diff options
author | Ulf Hansson <ulf.hansson@linaro.org> | 2014-03-17 16:56:32 +0400 |
---|---|---|
committer | Ulf Hansson <ulf.hansson@linaro.org> | 2014-05-12 14:52:36 +0400 |
commit | ef289982f2cf9f36c64b3e64d584b74b6ea2e70b (patch) | |
tree | d1e6743300916019bcb6c8f3df5ef0b9eff3577d /drivers/mmc | |
parent | d2762090153053bca984ce5f8978953f63390401 (diff) | |
download | linux-ef289982f2cf9f36c64b3e64d584b74b6ea2e70b.tar.xz |
mmc: mmci: Convert to devm functions
Converting to devm functions to simplify error handling in ->probe() and
to cleanup ->remove().
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc')
-rw-r--r-- | drivers/mmc/host/mmci.c | 52 |
1 files changed, 17 insertions, 35 deletions
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c index ebe991628295..57cfd5f7cb24 100644 --- a/drivers/mmc/host/mmci.c +++ b/drivers/mmc/host/mmci.c @@ -13,6 +13,7 @@ #include <linux/init.h> #include <linux/ioport.h> #include <linux/device.h> +#include <linux/io.h> #include <linux/interrupt.h> #include <linux/kernel.h> #include <linux/slab.h> @@ -1456,15 +1457,9 @@ static int mmci_probe(struct amba_device *dev, if (np) mmci_dt_populate_generic_pdata(np, plat); - ret = amba_request_regions(dev, DRIVER_NAME); - if (ret) - goto out; - mmc = mmc_alloc_host(sizeof(struct mmci_host), &dev->dev); - if (!mmc) { - ret = -ENOMEM; - goto rel_regions; - } + if (!mmc) + return -ENOMEM; host = mmc_priv(mmc); host->mmc = mmc; @@ -1500,10 +1495,11 @@ static int mmci_probe(struct amba_device *dev, dev_dbg(mmc_dev(mmc), "eventual mclk rate: %u Hz\n", host->mclk); } + host->phybase = dev->res.start; - host->base = ioremap(dev->res.start, resource_size(&dev->res)); - if (!host->base) { - ret = -ENOMEM; + host->base = devm_ioremap_resource(&dev->dev, &dev->res); + if (IS_ERR(host->base)) { + ret = PTR_ERR(host->base); goto clk_disable; } @@ -1592,34 +1588,35 @@ static int mmci_probe(struct amba_device *dev, if (plat->gpio_cd == -EPROBE_DEFER) { ret = -EPROBE_DEFER; - goto err_gpio_cd; + goto clk_disable; } if (gpio_is_valid(plat->gpio_cd)) { ret = mmc_gpio_request_cd(mmc, plat->gpio_cd, 0); if (ret) - goto err_gpio_cd; + goto clk_disable; } if (plat->gpio_wp == -EPROBE_DEFER) { ret = -EPROBE_DEFER; - goto err_gpio_cd; + goto clk_disable; } if (gpio_is_valid(plat->gpio_wp)) { ret = mmc_gpio_request_ro(mmc, plat->gpio_wp); if (ret) - goto err_gpio_cd; + goto clk_disable; } - ret = request_irq(dev->irq[0], mmci_irq, IRQF_SHARED, DRIVER_NAME " (cmd)", host); + ret = devm_request_irq(&dev->dev, dev->irq[0], mmci_irq, IRQF_SHARED, + DRIVER_NAME " (cmd)", host); if (ret) - goto err_gpio_cd; + goto clk_disable; if (!dev->irq[1]) host->singleirq = true; else { - ret = request_irq(dev->irq[1], mmci_pio_irq, IRQF_SHARED, - DRIVER_NAME " (pio)", host); + ret = devm_request_irq(&dev->dev, dev->irq[1], mmci_pio_irq, + IRQF_SHARED, DRIVER_NAME " (pio)", host); if (ret) - goto irq0_free; + goto clk_disable; } writel(MCI_IRQENABLE, host->base + MMCIMASK0); @@ -1641,17 +1638,10 @@ static int mmci_probe(struct amba_device *dev, return 0; - irq0_free: - free_irq(dev->irq[0], host); - err_gpio_cd: - iounmap(host->base); clk_disable: clk_disable_unprepare(host->clk); host_free: mmc_free_host(mmc); - rel_regions: - amba_release_regions(dev); - out: return ret; } @@ -1677,16 +1667,8 @@ static int mmci_remove(struct amba_device *dev) writel(0, host->base + MMCIDATACTRL); mmci_dma_release(host); - free_irq(dev->irq[0], host); - if (!host->singleirq) - free_irq(dev->irq[1], host); - - iounmap(host->base); clk_disable_unprepare(host->clk); - mmc_free_host(mmc); - - amba_release_regions(dev); } return 0; |