* Tony Lindgren [off-list ref] [100930 12:07]:

* Micha? Miros?aw [off-list ref] [100930 11:57]:

quoted

2010/9/30 Tony Lindgren [off-list ref]:

quoted

* Cory Maccarrone [off-list ref] [100930 11:34]:

quoted

quoted

Looks like also board-sx1-mmc.c and board-h[23]-mmc.c have the
same spotty voltage range.
Cory, care to do a patch that fixes it for all of them?

Yeah, I can do that. ?I'll resubmit this patch too with the fixed up ranges.

Turns out I already did it :) Care to test/ack this one?

[...]

quoted

diff --git a/arch/arm/mach-omap1/board-sx1-mmc.c b/arch/arm/mach-omap1/board-sx1-mmc.c
index 5b33ae8..be5a365 100644
--- a/arch/arm/mach-omap1/board-sx1-mmc.c
+++ b/arch/arm/mach-omap1/board-sx1-mmc.c

@@ -44,7 +44,8 @@ static struct omap_mmc_platform_data mmc1_data = {

? ? ? ?.nr_slots ? ? ? ? ? ? ? ? ? ? ? = 1,
? ? ? ?.slots[0] ? ? ? = {
? ? ? ? ? ? ? ?.set_power ? ? ? ? ? ? ?= mmc_set_power,
- ? ? ? ? ? ? ? .ocr_mask ? ? ? ? ? ? ? = MMC_VDD_28_29 | MMC_VDD_30_31 |
+ ? ? ? ? ? ? ? .ocr_mask ? ? ? ? ? ? ? = MMC_VDD_28_29 | MMC_VDD_29_30 |
+ ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? MMC_VDD_30_31 | MMC_VDD_31_32 |
? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?MMC_VDD_32_33 | MMC_VDD_33_34,
? ? ? ? ? ? ? ?.name ? ? ? ? ? ? ? ? ? = "mmcblk",
? ? ? ?},

[...]

Al least this one seems wrong (haven't checked others) as the
mmc_set_power() ignores vdd parameter. This suggests that the board
supports only one particular voltage, not the whole range.

Hmm yeah good catch. With the external power it's board specific. 

Most likely they all support only 3.3V cards except for n8x0. Not changing
the n8x0 for what voltages it handles although it may be missing the
MMC_VDD_27_28 voltage. Here's the updated patch.

Regards,

Tony

From: Tony Lindgren <tony@atomide.com>
Subject: [PATCH] omap: Fix spotty MMC voltages

As noted by Micha? Miros?aw [off-list ref], the voltages should
cover the supported voltage range, or support only one voltage.

As all these boards are using a GPIO to enable the power, chances
are that only 3.3V cards are supported on these boards.

Reported-by: Micha? Miros?aw <redacted>
Signed-off-by: Tony Lindgren <tony@atomide.com>

diff --git a/arch/arm/mach-omap1/board-h2-mmc.c b/arch/arm/mach-omap1/board-h2-mmc.c
index b30c499..f2fc43d 100644
--- a/arch/arm/mach-omap1/board-h2-mmc.c
+++ b/arch/arm/mach-omap1/board-h2-mmc.c

@@ -58,8 +58,7 @@ static struct omap_mmc_platform_data mmc1_data = {
 	.dma_mask			= 0xffffffff,
 	.slots[0]       = {
 		.set_power              = mmc_set_power,
-		.ocr_mask               = MMC_VDD_28_29 | MMC_VDD_30_31 |
-					  MMC_VDD_32_33 | MMC_VDD_33_34,
+		.ocr_mask               = MMC_VDD_32_33 | MMC_VDD_33_34,
 		.name                   = "mmcblk",
 	},
 };

diff --git a/arch/arm/mach-omap1/board-h3-mmc.c b/arch/arm/mach-omap1/board-h3-mmc.c
index 54b0f06..2098525 100644
--- a/arch/arm/mach-omap1/board-h3-mmc.c
+++ b/arch/arm/mach-omap1/board-h3-mmc.c

@@ -40,8 +40,7 @@ static struct omap_mmc_platform_data mmc1_data = {
 	.dma_mask			= 0xffffffff,
 	.slots[0]       = {
 		.set_power              = mmc_set_power,
-		.ocr_mask               = MMC_VDD_28_29 | MMC_VDD_30_31 |
-					  MMC_VDD_32_33 | MMC_VDD_33_34,
+		.ocr_mask               = MMC_VDD_32_33 | MMC_VDD_33_34,
 		.name                   = "mmcblk",
 	},
 };

diff --git a/arch/arm/mach-omap1/board-htcherald.c b/arch/arm/mach-omap1/board-htcherald.c
index 7ea75c1..88c97e2 100644
--- a/arch/arm/mach-omap1/board-htcherald.c
+++ b/arch/arm/mach-omap1/board-htcherald.c

@@ -410,8 +410,7 @@ static struct omap_mmc_platform_data htc_mmc1_data = {
 	.nr_slots                       = 1,
 	.switch_slot                    = NULL,
 	.slots[0]       = {
-		.ocr_mask               = MMC_VDD_28_29 | MMC_VDD_30_31 |
-					  MMC_VDD_32_33 | MMC_VDD_33_34,
+		.ocr_mask               = MMC_VDD_32_33 | MMC_VDD_33_34,
 		.name                   = "mmcblk",
 		.nomux                  = 1,
 		.wires                  = 4,

diff --git a/arch/arm/mach-omap1/board-sx1-mmc.c b/arch/arm/mach-omap1/board-sx1-mmc.c
index 5b33ae8..e8ddd86 100644
--- a/arch/arm/mach-omap1/board-sx1-mmc.c
+++ b/arch/arm/mach-omap1/board-sx1-mmc.c

@@ -44,8 +44,7 @@ static struct omap_mmc_platform_data mmc1_data = {
 	.nr_slots                       = 1,
 	.slots[0]       = {
 		.set_power              = mmc_set_power,
-		.ocr_mask               = MMC_VDD_28_29 | MMC_VDD_30_31 |
-					  MMC_VDD_32_33 | MMC_VDD_33_34,
+		.ocr_mask               = MMC_VDD_32_33 | MMC_VDD_33_34,
 		.name                   = "mmcblk",
 	},
 };