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authorLinus Torvalds <torvalds@linux-foundation.org>2011-01-07 17:08:46 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2011-01-07 17:08:46 -0800
commit021db8e2bde53024a163fb4417a185de46fe77aa (patch)
tree098a28bd2414ea2622493a1736a677dab5085dfc /drivers/spi/spi_imx.c
parent72eb6a791459c87a0340318840bb3bd9252b627b (diff)
parent07fe0351702b6f0c9749e80cdbcb758686b0fe9b (diff)
Merge branch 'next-spi' of git://git.secretlab.ca/git/linux-2.6
* 'next-spi' of git://git.secretlab.ca/git/linux-2.6: (77 commits) spi/omap: Fix DMA API usage in OMAP MCSPI driver spi/imx: correct the test on platform_get_irq() return value spi/topcliff: Typo fix threhold to threshold spi/dw_spi Typo change diable to disable. spi/fsl_espi: change the read behaviour of the SPIRF spi/mpc52xx-psc-spi: move probe/remove to proper sections spi/dw_spi: add DMA support spi/dw_spi: change to EXPORT_SYMBOL_GPL for exported APIs spi/dw_spi: Fix too short timeout in spi polling loop spi/pl022: convert running variable spi/pl022: convert busy flag to a bool spi/pl022: pass the returned sglen to the DMA engine spi/pl022: map the buffers on the DMA engine spi/topcliff_pch: Fix data transfer issue spi/imx: remove autodetection spi/pxa2xx: pass of_node to spi device and set a parent device spi/pxa2xx: Modify RX-Tresh instead of busy-loop for the remaining RX bytes. spi/pxa2xx: Add chipselect support for Sodaville spi/pxa2xx: Consider CE4100's FIFO depth spi/pxa2xx: Add CE4100 support ...
Diffstat (limited to 'drivers/spi/spi_imx.c')
-rw-r--r--drivers/spi/spi_imx.c32
1 files changed, 3 insertions, 29 deletions
diff --git a/drivers/spi/spi_imx.c b/drivers/spi/spi_imx.c
index 55a38e2c6c13..9469564e6888 100644
--- a/drivers/spi/spi_imx.c
+++ b/drivers/spi/spi_imx.c
@@ -66,7 +66,6 @@ enum spi_imx_devtype {
SPI_IMX_VER_0_5,
SPI_IMX_VER_0_7,
SPI_IMX_VER_2_3,
- SPI_IMX_VER_AUTODETECT,
};
struct spi_imx_data;
@@ -720,9 +719,6 @@ static void spi_imx_cleanup(struct spi_device *spi)
static struct platform_device_id spi_imx_devtype[] = {
{
- .name = DRIVER_NAME,
- .driver_data = SPI_IMX_VER_AUTODETECT,
- }, {
.name = "imx1-cspi",
.driver_data = SPI_IMX_VER_IMX1,
}, {
@@ -802,30 +798,8 @@ static int __devinit spi_imx_probe(struct platform_device *pdev)
init_completion(&spi_imx->xfer_done);
- if (pdev->id_entry->driver_data == SPI_IMX_VER_AUTODETECT) {
- if (cpu_is_mx25() || cpu_is_mx35())
- spi_imx->devtype_data =
- spi_imx_devtype_data[SPI_IMX_VER_0_7];
- else if (cpu_is_mx25() || cpu_is_mx31() || cpu_is_mx35())
- spi_imx->devtype_data =
- spi_imx_devtype_data[SPI_IMX_VER_0_4];
- else if (cpu_is_mx27() || cpu_is_mx21())
- spi_imx->devtype_data =
- spi_imx_devtype_data[SPI_IMX_VER_0_0];
- else if (cpu_is_mx1())
- spi_imx->devtype_data =
- spi_imx_devtype_data[SPI_IMX_VER_IMX1];
- else
- BUG();
- } else
- spi_imx->devtype_data =
- spi_imx_devtype_data[pdev->id_entry->driver_data];
-
- if (!spi_imx->devtype_data.intctrl) {
- dev_err(&pdev->dev, "no support for this device compiled in\n");
- ret = -ENODEV;
- goto out_gpio_free;
- }
+ spi_imx->devtype_data =
+ spi_imx_devtype_data[pdev->id_entry->driver_data];
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
@@ -847,7 +821,7 @@ static int __devinit spi_imx_probe(struct platform_device *pdev)
}
spi_imx->irq = platform_get_irq(pdev, 0);
- if (spi_imx->irq <= 0) {
+ if (spi_imx->irq < 0) {
ret = -EINVAL;
goto out_iounmap;
}