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-rw-r--r--drivers/amba/tegra-ahb.c6
-rw-r--r--drivers/crypto/tegra-aes.c12
-rw-r--r--drivers/i2c/busses/i2c-tegra.c10
-rw-r--r--drivers/input/keyboard/tegra-kbc.c4
-rw-r--r--drivers/mmc/host/sdhci-tegra.c11
-rw-r--r--drivers/spi/spi-tegra.c4
-rw-r--r--drivers/staging/nvec/nvec.c8
-rw-r--r--drivers/usb/host/ehci-tegra.c20
8 files changed, 36 insertions, 39 deletions
diff --git a/drivers/amba/tegra-ahb.c b/drivers/amba/tegra-ahb.c
index aa0b1f160528..0b6f0b28a487 100644
--- a/drivers/amba/tegra-ahb.c
+++ b/drivers/amba/tegra-ahb.c
@@ -264,11 +264,6 @@ static int __devinit tegra_ahb_probe(struct platform_device *pdev)
return 0;
}
-static int __devexit tegra_ahb_remove(struct platform_device *pdev)
-{
- return 0;
-}
-
static const struct of_device_id tegra_ahb_of_match[] __devinitconst = {
{ .compatible = "nvidia,tegra30-ahb", },
{ .compatible = "nvidia,tegra20-ahb", },
@@ -277,7 +272,6 @@ static const struct of_device_id tegra_ahb_of_match[] __devinitconst = {
static struct platform_driver tegra_ahb_driver = {
.probe = tegra_ahb_probe,
- .remove = __devexit_p(tegra_ahb_remove),
.driver = {
.name = DRV_NAME,
.owner = THIS_MODULE,
diff --git a/drivers/crypto/tegra-aes.c b/drivers/crypto/tegra-aes.c
index 422a9766c7c9..ac236f6724f4 100644
--- a/drivers/crypto/tegra-aes.c
+++ b/drivers/crypto/tegra-aes.c
@@ -572,7 +572,7 @@ static void aes_workqueue_handler(struct work_struct *work)
struct tegra_aes_dev *dd = aes_dev;
int ret;
- ret = clk_enable(dd->aes_clk);
+ ret = clk_prepare_enable(dd->aes_clk);
if (ret)
BUG_ON("clock enable failed");
@@ -581,7 +581,7 @@ static void aes_workqueue_handler(struct work_struct *work)
ret = tegra_aes_handle_req(dd);
} while (!ret);
- clk_disable(dd->aes_clk);
+ clk_disable_unprepare(dd->aes_clk);
}
static irqreturn_t aes_irq(int irq, void *dev_id)
@@ -673,7 +673,7 @@ static int tegra_aes_get_random(struct crypto_rng *tfm, u8 *rdata,
/* take mutex to access the aes hw */
mutex_lock(&aes_lock);
- ret = clk_enable(dd->aes_clk);
+ ret = clk_prepare_enable(dd->aes_clk);
if (ret)
return ret;
@@ -700,7 +700,7 @@ static int tegra_aes_get_random(struct crypto_rng *tfm, u8 *rdata,
}
out:
- clk_disable(dd->aes_clk);
+ clk_disable_unprepare(dd->aes_clk);
mutex_unlock(&aes_lock);
dev_dbg(dd->dev, "%s: done\n", __func__);
@@ -758,7 +758,7 @@ static int tegra_aes_rng_reset(struct crypto_rng *tfm, u8 *seed,
dd->flags = FLAGS_ENCRYPT | FLAGS_RNG;
- ret = clk_enable(dd->aes_clk);
+ ret = clk_prepare_enable(dd->aes_clk);
if (ret)
return ret;
@@ -788,7 +788,7 @@ static int tegra_aes_rng_reset(struct crypto_rng *tfm, u8 *seed,
memcpy(dd->dt, dt, DEFAULT_RNG_BLK_SZ);
out:
- clk_disable(dd->aes_clk);
+ clk_disable_unprepare(dd->aes_clk);
mutex_unlock(&aes_lock);
dev_dbg(dd->dev, "%s: done\n", __func__);
diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c
index 8b2e555a9563..3da7ee3eb505 100644
--- a/drivers/i2c/busses/i2c-tegra.c
+++ b/drivers/i2c/busses/i2c-tegra.c
@@ -341,7 +341,7 @@ static int tegra_i2c_init(struct tegra_i2c_dev *i2c_dev)
u32 val;
int err = 0;
- clk_enable(i2c_dev->clk);
+ clk_prepare_enable(i2c_dev->clk);
tegra_periph_reset_assert(i2c_dev->clk);
udelay(2);
@@ -372,7 +372,7 @@ static int tegra_i2c_init(struct tegra_i2c_dev *i2c_dev)
if (tegra_i2c_flush_fifos(i2c_dev))
err = -ETIMEDOUT;
- clk_disable(i2c_dev->clk);
+ clk_disable_unprepare(i2c_dev->clk);
if (i2c_dev->irq_disabled) {
i2c_dev->irq_disabled = 0;
@@ -546,14 +546,14 @@ static int tegra_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[],
if (i2c_dev->is_suspended)
return -EBUSY;
- clk_enable(i2c_dev->clk);
+ clk_prepare_enable(i2c_dev->clk);
for (i = 0; i < num; i++) {
int stop = (i == (num - 1)) ? 1 : 0;
ret = tegra_i2c_xfer_msg(i2c_dev, &msgs[i], stop);
if (ret)
break;
}
- clk_disable(i2c_dev->clk);
+ clk_disable_unprepare(i2c_dev->clk);
return ret ?: i;
}
@@ -666,7 +666,7 @@ static int __devinit tegra_i2c_probe(struct platform_device *pdev)
goto err_free;
}
- clk_enable(i2c_dev->i2c_clk);
+ clk_prepare_enable(i2c_dev->i2c_clk);
i2c_set_adapdata(&i2c_dev->adapter, i2c_dev);
i2c_dev->adapter.owner = THIS_MODULE;
diff --git a/drivers/input/keyboard/tegra-kbc.c b/drivers/input/keyboard/tegra-kbc.c
index 4ffe64d53107..2c1c9ed1bd9f 100644
--- a/drivers/input/keyboard/tegra-kbc.c
+++ b/drivers/input/keyboard/tegra-kbc.c
@@ -492,7 +492,7 @@ static int tegra_kbc_start(struct tegra_kbc *kbc)
unsigned int debounce_cnt;
u32 val = 0;
- clk_enable(kbc->clk);
+ clk_prepare_enable(kbc->clk);
/* Reset the KBC controller to clear all previous status.*/
tegra_periph_reset_assert(kbc->clk);
@@ -556,7 +556,7 @@ static void tegra_kbc_stop(struct tegra_kbc *kbc)
disable_irq(kbc->irq);
del_timer_sync(&kbc->timer);
- clk_disable(kbc->clk);
+ clk_disable_unprepare(kbc->clk);
}
static int tegra_kbc_open(struct input_dev *dev)
diff --git a/drivers/mmc/host/sdhci-tegra.c b/drivers/mmc/host/sdhci-tegra.c
index b38d8a78f6a0..0810ccc23d7e 100644
--- a/drivers/mmc/host/sdhci-tegra.c
+++ b/drivers/mmc/host/sdhci-tegra.c
@@ -223,6 +223,7 @@ static struct tegra_sdhci_platform_data * __devinit sdhci_tegra_dt_parse_pdata(
{
struct tegra_sdhci_platform_data *plat;
struct device_node *np = pdev->dev.of_node;
+ u32 bus_width;
if (!np)
return NULL;
@@ -236,7 +237,9 @@ static struct tegra_sdhci_platform_data * __devinit sdhci_tegra_dt_parse_pdata(
plat->cd_gpio = of_get_named_gpio(np, "cd-gpios", 0);
plat->wp_gpio = of_get_named_gpio(np, "wp-gpios", 0);
plat->power_gpio = of_get_named_gpio(np, "power-gpios", 0);
- if (of_find_property(np, "support-8bit", NULL))
+
+ if (of_property_read_u32(np, "bus-width", &bus_width) == 0 &&
+ bus_width == 8)
plat->is_8bit = 1;
return plat;
@@ -334,7 +337,7 @@ static int __devinit sdhci_tegra_probe(struct platform_device *pdev)
rc = PTR_ERR(clk);
goto err_clk_get;
}
- clk_enable(clk);
+ clk_prepare_enable(clk);
pltfm_host->clk = clk;
host->mmc->pm_caps = plat->pm_flags;
@@ -349,7 +352,7 @@ static int __devinit sdhci_tegra_probe(struct platform_device *pdev)
return 0;
err_add_host:
- clk_disable(pltfm_host->clk);
+ clk_disable_unprepare(pltfm_host->clk);
clk_put(pltfm_host->clk);
err_clk_get:
if (gpio_is_valid(plat->wp_gpio))
@@ -390,7 +393,7 @@ static int __devexit sdhci_tegra_remove(struct platform_device *pdev)
if (gpio_is_valid(plat->power_gpio))
gpio_free(plat->power_gpio);
- clk_disable(pltfm_host->clk);
+ clk_disable_unprepare(pltfm_host->clk);
clk_put(pltfm_host->clk);
sdhci_pltfm_free(pdev);
diff --git a/drivers/spi/spi-tegra.c b/drivers/spi/spi-tegra.c
index ae6d78a3e912..7f99ff3553a6 100644
--- a/drivers/spi/spi-tegra.c
+++ b/drivers/spi/spi-tegra.c
@@ -261,7 +261,7 @@ static void spi_tegra_start_transfer(struct spi_device *spi,
clk_set_rate(tspi->clk, speed);
if (tspi->cur_speed == 0)
- clk_enable(tspi->clk);
+ clk_prepare_enable(tspi->clk);
tspi->cur_speed = speed;
@@ -373,7 +373,7 @@ static void tegra_spi_rx_dma_complete(struct tegra_dma_req *req)
spi = m->state;
spi_tegra_start_message(spi, m);
} else {
- clk_disable(tspi->clk);
+ clk_disable_unprepare(tspi->clk);
tspi->cur_speed = 0;
}
}
diff --git a/drivers/staging/nvec/nvec.c b/drivers/staging/nvec/nvec.c
index 3c60088871e0..9356886f489b 100644
--- a/drivers/staging/nvec/nvec.c
+++ b/drivers/staging/nvec/nvec.c
@@ -675,7 +675,7 @@ static void tegra_init_i2c_slave(struct nvec_chip *nvec)
{
u32 val;
- clk_enable(nvec->i2c_clk);
+ clk_prepare_enable(nvec->i2c_clk);
tegra_periph_reset_assert(nvec->i2c_clk);
udelay(2);
@@ -695,14 +695,14 @@ static void tegra_init_i2c_slave(struct nvec_chip *nvec)
enable_irq(nvec->irq);
- clk_disable(nvec->i2c_clk);
+ clk_disable_unprepare(nvec->i2c_clk);
}
static void nvec_disable_i2c_slave(struct nvec_chip *nvec)
{
disable_irq(nvec->irq);
writel(I2C_SL_NEWSL | I2C_SL_NACK, nvec->base + I2C_SL_CNFG);
- clk_disable(nvec->i2c_clk);
+ clk_disable_unprepare(nvec->i2c_clk);
}
static void nvec_power_off(void)
@@ -812,7 +812,7 @@ static int __devinit tegra_nvec_probe(struct platform_device *pdev)
tegra_init_i2c_slave(nvec);
- clk_enable(i2c_clk);
+ clk_prepare_enable(i2c_clk);
/* enable event reporting */
diff --git a/drivers/usb/host/ehci-tegra.c b/drivers/usb/host/ehci-tegra.c
index 68548236ec42..ab8a3bf628e3 100644
--- a/drivers/usb/host/ehci-tegra.c
+++ b/drivers/usb/host/ehci-tegra.c
@@ -46,8 +46,8 @@ static void tegra_ehci_power_up(struct usb_hcd *hcd)
{
struct tegra_ehci_hcd *tegra = dev_get_drvdata(hcd->self.controller);
- clk_enable(tegra->emc_clk);
- clk_enable(tegra->clk);
+ clk_prepare_enable(tegra->emc_clk);
+ clk_prepare_enable(tegra->clk);
tegra_usb_phy_power_on(tegra->phy);
tegra->host_resumed = 1;
}
@@ -58,8 +58,8 @@ static void tegra_ehci_power_down(struct usb_hcd *hcd)
tegra->host_resumed = 0;
tegra_usb_phy_power_off(tegra->phy);
- clk_disable(tegra->clk);
- clk_disable(tegra->emc_clk);
+ clk_disable_unprepare(tegra->clk);
+ clk_disable_unprepare(tegra->emc_clk);
}
static int tegra_ehci_internal_port_reset(
@@ -671,7 +671,7 @@ static int tegra_ehci_probe(struct platform_device *pdev)
goto fail_clk;
}
- err = clk_enable(tegra->clk);
+ err = clk_prepare_enable(tegra->clk);
if (err)
goto fail_clken;
@@ -682,7 +682,7 @@ static int tegra_ehci_probe(struct platform_device *pdev)
goto fail_emc_clk;
}
- clk_enable(tegra->emc_clk);
+ clk_prepare_enable(tegra->emc_clk);
clk_set_rate(tegra->emc_clk, 400000000);
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
@@ -782,10 +782,10 @@ fail:
fail_phy:
iounmap(hcd->regs);
fail_io:
- clk_disable(tegra->emc_clk);
+ clk_disable_unprepare(tegra->emc_clk);
clk_put(tegra->emc_clk);
fail_emc_clk:
- clk_disable(tegra->clk);
+ clk_disable_unprepare(tegra->clk);
fail_clken:
clk_put(tegra->clk);
fail_clk:
@@ -820,10 +820,10 @@ static int tegra_ehci_remove(struct platform_device *pdev)
tegra_usb_phy_close(tegra->phy);
iounmap(hcd->regs);
- clk_disable(tegra->clk);
+ clk_disable_unprepare(tegra->clk);
clk_put(tegra->clk);
- clk_disable(tegra->emc_clk);
+ clk_disable_unprepare(tegra->emc_clk);
clk_put(tegra->emc_clk);
kfree(tegra);