[ARM] omap: convert OMAP drivers to use ioremap()
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King
Russell King
Родитель
690b5a13b2
Коммит
55c381e489
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@ -118,18 +118,21 @@ static int __init omap_rng_probe(struct platform_device *pdev)
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mem = request_mem_region(res->start, res->end - res->start + 1,
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pdev->name);
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if (mem == NULL)
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return -EBUSY;
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if (mem == NULL) {
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ret = -EBUSY;
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goto err_region;
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}
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dev_set_drvdata(&pdev->dev, mem);
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rng_base = (u32 __force __iomem *)io_p2v(res->start);
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rng_base = ioremap(res->start, res->end - res->start + 1);
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if (!rng_base) {
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ret = -ENOMEM;
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goto err_ioremap;
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}
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ret = hwrng_register(&omap_rng_ops);
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if (ret) {
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release_resource(mem);
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rng_base = NULL;
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return ret;
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}
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if (ret)
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goto err_register;
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dev_info(&pdev->dev, "OMAP Random Number Generator ver. %02x\n",
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omap_rng_read_reg(RNG_REV_REG));
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@ -138,6 +141,18 @@ static int __init omap_rng_probe(struct platform_device *pdev)
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rng_dev = pdev;
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return 0;
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err_register:
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iounmap(rng_base);
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rng_base = NULL;
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err_ioremap:
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release_resource(mem);
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err_region:
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if (cpu_is_omap24xx()) {
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clk_disable(rng_ick);
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clk_put(rng_ick);
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}
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return ret;
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}
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static int __exit omap_rng_remove(struct platform_device *pdev)
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@ -148,6 +163,8 @@ static int __exit omap_rng_remove(struct platform_device *pdev)
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omap_rng_write_reg(RNG_MASK_REG, 0x0);
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iounmap(rng_base);
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if (cpu_is_omap24xx()) {
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clk_disable(rng_ick);
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clk_put(rng_ick);
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@ -589,11 +589,16 @@ omap_i2c_probe(struct platform_device *pdev)
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dev->dev = &pdev->dev;
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dev->irq = irq->start;
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dev->base = (void __iomem *) IO_ADDRESS(mem->start);
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dev->base = ioremap(mem->start, mem->end - mem->start + 1);
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if (!dev->base) {
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r = -ENOMEM;
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goto err_free_mem;
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}
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platform_set_drvdata(pdev, dev);
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if ((r = omap_i2c_get_clocks(dev)) != 0)
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goto err_free_mem;
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goto err_iounmap;
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omap_i2c_unidle(dev);
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@ -640,6 +645,8 @@ err_unuse_clocks:
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omap_i2c_write_reg(dev, OMAP_I2C_CON_REG, 0);
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omap_i2c_idle(dev);
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omap_i2c_put_clocks(dev);
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err_iounmap:
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iounmap(dev->base);
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err_free_mem:
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platform_set_drvdata(pdev, NULL);
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kfree(dev);
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@ -661,6 +668,7 @@ omap_i2c_remove(struct platform_device *pdev)
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i2c_del_adapter(&dev->adapter);
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omap_i2c_write_reg(dev, OMAP_I2C_CON_REG, 0);
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omap_i2c_put_clocks(dev);
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iounmap(dev->base);
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kfree(dev);
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mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
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release_mem_region(mem->start, (mem->end - mem->start) + 1);
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@ -1455,7 +1455,9 @@ static int __init mmc_omap_probe(struct platform_device *pdev)
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host->irq = irq;
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host->phys_base = host->mem_res->start;
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host->virt_base = (void __iomem *) IO_ADDRESS(host->phys_base);
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host->virt_base = ioremap(res->start, res->end - res->start + 1);
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if (!host->virt_base)
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goto err_ioremap;
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if (cpu_is_omap24xx()) {
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host->iclk = clk_get(&pdev->dev, "mmc_ick");
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@ -1510,6 +1512,8 @@ err_free_iclk:
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clk_put(host->iclk);
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}
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err_free_mmc_host:
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iounmap(host->virt_base);
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err_ioremap:
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kfree(host);
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err_free_mem_region:
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release_mem_region(res->start, res->end - res->start + 1);
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@ -1536,6 +1540,7 @@ static int mmc_omap_remove(struct platform_device *pdev)
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if (host->fclk && !IS_ERR(host->fclk))
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clk_put(host->fclk);
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iounmap(host->virt_base);
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release_mem_region(pdev->resource[0].start,
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pdev->resource[0].end - pdev->resource[0].start + 1);
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@ -1009,7 +1009,12 @@ static int __init omap2_mcspi_probe(struct platform_device *pdev)
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}
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mcspi->phys = r->start;
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mcspi->base = (void __iomem *) io_p2v(r->start);
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mcspi->base = ioremap(r->start, r->end - r->start + 1);
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if (!mcspi->base) {
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dev_dbg(&pdev->dev, "can't ioremap MCSPI\n");
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status = -ENOMEM;
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goto err1aa;
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}
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INIT_WORK(&mcspi->work, omap2_mcspi_work);
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@ -1059,6 +1064,8 @@ err3:
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err2:
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clk_put(mcspi->ick);
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err1a:
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iounmap(mcspi->base);
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err1aa:
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release_mem_region(r->start, (r->end - r->start) + 1);
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err1:
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spi_master_put(master);
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@ -1071,6 +1078,7 @@ static int __exit omap2_mcspi_remove(struct platform_device *pdev)
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struct omap2_mcspi *mcspi;
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struct omap2_mcspi_dma *dma_channels;
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struct resource *r;
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void __iomem *base;
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master = dev_get_drvdata(&pdev->dev);
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mcspi = spi_master_get_devdata(master);
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@ -1082,7 +1090,9 @@ static int __exit omap2_mcspi_remove(struct platform_device *pdev)
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r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
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release_mem_region(r->start, (r->end - r->start) + 1);
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base = mcspi->base;
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spi_unregister_master(master);
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iounmap(base);
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kfree(dma_channels);
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return 0;
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@ -59,7 +59,6 @@
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* and irqs should show there too...
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*/
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#define UWIRE_BASE_PHYS 0xFFFB3000
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#define UWIRE_BASE ((void *__iomem)IO_ADDRESS(UWIRE_BASE_PHYS))
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/* uWire Registers: */
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#define UWIRE_IO_SIZE 0x20
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@ -103,16 +102,21 @@ struct uwire_state {
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};
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/* REVISIT compile time constant for idx_shift? */
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/*
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* Or, put it in a structure which is used throughout the driver;
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* that avoids having to issue two loads for each bit of static data.
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*/
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static unsigned int uwire_idx_shift;
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static void __iomem *uwire_base;
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static inline void uwire_write_reg(int idx, u16 val)
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{
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__raw_writew(val, UWIRE_BASE + (idx << uwire_idx_shift));
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__raw_writew(val, uwire_base + (idx << uwire_idx_shift));
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}
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static inline u16 uwire_read_reg(int idx)
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{
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return __raw_readw(UWIRE_BASE + (idx << uwire_idx_shift));
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return __raw_readw(uwire_base + (idx << uwire_idx_shift));
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}
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static inline void omap_uwire_configure_mode(u8 cs, unsigned long flags)
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@ -492,6 +496,14 @@ static int __init uwire_probe(struct platform_device *pdev)
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return -ENODEV;
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uwire = spi_master_get_devdata(master);
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uwire_base = ioremap(UWIRE_BASE_PHYS, UWIRE_IO_SIZE);
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if (!uwire_base) {
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dev_dbg(&pdev->dev, "can't ioremap UWIRE\n");
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spi_master_put(master);
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return -ENOMEM;
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}
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dev_set_drvdata(&pdev->dev, uwire);
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uwire->ck = clk_get(&pdev->dev, "armxor_ck");
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@ -520,8 +532,10 @@ static int __init uwire_probe(struct platform_device *pdev)
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uwire->bitbang.txrx_bufs = uwire_txrx;
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status = spi_bitbang_start(&uwire->bitbang);
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if (status < 0)
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if (status < 0) {
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uwire_off(uwire);
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iounmap(uwire_base);
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}
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return status;
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}
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@ -534,6 +548,7 @@ static int __exit uwire_remove(struct platform_device *pdev)
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status = spi_bitbang_stop(&uwire->bitbang);
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uwire_off(uwire);
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iounmap(uwire_base);
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return status;
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}
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@ -344,7 +344,12 @@ static int usb_hcd_omap_probe (const struct hc_driver *driver,
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goto err1;
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}
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hcd->regs = (void __iomem *) (int) IO_ADDRESS(hcd->rsrc_start);
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hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len);
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if (!hcd->regs) {
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dev_err(&pdev->dev, "can't ioremap OHCI HCD\n");
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retval = -ENOMEM;
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goto err2;
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}
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ohci = hcd_to_ohci(hcd);
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ohci_hcd_init(ohci);
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@ -355,11 +360,11 @@ static int usb_hcd_omap_probe (const struct hc_driver *driver,
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irq = platform_get_irq(pdev, 0);
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if (irq < 0) {
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retval = -ENXIO;
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goto err2;
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goto err3;
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}
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retval = usb_add_hcd(hcd, irq, IRQF_DISABLED);
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if (retval)
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goto err2;
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goto err3;
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host_initialized = 1;
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@ -367,6 +372,8 @@ static int usb_hcd_omap_probe (const struct hc_driver *driver,
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omap_ohci_clock_power(0);
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return 0;
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err3:
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iounmap(hcd->regs);
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err2:
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release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
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err1:
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@ -401,6 +408,7 @@ usb_hcd_omap_remove (struct usb_hcd *hcd, struct platform_device *pdev)
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}
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if (machine_is_omap_osk())
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omap_free_gpio(9);
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iounmap(hcd->regs);
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release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
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usb_put_hcd(hcd);
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clk_put(usb_dc_ck);
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@ -156,7 +156,7 @@ struct resmap {
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};
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static struct {
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u32 base;
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void __iomem *base;
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struct omapfb_mem_desc mem_desc;
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struct resmap *res_map[DISPC_MEMTYPE_NUM];
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@ -1349,14 +1349,19 @@ static int omap_dispc_init(struct omapfb_device *fbdev, int ext_mode,
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memset(&dispc, 0, sizeof(dispc));
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dispc.base = io_p2v(DISPC_BASE);
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dispc.base = ioremap(DISPC_BASE, SZ_1K);
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if (!dispc.base) {
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dev_err(fbdev->dev, "can't ioremap DISPC\n");
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return -ENOMEM;
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}
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dispc.fbdev = fbdev;
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dispc.ext_mode = ext_mode;
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init_completion(&dispc.frame_done);
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if ((r = get_dss_clocks()) < 0)
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return r;
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goto fail0;
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enable_interface_clocks(1);
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enable_lcd_clocks(1);
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@ -1464,7 +1469,8 @@ fail1:
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enable_lcd_clocks(0);
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enable_interface_clocks(0);
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put_dss_clocks();
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fail0:
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iounmap(dispc.base);
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return r;
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}
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@ -1481,6 +1487,7 @@ static void omap_dispc_cleanup(void)
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free_irq(INT_24XX_DSS_IRQ, dispc.fbdev);
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enable_interface_clocks(0);
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put_dss_clocks();
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iounmap(dispc.base);
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}
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const struct lcd_ctrl omap2_int_ctrl = {
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@ -59,7 +59,7 @@
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#define DISPC_CONTROL 0x0040
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static struct {
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u32 base;
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void __iomem *base;
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void (*lcdc_callback)(void *data);
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void *lcdc_callback_data;
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unsigned long l4_khz;
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@ -518,7 +518,11 @@ static int rfbi_init(struct omapfb_device *fbdev)
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int r;
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rfbi.fbdev = fbdev;
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rfbi.base = io_p2v(RFBI_BASE);
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rfbi.base = ioremap(RFBI_BASE, SZ_1K);
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if (!rfbi.base) {
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dev_err(fbdev->dev, "can't ioremap RFBI\n");
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return -ENOMEM;
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}
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if ((r = rfbi_get_clocks()) < 0)
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return r;
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@ -566,6 +570,7 @@ static void rfbi_cleanup(void)
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{
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omap_dispc_free_irq();
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rfbi_put_clocks();
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iounmap(rfbi.base);
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}
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const struct lcd_ctrl_extif omap2_ext_if = {
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@ -574,7 +574,12 @@ static int sossi_init(struct omapfb_device *fbdev)
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struct clk *dpll1out_ck;
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int r;
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sossi.base = (void __iomem *)IO_ADDRESS(OMAP_SOSSI_BASE);
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sossi.base = ioremap(OMAP_SOSSI_BASE, SZ_1K);
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if (!sossi.base) {
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dev_err(fbdev->dev, "can't ioremap SoSSI\n");
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return -ENOMEM;
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}
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sossi.fbdev = fbdev;
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spin_lock_init(&sossi.lock);
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@ -665,6 +670,7 @@ static void sossi_cleanup(void)
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{
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omap_lcdc_free_dma_callback();
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clk_put(sossi.fck);
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iounmap(sossi.base);
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}
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struct lcd_ctrl_extif omap1_ext_if = {
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