[U-Boot] [PATCH] pmic: Fix pfuze100 bit definitions

[Peng Fan]

On Thu, Nov 26, 2015 at 02:35:28AM +0100, Marek Vasut wrote:
>On Thursday, November 26, 2015 at 02:27:01 AM, Peng Fan wrote:
>> Hi Marek,
>> 
>> On Thu, Nov 26, 2015 at 12:15:44AM +0100, Marek Vasut wrote:
>> >The following patch changed the PFUZE100 swbst register bit definitions
>> >and broke PMIC configuration on multiple boards, at least on the novena
>> >and gw_ventana. This patch fixes it.
>> >
>> >commit 8fa46350a4c7dca7710362f6c871098557b934ad
>> >Author: Peng Fan <Peng.Fan at freescale.com>
>> >Date:   Fri Aug 7 16:43:45 2015 +0800
>> >
>> >    power: regulator: add pfuze100 support
>> >
>> >Signed-off-by: Marek Vasut <marex at denx.de>
>> >Cc: Fabio Estevam <fabio.estevam at freescale.com>
>> >Cc: Peng Fan <Peng.Fan at freescale.com>
>> >Cc: Przemyslaw Marczak <p.marczak at samsung.com>
>> >Cc: Tim Harvey <tharvey at gateworks.com>
>> >Cc: Vagrant Cascadian <vagrant at aikidev.net>
>> >---
>> >
>> > include/power/pfuze100_pmic.h | 8 ++++----
>> > 1 file changed, 4 insertions(+), 4 deletions(-)
>> >
>> >diff --git a/include/power/pfuze100_pmic.h b/include/power/pfuze100_pmic.h
>> >index 41cb710..cc019a9 100644
>> >--- a/include/power/pfuze100_pmic.h
>> >+++ b/include/power/pfuze100_pmic.h
>> >@@ -215,10 +215,10 @@ enum {
>> >
>> > #define SWBST_VOL_MASK	0x3
>> > #define SWBST_MODE_MASK	0xC
>> > #define SWBST_MODE_SHIFT 0x2
>> >
>> >-#define SWBST_MODE_OFF	0
>> >-#define SWBST_MODE_PFM	1
>> >-#define SWBST_MODE_AUTO	2
>> >-#define SWBST_MODE_APS	3
>> >+#define SWBST_MODE_OFF	(0 << 2)
>> >+#define SWBST_MODE_PFM	(1 << 2)
>> >+#define SWBST_MODE_AUTO	(2 << 2)
>> >+#define SWBST_MODE_APS	(3 << 2)
>> 
>> Can we use "(SWBST_MODE_AUTO << SWBST_MODE_SHIFT)" in the board code,
>> but not revert this?
>
>I undid the breakage introduced by the aforementioned patch. If you want to 
>update all the boards which use these macros and then drop the bitshift, patch
>is welcome, but that's beyond the scope of this fix.

Hmm. My original patch is that bit shift not included into "mode", the user need
to do bitshift by itself. I'll check the pfuze100_regulator driver.

If "mode" needs to include the bit shift, then patch is ok and 
Reviewed-by: Peng Fan <Peng.Fan at freescale.com>

Regards,
Peng.

>
>Best regards,
>Marek Vasut

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