diff options
author | H Hartley Sweeten <hsweeten@visionengravers.com> | 2017-08-08 16:51:28 -0400 |
---|---|---|
committer | Mark Brown <broonie@kernel.org> | 2017-08-09 12:53:00 -0400 |
commit | ac8d06df9a1f40a9feb759dd7ef5664328ae7694 (patch) | |
tree | 0e36c55beb7ef965fc3b0b79daaed10847339d98 /drivers/spi/spi-ep93xx.c | |
parent | 16779622be1c8959d6a665e2b6886bb33885fcb1 (diff) |
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>
Diffstat (limited to 'drivers/spi/spi-ep93xx.c')
-rw-r--r-- | drivers/spi/spi-ep93xx.c | 32 |
1 files changed, 12 insertions, 20 deletions
diff --git a/drivers/spi/spi-ep93xx.c b/drivers/spi/spi-ep93xx.c index ce6ec164f2f2..041842e0d028 100644 --- a/drivers/spi/spi-ep93xx.c +++ b/drivers/spi/spi-ep93xx.c | |||
@@ -111,24 +111,6 @@ struct ep93xx_spi { | |||
111 | /* converts bits per word to CR0.DSS value */ | 111 | /* converts bits per word to CR0.DSS value */ |
112 | #define bits_per_word_to_dss(bpw) ((bpw) - 1) | 112 | #define bits_per_word_to_dss(bpw) ((bpw) - 1) |
113 | 113 | ||
114 | static void ep93xx_spi_enable_interrupts(const struct ep93xx_spi *espi) | ||
115 | { | ||
116 | u32 val; | ||
117 | |||
118 | val = readl(espi->mmio + SSPCR1); | ||
119 | val |= (SSPCR1_RORIE | SSPCR1_TIE | SSPCR1_RIE); | ||
120 | writel(val, espi->mmio + SSPCR1); | ||
121 | } | ||
122 | |||
123 | static void ep93xx_spi_disable_interrupts(const struct ep93xx_spi *espi) | ||
124 | { | ||
125 | u32 val; | ||
126 | |||
127 | val = readl(espi->mmio + SSPCR1); | ||
128 | val &= ~(SSPCR1_RORIE | SSPCR1_TIE | SSPCR1_RIE); | ||
129 | writel(val, espi->mmio + SSPCR1); | ||
130 | } | ||
131 | |||
132 | /** | 114 | /** |
133 | * ep93xx_spi_calc_divisors() - calculates SPI clock divisors | 115 | * ep93xx_spi_calc_divisors() - calculates SPI clock divisors |
134 | * @espi: ep93xx SPI controller struct | 116 | * @espi: ep93xx SPI controller struct |
@@ -282,7 +264,12 @@ static void ep93xx_spi_pio_transfer(struct ep93xx_spi *espi) | |||
282 | * FIFO, enable interrupts, and wait for the transfer to complete. | 264 | * FIFO, enable interrupts, and wait for the transfer to complete. |
283 | */ | 265 | */ |
284 | if (ep93xx_spi_read_write(espi)) { | 266 | if (ep93xx_spi_read_write(espi)) { |
285 | ep93xx_spi_enable_interrupts(espi); | 267 | u32 val; |
268 | |||
269 | val = readl(espi->mmio + SSPCR1); | ||
270 | val |= (SSPCR1_RORIE | SSPCR1_TIE | SSPCR1_RIE); | ||
271 | writel(val, espi->mmio + SSPCR1); | ||
272 | |||
286 | wait_for_completion(&espi->wait); | 273 | wait_for_completion(&espi->wait); |
287 | } | 274 | } |
288 | } | 275 | } |
@@ -604,6 +591,7 @@ static int ep93xx_spi_transfer_one_message(struct spi_master *master, | |||
604 | static irqreturn_t ep93xx_spi_interrupt(int irq, void *dev_id) | 591 | static irqreturn_t ep93xx_spi_interrupt(int irq, void *dev_id) |
605 | { | 592 | { |
606 | struct ep93xx_spi *espi = dev_id; | 593 | struct ep93xx_spi *espi = dev_id; |
594 | u32 val; | ||
607 | 595 | ||
608 | /* | 596 | /* |
609 | * If we got ROR (receive overrun) interrupt we know that something is | 597 | * 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) | |||
635 | * any case we disable interrupts and notify the worker to handle | 623 | * any case we disable interrupts and notify the worker to handle |
636 | * any post-processing of the message. | 624 | * any post-processing of the message. |
637 | */ | 625 | */ |
638 | ep93xx_spi_disable_interrupts(espi); | 626 | val = readl(espi->mmio + SSPCR1); |
627 | val &= ~(SSPCR1_RORIE | SSPCR1_TIE | SSPCR1_RIE); | ||
628 | writel(val, espi->mmio + SSPCR1); | ||
629 | |||
639 | complete(&espi->wait); | 630 | complete(&espi->wait); |
631 | |||
640 | return IRQ_HANDLED; | 632 | return IRQ_HANDLED; |
641 | } | 633 | } |
642 | 634 | ||