diff options
Diffstat (limited to 'drivers/spi')
| -rw-r--r-- | drivers/spi/Kconfig | 2 | ||||
| -rw-r--r-- | drivers/spi/omap2_mcspi.c | 20 | ||||
| -rw-r--r-- | drivers/spi/spi_s3c24xx.c | 2 |
3 files changed, 15 insertions, 9 deletions
diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig index 0fee95cd9a49..a191fa2be7c5 100644 --- a/drivers/spi/Kconfig +++ b/drivers/spi/Kconfig @@ -181,7 +181,7 @@ config SPI_OMAP_UWIRE config SPI_OMAP24XX tristate "McSPI driver for OMAP24xx/OMAP34xx" - depends on ARCH_OMAP24XX || ARCH_OMAP34XX + depends on ARCH_OMAP2 || ARCH_OMAP3 help SPI master controller for OMAP24xx/OMAP34xx Multichannel SPI (McSPI) modules. diff --git a/drivers/spi/omap2_mcspi.c b/drivers/spi/omap2_mcspi.c index bf5f95a19413..4dd786b99b8b 100644 --- a/drivers/spi/omap2_mcspi.c +++ b/drivers/spi/omap2_mcspi.c @@ -578,6 +578,7 @@ static int omap2_mcspi_setup_transfer(struct spi_device *spi, struct spi_master *spi_cntrl; u32 l = 0, div = 0; u8 word_len = spi->bits_per_word; + u32 speed_hz = spi->max_speed_hz; mcspi = spi_master_get_devdata(spi->master); spi_cntrl = mcspi->master; @@ -587,9 +588,12 @@ static int omap2_mcspi_setup_transfer(struct spi_device *spi, cs->word_len = word_len; - if (spi->max_speed_hz) { + if (t && t->speed_hz) + speed_hz = t->speed_hz; + + if (speed_hz) { while (div <= 15 && (OMAP2_MCSPI_MAX_FREQ / (1 << div)) - > spi->max_speed_hz) + > speed_hz) div++; } else div = 15; @@ -751,11 +755,13 @@ static void omap2_mcspi_cleanup(struct spi_device *spi) mcspi = spi_master_get_devdata(spi->master); mcspi_dma = &mcspi->dma_channels[spi->chip_select]; - /* Unlink controller state from context save list */ - cs = spi->controller_state; - list_del(&cs->node); + if (spi->controller_state) { + /* Unlink controller state from context save list */ + cs = spi->controller_state; + list_del(&cs->node); - kfree(spi->controller_state); + kfree(spi->controller_state); + } if (mcspi_dma->dma_rx_channel != -1) { omap_free_dma(mcspi_dma->dma_rx_channel); @@ -1014,7 +1020,7 @@ static u8 __initdata spi2_txdma_id[] = { OMAP24XX_DMA_SPI2_TX1, }; -#if defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP34XX) \ +#if defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP3) \ || defined(CONFIG_ARCH_OMAP4) static u8 __initdata spi3_rxdma_id[] = { OMAP24XX_DMA_SPI3_RX0, diff --git a/drivers/spi/spi_s3c24xx.c b/drivers/spi/spi_s3c24xx.c index c010733877ae..1fabede9e061 100644 --- a/drivers/spi/spi_s3c24xx.c +++ b/drivers/spi/spi_s3c24xx.c @@ -275,7 +275,7 @@ static inline u32 ack_bit(unsigned int irq) * Claim the FIQ handler (only one can be active at any one time) and * then setup the correct transfer code for this transfer. * - * This call updates all the necessary state information if sucessful, + * This call updates all the necessary state information if successful, * so the caller does not need to do anything more than start the transfer * as normal, since the IRQ will have been re-routed to the FIQ handler. */ |