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32 lines
907 B
Diff
32 lines
907 B
Diff
From ace4e8240d581e6053f0165b2682a2db745d49dc Mon Sep 17 00:00:00 2001
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From: Giedrius <giedrius@blokas.io>
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Date: Fri, 12 Jul 2019 17:45:55 +0300
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Subject: [PATCH 706/806] Pisound: Remove spinlock usage around spi_sync
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---
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sound/soc/bcm/pisound.c | 5 -----
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1 file changed, 5 deletions(-)
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--- a/sound/soc/bcm/pisound.c
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+++ b/sound/soc/bcm/pisound.c
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@@ -286,9 +286,6 @@ static irqreturn_t data_available_interr
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return IRQ_HANDLED;
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}
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-static DEFINE_SPINLOCK(spilock);
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-static unsigned long spilockflags;
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-
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static uint16_t spi_transfer16(uint16_t val)
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{
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uint8_t txbuf[2];
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@@ -333,9 +330,7 @@ static void spi_transfer(const uint8_t *
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transfer.delay_usecs = 10;
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spi_message_add_tail(&transfer, &msg);
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- spin_lock_irqsave(&spilock, spilockflags);
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err = spi_sync(pisnd_spi_device, &msg);
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- spin_unlock_irqrestore(&spilock, spilockflags);
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if (err < 0) {
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printe("spi_sync error %d\n", err);
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