diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-10-27 13:37:40 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-10-27 13:37:40 -0300 |
commit | badc0e42604c4465facd81d2323e98b3b1eb9188 (patch) | |
tree | e61811e7ddf70517f4b546d522ba3b630b38f50f /drivers/spi | |
parent | f19866e5cb04f8f007cb422132ea4611cdacc8e3 (diff) |
Linux-libre 4.2.4-gnupck-4.2.4-gnu
Diffstat (limited to 'drivers/spi')
-rw-r--r-- | drivers/spi/spi-bcm2835.c | 6 | ||||
-rw-r--r-- | drivers/spi/spi-pxa2xx.c | 4 | ||||
-rw-r--r-- | drivers/spi/spi-xtensa-xtfpga.c | 4 | ||||
-rw-r--r-- | drivers/spi/spi.c | 3 | ||||
-rw-r--r-- | drivers/spi/spidev.c | 3 |
5 files changed, 12 insertions, 8 deletions
diff --git a/drivers/spi/spi-bcm2835.c b/drivers/spi/spi-bcm2835.c index c9357bb39..744596464 100644 --- a/drivers/spi/spi-bcm2835.c +++ b/drivers/spi/spi-bcm2835.c @@ -386,14 +386,14 @@ static bool bcm2835_spi_can_dma(struct spi_master *master, /* otherwise we only allow transfers within the same page * to avoid wasting time on dma_mapping when it is not practical */ - if (((size_t)tfr->tx_buf & PAGE_MASK) + tfr->len > PAGE_SIZE) { + if (((size_t)tfr->tx_buf & (PAGE_SIZE - 1)) + tfr->len > PAGE_SIZE) { dev_warn_once(&spi->dev, "Unaligned spi tx-transfer bridging page\n"); return false; } - if (((size_t)tfr->rx_buf & PAGE_MASK) + tfr->len > PAGE_SIZE) { + if (((size_t)tfr->rx_buf & (PAGE_SIZE - 1)) + tfr->len > PAGE_SIZE) { dev_warn_once(&spi->dev, - "Unaligned spi tx-transfer bridging page\n"); + "Unaligned spi rx-transfer bridging page\n"); return false; } diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c index 7293d6d87..8e4b1a7c3 100644 --- a/drivers/spi/spi-pxa2xx.c +++ b/drivers/spi/spi-pxa2xx.c @@ -643,6 +643,10 @@ static irqreturn_t ssp_int(int irq, void *dev_id) if (!(sccr1_reg & SSCR1_TIE)) mask &= ~SSSR_TFS; + /* Ignore RX timeout interrupt if it is disabled */ + if (!(sccr1_reg & SSCR1_TINTE)) + mask &= ~SSSR_TINT; + if (!(status & mask)) return IRQ_NONE; diff --git a/drivers/spi/spi-xtensa-xtfpga.c b/drivers/spi/spi-xtensa-xtfpga.c index 2e32ea2f1..be6155cba 100644 --- a/drivers/spi/spi-xtensa-xtfpga.c +++ b/drivers/spi/spi-xtensa-xtfpga.c @@ -34,13 +34,13 @@ struct xtfpga_spi { static inline void xtfpga_spi_write32(const struct xtfpga_spi *spi, unsigned addr, u32 val) { - iowrite32(val, spi->regs + addr); + __raw_writel(val, spi->regs + addr); } static inline unsigned int xtfpga_spi_read32(const struct xtfpga_spi *spi, unsigned addr) { - return ioread32(spi->regs + addr); + return __raw_readl(spi->regs + addr); } static inline void xtfpga_spi_wait_busy(struct xtfpga_spi *xspi) diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index cf8b91b23..9ce2f156d 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -1437,8 +1437,7 @@ static struct class spi_master_class = { * * The caller is responsible for assigning the bus number and initializing * the master's methods before calling spi_register_master(); and (after errors - * adding the device) calling spi_master_put() and kfree() to prevent a memory - * leak. + * adding the device) calling spi_master_put() to prevent a memory leak. */ struct spi_master *spi_alloc_master(struct device *dev, unsigned size) { diff --git a/drivers/spi/spidev.c b/drivers/spi/spidev.c index c7de64171..97aad8f91 100644 --- a/drivers/spi/spidev.c +++ b/drivers/spi/spidev.c @@ -651,7 +651,8 @@ static int spidev_release(struct inode *inode, struct file *filp) kfree(spidev->rx_buffer); spidev->rx_buffer = NULL; - spidev->speed_hz = spidev->spi->max_speed_hz; + if (spidev->spi) + spidev->speed_hz = spidev->spi->max_speed_hz; /* ... after we unbound from the underlying device? */ spin_lock_irq(&spidev->spi_lock); |