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@@ -111,24 +111,6 @@ struct ep93xx_spi {
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/* converts bits per word to CR0.DSS value */
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#define bits_per_word_to_dss(bpw) ((bpw) - 1)
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-static void ep93xx_spi_enable_interrupts(const struct ep93xx_spi *espi)
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-{
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- u32 val;
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-
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- val = readl(espi->mmio + SSPCR1);
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- val |= (SSPCR1_RORIE | SSPCR1_TIE | SSPCR1_RIE);
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- writel(val, espi->mmio + SSPCR1);
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-}
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-
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-static void ep93xx_spi_disable_interrupts(const struct ep93xx_spi *espi)
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-{
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- u32 val;
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-
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- val = readl(espi->mmio + SSPCR1);
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- val &= ~(SSPCR1_RORIE | SSPCR1_TIE | SSPCR1_RIE);
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- writel(val, espi->mmio + SSPCR1);
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-}
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-
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/**
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* ep93xx_spi_calc_divisors() - calculates SPI clock divisors
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* @espi: ep93xx SPI controller struct
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@@ -282,7 +264,12 @@ static void ep93xx_spi_pio_transfer(struct ep93xx_spi *espi)
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* FIFO, enable interrupts, and wait for the transfer to complete.
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*/
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if (ep93xx_spi_read_write(espi)) {
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- ep93xx_spi_enable_interrupts(espi);
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+ u32 val;
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+
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+ val = readl(espi->mmio + SSPCR1);
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+ val |= (SSPCR1_RORIE | SSPCR1_TIE | SSPCR1_RIE);
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+ writel(val, espi->mmio + SSPCR1);
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+
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wait_for_completion(&espi->wait);
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}
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}
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@@ -604,6 +591,7 @@ static int ep93xx_spi_transfer_one_message(struct spi_master *master,
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static irqreturn_t ep93xx_spi_interrupt(int irq, void *dev_id)
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{
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struct ep93xx_spi *espi = dev_id;
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+ u32 val;
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/*
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* If we got ROR (receive overrun) interrupt we know that something is
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@@ -635,8 +623,12 @@ static irqreturn_t ep93xx_spi_interrupt(int irq, void *dev_id)
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* any case we disable interrupts and notify the worker to handle
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* any post-processing of the message.
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*/
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- ep93xx_spi_disable_interrupts(espi);
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+ val = readl(espi->mmio + SSPCR1);
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+ val &= ~(SSPCR1_RORIE | SSPCR1_TIE | SSPCR1_RIE);
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+ writel(val, espi->mmio + SSPCR1);
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+
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complete(&espi->wait);
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+
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return IRQ_HANDLED;
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}
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