Re: [PATCH v2 6/7] omap: mailbox: fix detection for previously supported chips

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On 11/5/2010 9:17 PM, Ramirez Luna, Omar wrote:
Fix the mailbox detection for OMAP3630 and 2430, also minor
cleanup on conditional ifdef's that could affect it.

Given that 2430 has an iva too include it, as the same steps
for omap3 apply.

Signed-off-by: Omar Ramirez Luna<omar.ramirez@xxxxxx>
---
  arch/arm/mach-omap2/mailbox.c |   16 ++++++++++------
  1 files changed, 10 insertions(+), 6 deletions(-)

diff --git a/arch/arm/mach-omap2/mailbox.c b/arch/arm/mach-omap2/mailbox.c
index bf598a3..5e9ea0f 100644
--- a/arch/arm/mach-omap2/mailbox.c
+++ b/arch/arm/mach-omap2/mailbox.c
@@ -276,7 +276,7 @@ static struct omap_mbox_ops omap2_mbox_ops = {

  /* FIXME: the following structs should be filled automatically by the user id */

-#if defined(CONFIG_ARCH_OMAP3430) || defined(CONFIG_ARCH_OMAP2420)
+#if defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_ARCH_OMAP2)
  /* DSP */
  static struct omap_mbox2_priv omap2_mbox_dsp_priv = {
  	.tx_fifo = {
@@ -301,7 +301,7 @@ struct omap_mbox mbox_dsp_info = {
  };
  #endif

-#if defined(CONFIG_ARCH_OMAP3430)
+#if defined(CONFIG_ARCH_OMAP3)

Ideally you should get rid of all the CONFIG_ARCH_OMAPXXX or cpu_is_omap in that code. This is a driver, it should be generic. If you have to handle differences between OMAP version, please do that in the devices, not in the driver.

This patch just contains a few of them, but the original mailbox.c file is full of that kind of test. I know that you are not the original writer of this code, but since the clean it, it will be good to remove all the legacy code.

Thanks,
Benoit

  struct omap_mbox *omap3_mboxes[] = {&mbox_dsp_info, NULL };
  #endif

@@ -389,15 +389,19 @@ static int __devinit omap2_mbox_probe(struct platform_device *pdev)

  	if (false)
  		;
-#if defined(CONFIG_ARCH_OMAP3430)
-	else if (cpu_is_omap3430()) {
+#if defined(CONFIG_ARCH_OMAP3)
+	else if (cpu_is_omap34xx()) {
  		list = omap3_mboxes;

  		list[0]->irq = platform_get_irq_byname(pdev, "dsp");
  	}
  #endif
-#if defined(CONFIG_ARCH_OMAP2420)
-	else if (cpu_is_omap2420()) {
+#if defined(CONFIG_ARCH_OMAP2)
+	else if (cpu_is_omap2430()) {
+		list = omap2_mboxes;
+
+		list[0]->irq = platform_get_irq_byname(pdev, "dsp");
+	} else if (cpu_is_omap2420()) {
  		list = omap2_mboxes;

  		list[0]->irq = platform_get_irq_byname(pdev, "dsp");

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