linux-kernel - [PATCH 1/7] ASoC: amd: No need PCI-MSI interrupts

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Date:   Tue, 1 Oct 2019 06:28:09 +0530
From:   Ravulapati Vishnu vardhan rao 
        <Vishnuvardhanrao.Ravulapati@....com>
To:     unlisted-recipients:; (no To-header on input)
CC:     <Alexander.Deucher@....com>,
        Ravulapati Vishnu vardhan rao 
        <Vishnuvardhanrao.Ravulapati@....com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Jaroslav Kysela <perex@...ex.cz>,
        "Takashi Iwai" <tiwai@...e.com>,
        Vijendar Mukunda <Vijendar.Mukunda@....com>,
        "Maruthi Srinivas Bayyavarapu" <Maruthi.Bayyavarapu@....com>,
        Alex Deucher <alexander.deucher@....com>,
        Colin Ian King <colin.king@...onical.com>,
        "Dan Carpenter" <dan.carpenter@...cle.com>,
        "moderated list:SOUND - SOC LAYER / DYNAMIC AUDIO POWER MANAGEM..." 
        <alsa-devel@...a-project.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: [PATCH 1/7] ASoC: amd: No need PCI-MSI interrupts

ACP-PCI controller driver does not depends msi interrupts.
So removed msi related pci functions which have no
use and does not impact on existing functionality.

Signed-off-by: Ravulapati Vishnu vardhan rao <Vishnuvardhanrao.Ravulapati@....com>
---
 sound/soc/amd/raven/pci-acp3x.c | 11 +----------
 1 file changed, 1 insertion(+), 10 deletions(-)

diff --git a/sound/soc/amd/raven/pci-acp3x.c b/sound/soc/amd/raven/pci-acp3x.c
index facec24..8f6bf00 100644
--- a/sound/soc/amd/raven/pci-acp3x.c
+++ b/sound/soc/amd/raven/pci-acp3x.c
@@ -46,14 +46,7 @@ static int snd_acp3x_probe(struct pci_dev *pci,
 		goto release_regions;
 	}
 
-	/* check for msi interrupt support */
-	ret = pci_enable_msi(pci);
-	if (ret)
-		/* msi is not enabled */
-		irqflags = IRQF_SHARED;
-	else
-		/* msi is enabled */
-		irqflags = 0;
+	irqflags = 0;
 
 	addr = pci_resource_start(pci, 0);
 	adata->acp3x_base = ioremap(addr, pci_resource_len(pci, 0));
@@ -112,7 +105,6 @@ static int snd_acp3x_probe(struct pci_dev *pci,
 	return 0;
 
 unmap_mmio:
-	pci_disable_msi(pci);
 	iounmap(adata->acp3x_base);
 release_regions:
 	pci_release_regions(pci);
@@ -129,7 +121,6 @@ static void snd_acp3x_remove(struct pci_dev *pci)
 	platform_device_unregister(adata->pdev);
 	iounmap(adata->acp3x_base);
 
-	pci_disable_msi(pci);
 	pci_release_regions(pci);
 	pci_disable_device(pci);
 }
-- 
2.7.4