A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-30 19:51:31 -04:00
Code Issues Projects Releases Packages Wiki Activity

[ARM] omap: convert OMAP drivers to use ioremap()

Browse source 
Signed-off-by: Russell King <[email protected]>
This commit is contained in:
Russell King 2008-09-04 14:07:22 +01:00 • committed by Russell King
commit 55c381e489
9 changed files with 107 additions and 26 deletions
Download patch file Download diff file Expand all files Collapse all files

12
drivers/spi/omap2_mcspi.c
View file

@ -1009,7 +1009,12 @@ static int __init omap2_mcspi_probe(struct platform_device *pdev)
}
mcspi->phys = r->start;
mcspi->base = (void __iomem *) io_p2v(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);
@ -1059,6 +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);
@ -1071,6 +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);
@ -1082,7 +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;

23
drivers/spi/omap_uwire.c
View file

@ -59,7 +59,6 @@
* and irqs should show there too...
*/
#define UWIRE_BASE_PHYS 0xFFFB3000
#define UWIRE_BASE ((void *__iomem)IO_ADDRESS(UWIRE_BASE_PHYS))
/* uWire Registers: */
#define UWIRE_IO_SIZE 0x20
@ -103,16 +102,21 @@ struct uwire_state {
};
/* REVISIT compile time constant for idx_shift? */
/*
* Or, put it in a structure which is used throughout the driver;
* that avoids having to issue two loads for each bit of static data.
*/
static unsigned int uwire_idx_shift;
static void __iomem *uwire_base;
static inline void uwire_write_reg(int idx, u16 val)
{
__raw_writew(val, UWIRE_BASE + (idx << uwire_idx_shift));
__raw_writew(val, uwire_base + (idx << uwire_idx_shift));
}
static inline u16 uwire_read_reg(int idx)
{
return __raw_readw(UWIRE_BASE + (idx << uwire_idx_shift));
return __raw_readw(uwire_base + (idx << uwire_idx_shift));
}
static inline void omap_uwire_configure_mode(u8 cs, unsigned long flags)
@ -492,6 +496,14 @@ static int __init uwire_probe(struct platform_device *pdev)
return -ENODEV;
uwire = spi_master_get_devdata(master);
uwire_base = ioremap(UWIRE_BASE_PHYS, UWIRE_IO_SIZE);
if (!uwire_base) {
dev_dbg(&pdev->dev, "can't ioremap UWIRE\n");
spi_master_put(master);
return -ENOMEM;
}
dev_set_drvdata(&pdev->dev, uwire);
uwire->ck = clk_get(&pdev->dev, "armxor_ck");
@ -520,8 +532,10 @@ static int __init uwire_probe(struct platform_device *pdev)
uwire->bitbang.txrx_bufs = uwire_txrx;
status = spi_bitbang_start(&uwire->bitbang);
if (status < 0)
if (status < 0) {
uwire_off(uwire);
iounmap(uwire_base);
}
return status;
}
@ -534,6 +548,7 @@ static int __exit uwire_remove(struct platform_device *pdev)
status = spi_bitbang_stop(&uwire->bitbang);
uwire_off(uwire);
iounmap(uwire_base);
return status;
}