spi: spi-ep93xx: absorb the interrupt enable/disable helpers
These are each only called once. Just absorb them into the callers.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
[chris: use u32 instead of unsigned int]
Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/drivers/spi/spi-ep93xx.c b/drivers/spi/spi-ep93xx.c
index ce6ec16..041842e 100644
--- a/drivers/spi/spi-ep93xx.c
+++ b/drivers/spi/spi-ep93xx.c
@@ -111,24 +111,6 @@ struct ep93xx_spi {
/* converts bits per word to CR0.DSS value */
#define bits_per_word_to_dss(bpw) ((bpw) - 1)
-static void ep93xx_spi_enable_interrupts(const struct ep93xx_spi *espi)
-{
- u32 val;
-
- val = readl(espi->mmio + SSPCR1);
- val |= (SSPCR1_RORIE | SSPCR1_TIE | SSPCR1_RIE);
- writel(val, espi->mmio + SSPCR1);
-}
-
-static void ep93xx_spi_disable_interrupts(const struct ep93xx_spi *espi)
-{
- u32 val;
-
- val = readl(espi->mmio + SSPCR1);
- val &= ~(SSPCR1_RORIE | SSPCR1_TIE | SSPCR1_RIE);
- writel(val, espi->mmio + SSPCR1);
-}
-
/**
* ep93xx_spi_calc_divisors() - calculates SPI clock divisors
* @espi: ep93xx SPI controller struct
@@ -282,7 +264,12 @@ static void ep93xx_spi_pio_transfer(struct ep93xx_spi *espi)
* FIFO, enable interrupts, and wait for the transfer to complete.
*/
if (ep93xx_spi_read_write(espi)) {
- ep93xx_spi_enable_interrupts(espi);
+ u32 val;
+
+ val = readl(espi->mmio + SSPCR1);
+ val |= (SSPCR1_RORIE | SSPCR1_TIE | SSPCR1_RIE);
+ writel(val, espi->mmio + SSPCR1);
+
wait_for_completion(&espi->wait);
}
}
@@ -604,6 +591,7 @@ static int ep93xx_spi_transfer_one_message(struct spi_master *master,
static irqreturn_t ep93xx_spi_interrupt(int irq, void *dev_id)
{
struct ep93xx_spi *espi = dev_id;
+ u32 val;
/*
* If we got ROR (receive overrun) interrupt we know that something is
@@ -635,8 +623,12 @@ static irqreturn_t ep93xx_spi_interrupt(int irq, void *dev_id)
* any case we disable interrupts and notify the worker to handle
* any post-processing of the message.
*/
- ep93xx_spi_disable_interrupts(espi);
+ val = readl(espi->mmio + SSPCR1);
+ val &= ~(SSPCR1_RORIE | SSPCR1_TIE | SSPCR1_RIE);
+ writel(val, espi->mmio + SSPCR1);
+
complete(&espi->wait);
+
return IRQ_HANDLED;
}