[PATCH 5/6] mfd: twl4030-power: Add support for board specific configuration
From: tony@atomide.com (Tony Lindgren)
Date: 2014-05-27 18:08:59
Also in:
linux-devicetree, linux-omap
Subsystem:
multifunction devices (mfd), omap2+ support, the rest · Maintainers:
Lee Jones, Aaro Koskinen, Andreas Kemnade, Kevin Hilman, Roger Quadros, Tony Lindgren, Linus Torvalds
With the recommended twl4030 configuration added, we can now add board specific changes as modifications to the recommended configuration. Note that the data is private to this driver, and the data must always have a NULL resource in the sentinel. Cc: Peter De Schrijver <redacted> Cc: Samuel Ortiz <redacted> Acked-by: Lee Jones <redacted> Signed-off-by: Tony Lindgren <tony@atomide.com> --- drivers/mfd/twl4030-power.c | 21 +++++++++++++++++++++ include/linux/i2c/twl.h | 1 + 2 files changed, 22 insertions(+)
diff --git a/drivers/mfd/twl4030-power.c b/drivers/mfd/twl4030-power.c
index 2bfbb40..4846c7b 100644
--- a/drivers/mfd/twl4030-power.c
+++ b/drivers/mfd/twl4030-power.c@@ -567,13 +567,34 @@ twl4030_power_configure_scripts(const struct twl4030_power_data *pdata) return 0; } +static void twl4030_patch_rconfig(struct twl4030_resconfig *common, + struct twl4030_resconfig *board) +{ + while (common->resource) { + struct twl4030_resconfig *b = board; + + while (b->resource) { + if (b->resource == common->resource) { + *common = *b; + break; + } + b++; + } + common++; + } +} + static int twl4030_power_configure_resources(const struct twl4030_power_data *pdata) { struct twl4030_resconfig *resconfig = pdata->resource_config; + struct twl4030_resconfig *boardconf = pdata->board_config; int err; if (resconfig) { + if (boardconf) + twl4030_patch_rconfig(resconfig, boardconf); + while (resconfig->resource) { err = twl4030_configure_resource(resconfig); if (err)
diff --git a/include/linux/i2c/twl.h b/include/linux/i2c/twl.h
index 5fe0313..57fe782 100644
--- a/include/linux/i2c/twl.h
+++ b/include/linux/i2c/twl.h@@ -662,6 +662,7 @@ struct twl4030_power_data { struct twl4030_script **scripts; unsigned num; struct twl4030_resconfig *resource_config; + struct twl4030_resconfig *board_config; #define TWL4030_RESCONFIG_UNDEF ((u8)-1) bool use_poweroff; /* Board is wired for TWL poweroff */ };
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1.8.1.1