linux-kernel - [PATCH v3 2/5] ALSA: emu10k1: use dma_set_mask_and

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Date:   Wed, 14 Feb 2018 00:05:16 +0100
From:   "Maciej S. Szmigiero" <mail@...iej.szmigiero.name>
To:     Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>
Cc:     linux-kernel <linux-kernel@...r.kernel.org>,
        alsa-devel@...a-project.org
Subject: [PATCH v3 2/5] ALSA: emu10k1: use dma_set_mask_and_coherent()

We have been calling dma_set_mask() and then dma_set_coherent_mask() with
the same value, but there is a dma_set_mask_and_coherent() function that
does exactly that so let's use it instead.

Signed-off-by: Maciej S. Szmigiero <mail@...iej.szmigiero.name>
---
Changes from v1, v2: None in this patch.

 sound/pci/emu10k1/emu10k1_main.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/sound/pci/emu10k1/emu10k1_main.c b/sound/pci/emu10k1/emu10k1_main.c
index a0a4d31ded53..11e868f569d6 100644
--- a/sound/pci/emu10k1/emu10k1_main.c
+++ b/sound/pci/emu10k1/emu10k1_main.c
@@ -1871,8 +1871,7 @@ int snd_emu10k1_create(struct snd_card *card,
 	emu->address_mode = is_audigy ? 0 : 1;
 	/* set the DMA transfer mask */
 	emu->dma_mask = emu->address_mode ? EMU10K1_DMA_MASK : AUDIGY_DMA_MASK;
-	if (dma_set_mask(&pci->dev, emu->dma_mask) < 0 ||
-	    dma_set_coherent_mask(&pci->dev, emu->dma_mask) < 0) {
+	if (dma_set_mask_and_coherent(&pci->dev, emu->dma_mask) < 0) {
 		dev_err(card->dev,
 			"architecture does not support PCI busmaster DMA with mask 0x%lx\n",
 			emu->dma_mask);