summaryrefslogtreecommitdiffstats
path: root/drivers/spi/omap2_mcspi.c
diff options
context:
space:
mode:
authorIngo Molnar <mingo@elte.hu>2010-04-02 20:02:55 +0200
committerIngo Molnar <mingo@elte.hu>2010-04-02 20:03:08 +0200
commitc9494727cf293ae2ec66af57547a3e79c724fec2 (patch)
tree44ae197b64fa7530ee695a90ad31326dda06f1e1 /drivers/spi/omap2_mcspi.c
parent6427462bfa50f50dc6c088c07037264fcc73eca1 (diff)
parent42be79e37e264557f12860fa4cc84b4de3685954 (diff)
downloadkernel-crypto-c9494727cf293ae2ec66af57547a3e79c724fec2.tar.gz
kernel-crypto-c9494727cf293ae2ec66af57547a3e79c724fec2.tar.xz
kernel-crypto-c9494727cf293ae2ec66af57547a3e79c724fec2.zip
Merge branch 'linus' into sched/core
Merge reason: update to latest upstream Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/spi/omap2_mcspi.c')
-rw-r--r--drivers/spi/omap2_mcspi.c20
1 files changed, 13 insertions, 7 deletions
diff --git a/drivers/spi/omap2_mcspi.c b/drivers/spi/omap2_mcspi.c
index bf5f95a1941..4dd786b99b8 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,