A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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Merge branch 'merge' of git://git.secretlab.ca/git/linux-2.6

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* 'merge' of git://git.secretlab.ca/git/linux-2.6:
  powerpc/5200: Build fix for mpc52xx watchdog timer code
  of: Fix comparison of "compatible" properties
  powerpc/52xx: update defconfigs
  spi/omap2_mcspi: Use transaction speed if provided
  spi/omap2_mcspi: fix NULL pointer dereference
  uartlite: Fix build on sparc.
This commit is contained in:
Linus Torvalds 2010-03-18 17:01:19 -07:00
commit 9d20593a72
10 changed files with 183 additions and 119 deletions
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18
drivers/spi/omap2_mcspi.c
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@ -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);