Re: [PATCH 10/20] Move rfbi init to rfbi probe

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On 8/23/2010 5:57 PM, Guruswamy, Senthilvadivu wrote:
From: Senthilvadivu Guruswamy<svadivu@xxxxxx>

RFBI init and exit moved to rfbi probe and remove.

Signed-off-by: Senthilvadivu Guruswamy<svadivu@xxxxxx>
---
  drivers/video/omap2/dss/core.c |   21 +++++++++++----------
  1 files changed, 11 insertions(+), 10 deletions(-)

diff --git a/drivers/video/omap2/dss/core.c b/drivers/video/omap2/dss/core.c
index 90a8f77..5030a84 100644
--- a/drivers/video/omap2/dss/core.c
+++ b/drivers/video/omap2/dss/core.c
@@ -199,12 +199,6 @@ static int omap_dss_probe(struct platform_device *pdev)

  	dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK1 | DSS_CLK_54M);

-	r = rfbi_init();
-	if (r) {
-		DSSERR("Failed to initialize rfbi\n");
-		goto err_rfbi;
-	}
-
  	r = dpi_init(pdev);
  	if (r) {
  		DSSERR("Failed to initialize dpi\n");
@@ -278,8 +272,6 @@ err_venc:
  err_dispc:
  	dpi_exit();
  err_dpi:
-	rfbi_exit();
-err_rfbi:
  	dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK1 | DSS_CLK_54M);

  	return r;
@@ -296,7 +288,6 @@ static int omap_dss_remove(struct platform_device *pdev)
  	venc_exit();
  	dispc_exit();
  	dpi_exit();
-	rfbi_exit();
  	if (cpu_is_omap34xx()) {
  		dsi_exit();
  		sdi_exit();
@@ -357,11 +348,21 @@ static int omap_dsi1hw_remove(struct platform_device *pdev)
  /* RFBI HW IP initialisation */
  static int omap_rfbihw_probe(struct platform_device *pdev)
  {
-	return 0;
+	int r;
+	dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK1 | DSS_CLK_54M);
+	r = rfbi_init();
+	if (r) {
+		DSSERR("Failed to initialize rfbi\n");
+		goto err_rfbi;
+	}
+err_rfbi:
+	dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK1 | DSS_CLK_54M);
+	return r;

There is probably something wrong in this sequence? The same thing is done whatever the return state (except the error log). You should probably return 0 and not disable the clocks if the rfbi_init is successful.

Benoit
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