        u32     reserved[13];
> } __attribute__((packed, aligned(4)));
> 
> 
> 
> 
> 
> Regards
> Santosh
--
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