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From: Sinan Kaya <okaya@codeaurora.org>
To: Eric Auger <eric.auger@linaro.org>,
	dmaengine@vger.kernel.org, marc.zyngier@arm.com,
	mark.rutland@arm.com, timur@codeaurora.org,
	devicetree@vger.kernel.org, cov@codeaurora.org,
	vinod.koul@intel.com, jcm@redhat.com
Cc: shankerd@codeaurora.org, vikrams@codeaurora.org,
	agross@codeaurora.org, arnd@arndb.de,
	linux-arm-msm@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH V14 8/9] vfio, platform: add support for ACPI while detecting the reset driver
Date: Wed, 2 Mar 2016 13:34:35 -0500	[thread overview]
Message-ID: <56D7323B.4040100@codeaurora.org> (raw)
In-Reply-To: <56D08843.5020306@linaro.org>

On 2/26/2016 12:15 PM, Eric Auger wrote:
>> -module_init(reset ## _module_init);				\
>> > +#define module_vfio_reset_handler(compat, acpihid, reset)		\
>> > +MODULE_ALIAS("vfio-reset:" compat);					\
> Here you need to handle alias for hid case I think

I'm wondering what happens when Compat or ACPI string is NULL.

MODULE_ALIAS("vfio-reset:" NULL)

Would the kernel like it? 

I'd rather create an alias only when the string is not NULL. Given
this is a macro, I believe it won't work. 

Can you think of any other way in the code to create the alias?

-- 
Sinan Kaya
Qualcomm Technologies, Inc. on behalf of Qualcomm Innovation Center, Inc.
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project

WARNING: multiple messages have this Message-ID (diff)
From: okaya@codeaurora.org (Sinan Kaya)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH V14 8/9] vfio, platform: add support for ACPI while detecting the reset driver
Date: Wed, 2 Mar 2016 13:34:35 -0500	[thread overview]
Message-ID: <56D7323B.4040100@codeaurora.org> (raw)
In-Reply-To: <56D08843.5020306@linaro.org>

On 2/26/2016 12:15 PM, Eric Auger wrote:
>> -module_init(reset ## _module_init);				\
>> > +#define module_vfio_reset_handler(compat, acpihid, reset)		\
>> > +MODULE_ALIAS("vfio-reset:" compat);					\
> Here you need to handle alias for hid case I think

I'm wondering what happens when Compat or ACPI string is NULL.

MODULE_ALIAS("vfio-reset:" NULL)

Would the kernel like it? 

I'd rather create an alias only when the string is not NULL. Given
this is a macro, I believe it won't work. 

Can you think of any other way in the code to create the alias?

-- 
Sinan Kaya
Qualcomm Technologies, Inc. on behalf of Qualcomm Innovation Center, Inc.
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project

  parent reply	other threads:[~2016-03-02 18:34 UTC|newest]

Thread overview: 100+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-02-05  4:34 [PATCH V14 0/9] dma: add Qualcomm Technologies HIDMA driver Sinan Kaya
2016-02-05  4:34 ` Sinan Kaya
2016-02-05  4:34 ` [PATCH V14 1/9] dma: qcom_bam_dma: move to qcom directory Sinan Kaya
2016-02-05  4:34   ` Sinan Kaya
2016-03-11  2:13   ` Vinod Koul
2016-03-11  2:13     ` Vinod Koul
2016-02-05  4:34 ` [PATCH V14 2/9] dma: hidma: Add Device Tree binding Sinan Kaya
2016-02-05  4:34   ` Sinan Kaya
2016-02-05  4:34   ` Sinan Kaya
2016-03-11  2:16   ` Vinod Koul
2016-03-11  2:16     ` Vinod Koul
2016-02-05  4:34 ` [PATCH V14 3/9] dma: add Qualcomm Technologies HIDMA management driver Sinan Kaya
2016-02-05  4:34   ` Sinan Kaya
2016-03-11  2:16   ` Vinod Koul
2016-03-11  2:16     ` Vinod Koul
2016-02-05  4:34 ` [PATCH V14 4/9] dma: add Qualcomm Technologies HIDMA channel driver Sinan Kaya
2016-02-05  4:34   ` Sinan Kaya
     [not found]   ` <1454646882-24369-5-git-send-email-okaya-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2016-03-11  2:17     ` Vinod Koul
2016-03-11  2:17       ` Vinod Koul
2016-03-11  2:17       ` Vinod Koul
2016-02-05  4:34 ` [PATCH V14 5/9] dma: qcom_hidma: implement lower level hardware interface Sinan Kaya
2016-02-05  4:34   ` Sinan Kaya
2016-03-11  2:06   ` Vinod Koul
2016-03-11  2:06     ` Vinod Koul
2016-03-11  3:08     ` Okaya-sgV2jX0FEOL9JmXXK+q4OQ
2016-03-11  3:08       ` Okaya
2016-03-11  3:08       ` Okaya at codeaurora.org
2016-03-11 16:02     ` Sinan Kaya
2016-03-11 16:02       ` Sinan Kaya
     [not found]       ` <56E2EC1C.6040107-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2016-03-11 16:32         ` Vinod Koul
2016-03-11 16:32           ` Vinod Koul
2016-03-11 16:32           ` Vinod Koul
2016-03-11 16:44           ` Sinan Kaya
2016-03-11 16:44             ` Sinan Kaya
2016-03-11 19:29             ` Sinan Kaya
2016-03-11 19:29               ` Sinan Kaya
2016-03-11 21:59               ` Sinan Kaya
2016-03-11 21:59                 ` Sinan Kaya
2016-03-13 16:00                 ` Vinod Koul
2016-03-13 16:00                   ` Vinod Koul
2016-03-14 13:53                   ` Sinan Kaya
2016-03-14 13:53                     ` Sinan Kaya
2016-03-13 15:59               ` Vinod Koul
2016-03-13 15:59                 ` Vinod Koul
2016-03-14 13:56                 ` Sinan Kaya
2016-03-14 13:56                   ` Sinan Kaya
2016-02-05  4:34 ` [PATCH V14 6/9] dma: qcom_hidma: add debugfs hooks Sinan Kaya
2016-02-05  4:34   ` Sinan Kaya
2016-02-05  4:34 ` [PATCH V14 7/9] dma: qcom_hidma: add support for object hierarchy Sinan Kaya
2016-02-05  4:34   ` Sinan Kaya
2016-02-05  4:34 ` [PATCH V14 8/9] vfio, platform: add support for ACPI while detecting the reset driver Sinan Kaya
2016-02-05  4:34   ` Sinan Kaya
     [not found]   ` <1454646882-24369-9-git-send-email-okaya-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2016-02-26 16:24     ` Sinan Kaya
2016-02-26 16:24       ` Sinan Kaya
2016-02-26 16:24       ` Sinan Kaya
2016-02-26 17:15     ` Eric Auger
2016-02-26 17:15       ` Eric Auger
2016-02-26 17:15       ` Eric Auger
2016-02-26 19:21       ` Sinan Kaya
2016-02-26 19:21         ` Sinan Kaya
2016-03-02 18:34       ` Sinan Kaya [this message]
2016-03-02 18:34         ` Sinan Kaya
2016-03-03 23:14         ` Eric Auger
2016-03-03 23:14           ` Eric Auger
2016-03-04  5:20           ` Sinan Kaya
2016-03-04  5:20             ` Sinan Kaya
2016-03-07  4:09             ` Eric Auger
2016-03-07  4:09               ` Eric Auger
     [not found]               ` <56DCFEE0.6080101-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2016-03-07 15:30                 ` Sinan Kaya
2016-03-07 15:30                   ` Sinan Kaya
2016-03-07 15:30                   ` Sinan Kaya
2016-03-08  4:46                   ` Eric Auger
2016-03-08  4:46                     ` Eric Auger
2016-03-08  5:07                     ` Sinan Kaya
2016-03-08  5:07                       ` Sinan Kaya
2016-03-08 15:44                       ` Sinan Kaya
2016-03-08 15:44                         ` Sinan Kaya
2016-02-05  4:34 ` [PATCH V14 9/9] vfio, platform: add QTI HIDMA " Sinan Kaya
2016-02-05  4:34   ` Sinan Kaya
2016-02-26 17:52   ` Eric Auger
2016-02-26 17:52     ` Eric Auger
2016-02-26 19:05     ` Sinan Kaya
2016-02-26 19:05       ` Sinan Kaya
2016-02-08 10:14 ` [PATCH V14 0/9] dma: add Qualcomm Technologies HIDMA driver Christoffer Dall
2016-02-08 10:14   ` Christoffer Dall
2016-02-08 14:24   ` Sinan Kaya
2016-02-08 14:24     ` Sinan Kaya
2016-02-08 17:00     ` Christoffer Dall
2016-02-08 17:00       ` Christoffer Dall
2016-02-26 16:21 ` Sinan Kaya
2016-02-26 16:21   ` Sinan Kaya
2016-02-26 16:52   ` Timur Tabi
2016-02-26 16:52     ` Timur Tabi
2016-03-02 18:40     ` Sinan Kaya
2016-03-02 18:40       ` Sinan Kaya
     [not found]       ` <56D733BA.6030203-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2016-03-03  3:44         ` Vinod Koul
2016-03-03  3:44           ` Vinod Koul
2016-03-03  3:44           ` Vinod Koul
2016-03-03 15:22           ` Sinan Kaya
2016-03-03 15:22             ` Sinan Kaya

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