Re: [PATCH v2 17/17] scsi: ufs-qcom: fix compilation warnings

From: ygardi
Date: Tue Oct 27 2015 - 06:10:55 EST


> On 10/26/2015 08:41 AM, Yaniv Gardi wrote:
>> Tnis patch fixes the following compilation warnings:
>> ...ufs-qcom.c:1201:40:
>> warning: incorrect type in argument 1 (different address spaces)
>> ...ufs-qcom.c:1201:40:
>> expected void const *ptr
>> ...ufs-qcom.c:1201:40:
>> got void [noderef] <asn:2>*dev_ref_clk_ctrl_mmio
>> ...ufs-qcom.c:1207:53:
>> warning: incorrect type in argument 1 (different address spaces)
>> ...ufs-qcom.c:1207:53:
>> expected void const *ptr
>> ...ufs-qcom.c:1207:53:
>> got void [noderef] <asn:2>*dev_ref_clk_ctrl_mmio
>>
>> Signed-off-by: Yaniv Gardi <ygardi@xxxxxxxxxxxxxx>
>>
>> ---
>
> What version of sparse do you use? You shouldn't need to do this.
>

i just updated my sparse to the newest -
so i'm using sparse 0.4.4
and the command i use is:
make ARCH=arm C=1 CF="-Wsparse-all"
and i still get all the warnings.
with my patch, the are no warnings.


>> drivers/scsi/ufs/ufs-qcom.c | 9 +++++----
>> 1 file changed, 5 insertions(+), 4 deletions(-)
>>
>> diff --git a/drivers/scsi/ufs/ufs-qcom.c b/drivers/scsi/ufs/ufs-qcom.c
>> index 72b0ef7..b57f88a 100644
>> --- a/drivers/scsi/ufs/ufs-qcom.c
>> +++ b/drivers/scsi/ufs/ufs-qcom.c
>> @@ -1226,11 +1226,12 @@ static int ufs_qcom_init(struct ufs_hba *hba)
>> if (res) {
>> host->dev_ref_clk_ctrl_mmio =
>> devm_ioremap_resource(dev, res);
>> - if (IS_ERR(host->dev_ref_clk_ctrl_mmio)) {
>> - dev_warn(dev,
>> - "%s: could not map dev_ref_clk_ctrl_mmio, err %ld\n",
>> + if (IS_ERR((__force void const *)
>> + host->dev_ref_clk_ctrl_mmio)) {
>> + dev_warn(dev, "%s: could not map dev_ref_clk_ctrl_mmio, err %ld\n",
>> __func__,
>> - PTR_ERR(host->dev_ref_clk_ctrl_mmio));
>> + PTR_ERR((__force void const *)
>> + host->dev_ref_clk_ctrl_mmio));
>> host->dev_ref_clk_ctrl_mmio = NULL;
>> }
>> host->dev_ref_clk_en_mask = BIT(5);
>
>
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