linux-kernel - [PATCH 03/40] abx500-chargalg: Store the AB8500 MFD parent device for platform differentiation

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Message-Id: <1360932310-30065-4-git-send-email-lee.jones@linaro.org>
Date:	Fri, 15 Feb 2013 12:44:33 +0000
From:	Lee Jones <lee.jones@...aro.org>
To:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:	arnd@...db.de, linus.walleij@...ricsson.com,
	cbouatmailru@...il.com, sameo@...ux.intel.com,
	Lee Jones <lee.jones@...aro.org>
Subject: [PATCH 03/40] abx500-chargalg: Store the AB8500 MFD parent device for platform differentiation

Any platform can be dynamically probed for model and version number
provided the AB8500 MFD parent device pointer is available. This
patch obtains that pointer and stores it in a locally controlled
struct for later use.

Signed-off-by: Lee Jones <lee.jones@...aro.org>
---
 drivers/power/abx500_chargalg.c |    5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/power/abx500_chargalg.c b/drivers/power/abx500_chargalg.c
index f043c08..31507bf 100644
--- a/drivers/power/abx500_chargalg.c
+++ b/drivers/power/abx500_chargalg.c
@@ -204,6 +204,7 @@ enum maxim_ret {
  * @batt_data:		data of the battery
  * @susp_status:	current charger suspension status
  * @bm:           	Platform specific battery management information
+ * @parent:		pointer to the struct abx500
  * @chargalg_psy:	structure that holds the battery properties exposed by
  *			the charging algorithm
  * @events:		structure for information about events triggered
@@ -227,6 +228,7 @@ struct abx500_chargalg {
 	struct abx500_chargalg_charger_info chg_info;
 	struct abx500_chargalg_battery_data batt_data;
 	struct abx500_chargalg_suspension_status susp_status;
+	struct ab8500 *parent;
 	struct abx500_bm_data *bm;
 	struct power_supply chargalg_psy;
 	struct ux500_charger *ac_chg;
@@ -1873,8 +1875,9 @@ static int abx500_chargalg_probe(struct platform_device *pdev)
 		}
 	}
 
-	/* get device struct */
+	/* get device struct and parent */
 	di->dev = &pdev->dev;
+	di->parent = dev_get_drvdata(pdev->dev.parent);
 
 	/* chargalg supply */
 	di->chargalg_psy.name = "abx500_chargalg";
-- 
1.7.10.4

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