linux-kernel - Re: [PATCH v2 7/8] scsi: ufs-qcom: add debug prints for test bus

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Date:	Fri, 21 Aug 2015 22:23:30 -0000
From:	ygardi@...eaurora.org
To:	"Akinobu Mita" <akinobu.mita@...il.com>
Cc:	"Yaniv Gardi" <ygardi@...eaurora.org>,
	"Rob Herring" <robherring2@...il.com>,
	"Jej B" <james.bottomley@...senpartnership.com>,
	"Paul Bolle" <pebolle@...cali.nl>,
	"Christoph Hellwig" <hch@...radead.org>,
	"LKML" <linux-kernel@...r.kernel.org>,
	"linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>,
	linux-arm-msm@...r.kernel.org, "Santosh Y" <santoshsy@...il.com>,
	linux-scsi-owner@...r.kernel.org,
	"Subhash Jadavani" <subhashj@...eaurora.org>,
	"Gilad Broner" <gbroner@...eaurora.org>,
	"Dolev Raviv" <draviv@...eaurora.org>,
	"Vinayak Holikatti" <vinholikatti@...il.com>,
	"James E.J. Bottomley" <jbottomley@...n.com>
Subject: Re: [PATCH v2 7/8] scsi: ufs-qcom: add debug prints for test bus

> 2015-08-20 22:59 GMT+09:00 Yaniv Gardi <ygardi@...eaurora.org>:
>> @@ -30,6 +48,14 @@ static void ufs_qcom_get_speed_mode(struct
>> ufs_pa_layer_attr *p, char *result);
>>  static int ufs_qcom_get_bus_vote(struct ufs_qcom_host *host,
>>                 const char *speed_mode);
>>  static int ufs_qcom_set_bus_vote(struct ufs_qcom_host *host, int vote);
>> +static void ufs_qcom_get_default_testbus_cfg(struct ufs_qcom_host
>> *host);
>> +static void ufs_qcom_dump_regs(struct ufs_hba *hba, int offset, int
>> len,
>> +               char *prefix)
>> +{
>> +       print_hex_dump(KERN_ERR, prefix,
>> +                       len > 4 ? DUMP_PREFIX_OFFSET : DUMP_PREFIX_NONE,
>> +                       16, 4, hba->mmio_base + offset, len * 4, false);
>> +}
>
> This causes a sparse warning as __iomem pointer is passed to
> print_hex_dump().

indeed.
any suggestions how it can be fixed ? I guess I shall try casting.

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