linux-kernel - [PATCH 01/13] MFD: twl-core: Register twl4030-madc child only for twl4030 class

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Date:	Tue, 13 Nov 2012 09:28:42 +0100
From:	Peter Ujfalusi <peter.ujfalusi@...com>
To:	Samuel Ortiz <sameo@...ux.intel.com>
CC:	Tero Kristo <t-kristo@...com>, <linux-omap@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>
Subject: [PATCH 01/13] MFD: twl-core: Register twl4030-madc child only for twl4030 class

twl4030-madc driver can only handle twl4030 class MADC. The newer revisions
of twl does not have MADC, instead they have different IP called GPADC which
is not backward compatible.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@...com>
---
 drivers/mfd/twl-core.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/mfd/twl-core.c b/drivers/mfd/twl-core.c
index a071a86..d7577cb 100644
--- a/drivers/mfd/twl-core.c
+++ b/drivers/mfd/twl-core.c
@@ -646,7 +646,8 @@ add_children(struct twl4030_platform_data *pdata, unsigned irq_base,
 			return PTR_ERR(child);
 	}
 
-	if (IS_ENABLED(CONFIG_TWL4030_MADC) && pdata->madc) {
+	if (IS_ENABLED(CONFIG_TWL4030_MADC) && pdata->madc &&
+	    twl_class_is_4030()) {
 		child = add_child(2, "twl4030_madc",
 				pdata->madc, sizeof(*pdata->madc),
 				true, irq_base + MADC_INTR_OFFSET, 0);
-- 
1.8.0

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