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Diffstat (limited to 'drivers/i2c/busses')
-rw-r--r--drivers/i2c/busses/i2c-cpm.c4
-rw-r--r--drivers/i2c/busses/i2c-exynos5.c24
2 files changed, 21 insertions, 7 deletions
diff --git a/drivers/i2c/busses/i2c-cpm.c b/drivers/i2c/busses/i2c-cpm.c
index 714bdc837..b167ab253 100644
--- a/drivers/i2c/busses/i2c-cpm.c
+++ b/drivers/i2c/busses/i2c-cpm.c
@@ -116,8 +116,8 @@ struct cpm_i2c {
cbd_t __iomem *rbase;
u_char *txbuf[CPM_MAXBD];
u_char *rxbuf[CPM_MAXBD];
- u32 txdma[CPM_MAXBD];
- u32 rxdma[CPM_MAXBD];
+ dma_addr_t txdma[CPM_MAXBD];
+ dma_addr_t rxdma[CPM_MAXBD];
};
static irqreturn_t cpm_i2c_interrupt(int irq, void *dev_id)
diff --git a/drivers/i2c/busses/i2c-exynos5.c b/drivers/i2c/busses/i2c-exynos5.c
index b29c75004..f54ece8fc 100644
--- a/drivers/i2c/busses/i2c-exynos5.c
+++ b/drivers/i2c/busses/i2c-exynos5.c
@@ -671,7 +671,9 @@ static int exynos5_i2c_xfer(struct i2c_adapter *adap,
return -EIO;
}
- clk_prepare_enable(i2c->clk);
+ ret = clk_enable(i2c->clk);
+ if (ret)
+ return ret;
for (i = 0; i < num; i++, msgs++) {
stop = (i == num - 1);
@@ -695,7 +697,7 @@ static int exynos5_i2c_xfer(struct i2c_adapter *adap,
}
out:
- clk_disable_unprepare(i2c->clk);
+ clk_disable(i2c->clk);
return ret;
}
@@ -747,7 +749,9 @@ static int exynos5_i2c_probe(struct platform_device *pdev)
return -ENOENT;
}
- clk_prepare_enable(i2c->clk);
+ ret = clk_prepare_enable(i2c->clk);
+ if (ret)
+ return ret;
mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
i2c->regs = devm_ioremap_resource(&pdev->dev, mem);
@@ -799,6 +803,10 @@ static int exynos5_i2c_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, i2c);
+ clk_disable(i2c->clk);
+
+ return 0;
+
err_clk:
clk_disable_unprepare(i2c->clk);
return ret;
@@ -810,6 +818,8 @@ static int exynos5_i2c_remove(struct platform_device *pdev)
i2c_del_adapter(&i2c->adap);
+ clk_unprepare(i2c->clk);
+
return 0;
}
@@ -821,6 +831,8 @@ static int exynos5_i2c_suspend_noirq(struct device *dev)
i2c->suspended = 1;
+ clk_unprepare(i2c->clk);
+
return 0;
}
@@ -830,7 +842,9 @@ static int exynos5_i2c_resume_noirq(struct device *dev)
struct exynos5_i2c *i2c = platform_get_drvdata(pdev);
int ret = 0;
- clk_prepare_enable(i2c->clk);
+ ret = clk_prepare_enable(i2c->clk);
+ if (ret)
+ return ret;
ret = exynos5_hsi2c_clock_setup(i2c);
if (ret) {
@@ -839,7 +853,7 @@ static int exynos5_i2c_resume_noirq(struct device *dev)
}
exynos5_i2c_init(i2c);
- clk_disable_unprepare(i2c->clk);
+ clk_disable(i2c->clk);
i2c->suspended = 0;
return 0;