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| author | Simon Glass <sjg@chromium.org> | 2013-03-18 19:23:40 +0000 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2013-03-19 08:45:36 -0700 |
| commit | d3504fee73ec626117427afa08116d1dde21ba9d (patch) | |
| tree | 04b3d508a3ce15c1e67baf76cf964aedf3c559a7 /drivers/spi/omap3_spi.c | |
| parent | ba6c3ce9bd0ac572592dc909878117dce219c564 (diff) | |
| download | u-boot-imx-d3504fee73ec626117427afa08116d1dde21ba9d.zip u-boot-imx-d3504fee73ec626117427afa08116d1dde21ba9d.tar.gz u-boot-imx-d3504fee73ec626117427afa08116d1dde21ba9d.tar.bz2 | |
spi: Use spi_alloc_slave() in each SPI driver
Rather than each driver having its own way to allocate a SPI slave,
use the new allocation function everywhere. This will make it easier
to extend the interface without breaking drivers.
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers/spi/omap3_spi.c')
| -rw-r--r-- | drivers/spi/omap3_spi.c | 27 |
1 files changed, 14 insertions, 13 deletions
diff --git a/drivers/spi/omap3_spi.c b/drivers/spi/omap3_spi.c index 344d5b8..80a4e47 100644 --- a/drivers/spi/omap3_spi.c +++ b/drivers/spi/omap3_spi.c @@ -80,12 +80,7 @@ struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs, unsigned int max_hz, unsigned int mode) { struct omap3_spi_slave *ds; - - ds = malloc(sizeof(struct omap3_spi_slave)); - if (!ds) { - printf("SPI error: malloc of SPI structure failed\n"); - return NULL; - } + struct mcspi *regs; /* * OMAP3 McSPI (MultiChannel SPI) has 4 busses (modules) @@ -98,21 +93,21 @@ struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs, switch (bus) { case 0: - ds->regs = (struct mcspi *)OMAP3_MCSPI1_BASE; + regs = (struct mcspi *)OMAP3_MCSPI1_BASE; break; #ifdef OMAP3_MCSPI2_BASE case 1: - ds->regs = (struct mcspi *)OMAP3_MCSPI2_BASE; + regs = (struct mcspi *)OMAP3_MCSPI2_BASE; break; #endif #ifdef OMAP3_MCSPI3_BASE case 2: - ds->regs = (struct mcspi *)OMAP3_MCSPI3_BASE; + regs = (struct mcspi *)OMAP3_MCSPI3_BASE; break; #endif #ifdef OMAP3_MCSPI4_BASE case 3: - ds->regs = (struct mcspi *)OMAP3_MCSPI4_BASE; + regs = (struct mcspi *)OMAP3_MCSPI4_BASE; break; #endif default: @@ -120,7 +115,6 @@ struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs, Supported busses 0 - 3\n", bus); return NULL; } - ds->slave.bus = bus; if (((bus == 0) && (cs > 3)) || ((bus == 1) && (cs > 1)) || @@ -130,19 +124,26 @@ struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs, on bus %i\n", cs, bus); return NULL; } - ds->slave.cs = cs; if (max_hz > OMAP3_MCSPI_MAX_FREQ) { printf("SPI error: unsupported frequency %i Hz. \ Max frequency is 48 Mhz\n", max_hz); return NULL; } - ds->freq = max_hz; if (mode > SPI_MODE_3) { printf("SPI error: unsupported SPI mode %i\n", mode); return NULL; } + + ds = spi_alloc_slave(struct omap3_spi_slave, bus, cs); + if (!ds) { + printf("SPI error: malloc of SPI structure failed\n"); + return NULL; + } + + ds->regs = regs; + ds->freq = max_hz; ds->mode = mode; return &ds->slave; |