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 | |
| 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>
| -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 | ||
