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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2008-10-14 22:24:42 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-10-14 22:24:42 +0100
commitb6825d2df55aa7d7341c715b577b73a6a03dc944 (patch)
treeae4f0f52f4c2ad4e501dd323318486ccdd7fcd93 /drivers/spi/omap2_mcspi.c
parent6defd90433729c2d795865165cb34d938d8ff07c (diff)
parentaa59e19d05114f9fb7718d6bc8398255476fb4f5 (diff)
Merge branch 'omap-all' into devel
Conflicts: arch/arm/mach-omap2/gpmc.c arch/arm/mach-omap2/irq.c
Diffstat (limited to 'drivers/spi/omap2_mcspi.c')
-rw-r--r--drivers/spi/omap2_mcspi.c18
1 files changed, 16 insertions, 2 deletions
diff --git a/drivers/spi/omap2_mcspi.c b/drivers/spi/omap2_mcspi.c
index 9d2186fd74a..454a2712e62 100644
--- a/drivers/spi/omap2_mcspi.c
+++ b/drivers/spi/omap2_mcspi.c
@@ -119,12 +119,14 @@ struct omap2_mcspi {
struct clk *fck;
/* Virtual base address of the controller */
void __iomem *base;
+ unsigned long phys;
/* SPI1 has 4 channels, while SPI2 has 2 */
struct omap2_mcspi_dma *dma_channels;
};
struct omap2_mcspi_cs {
void __iomem *base;
+ unsigned long phys;
int word_len;
};
@@ -233,7 +235,7 @@ omap2_mcspi_txrx_dma(struct spi_device *spi, struct spi_transfer *xfer)
c = count;
word_len = cs->word_len;
- base = (unsigned long) io_v2p(cs->base);
+ base = cs->phys;
tx_reg = base + OMAP2_MCSPI_TX0;
rx_reg = base + OMAP2_MCSPI_RX0;
rx = xfer->rx_buf;
@@ -633,6 +635,7 @@ static int omap2_mcspi_setup(struct spi_device *spi)
if (!cs)
return -ENOMEM;
cs->base = mcspi->base + spi->chip_select * 0x14;
+ cs->phys = mcspi->phys + spi->chip_select * 0x14;
spi->controller_state = cs;
}
@@ -1005,7 +1008,13 @@ static int __init omap2_mcspi_probe(struct platform_device *pdev)
goto err1;
}
- mcspi->base = (void __iomem *) io_p2v(r->start);
+ mcspi->phys = r->start;
+ mcspi->base = ioremap(r->start, r->end - r->start + 1);
+ if (!mcspi->base) {
+ dev_dbg(&pdev->dev, "can't ioremap MCSPI\n");
+ status = -ENOMEM;
+ goto err1aa;
+ }
INIT_WORK(&mcspi->work, omap2_mcspi_work);
@@ -1055,6 +1064,8 @@ err3:
err2:
clk_put(mcspi->ick);
err1a:
+ iounmap(mcspi->base);
+err1aa:
release_mem_region(r->start, (r->end - r->start) + 1);
err1:
spi_master_put(master);
@@ -1067,6 +1078,7 @@ static int __exit omap2_mcspi_remove(struct platform_device *pdev)
struct omap2_mcspi *mcspi;
struct omap2_mcspi_dma *dma_channels;
struct resource *r;
+ void __iomem *base;
master = dev_get_drvdata(&pdev->dev);
mcspi = spi_master_get_devdata(master);
@@ -1078,7 +1090,9 @@ static int __exit omap2_mcspi_remove(struct platform_device *pdev)
r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
release_mem_region(r->start, (r->end - r->start) + 1);
+ base = mcspi->base;
spi_unregister_master(master);
+ iounmap(base);
kfree(dma_channels);
return 0;