This driver wasn't converted to the new clock framework
(e038ed50a4a767add205094c035b6943e7b30140).
Signed-off-by: Javier Martin <javier.mar...@vista-silicon.com>
---
drivers/media/video/mx2_camera.c | 67 ++++++++++++++++++++++----------------
1 file changed, 39 insertions(+), 28 deletions(-)
diff --git a/drivers/media/video/mx2_camera.c b/drivers/media/video/mx2_camera.c
index 3c38b5f..88dcae6 100644
--- a/drivers/media/video/mx2_camera.c
+++ b/drivers/media/video/mx2_camera.c
@@ -273,7 +273,7 @@ struct mx2_camera_dev {
struct device *dev;
struct soc_camera_host soc_host;
struct soc_camera_device *icd;
- struct clk *clk_csi, *clk_emma;
+ struct clk *clk_csi, *clk_emma_ahb, *clk_emma_ipg;
unsigned int irq_csi, irq_emma;
void __iomem *base_csi, *base_emma;
@@ -436,7 +436,8 @@ static void mx2_camera_deactivate(struct mx2_camera_dev
*pcdev)
{
unsigned long flags;
- clk_disable(pcdev->clk_csi);
+ if (cpu_is_mx27())
+ clk_disable_unprepare(pcdev->clk_csi);
writel(0, pcdev->base_csi + CSICR1);
if (cpu_is_mx27()) {
writel(0, pcdev->base_emma + PRP_CNTL);
@@ -464,9 +465,11 @@ static int mx2_camera_add_device(struct soc_camera_device
*icd)
if (pcdev->icd)
return -EBUSY;
- ret = clk_enable(pcdev->clk_csi);
- if (ret < 0)
- return ret;
+ if (cpu_is_mx27()) {
+ ret = clk_prepare_enable(pcdev->clk_csi);
+ if (ret < 0)
+ return ret;
+ }
csicr1 = CSICR1_MCLKEN;
@@ -1675,23 +1678,12 @@ static int __devinit mx27_camera_emma_init(struct
mx2_camera_dev *pcdev)
goto exit_iounmap;
}
- pcdev->clk_emma = clk_get(NULL, "emma");
- if (IS_ERR(pcdev->clk_emma)) {
- err = PTR_ERR(pcdev->clk_emma);
- goto exit_free_irq;
- }
-
- clk_enable(pcdev->clk_emma);
-
err = mx27_camera_emma_prp_reset(pcdev);
if (err)
- goto exit_clk_emma_put;
+ goto exit_free_irq;
return err;
-exit_clk_emma_put:
- clk_disable(pcdev->clk_emma);
- clk_put(pcdev->clk_emma);
exit_free_irq:
free_irq(pcdev->irq_emma, pcdev);
exit_iounmap:
@@ -1714,6 +1706,7 @@ static int __devinit mx2_camera_probe(struct
platform_device *pdev)
res_csi = platform_get_resource(pdev, IORESOURCE_MEM, 0);
irq_csi = platform_get_irq(pdev, 0);
+
if (res_csi == NULL || irq_csi < 0) {
dev_err(&pdev->dev, "Missing platform resources data\n");
err = -ENODEV;
@@ -1727,11 +1720,26 @@ static int __devinit mx2_camera_probe(struct
platform_device *pdev)
goto exit;
}
- pcdev->clk_csi = clk_get(&pdev->dev, NULL);
- if (IS_ERR(pcdev->clk_csi)) {
- dev_err(&pdev->dev, "Could not get csi clock\n");
- err = PTR_ERR(pcdev->clk_csi);
- goto exit_kfree;
+ if (cpu_is_mx27()) {
+ pcdev->clk_csi = devm_clk_get(&pdev->dev, "ahb");
+ if (IS_ERR(pcdev->clk_csi)) {
+ dev_err(&pdev->dev, "Could not get csi clock\n");
+ err = PTR_ERR(pcdev->clk_csi);
+ goto exit_kfree;
+ }
+ pcdev->clk_emma_ipg = devm_clk_get(&pdev->dev, "emma-ipg");
+ if (IS_ERR(pcdev->clk_emma_ipg)) {
+ err = PTR_ERR(pcdev->clk_emma_ipg);
+ goto exit_kfree;
+ }
+ pcdev->clk_emma_ahb = devm_clk_get(&pdev->dev, "emma-ahb");
+ if (IS_ERR(pcdev->clk_emma_ahb)) {
+ err = PTR_ERR(pcdev->clk_emma_ahb);
+ goto exit_kfree;
+ }
+ clk_prepare_enable(pcdev->clk_csi);
+ clk_prepare_enable(pcdev->clk_emma_ipg);
+ clk_prepare_enable(pcdev->clk_emma_ahb);
}
pcdev->res_csi = res_csi;
@@ -1827,8 +1835,8 @@ exit_free_emma:
eallocctx:
if (cpu_is_mx27()) {
free_irq(pcdev->irq_emma, pcdev);
- clk_disable(pcdev->clk_emma);
- clk_put(pcdev->clk_emma);
+ clk_disable_unprepare(pcdev->clk_emma_ipg);
+ clk_disable_unprepare(pcdev->clk_emma_ahb);
iounmap(pcdev->base_emma);
release_mem_region(pcdev->res_emma->start,
resource_size(pcdev->res_emma));
}
@@ -1840,7 +1848,11 @@ exit_iounmap:
exit_release:
release_mem_region(res_csi->start, resource_size(res_csi));
exit_dma_free:
- clk_put(pcdev->clk_csi);
+ if (cpu_is_mx27()) {
+ clk_disable_unprepare(pcdev->clk_emma_ipg);
+ clk_disable_unprepare(pcdev->clk_emma_ahb);
+ clk_disable_unprepare(pcdev->clk_csi);
+ }
exit_kfree:
kfree(pcdev);
exit:
@@ -1854,7 +1866,6 @@ static int __devexit mx2_camera_remove(struct
platform_device *pdev)
struct mx2_camera_dev, soc_host);
struct resource *res;
- clk_put(pcdev->clk_csi);
if (cpu_is_mx25())
free_irq(pcdev->irq_csi, pcdev);
if (cpu_is_mx27())
@@ -1867,8 +1878,8 @@ static int __devexit mx2_camera_remove(struct
platform_device *pdev)
iounmap(pcdev->base_csi);
if (cpu_is_mx27()) {
- clk_disable(pcdev->clk_emma);
- clk_put(pcdev->clk_emma);
+ clk_disable_unprepare(pcdev->clk_emma_ipg);
+ clk_disable_unprepare(pcdev->clk_emma_ahb);
iounmap(pcdev->base_emma);
res = pcdev->res_emma;
release_mem_region(res->start, resource_size(res));
--
1.7.9.5
--
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